10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-K

x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2011

OR

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                     to                    

Commission File Number: 001-34177

DISCOVERY COMMUNICATIONS, INC.

(Exact name of Registrant as specified in its charter)

Delaware	35-2333914
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
One Discovery Place Silver Spring, Maryland	20910
(Address of principal executive offices)	(Zip Code)

(240) 662-2000

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class	Name of Each Exchange on Which Registered
Series A Common Stock, par value $0.01 per share	The NASDAQ Global Select Market
Series B Common Stock, par value $0.01 per share	The NASDAQ Global Select Market
Series C Common Stock, par value $0.01 per share	The NASDAQ Global Select Market

Securities registered pursuant to Section 12(g) of the Act:

None

Indicate by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    Yes  x    No  ¨

Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.    Yes  ¨    No  x

Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  x    No  ¨

Indicate by check mark whether the Registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the Registrant was required to submit and post such files).    Yes  x    No  ¨

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein, and will not be contained, to the best of Registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.  ¨

Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer	x	Accelerated filer	¨
Non-accelerated filer	¨  (Do not check if a smaller reporting company)	Smaller reporting company	¨

Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  x

The aggregate market value of voting and non-voting common stock held by non-affiliates of the Registrant computed by reference to the last sales price of such stock, as of the last business day of the Registrant’s most recently completed second fiscal quarter, which was June 30, 2011, was approximately $10 billion.

Total number of shares outstanding of each class of the Registrant’s common stock as of February 10, 2012 was:

Series A Common Stock, par value $0.01 per share	142,516,019
Series B Common Stock, par value $0.01 per share	6,570,067
Series C Common Stock, par value $0.01 per share	109,426,484

DOCUMENTS INCORPORATED BY REFERENCE

Certain information required in Item 10 through Item 14 of Part III of this Annual Report on Form 10-K is incorporated herein by reference to the Registrant’s definitive Proxy Statement for its 2011 Annual Meeting of Stockholders, which shall be filed with the Securities and Exchange Commission pursuant to Regulation 14A of the Securities Exchange Act of 1934, as amended, within 120 days of the Registrant’s fiscal year end.

DISCOVERY COMMUNICATIONS, INC.

FORM 10-K

TABLE OF CONTENTS

		Page
PART I			3
ITEM 1.	Business.		3
ITEM 1A.	Risk Factors.		11
ITEM 1B.	Unresolved Staff Comments.		18
ITEM 2.	Properties.		18
ITEM 3.	Legal Proceedings.		18
ITEM 4.	Mine Safety Disclosures.		18
PART II			20
ITEM 5.	Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.		20
ITEM 6.	Selected Financial Data.		22
ITEM 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations.		25
ITEM 7A.	Quantitative and Qualitative Disclosures About Market Risk.		50
ITEM 8.	Financial Statements and Supplementary Data.		51
ITEM 9.	Changes in and Disagreements With Accountants on Accounting and Financial Disclosure.		107
ITEM 9A.	Controls and Procedures.		107
ITEM 9B.	Other Information.		107
PART III			108
ITEM 10.	Directors, Executive Officers and Corporate Governance.		108
ITEM 11.	Executive Compensation.		108
ITEM 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters.		108
ITEM 13.	Certain Relationships and Related Transactions, and Director Independence.		108
ITEM 14.	Principal Accountant Fees and Services.		108
PART IV			109
ITEM 15.	Exhibits and Financial Statement Schedules.		109
SIGNATURES			113

PART I

ITEM 1. Business.

For convenience, the terms “Discovery,” “DCI,” the “Company,” “we,” “us” or “our” are used in this Annual Report on Form 10-K to refer to both Discovery Communications, Inc. and collectively to Discovery Communications, Inc. and one or more of its consolidated subsidiaries, unless the context otherwise requires.

OVERVIEW

We are a global nonfiction media and entertainment company that provides programming across multiple distribution platforms throughout the world. We also have a diversified portfolio of websites and other digital media services, develop and sell curriculum-based education products and services, and provide postproduction audio services. We were formed on September 17, 2008 as a Delaware corporation in connection with Discovery Holding Company (“DHC”) and Advance/Newhouse Programming Partnership (“Advance/Newhouse”) combining their respective ownership interests in Discovery Communications Holding, LLC (“DCH”) and exchanging those interests with and into Discovery (the “Discovery Formation”). DCH owned and operated various television networks, website properties and other digital media services throughout the world and sold curriculum-based education products and services. As a result of the Discovery Formation, DHC and DCH became wholly-owned subsidiaries of Discovery, with Discovery becoming the successor reporting entity to DHC.

As one of the world’s largest nonfiction media companies, we provide original and purchased programming to more than 1.7 billion cumulative subscribers worldwide through networks that we wholly or partially own. Our global portfolio of networks includes prominent television brands such as Discovery Channel, one of the first nonfiction networks and our most widely distributed global brand, TLC and Animal Planet.

Our content spans genres including science, exploration, survival, natural history, sustainability of the environment, technology, docu-series, anthropology, paleontology, history, space, archaeology, health and wellness, engineering, adventure, lifestyles, forensics, civilizations and current events. Our programming tends to maintain its relevance for an extended period of time. As a result, a significant amount of our content translates well across international borders and is made even more accessible through extensive use of dubbing and subtitles in local languages. We also create local programming tailored to individual market preferences.

We have an extensive library of content and own all or most rights to the majority of our programming and footage, which enables us to exploit our library to launch new brands and services into new markets quickly. Our programming can be re-edited and updated in a cost-effective manner to provide topical versions of subject matter that can be utilized around the world. Substantially all of our programming is produced in high definition (“HD”) format.

Financial information for our segments and geographical areas in which we do business is set forth in Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and Note 21, to the consolidated financial statements included in Item 8, “Financial Statements and Supplementary Data” in this Annual Report on Form 10-K.

Subscriber statistics set forth in this Annual Report on Form 10-K include both wholly-owned networks and networks operated by equity method investees. Domestic subscriber statistics are based on Nielsen Media Research. International subscriber statistics are derived from internal data coupled with external sources when available. As used herein, a “subscriber” is a single household that receives the applicable network from its cable television operator, direct-to-home (“DTH”) satellite operator, or other television provider, including those who receive our networks from pay-television providers without charge pursuant to various pricing plans that include free periods and/or free carriage. The term “cumulative subscribers” refers to the collective sum of the total number of subscribers to each of our networks or programming services. By way of example, two households that each receives five of our networks from their television provider represent two subscribers, but 10 cumulative subscribers.

U.S. NETWORKS

Our U.S. Networks segment principally consists of national television networks. U.S. Networks generates revenues from fees charged to operators who distribute our network content, which include cable and DTH satellite service providers and digital distributors, and from advertising sold on our television networks and other arrangements. Our U.S. Networks segment also generates income to offset expenses associated with providing sales representation and network services to equity method investee networks and the licensing of our brands for consumer products. Our U.S. Networks segment wholly owns and operates nine national television networks, including fully distributed television networks, Discovery Channel, TLC and Animal Planet. In addition, this segment holds our interests in OWN, The Hub and 3net, which are operated by equity method investees. We account for our interests in the underlying ventures using the equity method and fees for services provided to them are recorded as other revenue.

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Our U.S. Networks segment owns and operates the following television networks:

	Discovery Channel
	•      Discovery Channel reached approximately 100 million subscribers in the U.S. as of December 31, 2011. Discovery Channel also reached 8 million subscribers through a licensing arrangement with partners in Canada as of December 31, 2011.
	•      Discovery Channel is dedicated to providing nonfiction content that informs and entertains viewers about the wonder and diversity of the world. The network offers a mix of genres, including science and technology, exploration, adventure, history and in-depth, behind-the-scenes glimpses at the people, places and organizations that shape and share our world.
	•      Programming highlights on Discovery Channel include Deadliest Catch, Mythbusters, Dirty Jobs and Gold Rush. Discovery Channel is also home to specials and mini-series such as Frozen Planet (premiering March 18, 2012).
	•      Target viewers are adults ages 25-54, particularly men.
	•      Discovery Channel is simulcast in HD.

	TLC
	•      TLC reached approximately 99 million subscribers in the U.S. as of December 31, 2011. TLC also reached approximately 8 million subscribers in Canada as of December 31, 2011, according to internal data.
	•      TLC features docu-series and reality-based programming about people.
	•      Programming highlights on TLC include Cake Boss, Little Couple, What Not to Wear, Police Women, Say Yes to the Dress, Sister Wives and 19 Kids and Counting.
	•      Target viewers are adults ages 18-54, particularly women.
	•      TLC is simulcast in HD.

	Animal Planet
	•      Animal Planet reached approximately 97 million subscribers in the U.S. as of December 31, 2011. Animal Planet also reaches 2 million subscribers through a licensing arrangement with partners in Canada as of December 31, 2011.
	•      Animal Planet provides a full range of programming related to life in the animal kingdom and human interaction with animals.
	•      Programming highlights on Animal Planet include River Monsters, Finding Bigfoot, Whale Wars, I Shouldn’t be Alive, Fatal Attractions, Pit Bulls and Parolees and It’s Me or the Dog.
	•      Target viewers are adults ages 25-54.
	•      Animal Planet is simulcast in HD.

	Investigation Discovery
	•      Investigation Discovery reached approximately 79 million subscribers in the U.S. as of December 31, 2011.
	•      Investigation Discovery offers programming that focuses on mysteries and true stories through in-depth series and documentaries that deliver insight into the human condition and the real world of investigations, piecing together the dramatic puzzles of human nature.
	•      Programming highlights on Investigation Discovery include On the Case with Paula Zahn, Disappeared, I (Almost) Got Away With It, Who The (Bleep) Did I Marry?, Unusual Suspects, I Married a Mobster and Nightmare Next Door.
	•      Target viewers are adults ages 25-54.
	•      Investigation Discovery is simulcast in HD.

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	SCIENCE
	•      SCIENCE reached approximately 69 million subscribers in the U.S. as of December 31, 2011.
	•      SCIENCE provides programming that explores the possibilities of science, from string theory and futuristic cities to accidental discoveries and outrageous inventions.
	•      Programming highlights on SCIENCE include Through the Wormhole with Morgan Freeman, An Idiot Abroad, Wonders of the Universe, How It’s Made, Sci Fi Science, Oddities and Punkin Chunkin.
	•      Target viewers are adults ages 25-54.
	•      SCIENCE is simulcast in HD.

	Military Channel
	•      Military Channel reached approximately 60 million subscribers in the U.S. as of December 31, 2011. Military Channel also reached approximately 1 million subscribers in Canada, according to internal data as of December 31, 2011.
	•      Military Channel brings viewers real-world stories of heroism, military strategy, battlefield maneuvers, technological breakthroughs, aviation and turning points in history through the personal stories of servicemen and women.
	•      Programming highlights on Military Channel include Future Weapons, Showdown: Air Combat, An Officer and a Movie, Greatest Tank Battles and Science of the Elite Soldier.
	•      Target viewers are men ages 35-64.

	Planet Green
	•      Planet Green reached approximately 58 million subscribers in the U.S. as of December 31, 2011.
	•      Planet Green targets viewers who like to discover something new, championing the innovators and mavericks who are transforming the way we view the world.
	•      Programming highlights on Planet Green include series and specials that inform, entertain and inspire viewers.
	•      Target viewers are adults ages 18-54.
	•      Planet Green is simulcast in HD.

	Discovery Fit & Health
	•      Rebranded from FitTV as of February 1, 2011, Discovery Fit & Health reached approximately 49 million subscribers in the U.S. as of December 31, 2011.
	•      Discovery Fit & Health programming includes forensic mysteries, medical stories, emergency room trauma dramas, baby and pregnancy programming, parenting challenges, and stories of extreme life conditions.
	•      Programming includes Dr. G: Medical Examiner, I’m Pregnant And…, Untold Stories of the ER, I Didn’t Know I Was Pregnant and Gilad’s Bodies in Motion.
	•      Target viewers are adults ages 25-54.

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	Velocity
	•      Rebranded from HD Theater as of October 4, 2011, Velocity reached approximately 40 million subscribers in the U.S. as of December 31, 2011.
	•      Velocity showcases premier high definition real world programming in the automotive, sports and leisure, adventure, lifestyle and travel genres, including live auctions, world rally championships, and historical and biographical series.
	•      Programming highlights on Velocity include Inside West Coast Customs, Mecum Auto Auctions, Café Racer and Chasing Classic Cars.
	•      Target viewers are adults ages 25-54, particularly men.
Our U.S. Networks segment owns interests in the following television networks that are operated by equity method investees:
	OWN: Oprah Winfrey Network
	•      OWN: Oprah Winfrey Network (formerly Discovery Health) debuted on January 1, 2011, and reached approximately 77 million subscribers in the U.S. as of December 31, 2011.
	•      OWN is a multi-platform venture, including the OWN television network and Oprah.com, designed to entertain, inform and inspire people to live their best lives.
	•      Programming highlights on OWN include Oprah’s Life Class, The Rosie Show, Our America with Lisa Ling, Oprah’s Master Class, Welcome to Sweetie Pie’s and Oprah’s Next Chapter.
	•      Target viewers are adults 25-54, particularly women.
	•      OWN is simulcast in HD.
	The Hub
	•      The Hub reached approximately 62 million subscribers in the U.S. as of December 31, 2011.
	•      The Hub features original programming, game shows and live-action series and specials focused on children and their families, including content drawn from Hasbro’s portfolio of entertainment and educational properties, content from Discovery’s extensive library of award-winning children’s educational programming, and third-party acquisitions.
	•      Programming highlights on The Hub include Transformers Prime, R.L. Stine’s The Haunting Hour: The Series, My Little Pony Friendship is Magic, Pound Puppies and Family Game Night.
	•      Target viewers are children ages 2-11 and families.
	•      The Hub is simulcast in HD.
	3net
	•      3net launched on February 13, 2011, and was available to all DIRECTV subscribers in the U.S. with 3D capable television sets as of December 31, 2011.
	•      3net, the first fully programmed 24/7 3D television network in the U.S., features an extensive library of 3D content in genres including natural history, documentary, action/adventure, travel, history, kids and family, hyper-reality, lifestyle and cuisine, concerts, movies, and scripted series.
	•      Programming highlights on 3net include Scary Tales, Indy 500: The Inside Line, China Revealed, Fields of Valor: The Civil War, Cloudy with a Chance of Meatballs and Hubble 3D.
	•      Target viewers are adults 25-54.

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Our Digital Media business consists of our websites and mobile and video-on-demand (“VOD”) services. Our websites include network branded websites such as Discovery.com, TLC.com and AnimalPlanet.com, and other websites such as HowStuffWorks.com, an online source of explanations of how the world actually works; Treehugger.com, a comprehensive source for “green” news, solutions and product information; and Petfinder.com, a leading pet adoption destination. Together, these websites attracted an average of 24 million cumulative unique monthly visitors, according to comScore, Inc. in 2011.

INTERNATIONAL NETWORKS

Our International Networks segment principally consists of national and pan-regional television networks. This segment generates revenues primarily from fees charged to operators who distribute our networks, which primarily include cable and DTH satellite service providers, and from advertising sold on our television networks and websites. Discovery Channel, Animal Planet and TLC lead the International Networks’ portfolio of television networks, which are distributed in virtually every pay-television market in the world through an infrastructure that includes operational centers in London, Singapore and Miami. International Networks has one of the largest international distribution platforms of networks with one to twelve networks in more than 200 countries and territories around the world. At December 31, 2011, International Networks operated over 150 unique distribution feeds in over 40 languages with channel feeds customized according to language needs and advertising sales opportunities.

Our International Networks segment owns and operates the following television networks which reached the following number of subscribers as of December 31, 2011:

Global Networks	International Subscribers (millions)		Regional Networks	International Subscribers (millions)
Discovery Channel		213	DMAX		47
Animal Planet		166	Discovery Kids		37
TLC, Real Time and Travel & Living		150	Liv		29
Discovery Science		66	Quest		23
Discovery Home & Health		48	Discovery History		13
Turbo		37	Shed		12
Discovery World		27	Discovery en Espanol (U.S.)		5
Investigation Discovery		23	Discovery Famillia (U.S.)		4
HD Services		17

EDUCATION AND OTHER

Our Education and Other segment primarily includes the sale of curriculum-based product and service offerings and postproduction audio services. This segment generates revenues primarily from subscriptions charged to K-12 schools for access to an online suite of curriculum-based VOD tools, professional development services, and to a lesser extent student assessment and publication of hardcopy curriculum-based content. Our education business also participates in corporate partnerships, global brand and content licensing business with leading non-profits, foundations and trade associations. Other businesses primarily include postproduction audio services that are provided to major motion picture studios, independent producers, broadcast networks, cable channels, advertising agencies, and interactive producers.

CONTENT DEVELOPMENT

Our content development strategy is designed to increase viewership, maintain innovation and quality leadership, and provide value for our network distributors and advertising customers. Substantially all content is sourced from a wide range of third-party producers, which includes some of the world’s leading nonfiction production companies with which we have developed long-standing relationships, as well as independent producers. Our production arrangements fall into three categories: produced, coproduced and licensed. Substantially all produced content includes programming which we engage third parties to develop and produce while we retain editorial control and own most or all of the rights in exchange for paying all development and production costs. Coproduced content refers to program rights acquired that we have collaborated with third parties to finance and develop. Coproduced programs are typically high-cost projects for which neither we nor our coproducers wish to bear the entire cost or productions in which the producer has already taken on an international broadcast partner. Licensed content is comprised of films or series that have been previously produced by third parties.

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International Networks maximizes the use of programming from our U.S. Networks. Much of our content tends to be culturally neutral and maintains its relevance for an extended period of time. As a result, a significant amount of our programming translates well across international borders and is made even more accessible through extensive use of dubbing and subtitles in local languages. Our programming can be re-edited and updated in a cost-effective manner to provide topical versions of subject matter that can be utilized around the world. We also develop local programming that is tailored to individual market preferences, which is typically produced through third-party production companies.

REVENUES

We generate revenues principally from: (i) fees charged to operators who distribute our network content, which primarily include cable and DTH satellite service providers and digital distributors, (ii) advertising sold on our networks, websites and other digital media services, and (iii) other transactions, including curriculum-based products and services, affiliate and advertising sales representation services for third-party networks, content licenses, postproduction audio services, and the licensing of our brands for consumer products. No single customer represented more than 10% of our total consolidated revenues for 2011, 2010 or 2009.

Distribution

Distribution revenue includes fees charged for the right to view Discovery network branded content made available to customers through a variety of distribution platforms and viewing devices. The largest component of distribution revenue is comprised of fees charged to cable, DTH satellite and telecommunication service providers for distribution rights to Discovery’s television networks. Typically, Discovery’s television networks are aired pursuant to multi-year carriage agreements that generally provide for the level of carriage Discovery’s networks will receive, and if applicable, for scheduled graduated annual rate increases. Carriage of Discovery networks depends upon channel placement and package inclusion such as whether on more widely distributed, broader packages or lesser-distributed, specialized packages. Distribution revenue also includes fees charged for bulk content arrangements and other subscription services for episodic content. Distribution revenues are largely dependent on the number of subscribers that receive our networks or content and the quality and quantity of programming that Discovery provides.

As an incentive to obtain long-term distribution agreements for our newer networks, we have made cash payments to distributors to carry the network (“launch incentives”), provide the channel to the distributor for free for a predetermined length of time, or both. We have contracts with distributors representing most cable and satellite service providers around the world, including the largest operators in the U.S. and major international distributors. In the U.S., approximately 90% of distribution revenues come from the top 10 distributors, with whom we have agreements that expire at various times from 2012 through 2020. At the end of 2012, three of these distribution arrangements will expire and we intend to renew these agreements. Outside of the U.S., less than 50% of distribution revenue comes from the top 10 distributors. Distribution fees are typically collected ratably throughout the year.

Advertising

Our advertising revenues consist of consumer advertising, which is sold primarily on a national basis in the U.S. and on a pan-regional or local-language feed basis outside the U.S. Advertising contracts generally have terms of one year or less.

In the U.S., advertising revenues are a function of the size and demographics of the audience delivered, quantitative and qualitative characteristics of the audience of each network, the perceived quality of the network and of the particular programming, the brand appeal of the network and ratings as determined by third-party research companies such as Nielsen Media Research, as well as overall advertiser demand in the marketplace. We sell advertising time in both the upfront and scatter markets. In the upfront market, advertisers buy advertising time for the upcoming season, and by purchasing in advance, often receive discounted rates. In the scatter market, advertisers buy advertising time close to the time when the commercials will be run, and often pay a premium. The mix between the upfront and scatter markets is based upon a number of factors, such as pricing, demand for advertising time and economic conditions.

Outside the U.S. advertisers buy advertising time closer to the time when the commercials will be run. International television markets vary in their stages of development. Some, notably the U.K., are more advanced digital multi-channel television markets, while others remain in the analog environment with varying degrees of investment from operators in expanding channel capacity or converting to digital. Advertising revenues outside of the U.S. are dependent upon a number of factors, including the stage of development of pay television markets, the number of subscribers to our channels, viewership demographics, the popularity of our programming, and our ability to sell commercial time over a group of channels. In developing pay television markets, we expect

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advertising revenue growth will result from subscriber growth, our localization strategy, and the shift of advertising spending from broadcast to pay television. In relatively mature markets, such as Western Europe, the growth dynamic is changing. Increased market penetration and distribution are unlikely to drive rapid growth in those markets. Instead, growth in advertising sales would come from increasing viewership and advertising pricing on our existing pay television networks and launching new services, either in pay television or free television environments.

Revenues from advertising are subject to seasonality, market-based variations, and general economic conditions. Advertising revenue is typically highest in the second and fourth quarters. Revenues can also fluctuate due to the popularity of particular programs and viewership ratings. In some cases, advertising sales are subject to ratings guarantees that require us to provide additional advertising time if the guaranteed audience levels are not achieved.

We also generate revenues from the sale of advertising on our online properties. We sell advertising on our websites both on a stand-alone basis and as part of advertising packages with our television networks.

Other

Revenues for curriculum-based services are recognized ratably over the contract term. Revenues from postproduction audio services are recognized as services are provided.

COMPETITION

Television network programming is a highly competitive business in the U.S. and worldwide. We experience competition in the development and acquisition of content, for the distribution of our programming, for the selling of commercial time on our networks, and for viewers. Our networks compete with studios, television networks, and other forms of media such as DVDs and the internet for the acquisition of programming and creative talent such as writers, producers and directors. Our ability to produce and acquire popular programming is an important competitive factor for the distribution of our networks, attracting viewers and the sale of commercial time. Our success in securing popular programming and creative talent depends on various factors such as the number of competitors providing programming that targets the same genre and audience, the distribution of our networks, viewership, and the production, marketing and advertising support we provide.

Our networks compete with other television networks, including broadcast, cable and local, for the distribution of our programming and fees charged to cable television operators, DTH satellite service providers and other distributors that carry our network programming. Our ability to secure distribution agreements is necessary to ensure the effective distribution of network programming to our audiences. Our contractual agreements with distributors are renewed or renegotiated from time to time in the ordinary course of business. At the end of 2012, three of our largest U.S. distribution arrangements will expire and we intend to renew these agreements. Growth in the number of networks distributed, consolidation and other market conditions in the cable and satellite distribution industry, and other platforms may adversely affect our ability to obtain and maintain contractual terms for the distribution of our programming that are as favorable as those currently in place. The ability to secure distribution agreements is dependent upon the production, acquisition and packaging of original programming, viewership, the marketing and advertising support and incentives provided to distributors, and the prices charged for carriage.

Our networks and websites compete for the sale of advertising with other television networks, including broadcast, cable and local networks, online and mobile outlets, radio programming and print media. Our success in selling advertising is a function of the size and demographics of our viewers, quantitative and qualitative characteristics of the audience of each network, the perceived quality of the network and of the particular programming, the brand appeal of the network and ratings as determined by third-party research companies, prices charged for advertising and overall advertiser demand in the marketplace.

Our networks and websites also compete for their target audiences with all forms of programming and other media provided to viewers, including broadcast, cable and local networks, pay-per-view and VOD services, DVDs, online activities and other forms of news, information and entertainment.

Our education business also competes with other providers of curriculum-based products to schools. Our postproduction audio services business competes with other production and in-house sound companies.

INTELLECTUAL PROPERTY

Our intellectual property assets principally include copyrights in television programming, websites and other content, trademarks in brands, names and logos, domain names and licenses of intellectual property rights of various kinds.

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We are fundamentally a content company and the protection of our brands and content is of primary importance. To protect our intellectual property assets, we rely upon a combination of copyright, trademark, unfair competition, trade secret and Internet/domain name statutes and laws and contract provisions. However, there can be no assurance of the degree to which these measures will be successful. Moreover, effective intellectual property protection may be either unavailable or limited in certain foreign territories. Policing unauthorized use of our products and services and related intellectual property is often difficult. We seek to limit unauthorized use of our intellectual property through a combination of approaches. However, the steps taken to prevent the infringement by unauthorized third parties of our intellectual property may not work.

Third parties may challenge the validity or scope of our intellectual property from time to time, and such challenges could result in the limitation or loss of intellectual property rights. Irrespective of their validity, such claims may result in substantial costs and diversion of resources which could have an adverse effect on our operations. In addition, piracy, which encompasses both the theft of our signal and unauthorized use of our programming, including in the digital environment, continues to present a threat to revenues from products and services based on intellectual property.

REGULATORY MATTERS

Our businesses are subject to and affected by regulations of U.S. federal, state and local government authorities, and our international operations are subject to laws and regulations of local countries and international bodies such as the European Union. Programming networks, such as those owned by us, are regulated by the Federal Communications Commission (“FCC”) in certain respects if they are affiliated with a cable television distributor. Other FCC regulations, although imposed on cable television operators and satellite operators, affect programming networks indirectly. The rules, regulations, policies and procedures affecting our businesses are constantly subject to change. These descriptions are summary in nature and do not purport to describe all present and proposed laws and regulations affecting our businesses.

Program Access

The FCC’s program access rules prevent a satellite or cable programming vendor in which a cable operator has an “attributable” ownership interest under FCC rules from entering into exclusive contracts for programming with a distributor and from discriminating among competing multichannel video programming distributors (“MVPDs”), such as cable and satellite operators, in the rates, terms and conditions for the sale or delivery of programming. These rules also permit MVPDs to initiate complaints to the FCC against programming networks if an MVPD claims it is unable to obtain rights to carry the programming network on nondiscriminatory rates, terms or conditions.

“Must-Carry”/Retransmission Consent

The Cable Television Consumer Protection and Competition Act of 1992 (the “Act”) imposed “must-carry” regulations on cable systems, requiring them to carry the signals of most local broadcast television stations in their market. Direct broadcast satellite (“DBS”) systems are also subject to their own must-carry rules. The FCC’s implementation of “must-carry” obligations requires cable operators and DBS providers to give broadcasters preferential access to channel space. This reduces the amount of channel space that is available for carriage of our networks by cable operators and DBS providers. The Act also established retransmission consent, which refers to a broadcaster’s right to require consent from MVPDs, such as cable and satellite operators, before distributing its signal to their subscribers. Broadcasters have traditionally used the resulting leverage from demand for their must-have broadcast programming to obtain carriage for their affiliated networks. Increasingly, broadcasters are additionally seeking substantial monetary compensation for granting carriage rights for their must-have broadcast programming. Such increased financial demands on distributors reduce the programming funds available for independent programmers not affiliated with broadcasters, such as us.

Closed Captioning and Advertising Restrictions

Certain of our networks must provide closed-captioning of programming for the hearing impaired, our programming and websites intended primarily for children 12 years of age and under must comply with certain limits on advertising, and commercials embedded in our networks’ programming stream adhere to certain standards for ensuring that those commercials are not transmitted at louder volumes than our program material. In the future, the 21^st Century Communications and Video Accessibility Act of 2010 may require us to provide closed captioning on certain video programming that we offer on the Internet.

Obscenity Restrictions

Network distributors are prohibited from transmitting obscene programming, and our affiliation agreements generally require us to refrain from including such programming on our networks.

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Regulation of the Internet

We operate several websites which we use to distribute information about our programs and to offer consumers the opportunity to purchase consumer products and services. Internet services are now subject to regulation in the U.S. relating to the privacy and security of personally identifiable user information and acquisition of personal information from children under 13, including the federal Child Online Protection Act and the federal Controlling the Assault of Non-Solicited Pornography and Marketing Act. In addition, a majority of states have enacted laws that impose data security and security breach obligations. Additional federal and state laws and regulations may be adopted with respect to the Internet or other online services, covering such issues as user privacy, child safety, data security, advertising, pricing, content, copyrights and trademarks, access by persons with disabilities, distribution, taxation and characteristics and quality of products and services. In addition, to the extent we offer products and services to online consumers outside the U.S., the laws and regulations of foreign jurisdictions, including, without limitation, consumer protection, privacy, advertising, data retention, intellectual property, and content limitations, may impose additional compliance obligations on us.

EMPLOYEES

As of December 31, 2011, we had approximately 4,600 employees, including full-time and part-time employees of our wholly-owned subsidiaries and consolidated ventures. There were approximately 250 personnel at our postproduction audio services business subject to collective bargaining agreements. There are no active grievances, strikes or work stoppages and we believe our relations with our union and non-union employees are strong. We do not believe a dispute with employees subject to collective bargaining agreements would have a material adverse effect on our business.

AVAILABLE INFORMATION

All of our filings with the U.S. Securities and Exchange Commission (the “SEC”), including reports on Form 10-K, Form 10-Q and Form 8-K, and all amendments to such filings are available free of charge at the investor relations section of our website, www.discoverycommunications.com, as soon as reasonably practical after such material is filed with, or furnished to, the SEC. Our annual report, corporate governance guidelines, code of business conduct and ethics, audit committee charter, compensation committee charter, and nominating and corporate governance committee charter are also available on our website. In addition, we will provide a printed copy of any of these documents, free of charge, upon written request at: Investor Relations, Discovery Communications, Inc., 850 Third Avenue, 8th Floor, New York, NY 10022-7225. The information contained on our website is not part of this Annual Report on Form 10-K and is not incorporated by reference herein.

ITEM 1A. Risk Factors.

Investing in our securities involves risk. In addition to the other information contained in this report, you should consider the following risk factors before investing in our securities.

Our success is dependent upon U.S. and foreign audience acceptance of our programming and other entertainment content, which is difficult to predict.

The production and distribution of pay television programs and other entertainment content are inherently risky businesses because the revenue we derive and our ability to distribute our content depend primarily on consumer tastes and preferences that often change in unpredictable ways. Our success depends on our ability to consistently create and acquire content and programming that meet the changing preferences of viewers in general, viewers in special interest groups, viewers in specific demographic categories and viewers in various international marketplaces. The commercial success of our programming and other content also depends upon the quality and acceptance of competing programs and other content available in the applicable marketplace at the same time certain of our networks are new or are equity method investees. There is no assurance of audience acceptance of these new brands. Other factors, including the availability of alternative forms of entertainment and leisure time activities, general economic conditions, piracy, digital and on-demand distribution and growing competition for consumer discretionary spending may also affect the audience for our content. Audience sizes for our media networks are critical factors affecting both the volume and pricing of advertising revenue that we receive, and the extent of distribution and the license fees we receive under agreements with our distributors. Consequently, reduced public acceptance of our entertainment content may decrease our audience share and adversely affect our results of operations.

Changes in consumer behavior resulting from new technologies and distribution platforms may impact the performance of our businesses.

Our business is focused on television, and we face emerging competition from other providers of digital media, some of which have greater financial, marketing and other resources than we do. In particular, programming offered over the Internet has become more prevalent as the speed and quality of broadband networks have improved. Providers such as Hulu, Roku, Netflix, Apple TV,

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Amazon and Google TV are aggressively working to establish themselves as alternative providers of video services. These services and the growing availability of online content, coupled with an expanding market for connected devices and internet-connected televisions, may impact our traditional distribution methods for our services and content. Additionally, devices that allow users to view television programs on a time-shifted basis and technologies that enable users to fast-forward or skip programming have caused changes in consumer behavior that may affect the attractiveness of our offerings to advertisers and could therefore adversely affect our revenues. If we cannot ensure that our distribution methods and content are responsive to our target audiences, our business could be adversely affected.

The loss of key talent could disrupt our business and adversely affect our revenue.

Our business depends upon the continued efforts, abilities and expertise of our corporate and divisional executive teams and entertainment personalities. We employ or contract with entertainment personalities who may have loyal audiences. These individuals are important to audience endorsement of our programs and other content. There can be no assurance that these individuals will remain with us or retain their current audiences. If we fail to retain key individuals or if our entertainment personalities lose their current audience base, our operations could be adversely affected.

We operate in increasingly competitive industries.

The entertainment and media programming industries in which we operate are highly competitive. We compete with other programming networks for distribution, viewers, and advertising. We also compete for viewers with other forms of media entertainment, such as home video, movies, periodicals and online and mobile activities. In particular, websites and search engines have seen significant advertising growth, a portion of which is derived from traditional cable network and satellite advertisers. In addition, there has been consolidation in the media industry and our competitors include market participants with interests in multiple media businesses which are often vertically integrated. Our online businesses compete for users and advertising in the enormously broad and diverse market of free internet-delivered services. Our commerce business competes against a wide range of competitive retailers selling similar products. Our curriculum-based video business competes with other providers of education products to schools. If our distributors have to pay higher rates to holders of sports broadcasting rights, it might be difficult for us to negotiate higher rates for distribution of our networks. Our ability to compete successfully depends on a number of factors, including our ability to consistently supply high quality and popular content, access our niche viewership with appealing category-specific programming, adapt to new technologies and distribution platforms and achieve widespread distribution. There can be no assurance that we will be able to compete successfully in the future against existing or new competitors, or that increasing competition will not have a material adverse effect on our business, financial condition or results of operations.

Further consolidation among cable and satellite providers could adversely affect our revenue and profitability.

Consolidation among cable and satellite operators has given the largest operators considerable leverage in their relationships with programmers, including us. In the U.S., approximately 90% of our distribution revenues come from the top 10 distributors. We currently have agreements in place with the major U.S. cable and satellite operators which expire at various times beginning in 2012 through 2020. In addition, many of the international countries and territories in which we distribute our networks also have a small number of dominant distributors. Continued consolidation within the industry could further reduce the number of distributors available to carry our programming and increase the negotiating leverage of our distributors which could adversely affect our revenue. Not only could the Company experience a reduction in affiliate revenues, but in advertising revenues, which are also impacted by affiliate subscriber amounts.

The loss of our affiliation agreements, or renewals with less advantageous terms, could cause our revenue to decline.

Because our networks are licensed on a wholesale basis to distributors such as cable and satellite operators which in turn distribute them to consumers, we are dependent upon the maintenance of affiliation agreements with these operators. These affiliation agreements generally provide for the level of carriage our networks will receive, such as channel placement and programming package inclusion (widely distributed, broader programming packages compared to lesser distributed, specialized programming packages) and for payment of a license fee to us based on the number of subscribers that receive our networks. While the number of subscribers associated with our networks impacts our ability to generate advertising revenue, these per-subscriber payments also represent a significant portion of our revenue. Our affiliation agreements generally have a limited term which varies by market and distributor, and there can be no assurance that these affiliation agreements will be renewed in the future, or renewed on terms that are favorable to us. A reduction in the license fees that we receive per subscriber or in the number of subscribers for which we are paid, including as a result of a loss or reduction in carriage for our networks, could adversely affect our distribution revenue. Such a loss or reduction in carriage could also decrease the potential audience for our programs thereby adversely affecting our advertising revenue. At the end of 2012, three of these distribution arrangements will expire. Although we intend to renew these agreements, a failure to secure a renewal or a renewal on less favorable terms may have a material adverse effect on our results of operations and financial condition. In addition, our affiliation agreements are complex and individually negotiated. If we were to disagree with one of our counterparties on the interpretation of an affiliation agreement, our relationship with that counterparty could be damaged and our business could be negatively affected.

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Some terms of our agreements with distributors could be interpreted in a manner that could adversely affect distribution revenue payable to us under those agreements.

Some of our distribution agreements contain “most favored nation” clauses. These clauses typically provide that if we enter into an agreement with another distributor which contains certain more favorable terms, we must offer some of those terms to our existing distributors. We have entered into a number of distribution agreements with terms that differ in some respects from those contained in other agreements. While we believe that we have appropriately complied with the most favored nation clauses included in our distribution agreements, these agreements are complex and other parties could reach a different conclusion that, if correct, could have an adverse effect on our financial condition or results of operations.

We may pursue acquisitions and other strategic transactions to complement or expand our business that may not be successful and we may lose up to the entire value of our investment in these acquisitions and transactions.

Our success may depend on opportunities to buy other businesses or technologies that could complement, enhance or expand our current business or products or that might otherwise offer us growth opportunities. We may not be able to complete any transactions and these transactions, if executed, pose significant risks and could have a negative effect on our operations. Any transactions that we are able to identify and complete may involve a number of risks, including:

• the diversion of our management’s attention from our existing business to integrate the operations and personnel of the acquired or combined business or equity method investee;

• possible adverse effects on our operating results during the integration process;

• a high degree of risk involved in these transactions, which could become substantial over time, and higher exposure to significant financial losses if the underlying ventures are not successful; and

• our possible inability to achieve the intended objectives of the transaction.

In addition, we may not be able to successfully or profitably integrate, operate, maintain and manage our newly acquired operations or employees. We may not be able to maintain uniform standards, controls, procedures and policies, and this may lead to operational inefficiencies.

New acquisitions, equity method investments and other transactions may require the commitment of significant capital that would otherwise be directed to investments in our existing businesses or be distributed to shareholders.

The financial performance of our equity method investments may differ from current estimates used and impact the accounting treatment of certain items.

We have equity investments in certain entities and the accounting treatment applied for these investments varies depending on a number of factors, including, but not limited to, our percentage ownership and whether we have any influence or control over the relevant entity. Under certain accounting standards, any losses experienced by these entities could adversely impact our results of operations and the value of our investment. In addition, if these entities were to fail and cease operations, we may lose the entire value of our investment and the stream of any shared profits. Some of our ventures are newly formed networks, which may require significant funding before achieving profitability.

Our business could be adversely affected by any continuation or worsening of the current economic downturn.

We derive substantial revenues from the sale of advertising on our networks. Expenditures by advertisers tend to be cyclical, reflecting overall economic conditions, as well as budgeting and buying patterns. The current economic conditions and any continuation of these adverse conditions may adversely affect the economic prospects of advertisers and could alter current or prospective advertisers’ spending priorities. A decrease in advertising expenditures would have an adverse effect on our business. A decline in economic conditions usually impacts consumer discretionary spending. A reduction in consumer spending may impact pay television subscriptions, particularly to the more expensive digital service tiers, which could lead to a decrease in our distribution fees and may reduce the rates we can charge for advertising.

Substantial leverage and debt service obligations may adversely affect us.

As of December 31, 2011, we had approximately $4.2 billion of consolidated debt, including capital leases. Our substantial level of indebtedness increases the possibility that we may be unable to generate cash sufficient to pay when due the principal of, interest on, or other amounts due with respect to our indebtedness. In addition, we have the ability to draw down our revolving credit facility in the ordinary course, which would have the effect of increasing our indebtedness. We are also permitted, subject to certain restrictions under our existing indebtedness, to obtain additional long-term debt and working capital lines of credit to meet future financing needs. This would have the effect of increasing our total leverage.

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Our substantial leverage could have significant negative consequences on our financial condition and results of operations, including:

• impairing our ability to meet one or more of the financial ratio covenants contained in our debt agreements or to generate cash sufficient to pay interest or principal, which could result in an acceleration of some or all of our outstanding debt in the event that an uncured default occurs;

• increasing our vulnerability to general adverse economic and market conditions;

• limiting our ability to obtain additional debt or equity financing;

• requiring the dedication of a substantial portion of our cash flow from operations to service our debt, thereby reducing the amount of cash flow available for other purposes;

• requiring us to sell debt or equity securities or to sell some of our core assets, possibly on unfavorable terms, to meet payment obligations;

• limiting our flexibility in planning for, or reacting to, changes in our business and the markets in which we compete; and

• placing us at a possible competitive disadvantage with less leveraged competitors and competitors that may have better access to capital resources.

Restrictive covenants in the loan agreements for our revolving credit facility could adversely affect our business by limiting our flexibility.

The loan agreement for our revolving credit facility contains restrictive covenants, as well as requirements to comply with certain leverage and other financial maintenance tests. These covenants and requirements could limit our ability to take various actions, including incurring additional debt, guaranteeing indebtedness and engaging in various types of transactions, including mergers, acquisitions and sales of assets. These covenants could place us at a disadvantage compared to some of our competitors, who may have fewer restrictive covenants and may not be required to operate under these restrictions. Further, these covenants could have an adverse effect on our business by limiting our ability to take advantage of financing, mergers and acquisitions or other opportunities.

We are a holding company and could be unable in the future to obtain cash in amounts sufficient to service our financial obligations or meet our other commitments.

Our ability to meet our financial obligations and other contractual commitments will depend upon our ability to access cash. We are a holding company, and our sources of cash include our available cash balances, net cash from the operating activities of our subsidiaries, any dividends and interest we may receive from our investments, availability under any credit facilities that we may obtain in the future and proceeds from any asset sales we may undertake in the future. The ability of our operating subsidiaries, including Discovery Communications, LLC, to pay dividends or to make other payments or advances to us will depend on their individual operating results and any statutory, regulatory or contractual restrictions, including restrictions under our credit facility, to which they may be or may become subject. We are required to accrue and pay U.S. taxes to repatriate certain cash balances held by foreign corporations. However, we intend to permanently reinvest these funds outside of the U.S. and our current plans do not demonstrate a need to repatriate them to fund our U.S. operations.

Risks associated with our international operations could harm our financial condition.

Our networks are offered worldwide, and we are focused on expanding our international operations in key markets, some of which are emerging markets. Inherent economic risks of doing business in international markets include, among other things, changes in the economic environment, exchange controls, tariffs and other trade barriers, longer payment cycles, foreign taxation, corruption, and, in some markets, increased risk of political instability. As we continue to expand the provision of our products and services to international markets, these risks and uncertainties may harm our results of operations.

Furthermore, some foreign markets where we and our partners operate may be more adversely affected by current economic conditions than the United States. We also may incur substantial expense as a result of changes in the existing economic or political environment in the regions where we do business, including the imposition of new restrictions. Acts of terrorism or other hostilities, or other future financial, political, economic or other uncertainties, could lead to a reduction in revenue or loss of investment, which could adversely affect our business, financial condition or results of operations.

Fluctuations in foreign exchange rates could have an adverse effect on our results of operations.

We have significant operations in a number of foreign jurisdictions and certain of our operations are conducted in foreign currencies. The value of these currencies fluctuates relative to the U.S. dollar. As a result, we are exposed to exchange rate fluctuations, which could have an adverse effect on our results of operations in a given period or in specific markets.

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Financial market conditions may impede access to or increase the cost of financing our operations and investments.

The ongoing changes in U.S. and global financial and equity markets, including market disruptions and tightening of the credit markets, may make it more difficult for us to obtain financing for our operations or investments or increase the cost of obtaining financing. In addition, our borrowing costs can be affected by short and long-term debt ratings assigned by independent rating agencies which are based, in significant part, on our performance as measured by credit metrics such as interest coverage and leverage ratios. A low rating could increase our cost of borrowing or make it more difficult for us to obtain future financing.

Our business is subject to risks of adverse laws and regulations, both domestic and foreign.

Programming services like ours, and the distributors of our services, including cable operators, satellite operators and other MVPDs, are highly regulated by U.S. federal laws and regulations issued and administered by various federal agencies, including the FCC, as well as by state and local governments, in ways that affect the daily conduct of our video programming business. See the discussion under “Business – Regulatory Matters” above. The U.S. Congress, the FCC and the courts currently have under consideration, and may in the future adopt, new laws, regulations and policies regarding a wide variety of matters that could, directly or indirectly, affect the operations of our U.S. media properties or modify the terms under which we offer our services and operate. For example, any changes to the laws and regulations that govern the services or signals that are carried by cable television operators or our other distributors may result in less capacity for other programming services, such as our networks, which could adversely affect our revenue.

Similarly, the foreign jurisdictions in which our networks are offered have, in varying degrees, laws and regulations governing our businesses. Programming businesses are subject to regulation on a country-by-country basis. Changes in regulations imposed by foreign governments could also adversely affect our business, results of operations and ability to expand our operations beyond their current scope.

Piracy of our entertainment content, including digital piracy, may decrease revenue received from our programming and adversely affect our business and profitability.

The success of our business depends in part on our ability to maintain the intellectual property rights to our entertainment content. We are fundamentally a content company and piracy of our brands, DVDs, television networks and other programming, digital content and other intellectual property has the potential to significantly adversely affect us. Piracy is particularly prevalent in many parts of the world that lack copyright and other protections similar to existing law in the U.S. It is also made easier by technological advances allowing the conversion of programming into digital formats, which facilitates the creation, transmission and sharing of high quality unauthorized copies. Unauthorized distribution of copyrighted material over the Internet is a threat to copyright owners’ ability to protect and exploit their property. The proliferation of unauthorized use of our content may have an adverse effect on our business and profitability because it reduces the revenue that we potentially could receive from the legitimate sale and distribution of our content.

Our directors overlap with those of Liberty and certain related persons of Advance/Newhouse, which may lead to conflicting interests.

Our eleven-person board of directors includes two persons who are currently members of the board of directors of Liberty Media Corporation (“Liberty Media”), three persons who are currently members of the board of directors of Liberty Global, Inc. (“Liberty Global”), and two persons who are currently members of the board of directors of Liberty Interactive Corporation (“Liberty Interactive”), all of which include John C. Malone as Chairman of the boards of those companies. In addition, our board of directors includes three designees of Advance/Newhouse, including Robert J. Miron, who was the Chairman of Advance/Newhouse until December 31, 2010, and Steven A. Miron, the Chief Executive Officer of Advance/Newhouse. The Liberty entities and the parent company of Advance/Newhouse own interests in a range of media, communications and entertainment businesses. None of the Liberty entities own any interest in us. Mr. Malone beneficially owns stock of Liberty Media representing approximately 58% of the aggregate voting power of its outstanding stock, owns shares representing approximately 35% of the aggregate voting power of Liberty Global, owns shares representing approximately 32% of the aggregate voting power of Liberty Interactive, and owns shares representing approximately 22% of the aggregate voting power (other than with respect to the election of the common stock directors) of our outstanding stock. Mr. Malone controls approximately 30% of our aggregate voting power relating to the election of the eight common stock directors, assuming that the preferred stock awarded by Advance/Newhouse has not been converted into shares of our common stock. Those of our directors who are also directors of the Liberty entities own Liberty Media, Liberty Global or Liberty Interactive stock and stock incentives and own our stock and stock incentives. Advance/Newhouse will elect three directors annually for so long as it owns a specified minimum amount of our Series A convertible preferred stock, and two of its directors are its former Chairman, Robert J. Miron, and its Chief Executive Officer, Steven A. Miron. The Advance/Newhouse Series A convertible preferred stock, which votes with our common stock on all matters other than the election of directors, represents approximately 25% of the voting power of our outstanding shares. The Series A convertible preferred stock also grants Advance/Newhouse consent rights over a range of our corporate actions, including fundamental changes to our business, the issuance of additional capital stock, mergers and business combinations and certain acquisitions and dispositions. These ownership interests and/or business positions could create, or

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appear to create, potential conflicts of interest when these individuals are faced with decisions that could have different implications for us, the Liberty entities, and/or Advance/Newhouse. For example, there may be the potential for a conflict of interest when we, on the one hand, or a Liberty entity, and/or Advance/Newhouse, on the other hand, look at acquisitions and other corporate opportunities that may be suitable for the other.

The members of our board of directors have fiduciary duties to our stockholders. Likewise, those persons who serve in similar capacities at Liberty Media, Liberty Global, Liberty Interactive, or Advance/Newhouse have fiduciary duties to those companies. Therefore, such persons may have conflicts of interest or the appearance of conflicts of interest with respect to matters involving or affecting both respective companies. Although the terms of any transactions or agreements will be established based upon negotiations between employees of the companies involved, there can be no assurance that the terms of any transactions will be as favorable to us or our subsidiaries as would be the case where the parties are at arms’ length.

Our overlapping directors with Liberty Media and Liberty Interactive may result in the diversion of business opportunities and other potential conflicts.

Both Liberty Media and Liberty Interactive own interests in various U.S. and international programming companies that have subsidiaries that own or operate domestic or foreign programming services that may compete with the programming services we offer. We have no rights in respect of U.S. or international programming opportunities developed by or presented to the subsidiaries of Liberty Media and Liberty Interactive, and the pursuit of these opportunities by such subsidiaries may adversely affect our interests and those of our stockholders. Because we and these Liberty entities have overlapping directors, the pursuit of business opportunities may serve to intensify the conflicts of interest or appearance of conflicts of interest faced by the respective management teams. Our charter provides that none of our directors or officers will be liable to us or any of our subsidiaries for breach of any fiduciary duty by reason of the fact that such individual directs a corporate opportunity to another person or entity (including Liberty Media or Liberty Interactive), for which such individual serves as a director or officer, or does not refer or communicate information regarding such corporate opportunity to us or any of our subsidiaries, unless (x) such opportunity was expressly offered to such individual solely in his or her capacity as a director or officer of us or any of our subsidiaries and (y) such opportunity relates to a line of business in which we or any of our subsidiaries is then directly engaged.

The personal educational media, lifelong learning, and travel and automotive industry investments by John S. Hendricks, a common stock director and our Founder, may conflict with or compete with our business activities.

Our Founder, John S. Hendricks, manages his non-Discovery, personal business investments through Hendricks Investment Holdings LLC (“HIH”), a Delaware limited liability company of which he is the sole owner and member. HIH owns a travel club and travel-related properties including a resort in Gateway, Colorado and has created a learning academy for guests that includes online and advanced media offerings in the area of informal and lifelong learning. Certain video productions and offerings of this academy may compete with our educational media offerings. We and the academy may enter into a business arrangement for the offering of our video products for sale by the academy and/or for the joint-production of new educational media products or coproduction agreements for programming to be aired on our networks, such as the Curiosity series. In addition, from time to time, HIH or its subsidiaries may enter into transactions with us or our subsidiaries. For example, through HIH, Mr. Hendricks owns a number of business interests in the automotive field, some of which are involved in programming offered by us, in particular on our Velocity network. Although the terms of any such transactions or agreements will be established based upon negotiations between employees of the companies involved, there can be no assurance that the terms of any such transactions will be as favorable to us or our subsidiaries as would be the case where the parties are at arms’ length.

It may be difficult for a third party to acquire us, even if doing so may be beneficial to our stockholders.

Certain provisions of our charter and bylaws may discourage, delay or prevent a change in control that a stockholder may consider favorable. These provisions include the following:

• authorizing a capital structure with multiple series of common stock: a Series B that entitles the holders to ten votes per share, a Series A that entitles the holders to one vote per share and a Series C that, except as otherwise required by applicable law, entitles the holders to no voting rights;

• authorizing the Series A convertible preferred stock with special voting rights, which prohibits us from taking any of the following actions, among others, without the prior approval of the holders of a majority of the outstanding shares of such stock:

• increasing the number of members of the Board of Directors above 11;

• making any material amendment to our charter or bylaws;

• engaging in a merger, consolidation or other business combination with any other entity;

• appointing or removing our Chairman of the Board or our Chief Executive Officer;

• authorizing the issuance of “blank check” preferred stock, which could be issued by our board of directors to increase the number of outstanding shares and thwart a takeover attempt;

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• classifying our common stock directors with staggered three year terms and having three directors elected by the holders of the Series A convertible preferred stock, which may lengthen the time required to gain control of our board of directors;

• limiting who may call special meetings of stockholders;

• prohibiting stockholder action by written consent (subject to certain exceptions), thereby requiring stockholder action to be taken at a meeting of the stockholders;

• establishing advance notice requirements for nominations of candidates for election to our board of directors or for proposing matters that can be acted upon by stockholders at stockholder meetings;

• requiring stockholder approval by holders of at least 80% of our voting power or the approval by at least 75% of our board of directors with respect to certain extraordinary matters, such as a merger or consolidation, a sale of all or substantially all of our assets or an amendment to our charter;

• requiring the consent of the holders of at least 75% of the outstanding Series B common stock (voting as a separate class) to certain share distributions and other corporate actions in which the voting power of the Series B common stock would be diluted by, for example, issuing shares having multiple votes per share as a dividend to holders of Series A common stock; and

• the existence of authorized and unissued stock which would allow our board of directors to issue shares to persons friendly to current management, thereby protecting the continuity of our management, or which could be used to dilute the stock ownership of persons seeking to obtain control of us.

We have also adopted a shareholder rights plan in order to encourage anyone seeking to acquire us to negotiate with our board of directors prior to attempting a takeover. While the plan is designed to guard against coercive or unfair tactics to gain control of us, the plan may have the effect of making more difficult or delaying any attempts by others to obtain control of us.

Holders of any single series of our common stock may not have any remedies if any action by our directors or officers has an adverse effect on only that series of common stock.

Principles of Delaware law and the provisions of our charter may protect decisions of our board of directors that have a disparate impact upon holders of any single series of our common stock. Under Delaware law, the board of directors has a duty to act with due care and in the best interests of all of our stockholders, including the holders of all series of our common stock. Principles of Delaware law established in cases involving differing treatment of multiple classes or series of stock provide that a board of directors owes an equal duty to all common stockholders regardless of class or series and does not have separate or additional duties to any group of stockholders. As a result, in some circumstances, our directors may be required to make a decision that is adverse to the holders of one series of common stock. Under the principles of Delaware law referred to above, stockholders may not be able to challenge these decisions if our board of directors is disinterested and adequately informed with respect to these decisions and acts in good faith and in the honest belief that it is acting in the best interests of all of our stockholders.

The exercise by Advance/Newhouse of its registration rights may cause our stock price to decline significantly, even if our business is doing well.

Advance/Newhouse has been granted registration rights covering all of the shares of common stock issuable upon conversion of the convertible preferred stock held by Advance/Newhouse. Advance/Newhouse’s preferred stock is currently convertible into shares of our Series A and Series C common stock on a 1-for-1 basis, subject to certain anti-dilution adjustments. The registration rights, which are immediately exercisable, are transferrable with the sale or transfer by Advance/Newhouse of blocks of shares representing 10% or more of the preferred stock it holds. The exercise of the registration rights, and subsequent sale of possibly large amounts of our common stock in the public market, could materially and adversely affect the market price of our common stock.

John C. Malone and Advance/Newhouse each have significant voting power with respect to corporate matters considered by our stockholders.

For corporate matters other than the election of directors, John C. Malone and Advance/Newhouse each beneficially own shares of our stock representing approximately 22% and 25%, respectively, of the aggregate voting power represented by our outstanding stock. With respect to the election of directors, Mr. Malone controls approximately 30% of the aggregate voting power relating to the election of the eight common stock directors (assuming that the convertible preferred stock owned by Advance/Newhouse (the “A/N Preferred Stock”) has not been converted into shares of our common stock). The A/N Preferred Stock carries with it the right to designate the three preferred stock directors to our board (subject to certain conditions), but will not vote with respect to the election of the eight common stock directors. Also, under the terms of the A/N Preferred Stock, Advance/Newhouse has special voting rights as to certain enumerated matters, including material amendments to the restated charter and bylaws, fundamental changes in our business, mergers and other business combinations, certain acquisitions and dispositions and future issuances of capital stock. Although there is no stockholder agreement, voting agreement or any similar arrangement between Mr. Malone and Advance/Newhouse, by virtue of their respective holdings, each of Mr. Malone and Advance/Newhouse likely have significant influence over the outcome of any corporate transaction or other matter submitted to our stockholders.

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ITEM 1B. Unresolved Staff Comments.

None.

ITEM 2. Properties.

We own and lease 1.6 million square feet of building space for the conduct of our businesses at 49 locations throughout the world. In the U.S. alone, we own and lease approximately 597,000 and 775,000 square feet of building space, respectively, at 19 locations. Principal locations in the U.S. include: (i) our world headquarters located at One Discovery Place, Silver Spring, Maryland, where approximately 543,000 square feet is used for executive offices and general office space by our U.S. Networks, International Networks, and Education and Other segments, (ii) general office space at 850 Third Avenue, New York, New York, where approximately 132,000 square feet is primarily used for sales by our U.S. Networks segment, (iii) general office space and a production and post-production facility located at 8045 Kennett Street, Silver Spring, Maryland, where approximately 149,000 square feet is primarily used by our U.S. Networks segment, (iv) general office space and a production and post-production facility at 1619 Broadway, New York, New York, where approximately 69,000 square feet is used by our Education and Other segment, (v) general office space located at 10100 Santa Monica Boulevard, Los Angeles, California, where approximately 58,000 square feet is primarily used for sales by our U.S. Networks segment, (vi) general office space at 6505 Blue Lagoon Drive, Miami, Florida, where approximately 91,000 square feet is primarily used by our International Networks segment, and (vii) an origination facility at 45580 Terminal Drive, Sterling, Virginia, where approximately 54,000 square feet of space is used to manage the distribution of domestic network television programming by our U.S. Networks segment.

We also lease over 270,000 square feet of building space at 30 locations outside of the U.S., including the U.K., Germany and Singapore.

Each property is considered to be in good condition, adequate for its purpose, and suitably utilized according to the individual nature and requirements of the relevant operations. Our policy is to improve and replace property as considered appropriate to meet the needs of the individual operation.

ITEM 3. Legal Proceedings.

We experience routine litigation in the normal course of our business. We believe that none of the pending litigation will have a material adverse effect on our consolidated financial condition, future results of operations, or liquidity.

ITEM 4. Mine Safety Disclosures.

Not applicable.

Executive Officers of Discovery Communications, Inc.

Pursuant to General Instruction G(3) to Form 10-K, the information regarding our executive officers required by Item 401(b) of Regulation S-K is hereby included in Part I of this report.

The following table sets forth the name and date of birth of each of our executive officers and the office held by such officer as of February 10, 2012.

Name	Position
John S. Hendricks Born March 29, 1952	Chairman and a common stock director. Mr. Hendricks is our Founder and has served as Chairman of Discovery since September 1982. Mr. Hendricks served as our Chief Executive Officer from September 1982 to June 2004; and our Interim Chief Executive Officer from December 2006 to January 2007.
David M. Zaslav Born January 15, 1960	President, Chief Executive Officer and a common stock director. Mr. Zaslav has served as our President and Chief Executive Officer since January 2007. Mr. Zaslav served as President, Cable & Domestic Television and New Media Distribution of NBC Universal, Inc., a media and entertainment company (“NBC”), from May 2006 to December 2006. Mr. Zaslav served as Executive Vice President of NBC, and President of NBC Cable, a division of NBC, from October 1999 to May 2006. Mr. Zaslav was a director of Tivo Inc. from 2000 to 2010.
Bradley E. Singer Born July 11, 1966	Senior Executive Vice President, Chief Financial Officer. Mr. Singer has served as our Senior Executive Vice President, Chief Financial Officer since July 2008 and served as our Treasurer from February 2009 to September 2011. Mr. Singer served as Chief Financial Officer and Treasurer of American Tower Corporation, a wireless and broadcast communications infrastructure company, from December 2001 to June 2008. Mr. Singer has announced that he will resign from his position effective March 31, 2012.

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Name	Position
Mark G. Hollinger Born August 26, 1959	President and Chief Executive Officer of Discovery Networks International. Mr. Hollinger became President and Chief Executive Officer of Discovery Networks International in December 2009. Prior to that, Mr. Hollinger served as our Chief Operating Officer and Senior Executive Vice President, Corporate Operations from January 2008 through December 2009; and as our Senior Executive Vice President, Corporate Operations from January 2003 through December 2009. Mr. Hollinger served as our General Counsel from 1996 to January 2008, and as President of our Global Businesses and Operations from February 2007 to January 2008.
Adria Alpert-Romm Born March 2, 1955	Senior Executive Vice President, Human Resources. Ms. Romm has served as our Senior Executive Vice President of Human Resources since March 2007. Ms. Romm served as Senior Vice President of Human Resources of NBC from 2004 to 2007. Prior to 2004, Ms. Romm served as a Vice President in Human Resources for the NBC TV network and NBC staff functions.
Bruce L. Campbell Born November 26, 1967	Chief Development Officer, General Counsel and Secretary. Mr. Campbell became Chief Development Officer in August 2010 and our General Counsel and Secretary in December 2010. Prior to that, Mr. Campbell served as our President, Digital Media & Corporate Development from March 2007 through August 2010. Mr. Campbell served as Executive Vice President, Business Development of NBC from December 2005 to March 2007, and Senior Vice President, Business Development of NBC from January 2003 to November 2005.
Thomas R. Colan Born July 21, 1955	Executive Vice President, Chief Accounting Officer. Mr. Colan has served as our Executive Vice President, Chief Accounting Officer since March 2008. Mr. Colan served as Senior Vice President – Controller and Treasurer at America Online/Time Warner from September 2001 to March 2008.

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PART II

ITEM 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.

Our Series A common stock, Series B common stock and Series C common stock are listed and traded on The NASDAQ Global Select Market (“NASDAQ”) under the symbols “DISCA,” “DISCB” and “DISCK,” respectively. Our common stock began trading on NASDAQ on September 18, 2008. The following table sets forth, for the periods indicated, the range of high and low sales prices per share of our Series A common stock, Series B common stock and Series C common stock as reported on NASDAQ.

	Series A Common Stock				Series B Common Stock				Series C Common Stock
	High		Low		High		Low		High		Low
2011
Fourth quarter	$	45.14	$	35.65	$	47.26	$	36.48	$	41.81	$	33.19
Third quarter	$	42.77	$	34.75	$	42.32	$	32.05	$	39.74	$	31.63
Second quarter	$	45.81	$	39.50	$	45.65	$	39.37	$	40.46	$	35.17
First quarter	$	44.33	$	37.62	$	43.83	$	38.40	$	39.58	$	32.81
2010
Fourth quarter	$	45.52	$	39.62	$	44.52	$	41.40	$	39.71	$	34.54
Third quarter	$	44.39	$	34.70	$	44.56	$	35.62	$	39.14	$	30.14
Second quarter	$	40.13	$	33.48	$	40.52	$	33.82	$	34.58	$	28.45
First quarter	$	34.36	$	27.69	$	34.18	$	28.14	$	30.14	$	24.96

As of February 10, 2012, there were approximately 2,104, 115 and 2,211 record holders of our Series A common stock, Series B common stock and Series C common stock, respectively. These amounts do not include the number of shareholders whose shares are held of record by banks, brokerage houses or other institutions, but include each institution as one shareholder.

We have not paid any cash dividends on our Series A common stock, Series B common stock or Series C common stock, and we have no present intention to do so. Payment of cash dividends, if any, will be determined by our Board of Directors in consideration of our earnings, financial condition and other relevant considerations. Our credit facility restricts our ability to declare dividends in certain situations.

Unregistered Sales of Equity Securities and Use of Proceeds

There were no sales of unregistered securities during the three months ended December 31, 2011.

The following table presents information about our repurchases of common stock that were made through open market transactions during the three months ended December 31, 2011.

Period	Total Number of Shares Purchased		Average Price Paid per Share (1)		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs (2)		Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs (1)(2)
Series C common stock:
October 1, 2011 – October 31, 2011		2,709,000	$	37.36		2,709,000	$	1,061,422,014
November 1, 2011 – November 30, 2011		2,081,048	$	38.96		2,081,048	$	980,345,913
December 1, 2011 – December 31, 2011		2,207,809	$	37.31		2,207,809	$	897,968,833
Total		6,997,857	$	37.82		6,997,857	$	897,968,833

⁽¹⁾  The amounts do not give effect to any fees, commissions or other costs associated with repurchases of shares.

⁽²⁾  On August 3, 2010, we announced a stock repurchase program, pursuant to which we are authorized to purchase up to $1.0 billion of our common stock. On July 27, 2011, the Company’s Board of Directors authorized the Company to purchase an additional $1.0 billion of its common stock under the stock repurchase program. In total, the Company has been authorized to purchase up to $2.0 billion of its common stock under the repurchase program. We expect to fund repurchases through a combination

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of cash on hand, cash generated by operations, borrowings under our revolving credit facility and future financing transactions. Under the program, management is authorized to purchase shares from time to time through open market purchases or privately negotiated transactions at prevailing prices as permitted by securities laws and other legal requirements, and subject to stock price, business conditions, market conditions and other factors. The repurchase program does not have an expiration date. The above repurchases were funded using cash on hand. There were no repurchases of our Series A common stock or Series B common stock during the three months ended December 31, 2011.

Stock Performance Graph

The following graph sets forth the cumulative total shareholder return on our Series A common stock, Series B common stock and Series C common stock as compared with the cumulative total return of the companies listed in the Standard and Poor’s 500 Stock Index (“S&P 500 Index”) and a peer group of companies comprised of CBS Corporation Class B common stock, News Corporation Class A common stock, Scripps Network Interactive, Inc., Time Warner, Inc., Viacom, Inc. Class B common stock and The Walt Disney Company. The graph assumes $100 originally invested on September 18, 2008, the date upon which our common stock began trading, in each of our Series A common stock, Series B common stock and Series C common stock, the S&P 500 Index, and the stock of our peer group companies, including reinvestment of dividends, for the period September 18, 2008 through December 31, 2008 and the years ended December 31, 2009, 2010 and 2011.

	December 31,  2008		December 31,  2009		December 31,  2010		December 31,  2011
DISCA	$	102.53	$	222.09	$	301.96	$	296.67
DISCB	$	78.53	$	162.82	$	225.95	$	217.56
DISCK	$	83.69	$	165.75	$	229.31	$	235.63
S&P 500	$	74.86	$	92.42	$	104.24	$	104.23
Peer Group	$	68.79	$	100.70	$	121.35	$	138.19

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Equity Compensation Plan Information

Information regarding securities authorized for issuance under equity compensation plans will be set forth in our definitive Proxy Statement for our 2012 Annual Meeting of Stockholders under the caption “Securities Authorized for Issuance Under Equity Compensation Plans,” which is incorporated herein by reference.

ITEM 6. Selected Financial Data.

The table set forth below presents our selected financial information for each of the past five years. The selected statement of operations information for each of the three years ended December 31, 2011 and the selected balance sheet information as of December 31, 2011 and 2010 have been derived from and should be read in conjunction with the information in Item 7, “Management’s Discussion and Analysis of Results of Operations and Financial Position,” the audited consolidated financial statements included in Item 8, “Financial Statements and Supplementary Data,” and other financial information included elsewhere in this Annual Report on Form 10-K. The selected statement of operations information for each of the two years ended December 31, 2008 and 2007 and the selected balance sheet information as of December 31, 2009, 2008 and 2007 have been derived from financial statements not included in the Annual Report on Form 10-K.

We were formed in connection with DHC and Advance/Newhouse combining their respective ownership interests in DCH and exchanging those interests with and into Discovery, which was consummated on September 17, 2008. Prior to our formation, DCH was a stand-alone private company, which was owned approximately 66 2/3% by DHC and 33 1/3% by Advance/Newhouse. As a result of this transaction we became the successor reporting entity to DHC.

The selected financial information set forth below reflects our formation as though it was consummated on January 1, 2008. Accordingly, the selected statement of operations information for each of the three years ended December 31, 2011 and the selected balance sheet information as of December 31, 2011, 2010, 2009 and 2008 reflect the consolidated results of operations and financial position of Discovery. The selected statement of operations information for the year ended December 31, 2008 reflects the combined results of operations of DHC and DCH for the period January 1, 2008 through September 17, 2008 and the consolidated results of operations for Discovery for the period September 18, 2008 through December 31, 2008. The selected statement of operations information of the year ended December 31, 2007 and the selected balance sheet information as of December 31, 2007 reflect the consolidated results of operations and financial position of DHC. Prior to our formation, DHC accounted for its investment in DCH using the equity method. Therefore, DHC’s results of operations and cash flows for the period January 1, 2008 through September 17, 2008 have been adjusted to eliminate the portion of DCH’s earnings originally recorded by DHC in its stand-alone financial statements under the equity method. Additionally, DCH’s earnings for the period January 1, 2008 through September 17, 2008 have been adjusted to allocate a portion of its earnings to Advance/Newhouse.

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	2011			2010			2009			2008			2007
	(in millions, except per share amounts)
Selected Statement of Operations Information:
Revenues	$	4,235		$	3,773		$	3,458		$	3,382		$	76
Costs of revenues, excluding depreciation and amortization		1,233			1,073			1,044			1,002			60
Operating income (loss)		1,799			1,360			1,274			1,064			(8	)
DHC’s equity in earnings of DCH		—			—			—			—			142
Income from continuing operations, net of taxes		1,134			647			570			404			86
(Loss) income from discontinued operations, net of taxes		(1	)		22			(6	)		40			(154	)
Net income (loss)		1,133			669			564			444			(68	)
Net income attributable to noncontrolling interests		(1	)		(16	)		(15	)		(127	)		—
Net income (loss) attributable to Discovery Communications, Inc.		1,132			653			549			317			(68	)
Stock dividends to preferred interests		—			(1	)		(8	)		—			—
Net income (loss) available to Discovery Communications, Inc. stockholders		1,132			652			541			317			(68	)
Income per share from continuing operations available to Discovery Communications, Inc. stockholders:
Basic	$	2.82		$	1.48		$	1.29		$	0.86		$	0.31
Diluted	$	2.80		$	1.47		$	1.29		$	0.86		$	0.31
(Loss) income per share from discontinued operations available to Discovery Communications, Inc. stockholders:
Basic	$	—		$	0.05		$	(0.01	)	$	0.12		$	(0.55	)
Diluted	$	—		$	0.05		$	(0.01	)	$	0.12		$	(0.55	)
Net income (loss) per share available to Discovery Communications, Inc. stockholders:
Basic	$	2.82		$	1.53		$	1.28		$	0.99		$	(0.24	)
Diluted	$	2.80		$	1.52		$	1.27		$	0.98		$	(0.24	)
Weighted average shares outstanding:
Basic		401			425			423			321			281
Diluted		405			429			425			322			281
Selected Balance Sheet Information:
Cash and cash equivalents	$	1,048		$	466		$	623		$	94		$	8
DHC’s investment in DCH		—			—			—			—			3,272
Goodwill		6,291			6,434			6,433			6,891			1,782
Total assets		11,913			11,019			10,952			10,481			5,866
Long-term debt:
Current portion		26			20			38			458			—
Long-term portion		4,219			3,598			3,457			3,331			—
Total liabilities		5,394			4,786			4,683			4,875			1,371
Redeemable noncontrolling interests		—			—			49			49			—
Equity attributable to Discovery Communications, Inc.		6,517			6,225			6,197			5,536			4,495
Equity attributable to noncontrolling interests		2			8			23			21			—
Total equity		6,519			6,233			6,220			5,557			4,495

• Income (loss) per share amounts may not sum since each is calculated independently.

• Our results of operations for 2011 include a $112 million income tax benefit related to foreign tax credits and a $129 million gain on the disposition of the Discovery Health network as a contribution to OWN upon the launch of the network. As we continue to be involved in the operations of OWN subsequent to its launch, the results of operations of the Discovery Health network have not been presented as discontinued operations. Therefore, our results of operations for 2010, 2009 and 2008 include the gross revenues and expenses of the Discovery Health network. For periods subsequent to January 1, 2011, our results of operations include only our proportionate share of OWN’s net operating results under the equity method of accounting. The Discovery Health network was part of DCH prior to our formation and, therefore, did not impact the 2007 financial information in the above table.

• Our results of operations for 2010 include a $136 million loss on the extinguishment of debt.

• On September 1, 2010, we sold our Antenna Audio business for net proceeds of $24 million in cash, which resulted in a $9 million gain, net of taxes. The operating results of Antenna Audio have been reported as discontinued operations for 2011, 2010, 2009 and 2008. Antenna Audio was previously a business of DCH prior to our formation and, therefore, did not impact the 2007 financial information in the above table.

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• On May 22, 2009, we sold a 50% interest in the U.S. Discovery Kids network to Hasbro and formed The Hub. Both parties then contributed their interests in the U.S. Discovery Kids network to a newly formed joint venture. We recognized a pretax gain of $252 million in connection with this transaction. As we continue to be involved in the operations of the joint venture subsequent to its formation, the results of operations of the U.S. Discovery Kids network have not been presented as discontinued operations. Therefore, our results of operations for January 1, 2009 through May 22, 2009 and 2008 include the gross revenues and expenses of the U.S. Discovery Kids network. For periods subsequent to May 22, 2009, our results of operations include only our proportionate share of the U.S. Discovery Kids network net operating results under the equity method of accounting. The U.S. Discovery Kids network was part of DCH prior to our formation and, therefore, did not impact the 2007 financial information in the above table.

• On September 17, 2008, DHC concluded the spin-off of Ascent Capital Group “ACG” in connection with our formation, which did not result in a gain or loss. The operating results of ACG have been reported as discontinued operations for 2008 and 2007.

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ITEM 7. Management’s Discussion and Analysis of Results of Operations and Financial Condition.

Management’s discussion and analysis of results of operations and financial condition is a supplement to and should be read in conjunction with the accompanying consolidated financial statements and related notes. This section provides additional information regarding Discovery Communications, Inc.’s (“Discovery,” “Company,” “we,” “us,” or “our”) businesses, recent developments, results of operations, cash flows, financial condition, contractual commitments and critical accounting policies.

CAUTIONARY NOTE CONCERNING FORWARD-LOOKING STATEMENTS

Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including statements regarding our business, marketing and operating strategies, integration of acquired businesses, new service offerings, financial prospects and anticipated sources and uses of capital. Words such as “anticipates,” “estimates,” “expects,” “projects,” “intends,” “plans,” “believes” and words and terms of similar substance used in connection with any discussion of future operating or financial performance identify forward-looking statements. Where, in any forward-looking statement, we express an expectation or belief as to future results or events, such expectation or belief is expressed in good faith and believed to have a reasonable basis, but there can be no assurance that the expectation or belief will result or be achieved or accomplished. The following include some but not all of the factors that could cause actual results or events to differ materially from those anticipated: the inability of advertisers or affiliates to remit payment to us in a timely manner or at all; general economic and business conditions; industry trends, including the timing of, and spending on, feature film, television and television commercial production; spending on domestic and foreign television advertising and foreign first-run and existing content libraries; the regulatory and competitive environment of the industries in which we, and the entities in which we have interests, operate; continued consolidation of broadband distribution and production companies; uncertainties inherent in the development of new business lines and business strategies; financial performance of our equity method investees may differ from current estimates used and impact our results of operations; integration of acquired businesses; uncertainties associated with product and service development and market acceptance, including the development and provision of programming for new television and telecommunications technologies; changes in the distribution and viewing of television programming, including the expanded deployment of personal video recorders, video on demand (“VOD”), internet protocol television, mobile personal devices and personal tablets and their impact on television advertising revenue; rapid technological changes; future financial performance, including availability, terms, and deployment of capital; fluctuations in foreign currency exchange rates and political unrest in international markets; the ability of suppliers and vendors to deliver products, equipment, software and services; the outcome of any pending or threatened litigation; availability of qualified personnel; the possibility of an industry-wide strike or other job action affecting a major entertainment industry union, or the duration of any existing strike or job action; changes in, or failure or inability to comply with, government regulations, including, without limitation, regulations of the Federal Communications Commission and adverse outcomes from regulatory proceedings; changes in income taxes applicable to our operations due to regulatory changes or changes in our corporate structure; changes in the nature of key strategic relationships with partners and equity method investee partners; competitor responses to our products and services and the products and services of the entities in which we have interests; threatened terrorist attacks and military action; reduced access to capital markets or significant increases in costs to borrow; a failure to secure affiliate agreements or renewal of such agreements on less favorable terms; and a reduction of advertising revenue associated with unexpected reductions in the number of subscribers. For additional risk factors, refer to Item 1A, “Risk Factors”. These forward-looking statements and such risks, uncertainties and other factors speak only as of the date of this Annual Report and we expressly disclaim any obligation or undertaking to disseminate any updates or revisions to any forward-looking statement contained herein, to reflect any change in our expectations with regard thereto, or any other change in events, conditions or circumstances on which any such statement is based.

BUSINESS OVERVIEW

We are a global nonfiction media and entertainment company that provides programming across multiple distribution platforms throughout the world. We distribute customized programming, in over 40 languages, in the U.S. and over 200 other countries and territories. Our global portfolio of networks includes prominent television brands such as Discovery Channel, one of the first nonfiction networks and our most widely distributed global brand, TLC and Animal Planet. We also have a diversified portfolio of websites and other digital media services, develop and sell curriculum-based products and services, and provide postproduction audio services.

Our objectives are to invest in content for our networks to build viewership, optimize distribution revenue, capture advertising sales, and create or reposition additional branded channels and businesses that can sustain long-term growth and occupy a desired programming niche with strong consumer appeal. Our strategy is to optimize the distribution, ratings, and profit potential of each of our branded networks. In addition to growing distribution and advertising revenue for our branded networks, we are extending content distribution across new platforms, including brand-aligned websites, mobile devices, VOD, broadband channels and on-line streaming, which provide promotional platforms for our television programming and serve as additional outlets for advertising and distribution revenue.

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Our media content is designed to target key audience demographics and the popularity of our programming creates a reason for advertisers to purchase commercial time on our channels. Audience ratings are a key driver in generating advertising revenue and creating demand on the part of cable television operators, DTH satellite operators, and other content distributors to deliver our programming to their customers.

We classify our operations in three segments: U.S. Networks, consisting principally of domestic television networks, websites, and other digital media services; International Networks, consisting primarily of international television networks and websites; and Education and Other, consisting principally of curriculum-based product and service offerings and postproduction audio services.

U.S. Networks

U.S. Networks generated net revenues of $2,619 million during 2011, which represented 62% of our total consolidated net revenues. This segment wholly owns and operates nine national television networks, including fully distributed television networks such as Discovery Channel, TLC and Animal Planet. In addition, this segment holds our interests in OWN, The Hub, and 3net, which are networks operated by equity method investees. We account for our interests in the underlying ventures using the equity method and services provided to them as other revenue.

U.S. Networks generates revenues from fees charged to distributors of our network content, which include cable and DTH satellite service providers and digital distributors, from advertising sold on our television networks and other arrangements. Distribution fees are largely based on the number of subscribers receiving our programming. Distribution revenues are recognized net of incentives we provide to operators in exchange for carrying our networks. Incentives may include launch incentives, providing the channel to the distributor for free for a predetermined length of time, or both. Launch incentives are capitalized as assets upon launch of our network by the operator and are amortized on a straight-line basis as a reduction of revenue over the term of the contract, including free periods. Advertising revenues are dependent upon a number of factors including the number of subscribers to our channels, viewership demographics, the popularity of our programming, and our ability to sell commercial time over a group of channels. Our U.S. Networks segment also generates income to offset expenses associated with providing affiliate and advertising sales representation and network services for equity method investee networks and the licensing of our brands for consumer products. During 2011, distribution, advertising, and other revenues were 45%, 51%, and 4%, respectively, of total net revenues for this segment. The Discovery Channel, TLC and Animal Planet collectively generated 72% of U.S. Networks’ total net revenues.

U.S. Networks’ largest single cost is content expense, including content amortization, content impairments and production costs. U.S. Networks amortizes the cost of capitalized content rights based on the proportion that current estimated revenues bear to the estimated remaining total lifetime revenues, which normally results in an accelerated amortization method over the estimated useful lives. Certain networks utilize a straight-line method of amortization over the estimated useful lives of the content.

On January 1, 2011, we contributed the domestic Discovery Health network to OWN. The contribution included affiliate relationships with cable operators and DTH satellite service providers, content licenses, and website user information. The contribution did not impact our ownership interest, voting control, or governance rights related to OWN, but was accompanied by an equitable partner contribution to OWN. We recorded our contribution at fair value, which resulted in a pretax gain of $129 million. The gain resulted in $27 million of tax expense. Following the contribution, we no longer consolidate the domestic Discovery Health network. Additional information is discussed in Note 4 to the consolidated financial statements included in Item 8, “Financial Statements and Supplementary Data” in this Annual Report on Form 10-K.

International Networks

International Networks generated net revenues of $1,455 million during 2011, which represented 34% of our total consolidated net revenues. International Networks consists of national and pan-regional television networks and a portfolio of websites. The Discovery Channel, Animal Planet and TLC lead the International Networks’ portfolio of television networks, which are distributed in virtually every pay-television market in the world through an infrastructure that includes operational centers in London, Singapore, and Miami. Of U.S. television companies, our International Networks segment has one of the largest international distribution platforms of television networks with one to twelve networks in more than 200 countries and territories. International Networks also has free to air networks in the U.K., Germany, Italy and Spain. At December 31, 2011, International Networks operated over 150 unique distribution feeds in over 40 languages with channel feeds customized according to language needs and advertising sales opportunities.

The International Networks segment continues to pursue international expansion in select areas. For example, in 2010, we began the international rollout of TLC as a female-targeted global flagship and have launched TLC or a similarly branded network which uses TLC content in over 150 countries and territories. During 2011, the Company acquired a factual entertainment production company in the U.K. and a cable channel in Latin America to further improve the global strength of TLC.

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On November 12, 2010, we acquired the remaining 50% interest in substantially all of the international Animal Planet and Liv (formerly People + Arts) networks from the BBC, increasing our ownership of these networks to 100%. Previously, these networks were operated as 50-50 ventures between us and the BBC. We determined that we were the primary beneficiary of the ventures, and therefore, consolidated them prior to the acquisition. With this acquisition, we wholly own and operate most of our international television networks, except for channels in Japan and Canada, which are operated by equity method investees that have strategically important local investment partners. On February 17, 2010, we acquired all interests in an uplink facility in the U.K., including its employees and operations, for a payment of $35 million. The uplink facility has been included in the International Networks segment operating results since the date of acquisition.

On September 1, 2010, we sold Antenna Audio Limited, which was a component of our International Networks segment, which is reported as discontinued operations for all periods presented.

Similar to our U.S. Networks segment, the primary sources of revenues for International Networks are fees charged to operators who distribute our networks, which primarily include cable and DTH satellite service providers, and from advertising sold on our television networks. Distribution fees are based on the number of subscribers receiving our programming and are recognized net of launch incentives. International television markets vary in their stages of development. Some, notably the U.K., are more advanced digital multi-channel television markets, while others remain in the analog environment with varying degrees of investment from operators in expanding channel capacity or converting to digital. Advertising revenues are dependent upon a number of factors including the stage of development of pay television markets, number of subscribers to our channels, viewership demographics, the popularity of our programming, and our ability to sell commercial time over a group of channels. In developing pay television markets, we expect advertising revenue growth will result from subscriber growth, our localization strategy, and the shift of advertising spending from broadcast to pay television. In relatively mature markets, such as Western Europe, increased market penetration and distribution are unlikely to drive rapid growth in those markets. Instead, growth in advertising sales will come from increasing viewership and advertising pricing on our existing pay television networks and launching new services, either in pay television or free television environments. During 2011, distribution, advertising, and other revenues were 61%, 35%, and 4%, respectively, of total net revenues for this segment.

International Networks’ largest cost is content expense. International Networks executes a localization strategy by offering programming from U.S. Networks, customized content, and localized schedules via our distribution feeds. While our International Networks segment maximizes the use of programming from our U.S. Networks segment, we also develop local programming that is tailored to individual market preferences. International Networks amortizes the cost of capitalized content rights based on the proportion that current estimated revenues bear to the estimated remaining total lifetime revenues, which results in either an accelerated method or a straight-line method over the estimated useful lives.

Effective January 1, 2011, we realigned our International Networks reporting structure into the following four regions: Western Europe, which includes the U.K. and western European countries; Central and Eastern Europe, the Middle East, and Africa (“CEEMEA”); Latin America; and Asia-Pacific. Previously, International Networks’ regional operations reported into the following four regions: the U.K.; Europe (excluding the U.K.), the Middle East, and Africa (“EMEA”); Asia-Pacific; and Latin America. This realignment did not impact our consolidated financial statements other than to change the regions in which we describe our operating results for the International Networks segment.

Education and Other

Education and Other generated net revenues of $162 million during 2011, which represented 4% of our total consolidated net revenues. Our Education and Other segment is primarily comprised of curriculum-based product and service offerings and postproduction audio services. Our education business generates revenues primarily from subscriptions charged to K-12 schools for access to an online suite of curriculum-based VOD tools, professional development services, student assessment tools, publication of hardcopy curriculum-based content, corporate partnerships, and global brand and content licensing. Other businesses primarily include postproduction audio services that are provided to major motion picture studios, independent producers, broadcast networks, cable channels, advertising agencies, and interactive producers.

27

RESULTS OF OPERATIONS – 2011 vs. 2010

Items Impacting Comparability

Following the contribution of the domestic Discovery Health network to OWN on January 1, 2011, we no longer consolidate the network. The comparability of our results of operations between 2011 and 2010 has been impacted by the deconsolidation. Accordingly, to assist the reader in better understanding the changes in our results of operations, the following table presents the results of operations of the Discovery Health network for 2010 (in millions).

	Year Ended
	December 31, 2010
Revenues:
Distribution	$	15
Advertising		62
Other		1
Total revenues		78
Costs of revenues		32
Selling, general and administrative		13
Restructuring and impairment charges		1
Total operating expenses		46
Operating income	$	32

Reclassifications

We expanded the types of revenue included in distribution revenue in our consolidated statements of operations during 2011 and reclassified related prior year amounts. Distribution revenues include fees charged for the right to view Discovery network branded content made available to customers through a variety of distribution platforms and viewing devices. The largest component of distribution revenue continues to be fees charged to cable, DTH satellite and telecommunications service providers for distribution rights to Discovery’s television networks. Distribution revenue also includes fees charged for certain licensing arrangements, including those for digital streaming of library content, which totaled $109 million in 2011. These fees, which totaled $25 million in 2010, were previously classified as other revenue and have been reclassified to distribution revenue to conform to the current presentation.

28

Consolidated Results of Operations – 2011 vs. 2010

Our consolidated results of operations for 2011 and 2010 were as follows (in millions).

	Year Ended December 31,
	2011			2010			% Change
Revenues:
Distribution	$	2,070		$	1,832			13	%
Advertising		1,852			1,645			13	%
Other		313			296			6	%
Total revenues		4,235			3,773			12	%
Costs of revenues, excluding depreciation and amortization		1,233			1,073			15	%
Selling, general and administrative		1,183			1,185			—	%
Depreciation and amortization		119			130			(8	)%
Restructuring and impairment charges		30			25			20	%
Gains on dispositions		(129	)		—			NM
Total costs and expenses		2,436			2,413			1	%
Operating income		1,799			1,360			32	%
Interest expense, net		(208	)		(203	)		2	%
Loss on extinguishment of debt		—			(136	)		(100	)%
Other expense, net		(32	)		(86	)		(63	)%
Income from continuing operations before income taxes		1,559			935			67	%
Provision for income taxes		(425	)		(288	)		48	%
Income from continuing operations, net of taxes		1,134			647			75	%
(Loss) income from discontinued operations, net of taxes		(1	)		22			NM
Net income		1,133			669			69	%
Net income attributable to noncontrolling interests		(1	)		(16	)		(94	)%
Net income attributable to Discovery Communications, Inc.		1,132			653			73	%
Stock dividends to preferred interests		—			(1	)		(100	)%
Net income available to Discovery Communications, Inc. stockholders	$	1,132		$	652			74	%

NM = not meaningful.

Revenues

Distribution revenues increased $238 million. Excluding the impact of foreign currency fluctuations and the effect of no longer consolidating the Discovery Health network, distribution revenues increased 12%, or $226 million. During 2011, we extended and expanded an agreement to license selected library titles. As a result of titles delivered under this and similar agreements, license revenue increased $84 million. The remaining distribution revenue increase was attributable to contractual rate increases and growth of pay television services and subscribers.

Advertising revenues increased $207 million. Excluding the impact of foreign currency fluctuations and the effect of no longer consolidating the Discovery Health network, advertising revenues increased 16%, or $253 million. Increases were primarily due to worldwide increases in pricing, higher sellouts at U.S. Networks, and international expansion and rebranding of networks. Advertising revenues also benefited from $13 million in non-recurring revenue items at our U.S. Networks operating segment.

Other revenues increased $17 million, due to $33 million for the growth in services provided to our unconsolidated equity method investees. Increases also came from our education business. These increases were partially offset by no longer providing services to The Travel Channel. Changes in foreign currency exchange rates and the effect of no longer consolidating the Discovery Health network did not significantly impact other revenues.

29

Costs of Revenues

Costs of revenues, which consist primarily of content expense, distribution costs, and sales commissions, increased $160 million. Excluding the impact of foreign currency fluctuations and the effect of no longer consolidating the Discovery Health network, costs of revenues increased 17%, or $181 million. The increase in costs of revenues was principally related to higher content expense of $155 million, which primarily reflects our continued investment in content, the international expansion of TLC, $26 million for content impairments and accelerated content amortization, and $11 million for charges associated with the licensing of selected library titles. Costs of revenues also increased due to higher distribution costs and sales commissions.

Selling, General and Administrative

Selling, general and administrative expenses, which principally comprise employee costs, marketing costs, research costs, occupancy, and back office support fees, decreased $2 million. Excluding the impact of foreign currency fluctuations and the effect of no longer consolidating the Discovery Health network, selling, general and administrative expenses decreased 2%, or $19 million. The decrease in selling, general and administrative expenses was primarily due to decreases of $83 million for stock-based compensation. Stock-based compensation expense decreased $100 million due to a decline in outstanding unit awards and stock appreciation rights (“SARs”), which are cash-settled awards, partially offset by an increase in expense of $17 million for stock options, performance based restricted stock units (“PRSUs”) and service based restricted stock units (“RSUs”). The decreases in stock-based compensations expense were partially offset by higher employee compensation costs, increases in headcount, increased costs related to the international expansion of TLC, greater presence in CEEMEA, and increased research costs related to obtaining ratings services for additional networks.

Depreciation and Amortization

Depreciation and amortization expense, which includes depreciation of fixed assets and amortization of finite-lived intangible assets, decreased $11 million. Excluding the impact of foreign currency fluctuations, depreciation and amortization expense decreased 16%, or $23 million, due to lower asset balances as a result of property, equipment and intangible assets becoming fully depreciated in prior periods.

Restructuring and Impairment Charges

In 2011, we recorded $30 million of restructuring and impairment charges, which was comprised of $10 million of exit and restructuring charges and a $20 million goodwill impairment charge. Exit and restructuring charges for 2011 primarily related to various employee terminations and organizational changes. The goodwill impairment charge was due to lower than expected operating performance at our commerce business, which is a component of our U.S. Networks segment.

During 2010, we recorded $25 million of restructuring and impairment charges, which was comprised of $14 million of exit and restructuring charges and an $11 million goodwill impairment charge. Exit and restructuring charges for 2010 related to the realignment of our reporting regions at our International Networks segment, cost reduction initiatives in the U.S., and the contribution of the Discovery Health network to OWN. The charges primarily consisted of severance costs associated with the elimination of certain positions and contract termination expenses. The goodwill impairment charge was due to lower than expected operating performance at our postproduction audio business, which is a component of our Education and Other segment.

Gains on Dispositions

In connection with the contribution of the Discovery Health network to OWN on January 1, 2011, we recorded a pretax gain of $129 million, which represents the fair value of the investment retained less the book basis of contributed assets.

Interest Expense, Net

Interest expense, net, was relatively flat in 2011 compared to the prior year, due to an increase in the amount of outstanding debt offset by a decrease in interest expense related to realized losses on interest rate swaps recorded during the prior year. During 2010, most of our interest rate swaps either matured or were settled prior to maturity as a result of refinancing most of our debt in June 2010.

Loss on Extinguishment of Debt

In June 2010, we refinanced most of our outstanding debt. In connection with the repayment of $2.9 billion of existing debt outstanding under our term loans and private senior notes, we recognized a $136 million loss on extinguishment of debt, which included $114 million for make-whole premiums, $12 million of noncash write-offs of unamortized deferred financing costs and $10 million for the repayment of the original issue discount from our term loans.

30

Other Expense, Net

Other expense, net consisted of the following (in millions).

	Year Ended December 31,
	2011			2010
Unrealized gains on derivative instruments, net	$	2		$	13
Realized losses on derivative instruments, net		(3	)		(42	)
Loss from equity investees, net		(35	)		(57	)
Other, net		4			—
Total other expense, net	$	(32	)	$	(86	)

The decrease in realized losses on derivative instruments is a result of reducing the derivatives held by us as part of the issuance of senior notes on June 30, 2010. The decrease in losses from equity method investments was primarily attributable to changes associated with our investment in OWN. While we recognized 100% of OWN’s losses prior to OWN’s launch on January 1, 2011, we have recognized 50% of OWN’s losses subsequent to the launch. During 2012, the Company expects operating losses at OWN to exceed the balance of equity contributions recorded by OWN. Once the equity balance of OWN is depleted, Discovery expects to continue to fund OWN and will record 100% of any future operating losses of OWN in loss from equity investees, net. Future net income generated by OWN will initially be allocated 100% to us until previously recognized losses in excess of our ownership percentage have been recouped.

Provision for Income Taxes

For 2011 and 2010, our provisions for income taxes were $425 million and $288 million and the effective tax rates were 27% and 31%, respectively.

Discovery’s effective tax rate for 2011 differed from the federal statutory rate of 35% principally because our legal entity reorganization resulted in the recognition of $112 million net benefit for foreign tax credits as discussed below and production activity deductions, which were partially offset by state income taxes. The Company was not required to record a deferred tax liability of $21 million with respect to the portion of the outside basis in the OWN venture attributable to the nondeductible goodwill contributed to OWN.

In November 2011, the Company reorganized certain of its international operations to better align its functions and establish a regional ownership structure. The regional holding companies are foreign corporations whose earnings will not be taxed in the U.S. until the earnings are repatriated back to the U.S. The Company will not record a provision for deferred U.S. tax expense that could result from the remittance of such undistributed earnings since the Company intends to reinvest the earnings outside the U.S. indefinitely. As a result of the international reorganization, the Company has entered into intercompany license and royalty agreements with certain of its controlled foreign corporations to allow the foreign corporations to use intangible property owned by the parent company. The license fees will result in incremental U.S. tax expense which will be recognized over the four-year estimated useful life of the intangible property. This incremental tax expense will be partially mitigated by the Company’s ability to utilize foreign tax credits for taxes which were deducted in prior years. As a result, the Company recognized an income tax benefit of $112 million in the fourth quarter of 2011 related to the foreign tax credits, which were previously not considered realizable. Due to the lower statutory and negotiated tax rates in the foreign corporations’ jurisdictions, the Company expects a favorable impact on the effective tax rate in the future under the new operating structure.

Our effective tax rate for 2010 differed from the federal statutory rate of 35% due primarily to the reversal of a $28 million foreign tax reserve as a result of a foreign tax authority completing its tax audit and providing us notification that certain tax years will not be adjusted and production activity deductions, which were partially offset by state taxes.

(Loss) Income from Discontinued Operations, Net of Taxes

Loss from discontinued operations in 2011 relates to activities connected with businesses classified as discontinued operations in previous years. Income from discontinued operations in 2010 relates to the sale of our Antenna Audio business and the elimination of an obligation to ACG an entity spun off in 2008.

31

Net Income Attributable to Noncontrolling Interests

The $15 million decrease in net income attributable to noncontrolling interests was due to the acquisition of the BBC’s interests in the international Animal Planet and Liv networks on November 12, 2010. Following the acquisition, we no longer allocate net operating results to noncontrolling interests of these networks.

Segment Results of Operations – 2011 vs. 2010

We evaluate the operating performance of our segments based on financial measures such as revenues and adjusted operating income before depreciation and amortization (“Adjusted OIBDA”). Adjusted OIBDA is defined as revenues less costs of revenues and selling, general and administrative expenses excluding: (i) mark-to-market stock-based compensation, (ii) depreciation and amortization, (iii) amortization of deferred launch incentives, (iv) exit and restructuring charges, (v) certain impairment charges, and (vi) gains (losses) on business and asset dispositions. We use this measure to assess the operating results and performance of our segments, perform analytical comparisons, identify strategies to improve performance, and allocate resources to each segment. We believe Adjusted OIBDA is relevant to investors because it allows them to analyze the operating performance of each segment using the same metric management uses. We exclude mark-to-market stock-based compensation, exit and restructuring charges, certain impairment charges, and gains (losses) on business and asset dispositions from the calculation of Adjusted OIBDA due to their volatility. We also exclude the depreciation of fixed assets and amortization of intangible assets and deferred launch incentives as these amounts do not represent cash payments in the current reporting period. Adjusted OIBDA should be considered in addition to, but not a substitute for, operating income, net income, cash flows provided by operating activities and other measures of financial performance reported in accordance with U.S. generally accepted accounting principles (“GAAP”).

Additionally, certain corporate expenses are excluded from segment results to enable executive management to evaluate segment performance based upon decisions made directly by segment executives. Additional financial information for our segments and geographical areas in which we do business is discussed in Note 21 to the consolidated financial statements included in Item 8, “Financial Statements and Supplementary Data” in this Annual Report on Form 10-K.

Total consolidated Adjusted OIBDA was calculated as follows (in millions).

	Year Ended December 31,
	2011			2010			% Change
Revenues:
U.S. Networks	$	2,619		$	2,363			11	%
International Networks		1,455			1,251			16	%
Education and Other		162			153			6	%
Corporate and inter-segment eliminations		(1	)		6			NM
Total revenues		4,235			3,773			12	%
Costs of revenues, excluding depreciation and amortization(1)		(1,233	)		(1,073	)		15	%
Selling, general and administrative(1)		(1,140	)		(1,043	)		9	%
Add: Amortization of deferred launch incentives(2)		52			42			24	%
Adjusted OIBDA	$	1,914		$	1,699			13	%

NM – not meaningful.

⁽¹⁾  Costs of revenues and selling, general and administrative expenses exclude mark-to-market stock-based compensation, depreciation and amortization, restructuring and impairment charges, and gains on dispositions.

⁽²⁾  Amortization of deferred launch incentives are included as a reduction of distribution revenues for reporting in accordance with GAAP, but are excluded from Adjusted OIBDA.

32

The following table presents our Adjusted OIBDA, by segment, with a reconciliation of total consolidated Adjusted OIBDA to consolidated operating income (in millions).

	Year Ended December 31,
	2011			2010			% Change
Adjusted OIBDA:
U.S. Networks	$	1,495		$	1,365			10	%
International Networks		645			545			18	%
Education and Other		23			15			53	%
Corporate and inter-segment eliminations		(249	)		(226	)		10	%
Total Adjusted OIBDA		1,914			1,699			13	%
Amortization of deferred launch incentives		(52	)		(42	)		24	%
Mark-to-market stock-based compensation		(43	)		(142	)		(70	)%
Depreciation and amortization		(119	)		(130	)		(8	)%
Restructuring and impairment charges		(30	)		(25	)		20	%
Gains on dispositions		129			—			NM
Operating income	$	1,799		$	1,360			32	%

NM – not meaningful.

U.S. Networks

The following table presents, for our U.S. Networks segment, revenues by type, certain operating expenses, contra revenue amounts, Adjusted OIBDA, and a reconciliation of Adjusted OIBDA to operating income (in millions). While the table below discloses reported amounts, the discussion of segment results that follows compares the current year operating results to the prior year’s excluding the impact of the Discovery Health network.

	Year Ended December 31,
	2011			2010			% Change
Revenues:
Distribution	$	1,180		$	1,054			12	%
Advertising		1,337			1,222			9	%
Other		102			87			17	%
Total revenues		2,619			2,363			11	%
Costs of revenues, excluding depreciation and amortization		(689	)		(573	)		20	%
Selling, general and administrative		(445	)		(432	)		3	%
Add: Amortization of deferred launch incentives		10			7			43	%
Adjusted OIBDA		1,495			1,365			10	%
Amortization of deferred launch incentives		(10	)		(7	)		43	%
Depreciation and amortization		(15	)		(21	)		(29	)%
Restructuring and impairment charges		(24	)		(3	)		NM
Gains on dispositions		129			—			NM
Operating income	$	1,575		$	1,334			18	%

NM – not meaningful.

Revenues

Distribution revenues increased $141 million, excluding the impact of the Discovery Health network, primarily due to the extension and expansion of an agreement to license selected library titles. As a result of titles delivered under this and similar agreements, license revenue increased $81 million. The remaining distribution revenue increase was attributable to annual contractual rate increases, and increases in paying subscribers, principally for our fully distributed networks carried on the digital tier.

33

Advertising revenues increased $177 million, excluding the impact of Discovery Health network, which was driven by increased pricing in the upfront and scatter markets, and higher sellouts. Advertising revenues also benefited from $13 million in non-recurring revenue items.

Other revenues increased $16 million, excluding the impact of the Discovery Health network, due to $32 million for the growth in revenues from services provided to our unconsolidated equity method investees. These increases were partially offset by no longer providing services to The Travel Channel.

Costs of Revenues

Costs of revenues, which consist primarily of content expense, increased $148 million, excluding the impact of the Discovery Health network. The increase in costs of revenues was principally related to higher content expense, which primarily reflects our continued investment in content, as well as increases of $11 million for an accelerated charge associated with the licensing of selected library titles and $24 million for content impairments and accelerated content amortization.

Selling, General and Administrative

Selling, general and administrative expenses, which principally comprise employee costs, marketing costs, research costs and occupancy and back office support fees, increased $26 million, excluding the impact of the Discovery Health network. Increased selling, general and administrative expenses were attributable to higher research expenses from the newly rated networks and other costs, which were partially offset by lower marketing expenses.

Adjusted OIBDA

Adjusted OIBDA increased $163 million, excluding the impact of the Discovery Health network, primarily due to increased distribution revenues largely generated from licensing of selected library titles, contractual rate increases with our affiliates, and higher advertising sales, partially offset by higher content expense and selling, general and administrative expenses.

International Networks

The following table presents, for our International Networks segment, revenues by type, certain operating expenses, contra revenue amounts, Adjusted OIBDA, and a reconciliation of Adjusted OIBDA to operating income (in millions).

	Year Ended December 31,
	2011			2010			% Change
Revenues:
Distribution	$	890		$	778			14	%
Advertising		514			422			22	%
Other		51			51			—	%
Total revenues		1,455			1,251			16	%
Costs of revenues, excluding depreciation and amortization		(455	)		(405	)		12	%
Selling, general and administrative		(397	)		(336	)		18	%
Add: Amortization of deferred launch incentives		42			35			20	%
Adjusted OIBDA		645			545			18	%
Amortization of deferred launch incentives		(42	)		(35	)		20	%
Depreciation and amortization		(43	)		(39	)		10	%
Restructuring and impairment charges		(3	)		(9	)		(67	)%
Operating income	$	557		$	462			21	%

NM – not meaningful.

Revenues

Distribution revenues increased $112 million. Excluding the impact of foreign currency fluctuations, distribution revenues increased 11%, or $85 million, which is attributable to continued growth of pay television services and subscribers across all regions.

34

Advertising revenues increased $92 million. Excluding the impact of foreign currency fluctuations, advertising revenues increased by 18%, or $76 million, due to improved pricing across all regions as well as from increased viewership at new and rebranded networks which use TLC content.

Costs of Revenues

Costs of revenues, which consist primarily of content expense, distribution costs, and sales commissions, increased $50 million. Excluding the impact of foreign currency fluctuations, cost of revenues increased 10%, or $39 million, due to increased content expense of $27 million for the international rollout of TLC and higher sales commissions across most regions.

Selling, General and Administrative

Selling, general and administrative expenses, which principally comprise employee costs, marketing costs, research costs and occupancy and back office support fees, increased $61 million. Excluding the impact of foreign currency fluctuations, selling, general and administrative expenses increased 9%, or $31 million, attributable to a greater presence in CEEMEA, the international rollout of TLC, and other expenses in Latin America. The variance in foreign currency largely results from working capital revaluations for European and Asian entities.

Adjusted OIBDA

Adjusted OIBDA increased $100 million, primarily due to the growth of television services and subscribers across all regions driving higher distribution and advertising revenues as well as higher costs of revenues and selling, general, and administrative expenses. Changes in foreign currency exchange rates did not significantly impact Adjusted OIBDA.

Education and Other

The following table presents, for our Education and Other segment, revenues by type, certain operating expenses, Adjusted OIBDA, and a reconciliation of Adjusted OIBDA to operating (loss) income (in millions).

	Year Ended December 31,
	2011			2010			% Change
Revenues:
Advertising	$	1		$	1			—	%
Other		161			152			6	%
Total revenues		162			153			6	%
Costs of revenues, excluding depreciation and amortization		(87	)		(91	)		(4	)%
Selling, general and administrative		(52	)		(47	)		11	%
Adjusted OIBDA		23			15			53	%
Depreciation and amortization		(5	)		(6	)		(17	)%
Restructuring and impairment charges		—			(11	)		(100	)%
Operating (loss) income	$	18		$	(2	)		NM

NM – not meaningful.

Revenues

Other revenues increased $9 million, primarily due to continued growth in subscriptions for access to an online streaming service that includes a suite of curriculum-based tools, growth in corporate partnerships, and assessment services for our educational business.

Costs of Revenues

Costs of revenues, which consist principally of content expense, royalty payments, distribution costs and sales commissions, were consistent between 2011 and 2010.

35

Selling, General and Administrative

Selling, general and administrative expenses, which are principally comprised of employee costs, occupancy expenses, back office support fees, and marketing costs, increased $5 million due to higher employee expenses for additional headcount.

Adjusted OIBDA

Adjusted OIBDA increased $8 million, primarily due to continued growth in online streaming services, partially offset by increased employee expenses.

Corporate and Inter-segment Eliminations

The following table presents, for our unallocated corporate amounts, revenues, certain operating expenses, Adjusted OIBDA, and a reconciliation of Adjusted OIBDA to operating loss (in millions).

	Year Ended December 31,
	2011			2010			% Change
Revenues:
Other	$	(1	)	$	6			NM
Total revenues		(1	)		6			NM
Costs of revenues, excluding depreciation and amortization		(2	)		(4	)		(50	)%
Selling, general and administrative		(246	)		(228	)		8	%
Adjusted OIBDA		(249	)		(226	)		10	%
Mark-to-market stock-based compensation		(43	)		(142	)		(70	)%
Depreciation and amortization		(56	)		(64	)		(13	)%
Restructuring and impairment charges		(3	)		(2	)		50	%
Operating loss	$	(351	)	$	(434	)		(19	)%

NM – not meaningful.

Corporate operations primarily consist of executive management, administrative support services, substantially all of our stock-based compensation, and a consolidated joint venture. Consistent with our segment reporting, corporate expenses are excluded from segment results to enable executive management to evaluate business segment performance based upon decisions made directly by business segment executives.

Selling, general and administrative expenses increased $18 million due to higher stock-based compensation expense for equity-settled awards such as stock options, PRSUs, and RSUs that received fixed accounting.

RESULTS OF OPERATIONS – 2010 vs. 2009

Reclassifications

We expanded the types of revenue included in distribution revenue in our consolidated statements of operations during 2011 and reclassified related prior year amounts. Distribution revenues include fees charged for the right to view Discovery network branded content made available to customers through a variety of distribution platforms and viewing devices. The largest component of distribution revenue continues to be fees charged to cable, DTH satellite and telecommunications service providers for distribution rights to Discovery’s television networks. Distribution revenue also includes fees charged for certain licensing arrangements, including those for digital streaming of library content. These fees, which totaled $25 million and $21 million in 2010 and 2009, respectively, were previously classified as other revenue and have been reclassified to distribution revenue to conform to the current presentation.

36

Consolidated Results of Operations – 2010 vs. 2009

Our consolidated results of operation for 2010 and 2009 were as follows (in millions).

	Year Ended December 31,
	2010			2009			% Change
Revenues:
Distribution	$	1,832		$	1,719			7	%
Advertising		1,645			1,427			15	%
Other		296			312			(5	)%
Total revenues		3,773			3,458			9	%
Costs of revenues, excluding depreciation and amortization		1,073			1,044			3	%
Selling, general and administrative		1,185			1,188			—	%
Depreciation and amortization		130			152			(14	)%
Restructuring and impairment charges		25			52			(52	)%
Gains on dispositions		—			(252	)		(100	)%
Total costs and expenses		2,413			2,184			10	%
Operating income		1,360			1,274			7	%
Interest expense, net		(203	)		(248	)		(18	)%
Loss on extinguishment of debt		(136	)		—			NM
Other (expense) income, net		(86	)		13			NM
Income from continuing operations before income taxes		935			1,039			(10	)%
Provision for income taxes		(288	)		(469	)		(39	)%
Income from continuing operations, net of taxes		647			570			14	%
Income (loss) from discontinued operations, net of taxes		22			(6	)		NM
Net income		669			564			19	%
Less net income attributable to noncontrolling interests		(16	)		(15	)		7	%
Net income attributable to Discovery Communications, Inc.		653			549			19	%
Stock dividends to preferred interests		(1	)		(8	)		(88	)%
Net income available to Discovery Communications, Inc. stockholders	$	652		$	541			21	%

NM – not meaningful.

Revenues

Distribution revenues increased $113 million, which was driven by contractual rate increases, subscriber growth and reduced amortization of deferred launch incentives. These increases were partially offset by an $18 million decline for the effect of deconsolidating the U.S. Discovery Kids network in May 2009 and changes in our channel mix in EMEA. Changes in foreign currency exchange rates did not significantly impact distribution revenues.

Advertising revenues increased $218 million, which was attributable to increased pricing, higher inventory utilization, and greater audience delivery. These increases were partially offset by the absence of a $6 million settlement of a prior contract dispute in 2009. Changes in foreign currency exchange rates did not significantly impact advertising revenues.

Other revenues decreased $16 million as a result of an affiliate and advertising sales representation agreement ending in May 2010, transitioning our commerce business model in early 2009, and lower DVD sales at a consolidated joint venture. These decreases were partially offset by an increase in the number of subscriptions to our online curriculum-based education tools. Other revenues were not significantly impacted by changes in foreign currency exchange rates.

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Costs of Revenues

Costs of revenues, which consist primarily of content expense, distribution costs and sales commissions, increased $29 million. The increase in costs of revenues was due to higher content expense, sales commissions, and license fees for music rights. Content expense increased $8 million, reflecting our continued investment in programming. Sales commissions increased $17 million due to improved advertising sales. The increase in license fees for music rights was due to the absence of a $6 million reversal of liabilities recorded in 2009 as a result of changes in estimates for amounts accrued in prior periods. These increases were partially offset by a $7 million decrease for the effect of deconsolidating the U.S. Discovery Kids network in May 2009, an $11 million decline due to the transition of our commerce business model in early 2009, and lower costs related to DVD sales. Cost revenues were not significantly impacted by changes in foreign currency rates.

Selling, General and Administrative

Selling, general and administrative expenses, which principally comprise employee costs, marketing costs, research costs and occupancy and back office support fees, decreased $3 million. Excluding the impact of foreign currency fluctuations, selling, general and administrative expenses increased 1%. The increase was attributable to higher marketing and personnel costs due to increased promotion of our programs, expanded distribution of our international networks, and growth in our education business, partially offset by a decline in stock-based compensation. Stock-based compensation decreased $46 million driven by a decline in the number of outstanding cash-settled awards, which was partially offset by an increase in the fair value of outstanding awards and an increase in the number of stock-settled awards.

Depreciation and Amortization

Depreciation and amortization expense, which includes depreciation of fixed assets and amortization of finite-lived intangible assets, decreased $22 million. The decrease was due primarily to lower property and equipment and finite-lived intangible asset balances, which were attributable to certain assets becoming fully amortized and impairment charges recorded in prior periods.

Restructuring and Impairment Charges

In 2010, we recorded $25 million of restructuring and impairment charges, which were comprised of $14 million of exit and restructuring charges and an $11 million goodwill impairment charge. Exit and restructuring charges for 2010 related to the realignment of our reporting regions at our International Networks segment, cost reduction initiatives in the U.S., and the contribution of the Discovery Health network to OWN. The charges primarily consisted of severance costs associated with the elimination of certain positions and contract termination expenses. The goodwill impairment charge was due to lower than expected operating performance at our postproduction audio business, which is a component of our Education and Other segment.

During 2009, we recorded $52 million of restructuring and impairment charges, which consisted of $26 million related to exit and restructuring charges and $26 million of goodwill impairment charges. The exit and restructuring charges incurred during 2009 related to realignments of portions of our operations to better align our organizational structure with our strategic priorities, the transition of our commerce business to a licensing model, and cost reduction initiatives. The realignment reflected changes to our organizational structure in an effort to centralize certain functions that were previously performed by various departments. The charges primarily consisted of severance costs associated with the elimination of certain positions and contract termination expenses. The impairment charges related to certain intangible assets and software at our U.S. Networks and International Networks segments.

Gains on Dispositions

In connection with deconsolidating the U.S. Discovery Kids network in May 2009, we recorded a pretax gain of $252 million. The gain comprised $125 million for the 50% interest sold to the joint venture partner and $127 million as a result of “stepping up” our basis for the 50% interest retained in the joint venture.

Interest Expense, Net

Interest expense, net decreased $45 million, which was primarily due to changes in the designation and termination of interest rate swaps as a result of refinancing most of our debt in June 2010.

Loss on Extinguishment of Debt

In June 2010, we refinanced most of our outstanding debt. In connection with the repayment of $2.9 billion of existing debt outstanding under our term loans and private senior notes, we recognized a $136 million loss on extinguishment of debt, which included $114 million for make-whole premiums, $12 million of noncash write-offs of unamortized deferred financing costs and $10 million for the repayment of the original issue discount from our term loans.

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Other (Expense) Income, Net

Other (expense) income, net consisted of the following (in millions).

	Year Ended December 31,
	2010			2009
Unrealized gains on derivative instruments, net	$	13		$	26
Realized losses on derivative instruments, net		(42	)		(6	)
Loss from equity investees, net		(57	)		(24	)
Realized gains on sales of investments		—			15
Other, net		—			2
Total other (expense) income, net	$	(86	)	$	13

The change in net realized and unrealized gains (losses) on derivative instruments was primarily due to changes in the designation and termination of interest rate swaps as a result of refinancing most of our debt in June 2010.

The increase in losses from equity method investments was primarily attributable to OWN, which reflects selling, general and administrative costs incurred prior to the launch of the new network on January 1, 2011.

In 2009 we sold investments for $22 million, which resulted in pretax gains of $15 million.

Provision for Income Taxes

For 2010 and 2009, our provisions for income taxes were $288 million and $469 million and the effective tax rates were 31% and 45%, respectively.

Our effective tax rate for 2010 differed from the federal statutory rate of 35% due primarily to the reversal of a $28 million foreign tax reserve, as a result of a foreign tax authority completing its tax audit and providing us notification that certain tax years will not be adjusted and production activity deductions, which were partially offset by state taxes.

Our effective tax rate for 2009 differed from the federal statutory rate of 35% due primarily to a permanent difference on the $252 million gain from deconsolidating the U.S. Discovery Kids network in May 2009 and state income taxes, which were partially offset by deductions for domestic production activities and the release of a valuation allowance of $12 million.

Income (Loss) from Discontinued Operations, Net of Taxes

On September 1, 2010, we sold our Antenna Audio business for net proceeds of $24 million in cash, which resulted in a $9 million gain, net of taxes. We previously recorded a $12 million gain, net of taxes, in our results of operations for the quarter ended September 30, 2010. However, during the quarter ended December 31, 2010 we recorded an adjustment to a deferred tax asset, which reduced the gain by $3 million. Antenna Audio, which provides audio, multimedia and mobile tours for museums, exhibitions, historic sites and visitor attractions around the world, was a component of our International Networks segment.

On September 27, 2010, we received a tax refund, which eliminated a $12 million obligation to repay amounts to AMC, which has been recorded as a benefit in 2010 in income from discontinued operations.

Net Income Attributable to Noncontrolling Interests

The increase in net income attributable to noncontrolling interests was due to higher operating results at consolidated entities that are not wholly owned.

Stock Dividends to Preferred Interests

We declared noncash stock dividends of $1 million and $8 million to our preferred stock shareholder during 2010 and 2009, respectively. We released approximately 43,000 and 254,000 of our Series A common stock and approximately 60,000 and 211,000 of our Series C common stock from escrow during 2010 and 2009, respectively, in payment of most of the dividends declared. We are contractually obligated to issue the dividends upon the issuance of our common stock to settle the exercise of stock options and stock appreciation rights that we assumed in connection with our formation on September 17, 2008. The decrease in dividends declared was due to a lower number of stock options and stock appreciation rights being exercised.

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Segment Results of Operations – 2010 vs. 2009

We evaluate the operating performance of our segments based on financial measures such as revenues and Adjusted OIBDA. Adjusted OIBDA is defined as revenues less costs of revenues and selling, general and administrative expenses excluding: (i) mark-to-market stock-based compensation, (ii) depreciation and amortization, (iii) amortization of deferred launch incentives, (iv) exit and restructuring charges, (v) certain impairment charges, and (vi) gains (losses) on business and asset dispositions. We use this measure to assess the operating results and performance of our segments, perform analytical comparisons, identify strategies to improve performance, and allocate resources to each segment. We believe Adjusted OIBDA is relevant to investors because it allows them to analyze the operating performance of each segment using the same metric management uses and also provides investors a measure to analyze the operating performance of each segment against historical data. We exclude mark-to-market stock-based compensation, exit and restructuring charges, certain impairment charges, and gains (losses) on business and asset dispositions from the calculation of Adjusted OIBDA due to their volatility. We also exclude the depreciation of fixed assets and amortization of intangible assets and deferred launch incentives as these amounts do not represent cash payments in the current reporting period. Adjusted OIBDA should be considered in addition to, but not a substitute for, operating income, net income, cash flows provided by operating activities and other measures of financial performance reported in accordance with GAAP.

Additionally, certain corporate expenses are excluded from segment results to enable executive management to evaluate segment performance based upon decisions made directly by segment executives. Additional financial information for our segments and geographical areas in which we do business is discussed in Note 21 to the consolidated financial statements included in Item 8, “Financial Statements and Supplementary Data” in this Annual Report on Form 10-K.

Total consolidated Adjusted OIBDA was calculated as follows (in millions).

	Year Ended December 31,
	2010			2009			% Change
Revenues:
U.S. Networks	$	2,363		$	2,170			9	%
International Networks		1,251			1,131			11	%
Education and Other		153			148			3	%
Corporate and inter-segment eliminations		6			9			(33	)%
Total revenues		3,773			3,458			9	%
Costs of revenues, excluding depreciation and amortization(1)		(1,073	)		(1,044	)		3	%
Selling, general and administrative(1)		(1,043	)		(983	)		6	%
Add: Amortization of deferred launch incentives(2)		42			55			(24	)%
Adjusted OIBDA	$	1,699		$	1,486			14	%

⁽¹⁾  Costs of revenues and selling, general and administrative expenses exclude mark-to-market stock-based compensation, depreciation and amortization, restructuring and impairment charges, and gains on dispositions.

⁽²⁾  Amortization of deferred launch incentives are included as a reduction of distribution revenues for reporting in accordance with GAAP, but are excluded from Adjusted OIBDA.

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The following table presents our Adjusted OIBDA, by segment, with a reconciliation of total consolidated Adjusted OIBDA to consolidated operating income (in millions).

	Year Ended December 31,
	2010			2009			% Change
Adjusted OIBDA:
U.S. Networks	$	1,365		$	1,229			11	%
International Networks		545			445			22	%
Education and Other		15			16			(6	)%
Corporate and inter-segment eliminations		(226	)		(204	)		11	%
Total Adjusted OIBDA		1,699			1,486			14	%
Amortization of deferred launch incentives		(42	)		(55	)		(24	)%
Mark-to-market stock-based compensation		(142	)		(205	)		(31	)%
Depreciation and amortization		(130	)		(152	)		(14	)%
Restructuring and impairment charges		(25	)		(52	)		(52	)%
Gains on dispositions		—			252			(100	)%
Operating income	$	1,360		$	1,274			7	%

U.S. Networks

The following table presents, for our U.S. Networks segment, revenues by type, certain operating expenses, contra revenue amounts, Adjusted OIBDA, and a reconciliation of Adjusted OIBDA to operating income (in millions).

	Year Ended December 31,
	2010			2009			% Change
Revenues:
Distribution	$	1,054		$	985			7	%
Advertising		1,222			1,082			13	%
Other		87			103			(16	)%
Total revenues		2,363			2,170			9	%
Costs of revenues, excluding depreciation and amortization		(573	)		(544	)		5	%
Selling, general and administrative		(432	)		(418	)		3	%
Add: Amortization of deferred launch incentives		7			21			(67	)%
Adjusted OIBDA		1,365			1,229			11	%
Amortization of deferred launch incentives		(7	)		(21	)		(67	)%
Mark-to-market stock-based compensation		—			(1	)		(100	)%
Depreciation and amortization		(21	)		(30	)		(30	)%
Restructuring and impairment charges		(3	)		(31	)		(90	)%
Gains on dispositions		—			252			(100	)%
Operating income	$	1,334		$	1,398			(5	)%

Revenues

Distribution revenues increased $69 million, primarily due to annual contractual rate increases for fees charged to operators who distribute our networks, an increase in paying subscribers, principally for networks carried on the digital tier, and decreased amortization of deferred launch incentives. These increases were partially offset by an $18 million decrease for the effect of deconsolidating the U.S. Discovery Kids network in May 2009.

Advertising revenues increased $140 million, which was driven by increased pricing in the upfront and scatter markets, higher sellouts, and greater audience delivery, reflecting the improved advertising market.

Other revenues decreased $16 million, which was attributable to lower affiliate and advertising sales representation services for third-party networks and commerce sales. The decrease in affiliate and advertising sales representation services was the result of an agreement ending in May 2010. The decline in commerce sales was due to the transition of our commerce business model in early 2009.

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Costs of Revenues

Costs of revenues, which consist primarily of content expense, sales commissions, and distribution costs, increased $29 million. The increase in costs of revenues was driven by higher content expense and sales commissions. Content expense increased $26 million due to continued investments in our programming. Sales commissions were $7 million higher due to improved advertising sales. These increases were partially offset by a $7 million decrease for the effect of deconsolidating the U.S. Discovery Kids network in May 2009 and an $11 million decline due to the transition of our commerce business model in early 2009.

Selling, General and Administrative

Selling, general and administrative expenses, which principally comprise employee costs, marketing costs, research costs and occupancy and back office support fees, increased $14 million. Increased selling, general and administrative expenses were attributable to higher marketing costs, which were partially offset by lower employee costs as a result of restructurings that eliminated certain positions.

Adjusted OIBDA

Adjusted OIBDA increased $136 million, primarily due to increased advertising sales, growth in distribution revenues and lower employee costs. These improvements were partially offset by increased content expense, sales commissions, and marketing costs, as well as a decline in other revenues and a $10 million decrease for the effect of deconsolidating the U.S. Discovery Kids network in May 2009.

International Networks

The following table presents, for our International Networks segment, revenues by type, certain operating expenses, contra revenue amounts, Adjusted OIBDA, and a reconciliation of Adjusted OIBDA to operating income (in millions).

	Year Ended December 31,
	2010			2009			% Change
Revenues:
Distribution	$	778		$	734			6	%
Advertising		422			344			23	%
Other		51			53			(4	)%
Total revenues		1,251			1,131			11	%
Costs of revenues, excluding depreciation and amortization		(405	)		(403	)		—	%
Selling, general and administrative		(336	)		(317	)		6	%
Add: Amortization of deferred launch incentives		35			34			3	%
Adjusted OIBDA		545			445			22	%
Amortization of deferred launch incentives		(35	)		(34	)		3	%
Depreciation and amortization		(39	)		(38	)		3	%
Restructuring and impairment charges		(9	)		(14	)		(36	)%
Operating income	$	462		$	359			29	%

Revenues

Distribution revenues increased $44 million, which was attributable to growth in the number of paying subscribers in Latin America and an increase in average contractual rates for fees charged to operators who distribute our networks in the U.K. Subscribers increased due to growth in pay television services in those regions. These increases were partially offset by changes in our channel mix in EMEA. Changes in foreign currency exchange rates did not significantly impact distribution revenues.

Advertising revenues, which increased $78 million, were higher in all international regions in which we operate. The increase in advertising revenues was driven by increased pricing in the U.K. Advertising revenues also increased in Latin America, EMEA and Asia-Pacific as a result of higher sellouts and audience delivery. Higher sellouts reflect improvements in the advertising market.

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Increased viewership was driven by growth in pay television services in international markets. These increases were partially offset by the absence of a $6 million settlement of prior contract disputes in 2009. Changes in foreign currency exchange rates did not significantly impact advertising revenues.

Costs of Revenues

Costs of revenues, which consist primarily of content expense, distribution costs, and sales commissions, increased $2 million. Excluding the impact of foreign currency fluctuations, cost of revenues increased 1%. The increase in costs of revenues was due to higher sales commissions and license fees for music rights. Sales commissions increased $8 million due to improved advertising sales. The increase in license fees for music rights was due to the absence of a $6 million reversal of liabilities in 2009 as a result of changes in estimates for amounts accrued in prior periods. These increases were partially offset by a $4 million decline in content expense, reflecting a decline in write-offs.

Selling, General and Administrative

Selling, general and administrative expenses, which principally comprise employee costs, marketing costs, research costs and occupancy and back office support fees, increased $19 million. Excluding the impact of foreign currency fluctuations, selling, general and administrative expenses increased 9%. Increased selling, general and administrative expenses were attributable to the international rollout of the TLC network, expansion in Eastern Europe, and investments in Latin America, which increased employee and marketing costs.

Adjusted OIBDA

Adjusted OIBDA increased $100 million. Excluding the impact of foreign currency fluctuations, Adjusted OIBDA increased 20%, primarily due to increased advertising sales, growth in distribution revenues, and lower content expense. These improvements were partially offset by increased employee and marketing costs, higher sales commissions, and an increase in license fees for music rights.

Education and Other

The following table presents, for our Education and Other segment, revenues by type, certain operating expenses, Adjusted OIBDA, and a reconciliation of Adjusted OIBDA to operating (loss) income (in millions).

	Year Ended December 31,
	2010			2009			% Change
Revenues:
Advertising	$	1		$	1			—	%
Other		152			147			3	%
Total revenues		153			148			3	%
Costs of revenues, excluding depreciation and amortization		(91	)		(90	)		1	%
Selling, general and administrative		(47	)		(42	)		12	%
Adjusted OIBDA		15			16			(6	)%
Depreciation and amortization		(6	)		(6	)		—	%
Restructuring and impairment charges		(11	)		(2	)		NM
Operating (loss) income	$	(2	)	$	8			NM

NM – not meaningful.

Revenues

Other revenues increased $5 million, primarily due to continued growth in subscriptions for access to an online streaming service that includes a suite of curriculum-based tools, which was partially offset by a decline in postproduction audio services. The decline in postproduction audio services was driven by the overall decline in the DVD marketplace.

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Costs of Revenues

Costs of revenues, which consist principally of content expense and royalty payments, were consistent between 2010 and 2009.

Selling, General and Administrative

Selling, general and administrative expenses, which principally comprise employee costs, occupancy and back office support fees and marketing costs, increased $5 million due to higher employee costs as a result of hiring additional personnel to support the growth in our education business.

Adjusted OIBDA

Adjusted OIBDA decreased $1 million, primarily due to a decline in postproduction audio services and increased employee costs, which were partially offset by continued growth in subscriptions to curriculum-based tools offered through our online streaming services.

Corporate and Inter-segment Eliminations

The following table presents, for our unallocated corporate amounts, revenues, certain operating expenses, Adjusted OIBDA, and a reconciliation of Adjusted OIBDA to operating loss (in millions).

	Year Ended December 31,
	2010			2009			% Change
Revenues:
Other	$	6		$	9			(33	)%
Total revenues		6			9			(33	)%
Costs of revenues, excluding depreciation and amortization		(4	)		(7	)		(43	)%
Selling, general and administrative		(228	)		(206	)		11	%
Adjusted OIBDA		(226	)		(204	)		11	%
Mark-to-market stock-based compensation		(142	)		(204	)		(30	)%
Depreciation and amortization		(64	)		(78	)		(18	)%
Restructuring and impairment charges		(2	)		(5	)		(60	)%
Operating loss	$	(434	)	$	(491	)		(12	)%

Corporate operations primarily consist of executive management, administrative support services, substantially all of our stock-based compensation, and a consolidated joint venture. Consistent with our segment reporting, corporate expenses are excluded from segment results to enable executive management to evaluate business segment performance based upon decisions made directly by business segment executives.

Other revenues and costs of revenues both declined $3 million as a result of lower DVD sales at a consolidated joint venture. Selling, general and administrative expenses increased $22 million, which was primarily attributable to a $17 million increase in stock-based compensation expense for equity settled awards such as stock options, PRSUs and RSUs that received fixed accounting. The increase in stock-based compensation was driven by an increase in the number of outstanding awards and the fair value of awards granted during 2010 due to increases in the price of our Series A common stock.

LIQUIDITY AND CAPITAL RESOURCES

Liquidity

Sources and Uses of Cash

Our principal sources of cash are cash and cash equivalents on hand, cash flows from operating activities, available borrowing capacity under our revolving credit facility and access to capital markets. As of December 31, 2011, we had approximately $2.0 billion of total capital resources available, comprised of $1.0 billion of cash and cash equivalents on hand and approximately $1.0 billion available to borrow under our revolving credit facility. As a public company, we may have access to other sources of capital such as the public bond and equity markets. On June 17, 2009, we filed a Registration Statement on Form S-3 (“Shelf Registration”) with the SEC in which we registered securities, including debt securities, common stock and preferred stock. On June 20, 2011, DCL, one of

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our subsidiaries, issued $650 million aggregate principal amount of 4.375% Senior Notes due on June 15, 2021. DCL received net proceeds of $641 million from the offering after deducting underwriting discounts and issuance costs. In total we have issued approximately $4.2 billion of public senior notes under this Shelf Registration. Access to sufficient capital from the public market is not assured.

On August 8, 2011, DCL modified its $1.0 billion revolving credit agreement to extend the expiration date two years to October 12, 2015 and to reduce interest rates and fees. The terms of the arrangement are otherwise consistent with the previous arrangement.

Our primary uses of cash include the creation and acquisition of new content, operating expenditures, discretionary repurchases of stock, income taxes, interest, funding to equity method investees, capital expenditures and business acquisitions. We believe our financial condition is sound and anticipate that our existing cash and cash equivalents on hand, cash generated by operating activities, and cash available to us, considered together, should be sufficient to meet our anticipated cash operating requirements for at least the next twelve months.

We plan to continue to significantly invest in the creation and acquisition of new content. Additional information regarding contractual commitments to acquire content is set forth in the section titled “Commitments and Off-Balance Sheet Arrangements” in Item 7, “Management’s Discussion and Analysis of Results of Operations and Financial Condition” in this Annual Report on Form 10-K.

On August 3, 2010, we implemented a stock repurchase program, pursuant to which we were authorized to purchase up to $1.0 billion of our common stock. On July 27, 2011, our Board of Directors authorized us to purchase an additional $1.0 billion of our common stock under our stock repurchase program. In total, we have been authorized to purchase up to $2.0 billion of our common stock under our repurchase program. We have been funding and expect to continue to fund repurchases through a combination of cash on hand, cash generated by operations, borrowings under our revolving credit facility, and future financing transactions. Under the repurchase program, management is authorized to purchase shares from time to time through open market purchases or privately negotiated transactions at prevailing prices as permitted by securities laws and other legal requirements, and subject to stock price, business conditions, market conditions, and other factors. The repurchase program does not have an expiration date. During 2011, we repurchased 27 million shares of our Series C common stock for $997 million through open market transactions. The repurchases were funded using cash on hand. As of December 31, 2011, we had remaining authorization of $898 million for future repurchases of common stock. The $997 million aggregate purchase price of the acquired stock was recorded in a separate account as a reduction of equity. We repurchased an additional 2.65 million shares of our Series C common stock for $103 million from January 1, 2012 through February 10, 2012.

We have interests in various equity method investees and provide funding to those equity method investees from time to time. As of December 31, 2011, we have an outstanding note receivable including interest accrued from OWN, our equity method investee, which totals $312 million. We currently expect to provide significant additional funding to our equity method investees and expect to recoup amounts funded.

In 2012, we expect our uses of cash to include approximately $215 million for interest payments related to our outstanding indebtedness, and capital lease obligations, and approximately $60 million for capital expenditures. We expect tax payments in 2012 to increase significantly as a result of the expiration of the tax law that allows for the immediate deduction of certain domestic programming costs. Additionally, we expect to continue to make payments to settle vested cash-settled equity awards. Actual amounts expensed and payable for cash-settled awards are dependent on future calculations of fair value which are primarily affected by changes in our stock price or changes in the number of awards outstanding. During 2011, we paid $126 million for cash-settled equity awards. As of December 31, 2011, we accrued $37 million for outstanding cash-settled equity awards, of which $27 million was classified as current.

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Cash Flows

Changes in cash and cash equivalents were as follows (in millions).

	Year Ended December 31,
	2011			2010			2009
Cash and cash equivalents, beginning of period	$	466		$	623		$	94
Cash provided by operating activities		1,100			668			642
Cash (used in) provided by investing activities		(214	)		(190	)		238
Cash used in financing activities		(297	)		(641	)		(356	)
Effect of exchange rate changes on cash and cash equivalents		(7	)		6			5
Net change in cash and cash equivalents		582			(157	)		529
Cash and cash equivalents, end of period	$	1,048		$	466		$	623

Changes in cash and cash equivalents include amounts related to discontinued operations.

Operating Activities

Cash provided by operating activities increased $432 million for the year ended December 31, 2011 as compared to the year ended December 31, 2010. The increase in cash provided by operating activities was driven by increased operating results, a decrease in taxes paid, a decrease in interest payments, and decreases in stock compensation payments for cash settled equity awards. During 2010, there was a $112 million overpayment of tax (“2010 overpayment”) resulting primarily from an extension of the tax law in the fourth quarter of 2010 that allowed for the immediate deduction of certain domestic programming costs. During 2011, we received a $39 million tax refund related to the 2010 overpayment and there was a decrease in tax payments of $107 million primarily attributable to the use of the remaining overpayment carry forward from 2010. The decrease in interest payments was principally the result of $114 million of make-whole premiums paid in 2010 in connection with the refinancing of most of our outstanding debt. The $32 million decrease in payments for cash-settled equity awards was attributable to the decrease in number of outstanding unit awards and SARs. These improvements were partially offset by a $110 million increase in cash used by operating activities attributable to investments in programming.

Cash provided by operating activities for the year ended December 31, 2010 increased by $26 million as compared to the year ended December 31, 2009. The increase in cash provided by operating activities was driven by increased earnings, principally from increased advertising and distribution revenues at our U.S. Networks and International Networks segments, and a decrease of $49 million in tax payments, principally due to a nonrecurring tax payment in 2009 related to the gain on the U.S. Discovery Kids Transaction. These increases were partially offset by $114 million of make-whole premiums paid in connection with refinancing most of our outstanding debt in June 2010 and a $77 million increase in payments for cash-settled equity awards. The increase in payments for cash-settled equity awards was attributable to the increase in fair value of outstanding awards due to the increase in the prices of our Series A common stock and settlements of SARs granted in late 2008 and early 2009 as part of a transition from an existing equity plan under which we typically granted cash-settled awards to a new equity plan under which we typically issue stock-settled awards.

Investing Activities

Cash flows used in investing activities increased $24 million for the year ended December 31, 2011 as compared to the year ended December 31, 2010. The increase was attributable to a $24 million increase in funding to unconsolidated equity method investees and a $9 million increase in payments for purchases of property and equipment. The increase in funding to unconsolidated equity method investees was primarily due to continued investments in OWN, which was launched on January 1, 2011. The increase in cash used in investing activities in 2011 was partially offset by a $12 million decrease in cash used in business acquisitions, net of cash acquired. During 2011 we used $26 million for the acquisition of a factual entertainment production company in the U.K. and a Latin American cable channel. Cash flows used in investing activities for the year ended December 31, 2010 included $35 million for the acquisition of an uplink facility.

Cash used in investing activities for the year ended December 31, 2010 was $190 million as compared to cash provided by investing activities of $238 million for the year ended December 31, 2009. The decline in cash flows from investing activities was due to a decline in cash from business and investment dispositions, an increase in cash used for business acquisitions, and increased funding payments to unconsolidated ventures, which were partially offset by a reduction in capital expenditures. Cash used in investing activities during 2010 consisted of $127 million in funding to our unconsolidated network ventures, payments of $49 million for property and equipment acquisitions and $35 million for the purchase of an uplink facility, which were partially offset by net proceeds of $24 million related to the sale of our Antenna Audio business.

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Cash provided by investing activities for 2009 principally included a $300 million nonrecurring payment received in connection with the Discovery Kids Transaction and $24 million in proceeds from the sale of investments, which were partially offset by $55 million of property and equipment acquisitions and $31 million in funding to our unconsolidated ventures.

Financing Activities

Cash flows used in financing activities decreased $344 million for the year ended December 31, 2011 as compared to the year ended December 31, 2010. The cash flows used in financing activities were principally attributable to repurchases of 27 million shares of Series C common stock for $997 million made pursuant to our stock repurchase program implemented on August 3, 2010, and repayments of our capital lease obligations, partially offset by our issuance of $650 million of senior notes in June 2011 for which we received $641 million of net proceeds. We paid an additional $2 million in financing fees associated with our modified credit agreement.

Cash flows used in financing activities for the year ended December 31, 2010 increased $285 million compared to the year ended December 31, 2009. The increase in cash used in financing activities during 2010 was driven by $2.9 billion of additional repayments made on term loans and private senior notes, $605 million used during 2010 to repurchase shares of the Company’s Series C common and Series C preferred stock, and $148 million paid during 2010 for the acquisition of the remaining 50% ownership interest in the international Animal Planet and Liv networks. The increases in cash flows used in financing activities during 2010 were partially offset by $3.0 billion of additional debt offering proceeds received during 2010, $38 million of additional proceeds received during 2010 for stock options exercised and excess tax benefits from stock-based compensation, and a reduction of repayments made on revolver loans during 2010, since repayments totaled $315 million during 2009.

Capital Resources

As of December 31, 2011, we had approximately $2 billion of total capital resources available, which was comprised of the following (in millions).

	As of December 31, 2011
	Total Capacity		Outstanding Letters of Credit		Outstanding Indebtedness		Unused Capacity
Cash and cash equivalents	$	1,048	$	—	$	—	$	1,048
Revolving credit facility		1,000		1		—		999
Fixed rate public debt:
3.70% Senior Notes, semi-annual interest, due June 2015		850		—		850		—
5.625% Senior Notes, semi-annual interest, due August 2019		500		—		500		—
5.05% Senior Notes, semi-annual interest, due June 2020		1,300		—		1,300		—
4.375% Senior Notes, semi-annual interest, due June 2021		650		—		650		—
6.35% Senior Notes, semi-annual interest, due June 2040		850		—		850		—
		4,150		—		4,150		—
Total	$	6,198	$	1	$	4,150	$	2,047

As of December 31, 2011, $51 million of the Company’s $1.05 billion of cash and cash equivalents was held by our foreign corporations. We intend to permanently reinvest these funds outside of the U.S. and our current plans do not demonstrate a need to repatriate them to fund our U.S. operations. However, if these funds are needed for our operations in the U.S., we would be required to accrue and pay U.S. taxes to repatriate these funds.

Additional information regarding the changes in our outstanding indebtedness and the significant terms and provisions of our revolving credit facility and outstanding indebtedness is discussed in Note 10 to the consolidated financial statements included in Item 8, “Financial Statements and Supplementary Data” in this Annual Report on Form 10-K.

47

COMMITMENTS AND OFF-BALANCE SHEET ARRANGEMENTS

Contractual Obligations

As of December 31, 2011, our significant contractual obligations, including related payments due by period, were as follows (in millions).

	Payments Due by Period
	Total		Less than 1  Year		1-3 Years		3-5 Years		More than  5 Years
Long-term debt:
Principal payments	$	4,150	$	—	$	—	$	850	$	3,300
Interest payments		2,702		208		415		368		1,711
Capital lease obligations
Principal payments		106		26		24		20		36
Interest payments		27		7		9		6		5
Operating lease obligations		306		64		104		65		73
Purchase obligations:
Content		402		336		64		2		—
Other		592		171		175		42		204
Total	$	8,285	$	812	$	791	$	1,353	$	5,329

The above table does not include certain long-term obligations reflected on our consolidated balance sheet as the timing or the amount of the payments cannot be predicted. Such funding obligations include funding commitments to equity method investees. As of December 31, 2011, we are committed to fund up to $234 million to equity method investees, of which $209 million has been funded. Additionally, as of December 31, 2011, we have accrued $37 million for cash-settled stock-based compensation awards, which are remeasured at fair value each reporting period. Reserves for income taxes have been excluded from the above table because we are unable to reasonably predict the ultimate amount or timing of settlement of our reserves for income taxes. Our reserves for income taxes totaled $46 million as of December 31, 2011.

Long-term Debt

Principal payments on long-term debt reflect the repayment of our outstanding senior notes, at face value, assuming repayment will occur upon maturity. Interest payments on our outstanding senior notes are projected based on the notes’ contractual rate and maturity.

Capital Lease Obligations

We acquire satellite transponders and other equipment through multi-year capital lease arrangements. Principal payments on capital lease obligations reflect amounts due under our capital leases agreements. Interest payments on our outstanding capital lease obligations are based on the stated or implied rate in our capital lease agreements.

Operating Lease Obligations

We obtain office space and equipment under multi-year lease arrangements. Most operating leases are not cancelable prior to their expiration. Payments for operating leases represent the amounts due under the agreements assuming the agreements are not canceled prior to their expiration.

Purchase Obligations

Content purchase obligations include obligations for contracts with certain third-party producers for the production of programming that airs on our television networks. Production contracts generally require us to purchase a specified number of episodes of the program. Content purchase obligations also include program licenses that typically require payments over the terms of the licenses. Licensed programming includes both programs that have been delivered and are available for airing and programs that have not yet been produced. If the programs are not produced, our commitments would generally expire without obligation. We expect to enter into additional production contracts and program licenses to meet our future programming needs.

48

Other purchase obligations include multi-year agreements with certain vendors and suppliers for the purchase of goods and services whereby the underlying agreements are enforceable, legally binding and specify all significant terms. Significant purchase obligations include transmission services, television rating services, marketing research, employment contracts, equipment purchases, and information technology and other services. These contracts typically do not require the purchase of fixed or minimum quantities and generally may be terminated with a 30-day to 60-day advance notice without penalty. Amounts related to employment contracts include base compensation and do not include compensation contingent on future events.

Guarantees

We have guaranteed a certain level of operating performance for The Hub joint venture through December 2015, which is achieved over time as the network operates. As of December 31, 2011, the maximum amount potentially due under this guarantee was less than $160 million. The maximum exposure to loss is expected to decline to zero during 2015. Additional information regarding our guarantee is discussed in Note 4 to the consolidated financial statements included in Item 8, “Financial Statements and Supplementary Data” in this Annual Report on Form 10-K.

Off-Balance Sheet Arrangements

We have no material off-balance sheet arrangements (as defined in Item 303(a)(4) of Regulation S-K) that have or are reasonably likely to have a current or future effect on our financial condition, changes in financial condition, revenues or expenses, results of operations, liquidity, capital expenditures or capital resources.

RELATED PARTY TRANSACTIONS

In the ordinary course of business we enter into transactions with related parties, primarily companies in which we have an interest accounted for under the equity method and Liberty Global, Inc., Liberty Interactive, Liberty Media and Ascent Media Corporation and their respective subsidiaries and affiliates. Information regarding transactions and amounts with related parties is discussed in Note 19 to the consolidated financial statements included in Item 8, “Financial Statements and Supplementary Data” in this Annual Report on Form 10-K.

NEW ACCOUNTING AND REPORTING PRONOUNCEMENTS

We adopted certain accounting and reporting standards during 2011. Information regarding our adoption of new accounting and reporting standards is discussed in Note 2 to the consolidated financial statements included in Item 8, “Financial Statements and Supplementary Data” in this Annual Report on Form 10-K.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES

The Company’s consolidated financial statements are prepared in accordance with GAAP, which requires management to make estimates, judgments and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Management considers an accounting policy to be critical if it is important to the Company’s financial condition and results of operations, and if it requires significant judgment and estimates on the part of management in its application. The development and selection of these critical accounting policies have been determined by management and the related disclosures have been reviewed with the Audit Committee of the Board of Directors of the Company. The Company considers policies relating to the following matters to be critical accounting policies:

• Revenue Recognition;

• Goodwill and Intangible Assets;

• Income Taxes;

• Content Rights;

• Stock-based Compensation; and

• Equity Method Investments.

For a discussion of each of the Company’s critical accounting policies, including information and analysis of estimates and assumptions involved in their application, and other significant accounting policies, see Note 2 to the consolidated financial statements included in Item 8, “Financial Statements and Supplementary Data” in this Annual Report on Form 10-K.

49

ITEM 7A. Quantitative and Qualitative Disclosures about Market Risk.

Our financial position, earnings and cash flows are exposed to market risks and can be affected by, among other things, economic conditions, interest rate changes, foreign currency fluctuations, and changes in the market values of investments. We have established policies, procedures and internal processes governing our management of market risks and the use of financial instruments to manage our exposure to such risks. We may use derivative financial instruments to modify our exposure to market risks from changes in interest rates and foreign exchange rates. We do not use derivative financial instruments unless there is an underlying exposure. Therefore, we do not hold or enter into financial instruments for speculative trading purposes.

Interest Rates

We are exposed to the impact of interest rate changes primarily through our borrowing activities. As of December 31, 2011, we had outstanding $4.2 billion under various public senior notes with fixed interest rates. Additionally, we have access to a $1.0 billion revolving credit facility, with no amounts outstanding as of December 31, 2011. If we were to draw on the revolving credit facility, interest would be variable based on an underlying index rate. The nature and amount of our long-term debt may vary as a result of market conditions and other factors.

Fixed and variable rate debts are impacted differently by changes in interest rates. A change in the interest rate or yield of fixed rate debt will impact the fair market value of such debt, while a change in the interest rate of variable debt will impact interest expense and the cash required to service such debt. Our objectives in managing exposure to interest rate changes are to limit the impact of interest rate volatility on earnings and cash flows and to lower our overall borrowing costs. To achieve these objectives, we may use interest rate swaps to manage our net exposure to interest rate changes related to our outstanding indebtedness. For fixed rate debt, we may enter into variable interest rate swaps, effectively converting fixed rate borrowings to variable rate borrowings indexed to LIBOR, in order to reduce the amount of interest paid. For variable rate debt, we may enter into fixed interest rate swaps to effectively fix the amount of interest paid in order to mitigate the impact of interest rate changes on earnings. There were no interest rate swaps outstanding as of December 31, 2011.

As of December 31, 2011, the fair value of our outstanding public senior notes was $4.6 billion. The potential change in fair value of these senior notes from an adverse 100 basis-point change in quoted interest rates across all maturities, often referred to as a parallel shift in the yield curve, would be approximately $394 million as of December 31, 2011.

Foreign Currency Exchange Rates

We transact business globally and are subject to risks associated with changing foreign currency exchange rates. Through December 31, 2011, our International Networks segment reported into the following four regions: Western Europe, CEEMEA, Asia-Pacific, and Latin America. Cash is managed from our four international regions with net earnings reinvested locally and working capital requirements met from existing liquid funds. To the extent such funds are not sufficient to meet working capital requirements, draw downs in the appropriate local currency are available from intercompany borrowings. Since earnings of our international operations are expected to be reinvested in those businesses indefinitely, we do not hedge our investment in the net assets of those foreign operations.

The functional currency of substantially all of our international subsidiaries is the local currency. The financial statements of our foreign corporations are translated into U.S. dollars as part of our consolidated financial reporting. As a result, fluctuations in exchange rates affect our financial position and results of operations. The majority of our foreign currency exposure is to the British pound and the Euro.

We may enter into spot, forward and option contracts that change in value as foreign currency exchange rates change to hedge certain exposures associated with the cost for producing or acquiring programming abroad. These contracts hedge forecasted foreign currency transactions in order to mitigate fluctuations in our earnings and cash flows associated with changes in foreign currency exchange rates. Our objective in managing exposure to foreign currency fluctuations is to reduce volatility of earnings and cash flows. We did not hold any foreign currency derivative instruments at December 31, 2011.

Market Values of Investments

We had investments in entities accounted for using the equity method and highly liquid instruments such as mutual funds that are accounted for at fair value. The carrying values of investments in equity method investees were $807 million and the carrying values of investments in mutual funds totaled $711 million at December 31, 2011. Investments in mutual funds include both fixed rate and floating rate interest earning securities that carry a degree of interest rate risk. Fixed rate securities may have their fair market value adversely impacted due to a rise in interest rates, while floating rate securities may produce less income than predicted if interest rates fall. Due in part to these factors, our income from such investments may decrease in the future. A hypothetical 100 basis-point increase in interest rates would not materially impact the fair values of our investments in mutual funds as of December 31, 2011.

50

ITEM 8. Financial Statements and Supplementary Data.

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

	Page
Management’s Report on Internal Control Over Financial Reporting		52
Report of Independent Registered Public Accounting Firm		53
Consolidated Financial Statements of Discovery Communications, Inc.:
Consolidated Balance Sheets as of December 31, 2011 and 2010		54
Consolidated Statements of Operations for the Years Ended December 31, 2011, 2010, and 2009		55
Consolidated Statements of Cash Flows for the Years Ended December 31, 2011, 2010, and 2009		56
Consolidated Statements of Equity for the Years Ended December 31, 2011, 2010, and 2009		58
Notes to Consolidated Financial Statements		59

51

MANAGEMENT’S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING

Management of Discovery Communications, Inc. (the “Company”) is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Rule 13a-15(f) and Rule 15d-15(f) of the Securities Exchange Act of 1934, as amended. The Company’s internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and disposition of the assets of the Company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and provide reasonable assurance that receipts and expenditures of the Company are being made only in accordance with authorizations of management and the directors of the Company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the Company’s assets that could have a material effect on the consolidated financial statements.

Internal control over financial reporting is designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements prepared for external purposes in accordance with generally accepted accounting principles. Because of the inherent limitations in any internal control, no matter how well designed, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

The Company’s management, with the participation of its Chief Executive Officer and Chief Financial Officer, conducted an evaluation of the effectiveness of the Company’s system of internal control over financial reporting as of December 31, 2011 based on the framework set forth in Internal Control – Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on its evaluation, management concluded that, as of December 31, 2011, the Company’s internal control over financial reporting was effective based on the specified criteria.

The effectiveness of the Company’s internal control over financial reporting as of December 31, 2011 has been audited by PricewaterhouseCoopers LLP, an independent registered public accounting firm, as stated in their report in Item 8 of Part II of this Annual Report on Form 10-K under the caption “Report of Independent Registered Public Accounting Firm.”

52

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To Board of Directors and

Stockholders of Discovery Communications, Inc.:

In our opinion, the accompanying consolidated balance sheets and the related consolidated statements of operations, of equity, and of cash flows present fairly, in all material respects, the financial position of Discovery Communications, Inc. and its subsidiaries at December 31, 2011 and December 31, 2010, and the results of their operations and their cash flows for each of the three years in the period ended December 31, 2011 in conformity with accounting principles generally accepted in the United States of America. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2011, based on criteria established in Internal Control - Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). The Company’s management is responsible for these financial statements, for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Report on Internal Control over Financial Reporting. Our responsibility is to express opinions on these financial statements and on the Company’s internal control over financial reporting based on our integrated audits. We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the financial statements are free of material misstatement and whether effective internal control over financial reporting was maintained in all material respects. Our audits of the financial statements included examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, and evaluating the overall financial statement presentation. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions.

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ PricewaterhouseCoopers LLP

McLean, Virginia

February 17, 2012

53

DISCOVERY COMMUNICATIONS, INC.

CONSOLIDATED BALANCE SHEETS

(in millions, except par value)

	As of December 31,
	2011			2010
ASSETS
Current assets:
Cash and cash equivalents	$	1,048		$	466
Receivables, net		1,042			880
Content rights, net		93			83
Deferred income taxes		73			81
Prepaid expenses and other current assets		175			225
Total current assets		2,431			1,735
Noncurrent content rights, net		1,302			1,245
Property and equipment, net		379			399
Goodwill		6,291			6,434
Intangible assets, net		571			605
Equity method investments		807			455
Other noncurrent assets		132			146
Total assets	$	11,913		$	11,019
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable	$	53		$	87
Accrued liabilities		482			393
Deferred revenues		113			114
Current portion of stock-based compensation liabilities		27			118
Current portion of long-term debt		26			20
Other current liabilities		45			53
Total current liabilities		746			785
Long-term debt		4,219			3,598
Deferred income taxes		337			304
Other noncurrent liabilities		92			99
Total liabilities		5,394			4,786
Commitments and contingencies (See Note 20)
Equity:
Discovery Communications, Inc. stockholders’ equity:
Series A convertible preferred stock: $0.01 par value; 75 shares authorized; 71 shares issued at 2011 and 2010		1			1
Series C convertible preferred stock: $0.01 par value; 75 shares authorized; 57 shares issued at 2011 and 2010		1			1
Series A common stock: $0.01 par value; 1,700 shares authorized; 142 and 138 shares issued at 2011 and 2010, respectively		1			1
Series B convertible common stock: $0.01 par value; 100 shares authorized; 7 shares issued at 2011 and 2010		—			—
Series C common stock: $0.01 par value; 2,000 shares authorized; 142 shares issued at 2011 and 2010		2			2
Additional paid-in capital		6,505			6,358
Treasury stock, at cost: 30 and 3 Series C common shares at 2011 and 2010, respectively		(1,102	)		(105	)
Retained earnings		1,132			—
Accumulated other comprehensive loss		(23	)		(33	)
Total Discovery Communications, Inc. stockholders’ equity		6,517			6,225
Noncontrolling interests		2			8
Total equity		6,519			6,233
Total liabilities and equity	$	11,913		$	11,019

The accompanying notes are an integral part of these consolidated financial statements.

54

DISCOVERY COMMUNICATIONS, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS

(in millions, except per share amounts)

	Year Ended December 31,
	2011			2010			2009
Revenues:
Distribution	$	2,070		$	1,832		$	1,719
Advertising		1,852			1,645			1,427
Other		313			296			312
Total revenues		4,235			3,773			3,458
Costs and expenses:
Costs of revenues, excluding depreciation and amortization		1,233			1,073			1,044
Selling, general and administrative		1,183			1,185			1,188
Depreciation and amortization		119			130			152
Restructuring and impairment charges		30			25			52
Gains on dispositions		(129	)		—			(252	)
Total costs and expenses		2,436			2,413			2,184
Operating income		1,799			1,360			1,274
Interest expense, net		(208	)		(203	)		(248	)
Loss on extinguishment of debt		—			(136	)		—
Other (expense) income, net		(32	)		(86	)		13
Income from continuing operations before income taxes		1,559			935			1,039
Provision for income taxes		(425	)		(288	)		(469	)
Income from continuing operations, net of taxes		1,134			647			570
(Loss) income from discontinued operations, net of taxes		(1	)		22			(6	)
Net income		1,133			669			564
Net income attributable to noncontrolling interests		(1	)		(16	)		(15	)
Net income attributable to Discovery Communications, Inc.		1,132			653			549
Stock dividends to preferred interests		—			(1	)		(8	)
Net income available to Discovery Communications, Inc. stockholders	$	1,132		$	652		$	541
Income per share from continuing operations available to Discovery Communications, Inc. stockholders:
Basic	$	2.82		$	1.48		$	1.29
Diluted	$	2.80		$	1.47		$	1.29
(Loss) income per share from discontinued operations available to Discovery Communications, Inc. stockholders:
Basic	$	—		$	0.05		$	(0.01	)
Diluted	$	—		$	0.05		$	(0.01	)
Net income per share available to Discovery Communications, Inc. stockholders:
Basic	$	2.82		$	1.53		$	1.28
Diluted	$	2.80		$	1.52		$	1.27
Weighted average shares outstanding:
Basic		401			425			423
Diluted		405			429			425

Income per share amounts may not sum since each is calculated independently.

The accompanying notes are an integral part of these consolidated financial statements.

55

DISCOVERY COMMUNICATIONS, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(in millions)

	Year Ended December 31,
	2011			2010			2009
Operating Activities
Net income	$	1,133		$	669		$	564
Adjustments to reconcile net income to cash provided by operating activities:
Stock-based compensation		99			182			228
Depreciation and amortization		119			132			155
Content amortization and impairment expense		846			715			709
Gains on dispositions		(129	)		(9	)		(252	)
Equity in losses and distributions from investee companies		65			72			28
Other, net		109			58			44
Changes in operating assets and liabilities:
Receivables, net		(179	)		(81	)		(37	)
Content rights		(884	)		(774	)		(758	)
Accounts payable and accrued liabilities		6			(1	)		28
Stock-based compensation liabilities		(126	)		(158	)		(81	)
Income tax receivable		72			(107	)		—
Other, net		(31	)		(30	)		14
Cash provided by operating activities		1,100			668			642
Investing Activities
Purchases of property and equipment		(58	)		(49	)		(55	)
Business acquisitions, net of cash acquired		(26	)		(38	)		—
Proceeds from dispositions, net		—			24			300
Investment proceeds		21			—			24
Investments in, advances to and payments on behalf of equity investees		(151	)		(127	)		(31	)
Cash (used in) provided by investing activities		(214	)		(190	)		238
Financing Activities
Net repayments of revolver loans		—			—			(315	)
Borrowings from long-term debt, net of discount and issuance costs		639			2,970			970
Principal repayments of long-term debt		—			(2,883	)		(1,012	)
Principal repayments of capital lease obligations		(20	)		(10	)		(14	)
Repurchases of common and preferred stock		(997	)		(605	)		—
Purchase of noncontrolling interests		—			(148	)		—
Cash distributions to noncontrolling interests		(7	)		(31	)		(13	)
Proceeds from stock option exercises		60			47			28
Excess tax benefits from stock-based compensation		28			19			—
Cash used in financing activities		(297	)		(641	)		(356	)
Effect of exchange rate changes on cash and cash equivalents		(7	)		6			5
Net change in cash and cash equivalents		582			(157	)		529
Cash and cash equivalents, beginning of period		466			623			94
Cash and cash equivalents, end of period	$	1,048		$	466		$	623

The accompanying notes are an integral part of these consolidated financial statements.

56

DISCOVERY COMMUNICATIONS, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS (continued)

(in millions)

	Year Ended December 31,
	2011			2010		2009
Supplemental Cash Flow Information
Cash paid for interest, net:
Periodic interest payments for debt, interest rate swaps and capital lease obligations	$	205		$	217	$	242
Make-whole premiums, termination payments and repayment of original issue discount		—			148		3
Total cash paid for interest, net	$	205		$	365	$	245
Cash paid for taxes, net	$	288		$	395	$	444
Noncash Investing and Financing Transactions
Investment in OWN	$	273		$	—	$	—
Assets acquired under capital lease arrangements	$	—		$	28	$	61
Stock dividends to preferred interests	$	—		$	1	$	8
Acquisitions
Fair value of assets	$	35		$	38	$	—
Fair value of liabilities		(9	)		—		—
Cash paid, net of cash acquired	$	26		$	38	$	—

The accompanying notes are an integral part of these consolidated financial statements.

57

DISCOVERY COMMUNICATIONS, INC.

CONSOLIDATED STATEMENTS OF EQUITY

(in millions)

	Discovery Communications, Inc. Stockholders
	Preferred Stock		Common Stock		Additional Paid-In Capital			Treasury Stock			(Accumulated Deficit)/ Retained Earnings			Accumulated Other Comprehensive Loss			Discovery Communications, Inc. Stockholders’ Equity			Noncontrolling Interests			Total Equity
As of December 31, 2008	$	2	$	3	$	6,545		$	—		$	(936	)	$	(78	)	$	5,536		$	21		$	5,557
Comprehensive income:
Net income		—		—		—			—			549			—			549			15			564
Foreign currency translation adjustments, net		—		—		—			—			—			27			27			—			27
Market value adjustments and reclassifications for securities and derivatives, net		—		—		—			—			—			30			30			—			30
Total comprehensive income		—		—		—			—			—			—			606			15			621
Stock dividends declared to preferred interests		—		—		(8	)		—			—			—			(8	)		—			(8	)
Stock dividends released to preferred interests		—		—		7			—			—			—			7			—			7
Cash distributions to noncontrolling interest		—		—		—			—			—			—			—			(13	)		(13	)
Stock-based compensation		—		—		23			—			—			—			23			—			23
Issuance of common stock in connection with stock-based plans and other		—		—		28			—			—			—			28			—			28
Reversal of deferred tax liability related to DHC’s investment in DCH		—		—		5			—			—			—			5			—			5
As of December 31, 2009		2		3		6,600			—			(387	)		(21	)		6,197			23			6,220
Comprehensive income:
Net income		—		—		—			—			653			—			653			16			669
Foreign currency translation adjustments, net		—		—		—			—			—			(19	)		(19	)		—			(19	)
Market value adjustments and reclassifications for securities and derivatives, net		—		—		—			—			—			7			7			—			7
Total comprehensive income		—		—		—			—			—			—			641			16			657
Stock dividends declared to preferred interests		—		—		(1	)		—			—			—			(1	)		—			(1	)
Stock dividends released to preferred interests		—		—		2			—			—			—			2			—			2
Repurchases of preferred stock		—		—		(234	)		—			(266	)		—			(500	)		—			(500	)
Repurchases of common stock		—		—		—			(105	)		—			—			(105	)		—			(105	)
Cash distributions to noncontrolling interest		—		—		—			—			—			—			—			(31	)		(31	)
Stock-based compensation		—		—		42			—			—			—			42			—			42
Excess tax benefits from stock-based compensation		—		—		19			—			—			—			19			—			19
Issuance of common stock in connection with stock-based plans and other		—		—		47			—			—			—			47			—			47
Purchase of noncontrolling interest		—		—		(117	)		—			—			—			(117	)		—			(117	)
As of December 31, 2010		2		3		6,358			(105	)		—			(33	)		6,225			8			6,233
Comprehensive income:
Net income		—		—		—			—			1,132			—			1,132			1			1,133
Foreign currency translation adjustments, net		—		—		—			—			—			10			10			—			10
Total comprehensive income		—		—		—			—			—			—			1,142			1			1,143
Repurchases of common stock		—		—		—			(997	)		—			—			(997	)		—			(997	)
Cash distributions to noncontrolling interest		—		—		—			—			—			—			—			(7	)		(7	)
Stock-based compensation		—		—		59			—			—			—			59			—			59
Excess tax benefits from stock-based compensation		—		—		28			—			—			—			28			—			28
Issuance of common stock in connection with stock-based plans and other		—		—		60			—			—			—			60			—			60
As of December 31, 2011	$	2	$	3	$	6,505		$	(1,102	)	$	1,132		$	(23	)	$	6,517		$	2		$	6,519

The accompanying notes are an integral part of these consolidated financial statements.

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DISCOVERY COMMUNICATIONS, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 1. DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION

Description of Business

Discovery Communications, Inc. (“Discovery” or the “Company”) is a leading nonfiction media and entertainment company that provides programming across multiple distribution platforms throughout the world and owns and operates a diversified portfolio of website properties and other digital media services. The Company also develops and sells curriculum-based education products and services as well as postproduction audio services in the U.S. and internationally. The Company classifies its operations in three segments: U.S. Networks, consisting principally of domestic cable and satellite television networks, websites and other digital media services; International Networks, consisting primarily of international cable and satellite television networks and websites; and Education and Other, consisting principally of curriculum-based education product and service offerings and postproduction audio services. Financial information for Discovery’s reportable segments is discussed in Note 21.

Basis of Presentation

The consolidated financial statements include the accounts of Discovery, its majority-owned subsidiaries in which a controlling interest is maintained. Inter-company accounts and transactions between consolidated entities have been eliminated in consolidation.

Discontinued Operations

During 2010, the Company sold its Antenna Audio business and received a tax refund related to Ascent Capital Group (“ACG”), an entity spun off in 2008. (See Note 3.) The revenues and expenses of Antenna Audio and activity associated with ACG have been combined and reported as discontinued operations. The assets, liabilities and cash flows of discontinued operations were not material and, therefore, have not been separately reported as discontinued operations.

Reclassifications

Certain reclassifications have been made to the 2010 and 2009 amounts to conform to the 2011 financial information presentation. These reclassifications primarily result from the expansion of the types of revenue included in distribution revenue in the consolidated statements of operations for the year ended December 31, 2011. Distribution revenues now include fees charged for the right to view the Company’s network branded content made available to customers through a variety of distribution platforms and viewing devices. The largest component of distribution revenue continues to be fees charged to cable, direct-to-home (“DTH”) satellite and telecommunications service providers for distribution rights to Discovery’s television networks. Distribution revenues also include fees charged for certain licensing arrangements, including those for digital streaming of library content, which totaled $109 million for the year ended December 31, 2011. These fees, which totaled $25 million and $21 million for the years ended December 31, 2010 and 2009, were previously classified as other revenue and have been reclassified to distribution revenue to conform to the current presentation.

NOTE 2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Accounting and Reporting Pronouncements Adopted

Testing for Goodwill Impairment

In September 2011, the Financial Accounting Standards Board (“FASB”) issued guidance which is intended to reduce the cost and complexity of the annual goodwill impairment test by providing entities an option to perform a qualitative assessment to determine whether the quantitative two-step annual goodwill impairment test is necessary. If an entity believes as a result of its qualitative assessment that it is more likely than not that the fair value of a reporting unit is greater than its carrying amount, the quantitative impairment test is not required. The Company adopted the new guidance effective October 1, 2011 and applied it to the Company’s November 30, 2011 annual impairment test. Based on the Company’s qualitative assessment, the Company did not perform the quantitative impairment test for any reporting units except Commerce, a component of the U.S. Networks segment. Based on changes in the long-term projections for the Commerce reporting unit, the Company performed Step 1 of the quantitative goodwill impairment test. (See Note 9.)

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A Creditor’s Determination of Whether a Restructuring Is a Troubled Debt Restructuring

In April 2011, the FASB issued new accounting guidance related to identifying and disclosing troubled debt restructurings (“TDRs”). This guidance provides clarification in assessing whether a creditor has granted a concession and whether a debtor is experiencing financial difficulties for the purpose of determining whether a restructuring constitutes a TDR. The Company adopted this new guidance effective July 1, 2011. The adoption of the new guidance did not impact the Company’s consolidated financial statements.

Fair Value Measurements

In January 2010, the FASB issued guidance that requires additional disclosures about recurring and nonrecurring fair value measurements, including significant transfers into and out of Level 1 and Level 2 of the fair value measurement hierarchy, and separately presenting information regarding purchases, sales, issuances, and settlements in the reconciliation of Level 3 fair value measurements. The Company prospectively adopted the new guidance effective January 1, 2010, except for Level 3 reconciliation disclosures, which was effective for the Company on January 1, 2011. The adoption of the new guidance did not impact the Company’s consolidated financial statements.

Revenue Recognition for Multiple-Element Revenue Arrangements

In October 2009, the FASB issued guidance that changed the determination of when the individual deliverables included in a multiple-element revenue arrangement may be treated as separate units of accounting, modified the manner in which the arrangement consideration is allocated across the separately identified deliverables, and expanded the disclosures required for multiple-element revenue arrangements. Under the new guidance, the Company must allocate the arrangement consideration to each deliverable based on management’s estimate of the price at which each element would be separately sold, if vendor specific information or third party evidence of selling price is not available. The Company prospectively adopted the new guidance effective January 1, 2011. The adoption of the new guidance did not impact the Company’s consolidated financial statements.

Variable Interest Entities

In June 2009, the FASB amended the guidance for interests in VIEs. Among other matters, the guidance amended the approach for determining the primary beneficiary of a VIE by requiring an analysis that places more reliance on qualitative rather than quantitative factors, continuous assessments of whether an entity is the primary beneficiary of a VIE and enhanced disclosures about an entity’s involvement with a VIE. Effective January 1, 2010, the Company retrospectively adopted the new guidance, which resulted in the Company deconsolidating The Oprah Winfrey Network (“OWN”) and Animal Planet Japan (“APJ”) ventures and using the equity method to account for its interests in them.

Accounting and Reporting Pronouncements Not Yet Adopted

Fair Value Measurements

In May 2011, the FASB and the International Accounting Standards Board (“IASB”) issued guidance which results in a consistent definition between U.S. Generally Accepted Accounting Principles (“GAAP”) and International Financial Reporting Standards (“IFRS”) of fair value and common requirements for measurement of and disclosure about fair value. There are several changes under the new guidance. The highest and best use valuation concepts are only relevant when measuring the fair value of nonfinancial assets. The prohibition of the application of a blockage factor extends to all financial measurements. The Company must disclose quantitative information about unobservable inputs used to assess fair value and provide a qualitative discussion about the sensitivity of the measurements for recurring Level 3 fair value measurements. The Company will prospectively adopt the new guidance effective January 1, 2012. The Company does not expect that the adoption of this update will have a material impact on its financial statements.

Comprehensive Income

In June 2011, the FASB issued guidance eliminating the current option to report other comprehensive income and its components in the statement of changes in equity. Entities may elect to present items of net income and other comprehensive income in one continuous statement or in two separate, but consecutive, statements. Under the new guidance, each component of net income and each component of other comprehensive income, together with totals for comprehensive income and its two parts, net income and other comprehensive income, are required to be disclosed under either alternative. The guidance is effective January 1, 2012, but early adoption is permitted. The Company does not expect that the adoption of this update will have a material impact on its financial statements.

Use of Estimates

The preparation of financial statements in accordance with GAAP requires management to make estimates, judgments and assumptions that affect the amounts and disclosures reported in the consolidated financial statements and accompanying notes. Management continually re-evaluates its estimates, judgments and assumptions and management’s assessments could change. Actual results may differ from those estimates and could have a material impact on the consolidated financial statements.

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Significant estimates inherent in the preparation of the consolidated financial statements include accounting for asset impairments, revenue recognition, allowances for doubtful accounts, content rights, depreciation and amortization, business combinations, stock-based compensation, income taxes, contingencies and the determination of whether the Company is the primary beneficiary of entities in which it holds variable interests.

Consolidation

The Company has ownership and other interests in various entities, including corporations, partnerships, and limited liability companies. For each such entity, the Company evaluates its ownership and other interests to determine whether it should consolidate the entity or account for its ownership interest as an investment. As part of its evaluation, the Company initially determines whether the entity is a VIE and, if so, whether it is the primary beneficiary of the VIE. An entity is generally a VIE if it meets any of the following criteria (i) the entity has insufficient equity to finance its activities without additional subordinated financial support from other parties, (ii) the equity investors cannot make significant decisions about the entity’s operations, or (iii) the voting rights of some investors are not proportional to their obligations to absorb the expected losses of the entity or receive the expected returns of the entity and substantially all of the entity’s activities involve or are conducted on behalf of the investor with disproportionately few voting rights. The Company consolidates VIEs for which it is the primary beneficiary, regardless of its ownership or voting interests. The primary beneficiary is the party involved with the VIE that (i) has the power to direct the activities of the VIE that most significantly impact the VIE’s economic performance, and (ii) has the obligation to absorb losses of the VIE that could potentially be significant to the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE. However, the amount of expected losses, expected residual returns, and expected variability is not the sole determinant as to whether the Company has these obligations or rights. The Company periodically makes judgments in determining whether entities in which it invests are VIEs. If so, the Company determines whether it is required to consolidate the entity.

If it is concluded that an entity is not a VIE, then the Company considers its proportional voting interests in the entity. The Company consolidates majority-owned subsidiaries in which a controlling interest is maintained. Controlling interest is determined by majority ownership and the absence of significant third-party participating rights.

Ownership interests in entities for which the Company has significant influence and are not consolidated under the Company’s consolidation policy are accounted for as equity method investments. Related party transactions between the Company and its equity method investees have not been eliminated.

Investments

The Company has held investments in equity method investees and other marketable securities such as mutual funds and U.S. Treasury securities.

Investments in equity method investees are those for which the Company has the ability to exercise significant influence but does not control and is not the primary beneficiary. Significant influence typically exists if the Company has a 20% to 50% ownership interest in the venture. Under this method of accounting, the Company records its proportionate share of the net earnings or losses of equity method investees and a corresponding increase or decrease to the investment balances. Cash payments to equity method investees such as additional investments, loans and advances and expenses incurred on behalf of investees, as well as payments from equity method investees such as dividends, distributions and repayments of loans and advances are recorded as adjustments to investment balances. The Company evaluates its equity method investments for impairment whenever events or changes in circumstances indicate that the carrying amounts of such investments may not be recoverable. (See Asset Impairment Analysis below.)

Investments in entities over which the Company has no control or significant influence and is not the primary beneficiary and investments in other securities are accounted for at fair value or cost. Investments in securities with readily determinable fair values are accounted for at fair value, based on quoted market prices, and classified as either trading securities or available-for-sale securities. For investments classified as trading securities, which include securities held in a separate trust in connection with the Company’s deferred compensation plan, unrealized and realized gains and losses related to the investment and corresponding liability are recorded in earnings. For investments classified as available-for-sale securities, which include investments in mutual funds, unrealized gains and losses are recorded net of income taxes in other comprehensive income (loss) until the security is sold or considered impaired. If declines in the value of available-for-sale securities are determined to be other than temporary, a loss is recorded in earnings in the current period. Impairments are determined based on, among other factors, the length of time the fair value of the investment has been less than the carrying value, future business prospects for the investee, and information regarding market and industry trends for the investee’s business, if available. For purposes of computing realized gains and losses, the Company determines cost on a specific identification basis.

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Foreign Currency

The functional currency of most of the Company’s international subsidiaries is the local currency. Assets and liabilities denominated in foreign currencies are translated at exchange rates in effect at the balance sheet date. Foreign currency equity balances are translated at historical rates. Revenues and expenses denominated in foreign currencies are translated at average exchange rates for the respective periods. Foreign currency translation adjustments are recorded in other comprehensive income (loss). Foreign currency transaction gains and losses are included in operating income and total a loss of $12 million, a gain of $8 million, and zero for 2011, 2010, and 2009, respectively.

Discontinued Operations

In determining whether a group of assets disposed of should be presented as a discontinued operation, the Company initially makes a determination as to whether the group of assets comprises a component of the entity, which requires clearly distinguishable cash flows from the rest of the entity. The Company also determines whether the cash flows associated with the component have been or will be significantly eliminated from the ongoing operations of the Company as a result of the disposal transaction and whether the Company will have significant continuing involvement in the operations of the component subsequent to the disposal transaction. If the Company determines the criteria have been achieved, the results of operations of the component being disposed of, as well as any gain or loss on the disposal transaction are aggregated for separate presentation apart from continuing operating results of the Company in the consolidated financial statements.

Cash and Cash Equivalents

Cash and cash equivalents include cash on hand and highly liquid investments with original maturities of ninety days or less.

Accounts Receivable

Accounts receivable include amounts billed and currently due from customers and are presented net of an estimate for accounts that may not be collected. The Company evaluates outstanding receivables to determine whether they will ultimately be fully collected. In performing this evaluation, the Company analyzes market trends, economic conditions, the aging of receivables, and customer specific risks. Using this information, the Company reserves an amount that it estimates may not be collected. The Company does not require collateral with respect to trade receivables.

Content Rights

Content rights principally consist of television series and television specials. Content aired on the Company’s television networks is primarily obtained through third-party production companies and is classified either as produced, coproduced or licensed. Substantially all produced content includes programming for which the Company has engaged third parties to develop and produce, and it owns most or all rights. Coproduced content refers to programs for which the Company collaborates with third parties to finance and develop, and it retains significant rights to exploit the programs. Licensed content is comprised of films or series that have been previously produced by third parties and the Company retains limited airing rights over a contractual term. Capitalized content costs are stated at the lower of cost less accumulated amortization or net realizable value.

Costs of produced and coproduced content consist of development costs, acquired production costs, direct production costs, certain production overhead costs and participation costs. Costs incurred for produced and coproduced content are capitalized if the Company has previously generated revenues from similar content in established markets and the content will be used and revenues will be generated for a period of at least one year. The Company’s coproduction arrangements generally provide for the sharing of production cost. The Company records its costs, but does not record the costs borne by the other party as the Company does not share any associated economics of exploitation. Program licenses typically have fixed terms and require payments during the term of the license. The cost of licensed content is capitalized when the programs are delivered or the Company has paid for the programs. Development costs for programs that the Company has determined will not be produced are written off. Additionally, distribution, advertising, marketing, general and administrative costs are expensed as incurred.

Amortization of content rights is recognized based on the proportion that current estimated revenues bear to the estimated remaining total lifetime revenues, which results in either an accelerated method or a straight-line method over the estimated useful lives of up to five years. Amortization of capitalized costs for produced and coproduced content begins when a program has been aired. Amortization of capitalized costs for licensed content commences when the license period begins and the program is available for use.

The Company periodically evaluates the net realizable value of content by considering expected future revenue generation. Estimates of future revenues consider historical airing patterns and future plans for airing content, including any changes in strategy.

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Estimated future revenues may differ from actual revenues based on changes in expectations related to market acceptance, network affiliate fee rates, advertising demand, the number of cable and satellite television subscribers receiving the Company’s networks, and program usage. Accordingly, the Company continually reviews revenue estimates and planned usage and revises its assumptions if necessary. Given the significant estimates and judgments involved, actual demand or market conditions may be less favorable than those projected, requiring a write-down to net realizable value.

All produced and coproduced content is classified as long-term. The portion of the unamortized licensed content balance that will be amortized within one year is classified as a current asset.

Property and Equipment

Property and equipment are stated at cost less accumulated depreciation and impairments. The cost of property and equipment acquired under capital lease arrangements represents the lesser of the present value of the minimum lease payments or the fair value of the leased asset as of the inception of the lease. Substantially all capitalized software costs are for internal use. Capitalization of software costs occurs during the application development stage. Software costs incurred during the preliminary project and post implementation stages are expensed as incurred. Repairs and maintenance expenditures that do not enhance the use or extend the life of property and equipment are expensed as incurred.

Depreciation for most property and equipment is recognized using the straight-line method over the estimated useful lives of the assets, which is 15 to 39 years for buildings, three to five years for broadcast equipment, two to five years for capitalized software costs and three to five years for office equipment, furniture, fixtures and other property and equipment. Assets acquired under capital lease arrangements and leasehold improvements are amortized using the straight-line method over the lesser of the estimated useful lives of the assets or the terms of the related leases, which is three to 12 years. Depreciation commences when property or equipment is ready for its intended use.

Asset Impairment Analysis

Goodwill and Indefinite-lived Intangible Assets

Goodwill is allocated to various reporting units, which are generally an operating segment or one reporting level below the operating segment. The Company evaluates goodwill and other indefinite-lived intangible assets for impairment annually as of November 30 and earlier upon the occurrence of certain events or substantive changes in circumstances such as: a significant deterioration in economic conditions, industry changes, increases in costs, declining cash flows, or a decline in market capitalization. If the Company believes that as a result of its qualitative assessment it is more likely than not that the fair value of a reporting unit is greater than its carrying amount, the quantitative impairment test is not required. Following a qualitative assessment indicating that it is not more likely than not that the fair value of the reporting unit exceeds its carrying amount, goodwill impairment is determined using a two-step quantitative process. The first step of the process is to compare the fair value of a reporting unit with its carrying amount, including goodwill. In performing the first step, the Company determines the fair value of a reporting unit by using a combination of a discounted cash flow (“DCF”) analysis and may also use market-based valuation methodologies. Determining fair value requires the exercise of significant judgment, including judgments about appropriate discount rates, perpetual growth rates, relevant comparable company earnings multiples and the amount and timing of expected future cash flows. The cash flows employed in the DCF analyses are based on the Company’s budget, long-term business plan, and recent operating performance. Discount rate assumptions are based on an assessment of the risk inherent in future cash flows of the respective reporting unit. In assessing the reasonableness of its determined fair values, the Company may also evaluate its results against other value indicators such as comparable company public trading values, research analyst estimates and values observed in market transactions. If the fair value of a reporting unit exceeds its carrying amount, goodwill of the reporting unit is not impaired and the second step of the quantitative impairment test is not necessary. If the carrying amount of a reporting unit exceeds its fair value, the second step of the quantitative goodwill impairment test is required to be performed to measure the amount of impairment loss, if any. The second step of the quantitative goodwill impairment test compares the implied fair value of the reporting unit’s goodwill with the carrying amount of that goodwill. The implied fair value of goodwill is determined in the same manner as the amount of goodwill recognized in a business combination. In other words, the estimated fair value of the reporting unit’s identifiable net assets excluding goodwill are compared to the fair value of the reporting unit as if the reporting unit had been acquired in a business combination and the fair value of the reporting unit was the purchase price paid. If the carrying amount of the reporting unit’s goodwill exceeds the implied fair value of that goodwill, an impairment loss is recognized in an amount equal to that excess.

The impairment test for other intangible assets not subject to amortization involves a comparison of the estimated fair value of the intangible asset with its carrying value. If the carrying value of the intangible asset exceeds its fair value, an impairment loss is recognized in an amount equal to that excess. The estimates of fair value of intangible assets not subject to amortization are determined using a DCF valuation analysis, a market-based valuation analysis, or both.

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Determining fair value requires the exercise of significant judgment, including judgments about appropriate discount rates, perpetual growth rates, relevant comparable company earnings multiples when available and the amount and timing of expected future cash flows.

Long-lived Assets

Long-lived assets such as amortizing trademarks, customer lists, other intangible assets, and property and equipment are not required to be tested for impairment annually. Instead, long-lived assets are tested for impairment whenever events or circumstances indicate that the carrying amount of the asset may not be recoverable. Such events include, but are not limited to, the likely disposal of a portion of such assets or the occurrence of an adverse change in the market involving the business employing the related assets. If an impairment analysis is required, the impairment test employed is based on whether the Company’s intent is to hold the asset for continued use or to hold the asset for sale. If the intent is to hold the asset for continued use, the impairment test first requires a comparison of undiscounted future cash flows to the carrying value of the asset. If the carrying value of the asset exceeds the undiscounted cash flows, the asset would not be deemed to be recoverable. Impairment would then be measured as the excess of fair value over the asset’s carrying value. Fair value is typically determined by discounting the future cash flows associated with that asset. If the intent is to hold the asset for sale and certain other criteria are met, the impairment test involves comparing the asset’s carrying value to its fair value less costs to sell. To the extent the carrying value is greater than the asset’s fair value less costs to sell, an impairment loss is recognized in an amount equal to the difference. Significant judgments in this area involve determining whether events or circumstances indicate that the carrying amount of the asset may not be recoverable, determining the future cash flows for the assets involved and determining the proper discount rate to be applied in determining fair value.

Equity Method Investments

Equity method investments are reviewed for impairment on a quarterly basis by comparing their fair value to their respective carrying amounts. The Company may estimate the fair value of its equity method investments by considering recent investee equity transactions, discounted cash flow analyses, recent operating results, comparable public company operating cash flow multiples and in certain situations, balance sheet liquidation values. If the fair value of the investment has dropped below the carrying amount, management considers several factors when determining whether an other-than temporary decline has occurred. These factors include the length of the time and the extent to which the estimated fair value or market value has been below the carrying value, the financial condition and the near-term prospects of the investee, the intent and ability of the Company to retain its investment in the investee for a period of time sufficient to allow for any anticipated recovery in market value, and other factors influencing the fair market value, such as general market conditions. The estimation of fair value and whether an other-than temporary impairment has occurred requires the application of significant judgment and future results may vary from current assumptions. (See Note 4.)

Derivative Instruments

The Company uses derivative financial instruments from time to time to modify its exposure to market risks from changes in interest rates and foreign exchange rates. The Company may designate derivative instruments as cash flow hedges or fair value hedges, as appropriate. The Company records all derivative instruments at fair value on a gross basis. For those derivative instruments designated as cash flow hedges that qualify for hedge accounting, gains or losses on the effective portion of derivative instruments are initially recorded in accumulated other comprehensive loss on the consolidated balance sheets and reclassified to the same account on the consolidated statements of operations in which the hedged item is recognized. The Company may also enter into derivative instruments that are not designated as hedges and do not qualify for hedge accounting. These contracts are intended to mitigate economic exposures of the Company. The changes in fair value of derivatives not designated as hedges and the ineffective portion of derivatives designated as hedging instruments are immediately recorded in other (expense) income, net. As of December 31, 2011, the Company held no derivative instruments.

Treasury Stock

When stock is retired or purchased for constructive retirement, the purchase price is initially recorded as a reduction to the par value of the shares repurchased, with any excess purchase price over par value recorded as a reduction to additional paid-in capital related to the series of shares repurchased and any remainder excess purchase price recorded as a reduction to retained earnings. If the purchase price exceeds the amounts allocated to par value and additional paid-in capital related to the series of shares repurchased and retained earnings, the remainder is allocated to additional paid-in capital.

When stock is acquired for purposes other than formal or constructive retirement, the purchase price of the acquired stock is recorded in a separate treasury stock account which is separately reported as a reduction of equity.

Revenue Recognition

The Company generates revenues principally from (i) fees charged to distributors of its network content, which include cable and DTH satellite service providers and digital distributors, (ii) advertising sold on its television networks, and (iii) transactions for curriculum-based products and services, affiliate and advertising sales representation services, postproduction audio services, and the licensing of its brands for consumer products.

Revenue is recognized when persuasive evidence of a sales arrangement exists, delivery occurs or services are rendered, the sales price is fixed or determinable and collectability is reasonably assured. Revenues do not include taxes collected from customers on behalf of taxing authorities such as sales tax and value added tax. However, certain revenues include taxes that customers pay to taxing authorities on the Company’s behalf, such as foreign withholding income tax. Revenue recognition for each source of revenue is also based on the following policies.

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Distribution

Cable operators, DTH satellite service providers and other distributors typically pay a per-subscriber fee for the right to distribute the Company’s programming under the terms of distribution contracts. The majority of the Company’s distribution fees are collected monthly throughout the year. Distribution revenues to cable operators and DTH service providers are recognized over the term of the contracts, including any free periods, based on contracted programming rates and reported subscriber levels. The amount of distribution revenues due to the Company is reported by distributors based on actual subscriber levels. Such information is generally not received until after the close of the reporting period. In such cases, reported distribution revenues are based upon the Company’s estimates of the number of subscribers receiving the Company’s programming for periods which the distributor has not yet reported. The Company’s subscriber estimates are based on the most recent remittance or confirmation of subscribers received from the distributor. The Company subsequently adjusts its estimated amounts based upon the actual amount of subscribers. Historical adjustments to recorded estimates have not been material.

Distribution revenues are recognized net of incentives the Company provides to operators in exchange for carrying its networks. Incentives typically include cash payments to operators (“launch incentives”), providing the channel to the distributor for free for a predetermined length of time, or both. Launch incentives are capitalized as assets upon launch of the Company’s network by the operator and are amortized on a straight-line basis as a reduction of revenue over the term of the contract, including free periods. In instances where the distribution agreement is extended prior to the expiration of the original term, the Company evaluates the economics of the extended term and, if it is determined that the launch asset continues to benefit the Company over the extended term, then the Company will adjust the amortization period of the remaining launch incentives accordingly. Other incentives are recognized as a reduction of revenue as incurred. Amortization of launch incentives was $52 million, $42 million, and $55 million for 2011, 2010, and 2009, respectively.

Revenues associated with digital distribution arrangements are recognized when the Company transfers control of the content and the rights to distribute the content to the customer. If multiple programs are included in the arrangement, the Company allocates the fee to each program based on its relative fair value.

Advertising

Advertising revenues are principally generated from the sale of commercial time on television networks. Advertising revenues are recognized net of agency commissions in the period advertising spots are aired. A substantial portion of the advertising contracts in the U.S. guarantee the advertiser a minimum audience level that either the program in which their advertisements are aired or the advertisement will reach. Revenues are recognized for the actual audience level delivered. The Company provides the advertiser with additional advertising spots in future periods if the guaranteed audience level is not delivered. Revenues are deferred for any shortfall in the guaranteed audience level until the guaranteed audience level is delivered or the rights associated with the guarantee lapse. Audience guarantees are initially developed internally based on planned programming, historical audience levels, the success of pilot programs, and market trends. In the U.S., actual audience and delivery information is published by independent ratings services. In certain instances, the independent ratings information is not received until after the close of the reporting period. In these cases, reported advertising revenue and related deferred revenue is based upon the Company’s estimates of the audience level delivered using the most current data available. The Company subsequently adjusts its estimated amounts based upon the actual audience delivered and verified through an independent ratings service. Historical adjustments to recorded estimates have not been material.

Advertising revenues from online properties are recognized either as impressions are delivered or the services are performed.

Other

Revenues for curriculum-based services are recognized ratably over the contract term. Revenues from postproduction audio services are recognized as services are completed. Royalties from brand licensing arrangements are earned as products are sold by the licensee.

Deferred Revenues

Deferred revenues primarily consist of cash received for television advertising for which the advertising spots have not yet aired and advanced billings to subscribers for access to the Company’s curriculum-based streaming services. The amounts classified as current are expected to be earned within the next year.

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Stock-Based Compensation Expense

The Company has incentive plans under which unit awards, stock appreciation rights (“SARs”), stock options, performance based restricted stock units (“PRSUs”) and service based restricted stock units (“RSUs”) are issued.

The Company measures the cost of employee services received in exchange for unit awards and SARs based on the fair value of the award less estimated forfeitures. Because unit awards and SARs are cash-settled, the Company remeasures the fair value of these awards each reporting period until settlement. Compensation expense, including changes in fair value, for unit awards and SARs is recognized during the vesting period in proportion to the requisite service that has been rendered as of the reporting date. For grants of unit awards with graded vesting, the Company measures fair value and records compensation expense for all vesting tranches as a single award. For grants of SARs with graded vesting, the Company measures fair value and records compensation expense separately for each vesting tranche. Changes in the fair value of outstanding unit awards and SARs that occur between the vesting date and settlement date are recorded as adjustments to compensation costs in the period in which the changes occur. The Company measures the cost of employee services received in exchange for stock options based on the fair value of the award on the date of grant less estimated forfeitures. Compensation expense for stock options is recognized ratably during the vesting period.

The fair values of unit awards, SARs and stock options are estimated using the Black-Scholes option-pricing model. Because the Black-Scholes option-pricing model requires the use of subjective assumptions, changes in these assumptions can materially affect the fair value of awards. For unit awards and SARs, the expected term is the period from the grant date to the vesting date of the award. For stock options, the expected term is estimated to be the period from the date of grant through the mid-point between the vesting date and the end of the contractual term of the award. Expected volatility is based on a combination of implied volatilities from traded options on the Company’s common stock and historical realized volatility of the Company’s common stock, and considers other factors deemed relevant. The dividend yield is assumed to be 0% because the Company has no present intention to pay dividends. The risk-free interest rate is based on U.S. Treasury zero-coupon issues with a remaining term equal to the expected term of the award.

Vesting for certain PRSUs is subject to satisfying objective operating performance conditions while vesting for other PRSUs is based on the achievement of a combination of objective and subjective operating performance conditions. Compensation expense for PRSUs that vest based on achieving objective operating performance conditions is measured based on the fair value of the Company’s Series A common stock on the date of grant less estimated forfeitures. Compensation expense for PRSUs that vest based on achieving subjective operating performance conditions is remeasured at fair value of the Company’s Series A common stock less estimated forfeitures each reporting period until the date of vesting. Compensation expense for all PRSUs is recognized ratably during the vesting period only when it is probable that the operating performance conditions will be achieved. The Company records a cumulative adjustment to compensation expense for PRSUs if there is a change in the determination of whether or not it is probable the operating performance conditions will be achieved.

The Company measures the cost of employee services received in exchange for RSUs based on the fair value of the Company’s Series A common stock on the date of grant less estimated forfeitures. Compensation expense for RSUs is recognized ratably during the vesting period.

When recording compensation cost for stock-based awards, the Company is required to estimate the number of awards granted that are expected to be forfeited. In estimating forfeitures, the Company considers historical and expected forfeiture rates and anticipated events. On an ongoing basis, the Company adjusts compensation expense based on actual forfeitures and revises the forfeiture rate as necessary.

On May 17, 2011, the Company’s stockholders approved the Discovery Communications, Inc. 2011 Employee Stock Purchase Plan (the “DESPP”), which enables eligible employees to purchase shares of the Company’s common stock through payroll deductions or other permitted means. The Company recognizes the fair value of the discount associated with shares purchased under the plan as stock-based compensation expense. The initial offering period for the DESPP began on November 16, 2011 and ended on February 14, 2012.

Stock-based compensation expense is recorded as a component of selling, general and administrative expense. The Company classifies as a current liability the intrinsic value of unit awards and SARs that are vested or will become vested within one year.

Excess tax benefits realized from the exercise of stock options and vested RSUs, PRSUs and the DESPP are reported as cash inflows from financing activities rather than as a reduction of taxes paid in cash flows from operating activities on the consolidated statements of cash flows.

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Advertising Costs

Advertising costs are expensed as incurred. Advertising costs paid to third parties totaled $132 million, $135 million, and $103 million for 2011, 2010 and 2009, respectively.

Income Taxes

Income taxes are recorded using the asset and liability method of accounting for income taxes. Deferred income taxes reflect the net tax effect of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Deferred taxes are measured using rates we expect to apply to taxable income in years in which those temporary differences are expected to reverse. A valuation allowance is provided for deferred tax assets if it is more likely than not such assets will be unrealized.

The Company reports a liability for unrecognized income tax benefits resulting from uncertain tax positions taken or expected to be taken on a tax return. The Company’s policy is to classify tax interest and penalties related to tax reserves and unrecognized tax benefits as tax expense. The liability for these items is included in other current and noncurrent liabilities on the consolidated balance sheets as appropriate.

Concentrations Risk

Customers

The Company has long-term contracts with distributors around the world, including the largest operators in the U.S. and major international distributors. In the U.S., approximately 90% of distribution revenues come from the top 10 distributors. Outside of the U.S., less than 50% of distribution revenue comes from the top 10 distributors. Agreements in place with the major cable and satellite operators expire at various times beginning in 2012 through 2020. At the end of 2012, three of the larger U.S. distribution arrangements will expire. Although the Company intends to renew these agreements with its distributors, a failure to secure a renewal or a renewal on less favorable terms may have a material adverse effect on the Company’s results of operations and financial condition. Not only could the Company experience a reduction in affiliate revenues, but it could also experience a reduction in advertising revenues which are also impacted by affiliate subscriber amounts.

No individual customer accounted for more than 10% of total consolidated revenues for 2011, 2010 or 2009. The Company’s trade receivables do not represent a significant concentration of credit risk as of December 31, 2011 or 2010 due to the wide variety of customers and markets in which the Company operates and their dispersion across many geographic areas.

Financial Institutions

Cash and cash equivalents are maintained with several financial institutions. The Company has deposits held with banks that exceed the amount of insurance provided on such deposits. Generally, these deposits may be redeemed upon demand and are maintained with financial institutions of reputable credit and, therefore, bear minimal credit risk.

Lender Counterparties

There is a risk that the counterparties associated with the Company’s revolving credit facility will not be available to fund as obligated under the terms of the facility. If funding under the revolving credit facility is unavailable, the Company may have to acquire a replacement credit facility from a different counterparty at a higher cost or may be unable to find a suitable replacement. Typically, the Company seeks to manage these exposures by contracting with experienced large financial institutions and monitoring the credit quality of its lenders. As of December 31, 2011, the Company did not anticipate nonperformance by any of its counterparties.

NOTE 3. ACQUISITIONS AND DISPOSITIONS

Acquisitions

On November 2, 2011, Discovery acquired a non-fiction entertainment production company in the U.K. for a purchase price of $16 million, net of cash acquired to improve the development of content for its international networks. On December 29, 2011, Discovery acquired a Latin American cable channel for a purchase price of $10 million to increase distribution of TLC content. Both business combinations have been included in the Company’s operating results since their acquisition date.

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BBC Ventures

On November 12, 2010, the Company acquired the remaining 50% ownership interest in substantially all of the ventures that operate the international Animal Planet and Liv (formerly People + Arts) networks from BBC Worldwide for a payment of $152 million. The acquisition provides the Company 100% ownership of most of these entities.

Prior to the acquisition, the Company determined that the ventures qualified as VIEs and that it met the control requirements to consolidate the ventures. For most ventures, 100% of the net losses generated by the ventures were allocated to the Company because it had assumed all funding requirements. Any net income generated by the ventures was initially allocated to the Company to repay amounts funded and any excess profits were allocated to the Company and BBC Worldwide. BBC Worldwide’s equity interests in consolidated ventures were reported as noncontrolling interests in the consolidated financial statements.

The acquisition of the additional interests in the international Animal Planet and Liv network ventures was accounted for as a noncontrolling interest transaction as there was no change in control of the ventures. The $152 million payment to BBC Worldwide was allocated $117 million to additional paid in capital and $4 million to equity method investment. Prior to the acquisition, BBC Worldwide had a put right to sell its interests in the ventures to the Company. The Company had previously accrued $49 million as redeemable noncontrolling interests on the consolidated balance sheets for this put right and an associated $18 million deferred tax asset. A portion of the purchase price was allocated to these items as the acquisition eliminated BBC Worldwide’s put right and the associated deferred tax asset.

In addition to the acquisition of the remaining interests in the international Animal Planet and Liv ventures, the Company also made a $10 million payment to BBC Worldwide to settle a pre-existing content purchase arrangement.

The net income attributable to the Company and transfers from noncontrolling interests were as follows (in millions).

	Year Ended December 31,
	2011		2010			2009
Net income attributable to Discovery Communications, Inc.	$	1,132	$	653		$	549
Decrease in equity for purchase of noncontrolling interests		—		(117	)		—
Change from net income attributable to Discovery Communications, Inc. and transfers to noncontrolling interests	$	1,132	$	536		$	549

Effective January 1, 2010, the Company adopted the FASB’s new guidance for accounting for interests in VIEs, which resulted in the Company deconsolidating one of the ventures associated with BBC Worldwide, APJ, and using the equity method to account for its interest in APJ. The acquisition of BBC Worldwide’s interest in APJ did not change the Company’s accounting due to certain rights held by the other venture partner.

Uplink Facility

On February 17, 2010, the Company acquired all interests in an uplink facility in the U.K., including its employees and operations, for a payment of $35 million. The uplink center is used to deliver Discovery’s networks in the United Kingdom and Europe, Africa and the Middle East, and has been integrated into the Company’s International Networks segment. The acquisition has provided the Company more flexibility to expand the distribution of its content. The uplink facility has been included in the Company’s operating results since the date of acquisition.

Dispositions

Discovery Health Network

On January 1, 2011, the Company contributed the domestic Discovery Health network to OWN LLC in connection with the launch of OWN, which resulted in a pretax gain of $129 million. (See Note 4.) As the Company continues to be involved in the operations of the Discovery Health network through its ownership interests in OWN LLC, the Company has not presented the financial position, results of operations, and cash flows of the Discovery Health network as discontinued operations.

Discontinued Operations

Antenna Audio

On September 1, 2010, the Company sold its Antenna Audio business for net cash proceeds of $24 million, which resulted in a $9 million gain, net of taxes. Antenna Audio’s operating results are classified as discontinued operations in the consolidated statements of operations.

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ACG (formally known as Ascent Media Corporation)

In September 2010, the Company received a tax refund, which eliminated a $12 million obligation to ACG, an entity spun off in 2008. The reversal of this obligation has been recorded as a benefit in income (loss) from discontinued operations, net of taxes on the consolidated statements of operations.

NOTE 4. VARIABLE INTEREST ENTITIES

In the normal course of business, the Company makes investments that support its underlying business strategy and provide it the ability to enter new markets for its brands, develop programming, and distribute its existing content. In certain instances, an investment may qualify as a VIE. (See Note 2.) As of December 31, 2011 and 2010, the Company’s VIEs primarily consisted of Hub Television Networks LLC and OWN LLC, which operate pay-television networks. The Company previously had ownership interests in ventures with BBC Worldwide that were VIEs, substantially all of which were consolidated. On November 12, 2010, the Company acquired the interests of BBC Worldwide in these ventures, and the Company now wholly owns most of these entities and continues to consolidate them.

As of December 31, 2011 and 2010, the Company accounted for its interests in VIEs using the equity method. The aggregate carrying values of these equity method investments were $807 million and $453 million as of December 31, 2011 and 2010, respectively. The Company recognized equity losses of $33 million, $55 million, and $19 million for 2011, 2010 and 2009, respectively, for its portion of net losses generated by VIEs accounted for using the equity method, which were recorded in other (expense) income, net on the consolidated statements of operations.

The Company’s estimated risk of loss for investments in VIEs was approximately $838 million as of December 31, 2011, which includes the carrying value of its investments, the unfunded portion of contractual funding commitments to equity method investees, and guarantees made on behalf of equity method investees. Actual amounts funded to OWN have exceed contractual funding commitments, and the Company intends to continue to fund significant amounts to OWN. The Company has not recorded any obligations for future funding. The estimated risk of loss excludes the Company’s operating performance guarantee for Hub Television Networks LLC disclosed below.

Hub Television Networks LLC

On May 22, 2009, the Company and Hasbro, Inc. (“Hasbro”) formed a 50-50 joint venture. In connection with the formation, the Company sold a 50% interest in the U.S. Discovery Kids network to Hasbro and both parties then contributed their interests in the U.S. Discovery Kids network to the newly formed joint venture (the “U.S. Discovery Kids Transaction”). The Company received an upfront cash payment of $300 million and the right to certain future payments, which are expected to be collected over a period of up to 20 years, based on the value of certain tax benefits expected to be received by Hasbro. The present value of the expected future payments at the acquisition date totaled approximately $57 million. The balance of the receivable was $49 million as of December 31, 2011. The Company recognized a pretax gain of $252 million in connection with the formation of the joint venture, which included $125 million for the 50% interest in the U.S. Discovery Kids network sold to Hasbro and $127 million as a result of “stepping up” its basis for the 50% interest in the U.S. Discovery Kids network contributed to the joint venture. The network continued to operate as the Discovery Kids network through October 10, 2010, at which time it was rebranded as The Hub, which is a pay-television network that provides children’s and family entertainment and educational programming. The Company is obligated to provide the joint venture with funding of up to $15 million and services such as distribution, sales, and administrative support for a fee. (See Note 19.) The Company has not provided any funding as of December 31, 2011.

Based upon the level of equity investment at risk, the joint venture is a VIE. Discovery and its joint venture partner, together, direct the activities of The Hub that most significantly impact its economic performance, because decisions about programming and marketing strategy require the consent of both joint venture partners. The joint venture partners share equally in voting control and jointly consent to operating, financing and investing decisions. Neither has special governance rights, and both are equally represented on the Board of The Hub. The joint venture partners also share equally in the profits, losses, and funding of the joint venture. The Company has determined that it is not the primary beneficiary of The Hub. Accordingly, the Company accounts for its investment in The Hub using the equity method.

Through December 31, 2015, the Company has guaranteed a certain level of performance for the joint venture that requires compensation to Hasbro to the extent that distribution metrics decline versus levels historically achieved by the Discovery Kids channel. This guarantee extends on a declining basis through the period of guarantee. Upon inception of the joint venture, the maximum amount potentially due under this guarantee was $300 million. As of December 31, 2011, the maximum amount potentially due under this guarantee was less than $160 million. The maximum exposure to loss is expected to decline to zero during 2015. As the joint venture’s distribution is generally provided under long-term contracts with stable subscriber levels, the Company believes the likelihood is remote that the performance levels will not be achieved and, therefore, the performance guarantee is unlikely to have a material adverse impact on the Company’s financial position, operating results, or cash flows. Accordingly, the fair value of the guarantee was not material as of December 31, 2011.

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On May 23, 2011, The Hub revised its arrangement with Hasbro Studios to increase the license fees paid to Hasbro Studios for animated programming. This change created a trigger event for purposes of intangible asset and goodwill impairment testing. The Hub’s management prepared a fair value assessment using a DCF valuation model for purposes of performing step one of the goodwill impairment test. The underlying assumptions, such as future cash flows, weighted average cost of capital, and long-term growth rates were generally not observable in the marketplace, and therefore, involved significant judgment. The estimated fair value of The Hub exceeded its carrying value. During the fourth quarter of 2011, The Hub completed its annual impairment review of goodwill. No impairments were recorded. Given that the early results of The Hub’s operations have been below its initial long-term business plan, there is a possibility that future results may vary from the current assumptions in the long-term business plan. The Company will monitor the valuation of its investment in accordance with GAAP, which requires an impairment charge when there is an other-than-temporary decline in the investment’s value.

Beginning May 22, 2009, the Company ceased to consolidate the gross operating results of the U.S. Discovery Kids network and began accounting for its interests in the joint venture using the equity method. However, as Discovery continues to be involved in the operations of the venture, the Company has not presented the financial position, results of operations and cash flows of the U.S. Discovery Kids network recorded through May 21, 2009 as discontinued operations. Accordingly, the Company’s consolidated results of operations for 2009 include the gross operating results of the U.S. Discovery Kids network through May 21, 2009. However for subsequent periods, Discovery records only its proportionate share of the venture’s net operating results as a component of other (expense) income, net on the consolidated statements of operations.

The carrying values of the Company’s investment in The Hub were $334 million and $344 million as of December 31, 2011 and December 31, 2010, respectively.

OWN LLC

OWN LLC operates OWN, which is a pay-television network and website that provides adult lifestyle content focused on self-discovery and self-improvement that launched on January 1, 2011. In connection with the launch of OWN, the Company contributed the domestic Discovery Health network to the venture. The contribution did not impact the Company’s ownership interest, voting control, or governance rights related to OWN. Subsequent to the contribution, the Company no longer consolidates the domestic Discovery Health network, which was a component of its U.S. Networks segment. The assets of the Discovery Health network included goodwill and other identifiable assets with carrying values of $136 million and $8 million, respectively.

The Company recorded the contribution at fair value, which resulted in a pretax gain of $129 million. The fair value of the Company’s retained equity interest in OWN at the date of launch was estimated to be $273 million. The gain represents the fair value of the equity investment retained less the carrying values of contributed assets. The gain resulted in tax expense of $27 million. The fair value of the contribution of the Discovery Health network to OWN was determined utilizing customary valuation methodologies including DCF models. The underlying assumptions, such as future cash flows, weighted average costs of capital and long-term growth rates were generally not observable in the marketplace, and therefore, involved significant judgment.

Based on changes in the long-term projections for OWN, the Company reviewed the carrying value of its equity and note receivable investment in OWN as of December 31, 2011. Using the revised long-term projections, the fair value of the network was assessed using a DCF valuation model. The underlying assumptions, such as future cash flows, weighted average cost of capital and long-term growth rates were generally not observable in the marketplace, and therefore, involved significant judgment. The fair value of the investment in OWN exceeded the Company’s carrying value as of December 31, 2011. No impairment of the investment balance was recorded for the year ended December 31, 2011. Given that the early results of OWN’s operations have been below its initial business plan, there is a possibility that the results of OWN’s future operations will fall below the revised long-term projections. The Company will continue to monitor the financial results of OWN along with other relevant business information to determine if an impairment has occurred regarding the recoverability of the OWN loan and valuation of the Company’s investment in OWN in accordance with GAAP.

The Company provides OWN funding and services such as distribution, licensing, sales and administrative support for a fee. (See Note 19.) The Company has provided all required funding as of December 31, 2011. The Company’s total funding to OWN, including interest accrued on outstanding borrowings, was $312 million, which is in excess of its commitment of $189 million. The Company’s funding to OWN is expected to exceed OWN’s earnings for the next two years. The funding is secured by the net assets of OWN. While the Company expects to provide significant additional funding to OWN, the Company also expects to recoup amounts funded. The funding to OWN accrues interest at 7.5% compounded annually. There can be no event of default on the borrowing until 2023.

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However, borrowings are scheduled for repayment four years after the borrowing date to the extent that OWN has excess cash to repay the borrowings then due. OWN will distribute its initial excess cash to the Company to repay funding then due. Following repayment of funding then due, OWN’s subsequent cash distributions will be shared equally between the Company and Harpo Inc. (“Harpo”).

Based upon the level of equity investment at risk, OWN is a VIE. While the investors have an equal share in voting control, power is not shared because certain activities that significantly impact OWN’s economic performance are directed by Harpo (“Harpo”). Harpo holds operational rights related to programming and marketing, as well as selection and retention of key management personnel. The Company has determined that it is not the primary beneficiary of OWN, because it does not control these activities that are critical to OWN’s operating performance and success. Accordingly, the Company accounts for its investment in OWN using the equity method.

Net losses generated by OWN are currently allocated to both investors based on their proportionate ownership interests, which are 50-50. Prior to the contribution of the Discovery Health network to OWN at its launch, the Company recognized 100% of OWN’s net losses. If future operating losses at OWN exceed the balance of equity contributions recorded by OWN and the equity balance of OWN is depleted, Discovery will record 100% of any future operating losses in loss from equity investees, net as long as Discovery continues to provide all funding to OWN. Future net income generated by OWN will initially be allocated 100% to the Company for at least $104 million, the amount of pre-contribution net losses recognized, plus any additional losses absorbed in excess of Discovery’s equity ownership interest.

The carrying value of the Company’s investment in OWN, including its equity method investment and note receivable balance, was $420 million and $52 million as of December 31, 2011 and 2010, respectively.

Pursuant to the venture agreement, Harpo has the right to require the Company to purchase all or part of its interest in OWN at fair market value up to a maximum put amount every two and one half years commencing on January 1, 2016. The maximum put amount is a range from $100 million on the first put exercise date up to $400 million on the fourth put exercise date. The Company has recorded no amounts for the put right.

Other VIEs

Other VIEs principally include various cable and satellite network ventures in which the Company holds ownership interests from 16% to 50%. The carrying value of the Company’s investments in other VIEs accounted for using the equity method was $53 million and $57 million as of December 31, 2011 and 2010, respectively.

NOTE 5. INVESTMENTS

The Company’s investments consisted of the following (in millions).

		As of December 31,
	Balance Sheet Location	2011		2010
Trading securities:
Mutual funds	Prepaid expenses and other current assets	$	76	$	55
Available-for-sale securities:
Money market mutual funds	Cash and cash equivalents		635		172
U.S. Treasury securities	Cash and cash equivalents		—		200
Other	Cash and cash equivalents		—		3
Equity method investments	Equity method investments		807		455
Total investments		$	1,518	$	885

Trading Securities

Trading securities include investments in mutual funds held in a separate trust, which are owned as part of the Company’s supplemental retirement plan. (See discussion in Note 14.)

Equity Method Investments

Equity method investments principally include ownership interests in unconsolidated ventures determined to be VIEs. All equity method investees are privately owned. The carrying values of the Company’s equity-method investments are consistent with its ownership in the underlying net assets of the investees. The carrying values of equity method investments increased as a result of additional funding provided and interest earnings recorded on the note receivable from OWN and the $273 million step-up for the disposition of the Discovery Health network and retained equity interest in OWN. (See Note 4). These increases were partially offset by losses and dividends from equity method investments.

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NOTE 6. FAIR VALUE MEASUREMENTS

Fair value is defined as the amount that would be received for selling an asset or paid to transfer a liability in an orderly transaction between market participants. Assets and liabilities carried at fair value are classified in the following three categories:

Level 1	–	Quoted prices for identical instruments in active markets.
Level 2	–	Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets.
Level 3	–	Valuations derived from valuation techniques in which one or more significant inputs are unobservable.

Assets and liabilities measured at fair value on a recurring basis consisted of the following (in millions).

		December 31, 2011
Category	Balance Sheet Location	Level 1		Level 2		Level 3		Total
Assets:
Trading securities:
Mutual funds	Prepaid expenses and other current assets	$	76	$	—	$	—	$	76
Available-for-sale securities:
Money market mutual funds	Cash and cash equivalents		635		—		—		635
Total assets		$	711	$	—	$	—	$	711
Liabilities:
Deferred compensation plan	Accrued liabilities	$	76	$	—	$	—	$	76
Total liabilities		$	76	$	—	$	—	$	76

		December 31, 2010
Category	Balance Sheet Location	Level 1		Level 2		Level 3		Total
Assets:
Trading securities:
Mutual funds	Prepaid expenses and other current assets	$	55	$	—	$	—	$	55
Available-for-sale securities:
Money market mutual funds	Cash and cash equivalents		172		—		—		172
U.S. Treasury securities	Cash and cash equivalents		—		200		—		200
Other	Cash and cash equivalents		—		3		—		3
Total assets		$	227	$	203	$	—	$	430
Liabilities:
Deferred compensation plan	Accrued liabilities	$	55	$	—	$	—	$	55
Other	Other current liabilities		—		6		—		6
Total liabilities		$	55	$	6	$	—	$	61

Trading securities are comprised of investments in mutual funds held in a separate trust, which are owned as part of the Company’s deferred compensation plan. The fair value of Level 1 trading securities was determined by reference to the quoted market price per unit in active markets multiplied by the number of units held without consideration of transaction costs. The fair value of the related deferred compensation plan liability was determined based on the fair value of the related investments elected by employees.

Available-for-sale securities represent investments in highly liquid instruments with original maturities of 90 days or less. The fair value of Level 1 available-for-sale securities was determined by reference to the quoted market price per unit in active markets multiplied by the number of units held without consideration of transaction costs. The fair value of available-for-sale securities classified in Level 2 was determined by reference to the quoted market price per unit in markets that are not active multiplied by the number of units held without consideration of transaction costs.

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In addition to the financial instruments listed in the tables above, the Company holds other financial instruments, including cash, accounts receivable, accounts payable, and debt. The carrying values for cash, accounts receivable, and accounts payable approximated their fair values. The estimated fair value of the Company’s outstanding senior notes using quoted market prices was $4.6 billion and $3.7 billion as of December 31, 2011 and 2010, respectively.

During 2010, the Company purchased $49 million level 3 redeemable noncontrolling interests in connection with the acquisition of BBC Worldwide’s interests in certain ventures. No gain or loss was recorded for the redemption of this noncontrolling interest. (See Note 3.)

NOTE 7. CONTENT RIGHTS

The following table presents a summary of the components of content rights (in millions).

	As of December 31,
	2011			2010
Produced content rights:
Completed	$	2,257		$	1,963
In-production		221			229
Coproduced content rights:
Completed		491			446
In-production		80			76
Licensed content rights:
Acquired		346			297
Prepaid		21			19
Content rights, at cost		3,416			3,030
Accumulated amortization		(2,021	)		(1,702	)
Total content rights, net		1,395			1,328
Current portion		(93	)		(83	)
Noncurrent portion	$	1,302		$	1,245

Content expense, which consists of content amortization, impairments and other production charges included in the cost of revenues on the consolidated statements of operations, was $968 million, $833 million and $828 million for 2011, 2010 and 2009, respectively. Content impairments were $62 million, $51 million and $75 million for 2011, 2010 and 2009, respectively. As of December 31, 2011, the Company estimates that approximately 96% of unamortized costs of content rights, excluding content in-production and prepaid licenses, will be amortized within the next three years. As of December 31, 2011, the Company expects to amortize $574 million of unamortized content rights, excluding content in-production and prepaid licenses, during the next twelve months.

The Company enters into arrangements whereby it collaborates with third parties to finance and develop programming (“coproduced content”). The Company capitalizes the net cost of coproduced content and amortizes such cost in accordance with its content amortization policy. The Company’s policy is to record cash receipts for distribution, advertising and royalty revenue that result from coproduced content as gross revenue. The Company generally does not allocate revenue to specific content rights, and there were no royalty revenues or expenses associated with coproduction partners during 2011, 2010 and 2009. Content costs of $151 million, $122 million and $123 million were capitalized as part of coproduction arrangements during 2011, 2010 and 2009, respectively.

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NOTE 8. PROPERTY AND EQUIPMENT

Property and equipment consisted of the following (in millions).

	As of December 31,
	2011			2010
Land, buildings and leasehold improvements	$	290		$	284
Broadcast equipment		381			364
Capitalized software costs		178			170
Office equipment, furniture, fixtures and other		266			235
Property and equipment, at cost		1,115			1,053
Accumulated depreciation		(736	)		(654	)
Property and equipment, net	$	379		$	399

Property and equipment includes assets acquired under capital lease arrangements, primarily satellite transponders, with gross carrying values of $155 million as of December 31, 2011 and 2010, respectively. The related accumulated amortization for capital lease assets was $61 million and $41 million as of December 31, 2011 and 2010, respectively.

The net book value of capitalized software costs was $27 million and $34 million as of December 31, 2011 and 2010, respectively.

Depreciation expense for property and equipment, including amortization of capitalized software costs and capital lease assets, totaled $88 million, $92 million and $102 million for 2011, 2010 and 2009, respectively. Amortization expense of capitalized software costs was $15 million, $17 million and $24 million for 2011, 2010 and 2009, respectively.

In addition to the capitalized property and equipment included in the above table, the Company rents certain facilities and equipment under operating lease arrangements. Rental expense for operating leases totaled $77 million, $83 million and $80 million for 2011, 2010 and 2009, respectively.

NOTE 9. GOODWILL AND INTANGIBLE ASSETS

Goodwill

Changes in the carrying value of goodwill, by reportable segment, were as follows (in millions).

	U.S. Networks			International Networks			Education and Other			Total
Balance as of December 31, 2009	$	5,135		$	1,271		$	27		$	6,433
Acquisitions		—			13			—			13
Impairments		—			—			(11	)		(11	)
Foreign currency translation and other adjustments		—			(4	)		3			(1	)
Balance as of December 31, 2010		5,135			1,280			19			6,434
Acquisitions		—			14			—			14
Dispositions		(136	)		—			—			(136	)
Impairments		(20	)		—			—			(20	)
Foreign currency translation and other adjustments		—			(1	)		—			(1	)
Balance as of December 31, 2011	$	4,979		$	1,293		$	19		$	6,291

During 2011, goodwill decreased $136 million due to the contribution of the Discovery Health network to OWN (see Note 4) and $20 million for impairment at the Commerce reporting unit, offset by $14 million of additional goodwill for business acquisitions (see Note 3).

During 2010, goodwill increased $13 million due to goodwill acquired in connection with the acquisition of an uplink facility (see Note 3), partially offset by an $11 million impairment of goodwill at the Education and Other segment related to the Company’s postproduction audio business.

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The carrying amount of goodwill at the U.S. Networks segment included accumulated impairment of $20 million at December 31, 2011. The carrying amount of goodwill at the Education and Other segment included accumulated impairment of $11 million at December 31, 2011 and December 31, 2010.

Intangible Assets

Intangible assets consisted of the following (in millions, except years).

	Weighted Average Amortization Period (Years)		As of December 31, 2011							As of December 31, 2010
			Gross		Accumulated  Amortization			Net		Gross		Accumulated Amortization			Net
Intangible assets subject to amortization:
Trademarks		7	$	31	$	(26	)	$	5	$	32	$	(22	)	$	10
Customer relationships		25		513		(113	)		400		524		(99	)		425
Other		5		3		(2	)		1		6		(4	)		2
Total				547		(141	)		406		562		(125	)		437

	As of December 31, 2011						As of December 31, 2010
	Gross		Accumulated  Amortization		Net		Gross		Accumulated Amortization		Net
Intangible assets not subject to amortization:
Trademarks		165		—		165		168		—		168
Total	$	165	$	—	$	165	$	168	$	—	$	168

During the year ended December 31, 2011, intangible assets, net decreased $34 million primarily due to amortization expense. Amortization expense for finite-lived intangible assets is recognized using the straight-line method over the estimated useful lives of the assets. Amortization expense related to finite-lived intangible assets, which excludes impairments, was $31 million, $38 million and $50 million for 2011, 2010 and 2009, respectively.

Amortization expense relating to intangible assets subject to amortization for each of the next five years and thereafter is estimated to be as follows (in millions).

	2012		2013		2014		2015		2016		Thereafter
Amortization expense	$	29	$	26	$	26	$	26	$	26	$	273

The amount and timing of the estimated expenses in the above table may vary due to future acquisitions, dispositions or impairments.

Impairment Analysis

Based on changes in the long-term projections for the Commerce reporting unit, a component of the U.S. Networks segment, the Company performed Step 1 of a quantitative goodwill impairment test and used a DCF model to estimate the reporting unit’s fair value. The estimated fair value of the Commerce reporting unit did not exceed its carrying amount. Upon completion of the impairment test, including Step 2, the Company concluded that goodwill was impaired and recorded a $20 million impairment charge during the fourth quarter of 2011.

During the fourth quarter of 2011, the Company performed a qualitative goodwill impairment assessment for all goodwill reporting units, except Commerce, and determined that it was more likely than not that the fair value of those reporting units exceeded their carrying value. As a result of the Company’s qualitative goodwill impairment assessment, the Company determined that no other goodwill was impaired during 2011.

During the fourth quarter of 2010, the Company completed its annual impairment review of goodwill. The estimated fair value of each reporting unit exceeded its carrying value and, therefore, no impairments were recorded. The fair values of the reporting units were determined using a DCF model and market-based valuation models utilizing multiples of earnings before interest, taxes,

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depreciation and amortization (“EBITDA”). Both models resulted in substantially similar fair values. Cash flows were determined based on Company estimates of future operating results and discounted using an internal rate of return based on an assessment of the risk inherent in future cash flows of the respective reporting unit.

During the third quarter of 2010, the Company recorded an $11 million pretax noncash impairment charge related to goodwill at its postproduction audio business, which is a component of the Education and Other segment. Management determined that the decline in the operating results for its postproduction audio business no longer appeared cyclical, but rather a long-term performance decline. The fair value of the postproduction audio business was estimated using a DCF model.

During 2009, the Company was required to perform an interim impairment review of goodwill and long-lived assets, including intangible assets, at its U.S. Networks segment due to the U.S. Discovery Kids Transaction. (See Note 4.) The Company used the purchase consideration provided by Hasbro to determine the fair value of the network. The Company used a DCF model and market-based valuation models utilizing multiples of EBITDA and revenues to determine the fair value of the portion of the U.S. Networks segment remaining with the Company. As a result of this review, the Company recorded pretax noncash impairment charges of $17 million and $3 million related to intangible assets and capitalized software, respectively. The impairments reflected a decline in operating performance and market multiples for certain asset groups in the U.S. Networks segment.

Also in 2009, the Company recorded pretax noncash impairment charges of $6 million and $6 million related to goodwill and intangible assets, respectively, at its International Networks segment. The goodwill impairment charge reflects a decline in operating performance at the Company’s Antenna Audio business, which is reported as discontinued operations. The impairment of finite-lived intangible assets was due to a decline in operating performance for an asset group in EMEA. The fair values were estimated using DCF models.

Impairment charges were recorded in restructuring and impairment charges on the consolidated statements of operations.

NOTE 10. DEBT

Outstanding debt consisted of the following (in millions).

	As of December 31,
	2011			2010
3.70% Senior Notes, semi-annual interest, due June 2015		850			850
5.625% Senior Notes, semi-annual interest, due August 2019		500			500
5.05% Senior Notes, semi-annual interest, due June 2020		1,300			1,300
4.375% Senior Notes, semi-annual interest, due June 2021		650			—
6.35% Senior Notes, semi-annual interest, due June 2040		850			850
Capital lease obligations		106			126
Total long-term debt		4,256			3,626
Unamortized discount		(11	)		(8	)
Long-term debt, net		4,245			3,618
Current portion of long-term debt		(26	)		(20	)
Noncurrent portion of long-term debt	$	4,219		$	3,598

Senior Notes

On June 20, 2011, Discovery Communications, LLC (“DCL”), a wholly-owned subsidiary of the Company, issued $650 million aggregate principal amount of 4.375% Senior Notes due on June 15, 2021 (the “2021 Notes”). DCL received net proceeds of approximately $641 million from the offering after a $4 million issuance discount and $5 million of deferred financing costs. DCL may, at its option, redeem some or all of the 2021 Notes at any time by paying a make-whole premium, plus accrued and unpaid interest, if any, to the date of repurchase. Interest on the 2021 Notes is payable on June 15 and December 15 of each year. The 2021 Notes are unsecured and rank equally in right of payment with all of DCL’s other unsecured senior indebtedness and are fully and unconditionally guaranteed on an unsecured and unsubordinated basis by Discovery.

On June 3, 2010, DCL issued $850 million aggregate principal amount of 3.70% Senior Notes maturing on June 1, 2015, $1.3 billion aggregate principal amount of 5.05% Senior Notes maturing on June 1, 2020 and $850 million aggregate principal amount of 6.35% Senior Notes maturing on June 1, 2040. DCL received approximately $3.0 billion in proceeds, net of a $6 million issuance discount and $24 million of issuance costs recorded as deferred financing costs. DCL may, at its option, redeem some or all of these senior notes at any time by paying a make-whole premium, plus accrued and unpaid interest, if any, to the date of repurchase. Interest on the senior notes is payable on June 1 and December 1 of each year, beginning on December 1, 2010.

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The Company used the net proceeds of the June 3, 2010 offering plus cash on hand to repay $1.5 billion outstanding under its Term Loan B, $487 million outstanding under its Term Loan C, net of the original issue discount, $220 million outstanding under its 8.37% Senior Notes due March 2011, $235 million outstanding under its 8.13% Senior Notes due September 2012, $90 million outstanding under its Floating Rate Senior Notes due December 2012, $390 million outstanding under its 6.01% Senior Notes due December 2015 and $114 million for make-whole premiums. The repayments resulted in a pretax loss on extinguishment of debt of $136 million, which included $114 million for make-whole premiums, $12 million of noncash write-offs of unamortized deferred financing costs and $10 million for the repayment of the original issue discount on the Company’s term loans.

As of December 31, 2011, all senior notes outstanding are unsecured and rank equally in right of payment with all of DCL’s other unsecured senior indebtedness and are fully and unconditionally guaranteed on an unsecured and unsubordinated basis by Discovery.

The outstanding senior notes contain certain nonfinancial covenants, events of default and other customary provisions. The Company was in compliance with all covenants and customary provisions and there were no events of default as of December 31, 2011.

Revolving Credit Facility

On August 8, 2011, DCL modified its $1.0 billion revolving credit agreement to extend the expiration date two years to October 12, 2015 and to reduce interest rates and fees. The terms of the arrangement are otherwise consistent with the previous arrangement, as DCL continues to be the borrower, Discovery continues to be the unconditional guarantor, the lenders named therein, are consistent with the original credit agreement and the obligations under the credit agreement are unsecured.

If DCL draws on the new revolving credit facility, outstanding balances will bear interest at one of the following rates as elected by DCL. Each Libor loan will bear interest at the applicable Libor rate based on the term selected by DCL, plus a margin ranging from 75 basis points to 145 basis points based on DCL’s credit rating. Each Base Rate loan and Swing Line loan will bear interest at the Base Rate plus a margin ranging from zero basis points to 45 basis points based on DCL’s credit rating. The Base Rate is the highest of (i) the Federal funds rate as published by the Federal Reserve Bank of New York plus 50 basis points, (ii) Bank of America’s prime rate as publicly announced, and (iii) the one month Eurocurrency rate plus 100 basis points.

DCL is required to pay a facility fee, which ranges from 12.5 basis points to 30 basis points, based on DCL’s credit rating, multiplied by the actual daily amount of the lender’s aggregate commitments under the senior credit facility, regardless of usage. The facility fee is payable quarterly in arrears. DCL will also pay a letter of credit fee equal to the applicable margin for Eurocurrency rate loans multiplied by the dollar equivalent of the daily amount available to be drawn under such letter of credit.

DCL may optionally prepay the loans or irrevocably reduce or terminate the unutilized portion of the commitments under the revolving credit facility, without premium or penalty at any time by the delivery of a notice to that effect as provided under the credit agreement.

There were no amounts drawn under the revolving credit facility as of December 31, 2011 and December 31, 2010.

The revolving credit facility contains affirmative and negative covenants, including an interest coverage ratio and leverage ratio, events of default and other customary provisions. The Company was in compliance with all covenants and there were no events of default as of December 31, 2011 and December 31, 2010.

Debt Repayment Schedule

The following table presents a summary of scheduled and estimated debt payments, excluding capital lease obligations, for the succeeding five years based on the amount of debt outstanding as of December 31, 2011 (in millions).

	2012		2013		2014		2015		2016		Thereafter
Long-term debt payments	$	—	$	—	$	—	$	850	$	—	$	3,300

Scheduled payments for capital lease obligations outstanding as of December 31, 2011 are disclosed in Note 20.

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NOTE 11. DERIVATIVE FINANCIAL INSTRUMENTS

The Company may use derivative financial instruments to modify its exposure to market risks from changes in interest rates and foreign exchange rates. The Company does not enter into or hold derivative financial instruments for speculative trading purposes. The Company may enter into spot, forward and option contracts that change in value as foreign currency exchange rates change. These contracts hedge forecasted foreign currency transactions in order to mitigate fluctuations in its earnings and cash flows. For its fixed rate debt, the Company may enter into variable interest rate swaps effectively converting fixed rate borrowings to variable rate borrowings indexed to LIBOR in order to reduce the amount of interest paid.

As a result of refinancing most of its debt in June 2010 (see Note 10), the Company discontinued hedge accounting for $1.8 billion notional amount of fixed interest rate swaps designated as cash flow hedges. The change in designation resulted in reclassifying losses of $27 million from accumulated other comprehensive loss on the consolidated balance sheets to other (expense) income, net on the consolidated statements of operations. In June 2010, fixed and variable interest rate swaps with a total notional amount of $1.8 billion either matured or were settled prior to maturity for which the Company paid $24 million. As of December 31, 2010, the notional amount and fair value of derivatives not designated as hedging instruments were $375 million and $2 million, respectively.

There were no derivative instruments designated for hedge accounting during 2011. The Company settled all remaining derivative instruments in 2011. The impact of these instruments on income was not material.

The following table presents the impact of derivative instruments on income and other comprehensive income (loss) (in millions).

			Year Ended December 31,
	Instrument Type		2011		2010
Derivatives designated as hedging instruments:
Amount recognized in other comprehensive income (loss), gross of tax		Interest rate contacts	$	—	$	(31	)
Amount reclassified from accumulated other comprehensive income (loss) into interest expense, net		Interest rate contacts	$	—	$	(18	)
Derivatives not designated as hedging instruments:
Amount recognized in other (expense) income, net		Interest rate contacts	$	—	$	(29	)

NOTE 12. EQUITY

Common Stock

The Company has three series of common stock authorized, issued and outstanding as of December 31, 2011: Series A common stock, Series B convertible common stock (“Series B common stock”) and Series C common stock. Holders of these three series of common stock have equal rights, powers and privileges, except as otherwise noted. Holders of Series A common stock are entitled to one vote per share and holders of Series B common stock are entitled to ten votes per share on all matters voted on by stockholders, except for directors to be elected by holders of the Company’s Series A convertible preferred stock. Holders of Series C common stock are not entitled to any voting rights, except as required by Delaware law. Generally, holders of Series A common stock and Series B common stock and Series A convertible preferred stock vote as one class, except for certain preferential rights afforded to holders of Series A convertible preferred stock.

Holders of Series A common stock, Series B common stock and Series C common stock will participate equally in cash dividends if declared by the Board of Directors, subject to preferential rights of outstanding preferred stock.

Each share of Series B common stock is convertible, at the option of the holder, into one share of Series A common stock. Series A and Series C common stock are not convertible.

Generally, distributions made in shares of Series A common stock, Series B common stock or Series C common stock will be made proportionally to all common stockholders. In the event of a reclassification, subdivision or combination of any series of common stock, the shares of the other series of common stock will be equally reclassified, subdivided or combined.

In the event of a liquidation, dissolution, or winding up of Discovery, after payment of Discovery’s debts and liabilities and subject to preferential rights of outstanding preferred stock, holders of Series A common stock, Series B common stock and Series C common stock and holders of Series A and Series C preferred stock will share equally in any assets available for distribution to holders of common stock.

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Preferred Stock

The Company has two series of preferred stock authorized, issued and outstanding as of December 31, 2011: Series A convertible preferred stock and Series C convertible preferred stock. In addition to the 150 million shares authorized for Series A and Series C convertible preferred stock (75 million for each series) disclosed on the consolidated balance sheets, the Company has authorized 50 million shares of preferred stock that are undesignated and issuable in accordance with the provisions of the Company’s charter. As of December 31, 2011, all outstanding shares of Series A and Series C convertible preferred stock are held by Advance/Newhouse Programming Partnership (“Advance/Newhouse”).

Holders of Series A and Series C convertible preferred stock have equal rights, powers and privileges, except as otherwise noted. Except for the election of common stock directors, the holders of Series A convertible preferred stock are entitled to vote on matters to which holders of Series A and Series B common stock are entitled to vote and holders of Series C convertible preferred stock are entitled to vote on matters to which holders of Series C common stock are entitled to vote pursuant to Delaware law. Series A convertible preferred stockholders vote on an as converted to common stock basis together with the Series A and Series B common stock as a single class on all matters except the election of directors. Additionally, through its ownership of the Series A and Series C convertible preferred stock, Advance/Newhouse has special voting rights on certain matters and the right to elect three directors. Holders of the Company’s common stock are not entitled to vote in the election of such directors. Advance/Newhouse retains these rights so long as it or its permitted transferees own or have the right to vote such shares that equal at least 80% of the shares of Series A convertible preferred stock issued to Advance/Newhouse in connection with the formation of Discovery plus any Series A convertible preferred stock released from escrow, as may be adjusted for certain capital transactions (the “Base Amount”).

Subject to the prior preferences and other rights of any senior stock, holders of Series A and Series C convertible preferred stock will participate equally with common stockholders on an as converted to common stock basis in any cash dividends declared by the Board of Directors.

Each share of Series A and Series C convertible preferred stock is convertible, at the option of the holder, into one share of Series A or Series C common stock, respectively, subject to anti-dilution adjustments. Generally, each share of Series A and Series C convertible preferred stock will automatically convert into the applicable series of common stock if such shares are transferred from Advance/Newhouse to a third-party and such transfer is not a permitted transfer. Additionally, all of the outstanding Series A and Series C convertible preferred stock will automatically convert into the applicable series of common stock at such time as the number of outstanding shares of Series A convertible preferred stock is less than 80% of the Base Amount. Additionally, the Company and Advance/Newhouse are parties to an escrow agreement that entitles Advance/Newhouse to additional shares of Series A or Series C convertible preferred stock in the event the Company issues common stock to settle the exercise of stock options and stock appreciation rights that the Company assumed in connection with the formation of Discovery on September 17, 2008. The Company initially placed approximately 1.6 million shares of Series A and Series C convertible preferred stock (approximately 800,000 for each series) into an escrow account pursuant to this agreement. The Company records a noncash stock dividend when the additional shares of preferred stock become due to Advance/Newhouse. The dividend recorded for each preferred share due to Advance/Newhouse is measured at the fair value of the Series A or Series C convertible preferred stock on September 17, 2008, which is the date Discovery was formed and entered into the obligation to contingently issue additional preferred shares to Advance/Newhouse.

In the event of a liquidation, dissolution or winding up of Discovery, after payment of Discovery’s debts and liabilities and subject to the prior payment with respect to any stock ranking senior to Series A and Series C convertible preferred stock, the holders of Series A and Series C convertible preferred stock will receive, before any payment or distribution is made to the holders of any common stock or other junior stock, an amount (in cash or property) equal to $0.01 per share. Following payment of such amount and the payment in full of all amounts owing to the holders of securities ranking senior to Discovery’s common stock, holders of Series A and Series C convertible preferred stock will share equally on an as converted to common stock basis with the holders of common stock any assets remaining for distribution to such holders.

In connection with the formation of Discovery on September 17, 2008, the Company issued 70 million and 70 million shares of its Series A convertible preferred stock and Series C convertible preferred stock, respectively, to Advance/Newhouse.

Stock Repurchase Program

On August 3, 2010, the Company implemented a stock repurchase program with authorization to purchase up to $1.0 billion of its common stock. On July 27, 2011, the Company’s Board of Directors authorized the Company to purchase up to an additional $1.0 billion of its common stock under this stock repurchase program. In total, the Company has been authorized to purchase $2.0 billion of its common stock under its repurchase program. The repurchase program has no expiration date. During 2011, the Company repurchased 27 million shares of its Series C common stock for an aggregate purchase price of $997 million through open market transactions. During 2010, the Company repurchased 3 million shares of its Series C common stock for an aggregate purchase price of $105 million through open market transactions. The repurchases made during 2011 and 2010 were funded using cash on hand. As

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of December 31, 2011, the Company had remaining authorization of $898 million for future repurchases of its common stock. The stock repurchases were recorded in a separate account at cost, which was reported as a reduction in equity.

Preferred Stock Repurchase

On December 13, 2010, the Company repurchased and retired approximately 13.73 million shares of its Series C convertible preferred stock from Advance/Newhouse for an aggregate purchase price of $500 million. The repurchase was made outside of the Company’s publicly announced stock repurchase program. The $500 million aggregate purchase price was recorded as a decrease of $100,000 to par value, $234 million to additional paid-in capital, and $266 million to retained earnings, because the additional paid-in capital related to the series of shares repurchased was reduced to zero.

Stock Dividends to Preferred Interests

The Company declared noncash stock dividends of $1 million and $8 million to its preferred stock shareholder during 2010 and 2009, respectively. The Company released approximately 43,000 and 254,000 of its Series A common stock and approximately 60,000 and 211,000 of its Series C common stock from escrow during 2010 and 2009, respectively, in payment of most of the dividends declared. The Company is contractually obligated to issue the dividends upon the issuance of its common stock to settle the exercise of stock options and stock appreciation rights that it assumed in connection with its formation on September 17, 2008. No stock dividends were declared during 2011.

Other Comprehensive Income (Loss)

The tax effects related to each component of other comprehensive income (loss) were as follows (in millions).

	Before-tax Amount			Tax (Expense) Benefit			Net-of-tax Amount
Year ended December 31, 2009:
Foreign currency translation adjustments	$	42		$	(15	)	$	27
Market value adjustments and reclassifications for securities and derivatives		47			(17	)		30
Other comprehensive income	$	89		$	(32	)	$	57
Year ended December 31, 2010:
Foreign currency translation adjustments	$	(30	)	$	11		$	(19	)
Market value adjustments and reclassifications for securities and derivatives		11			(4	)		7
Other comprehensive loss	$	(19	)	$	7		$	(12	)
Year ended December 31, 2011:
Foreign currency translation adjustments	$	15		$	(5	)	$	10
Other comprehensive income	$	15		$	(5	)	$	10

The components of accumulated other comprehensive loss were as follows (in millions).

	As of December 31,
	2011			2010			2009
Foreign currency translation adjustments, net	$	(29	)	$	(39	)	$	(20	)
Market value adjustments and reclassifications for securities and derivatives, net		6			6			(1	)
Ending balance	$	(23	)	$	(33	)	$	(21	)

NOTE 13. STOCK-BASED COMPENSATION

The Company has various incentive plans under which unit awards, SARs, stock options, PRSUs and RSUs have been issued.

As of December 31, 2011, the Company has reserved a total of 40 million shares of its Series A and Series C common stock for future exercises of outstanding and future grants of stock options and vesting of outstanding and future grants of PRSUs and RSUs. Upon exercise of stock options or vesting of PRSUs and RSUs, the Company issues new shares from its existing authorized but unissued shares. There were 24 million shares of common stock available in reserves that were available for future grant under the incentive plans as of December 31, 2011.

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Stock-Based Compensation Expense

Stock-based compensation expense was as follows (in millions).

	Year Ended December 31,
	2011		2010		2009
Unit awards	$	39	$	127	$	143
SARs		1		13		61
Stock options		36		30		22
PRSUs and RSUs		23		12		1
Other		—		—		1
Total stock-based compensation expense	$	99	$	182	$	228
Tax benefit recognized	$	37	$	68	$	80

Compensation expense for all awards was recorded in selling, general and administrative expense on the consolidated statements of operations. As of December 31, 2011 and 2010, the Company recorded total liabilities of $37 million and $125 million, respectively, for cash-settled awards. The current portion of the liability for cash-settled awards was $27 million and $118 million as of December 31, 2011 and 2010, respectively.

Stock-Based Award Activity

Unit Awards

Unit award activity for 2011 was as follows (in millions, except weighted average grant price and years).

	Unit Awards			Weighted- Average Grant Price		Weighted- Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding as of December 31, 2010		8.8		$	21.98
Granted		2.3			41.17
Settled		(5.4	)		20.61			$	125
Forfeited		(0.2	)		21.74
Outstanding as of December 31, 2011		5.5		$	31.44		1.02	$	55
Vested and expected to vest as of December 31, 2011		5.3		$	31.40		1.01	$	53

Unit awards represent the contingent right to receive a cash payment for the amount by which the vesting price exceeds the grant price. Because unit awards are cash-settled, the Company remeasures the fair value and compensation expense of outstanding unit awards each reporting date until settlement. The vesting price is the average closing price of the Company’s Series A common stock over the 10 trading days immediately preceding and including the vesting date and the 10 trading days immediately subsequent to the vesting date. The grant price is based on the average closing price of the Company’s Series A common stock over the 10 trading days immediately preceding and including the grant date and the 10 trading days immediately following the grant date. For certain awards the average grant price and average vesting price include a premium. Unit awards vest ratably in increments of 25% per year over four years beginning one year from the grant date based on continuous service and are generally settled within sixty days of vesting. Unit awards generally provide for accelerated vesting upon retirement or after reaching a specified age and years of service. The Company made cash payments totaling $125 million, $101 million and $58 million during 2011, 2010 and 2009, respectively, to settle vested unit awards. As of December 31, 2011, there was $33 million of unrecognized compensation cost, net of estimated forfeitures, related to unit awards, which is expected to be recognized over a weighted-average period of 1.81 years. Of the 5.5 million unit awards unvested as of December 31, 2011, 2.4 million and 1.5 million are scheduled to vest during 2012 and 2013, respectively.

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The fair value of outstanding unit awards is estimated using the Black-Scholes option-pricing model. The weighted-average assumptions used to determine the fair value of outstanding unit awards were as follows.

	As of December 31,
	2011			2010
Risk-free interest rate		0.19	%		0.39	%
Expected term (years)		1.02			0.80
Expected volatility		32.84	%		28.97	%
Dividend yield		—			—

The weighted-average fair value of unit awards outstanding as of December 31, 2011 and 2010 was $12.61 and $23.35, respectively, per unit award.

SARs

SARs entitle the holder to receive a cash payment for the amount by which the price of the Company’s Series A common stock exceeds the base price established on the grant date. SARs are granted with a base price equal to or greater than the closing market price of the Company’s Series A common stock on the date of grant.

There were immaterial amounts of SARs outstanding as of December 31, 2011 and 2010. The Company made cash payments in 2011, 2010 and 2009, totaling $1 million, $55 million and $23 million, respectively, to settle exercised SARs.

Stock Options

Stock option activity for 2011 was as follows (in millions, except weighted average exercise price and years).

	Stock Options			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding as of December 31, 2010		15.7		$	19.26
Granted		1.8			38.61
Exercised		(3.7	)		16.30			$	99
Forfeited		(1.1	)		23.93
Outstanding as of December 31, 2011		12.7		$	22.52		4.92	$	236
Vested and expected to vest as of December 31, 2011		12.5		$	22.46		5.08	$	232
Exercisable as of December 31, 2011		5.1		$	18.22		5.29	$	116

Stock options are granted with an exercise price equal to or in excess of the closing market price of the Company’s Series A common stock on the date of grant. Substantially all stock options vest ratably either in increments of approximately 33 1/3% each year over three years or in 25% increments each year over four years beginning one year from the grant date based on continuous service and expire three to ten years from the date of grant. Stock option awards generally provide for accelerated vesting upon retirement or after reaching a specified age and years of service. The Company received cash payments totaling $60 million, $47 million and $28 million during 2011, 2010 and 2009, respectively, from the exercise of stock options. As of December 31, 2011, there was $50 million of unrecognized compensation cost, net of expected forfeitures, related to stock options, which is expected to be recognized over a weighted-average period of 1.37 years.

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The fair value of stock options is estimated using the Black-Scholes option-pricing model. The weighted-average assumptions used to determine the fair value of stock options as of the date of grant during 2011, 2010 and 2009 were as follows.

	Year Ended December 31,
	2011			2010			2009
Risk-free interest rate		1.53	%		2.08	%		1.70	%
Expected term (years)		4.98			4.99			3.71
Expected volatility		40.17	%		38.27	%		45.60	%
Dividend yield		—			—			—

The weighted-average grant date fair value of options granted during 2011, 2010 and 2009 was $14.32, $13.03 and $6.45, respectively, per option. The total intrinsic value of options exercised during 2011, 2010, and 2009 was $99 million, $76 million, and $25 million, respectively.

PRSUs and RSUs

PRSU and RSU activity for 2011 was as follows (in millions, except weighted average grant price and years).

	PRSUs and RSUs			Weighted- Average Grant Price		Weighted- Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding as of December 31, 2010		1.5		$	32.66
Granted		1.0			38.88
Converted		—			—
Forfeited		(0.3	)		34.32
Outstanding as of December 31, 2011		2.2		$	35.48		1.87	$	88
Vested and expected to vest as of December 31, 2011		2		$	35.47		1.87	$	83

The Company has granted PRSUs to certain senior level executives. PRSUs represent the contingent right to receive shares of the Company’s Series A common stock, substantially all of which vest over three to four years based on continuous service and whether the Company achieves certain operating performance targets. The performance targets for substantially all PRSUs are cumulative measures of the Company’s adjusted operating income before depreciation and amortization (as defined in Note 21), free cash flows and revenues over a three year period. The number of PRSUs that vest principally range from 0% to 100% based on a sliding scale where achieving or exceeding the performance target will result in 100% of the PRSUs vesting and achieving less than 80% of the target will result in no portion of the PRSUs vesting. Additionally, for certain PRSUs the Company’s Compensation Committee has discretion in determining the final amount of units that vest. Upon vesting, each PRSU becomes convertible into a share of the Company’s Series A common stock on a one-for-one basis. Holders of PRSUs would not receive payments or accruals of dividends or dividend equivalents in the event the Company was to pay regular cash dividends until such PRSUs are converted into shares of the Company’s common stock.

The Company records compensation expense for PRSUs ratably over the longer of the service period or performance period when management estimates it is probable that the performance targets will be achieved. If the Company determines that achievement of the performance targets is not probable, the Company ceases recording compensation expense and all previously recognized compensation expense for the award is reversed in the period in which the Company makes its determination.

Compensation expense is separately recorded for each vesting tranche of PRSUs for a particular grant. For most PRSUs, the Company measures the fair value and related compensation cost based on the closing price of the Company’s Series A common stock on the grant date. For PRSUs for which the Company’s Compensation Committee has discretion in determining the final amount of units that vest, compensation cost is remeasured at each reporting date based on the closing price of the Company’s Series A common stock.

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As of December 31, 2011, there were approximately 1 million outstanding PRSUs with a weighted average grant price of $35.49. As of December 31, 2011, there was $29 million of unrecognized compensation cost, net of expected forfeitures, related to PRSUs, which is expected to be recognized over a weighted-average period of 1.59 years based on the Company’s current assessment of the PRSUs that will vest, which may differ from actual results.

RSUs vest ratably each year over periods of one to four years based on continuous service. As of December 31, 2011, there were approximately 1 million outstanding RSUs with a weighted-average grant price of $35.44. There was $15 million of unrecognized compensation cost, net of expected forfeitures as of December 31, 2011, related to RSUs, which is expected to be recognized over a weighted-average period of 2.57 years.

Employee Stock Purchase Plan

On May 17, 2011, the Company’s stockholders approved the DESPP, which enables eligible employees to purchase shares of the Company’s common stock through payroll deductions or other permitted means. Unless otherwise determined by the Company’s Compensation Committee, the purchase price for shares offered under the DESPP is 85% of the closing price of the Company’s Series A common stock on the purchase date. The Company recognizes the fair value of the discount associated with shares purchased under the plan as stock-based compensation expense. The initial offering period for the DESPP began on November 16, 2011 and ended on February 14, 2012. Stock-based compensation expense related to the initial offering was recorded in selling, general and administrative expense for the year ended December 31, 2011. The Company’s Board of Directors has authorized 5 million shares of the Company’s common stock to be issued under the DESPP. No shares were issued under the DESPP during the year ended 2011.

NOTE 14. RETIREMENT SAVINGS PLANS

The Company has defined contribution and other savings plans for the benefit of its employees that meet certain eligibility requirements. Eligible employees may contribute a portion of their eligible compensation to the plans, which may be subject to certain statutory limitations. The Company pays discretionary matching contributions, subject to plan provisions, which vest immediately. The Company paid discretionary matching contributions of $14 million, $13 million, and $15 million during 2011, 2010, and 2009, respectively, which were recorded in selling, general and administrative costs on the consolidated statements of operations.

The Company’s savings plans include a deferred compensation plan through which members of the Company’s management team in the U.S. may elect to defer up to 50% of their eligible compensation. The amounts deferred are invested in various mutual funds at the direction of the executive, which are used to finance payment of the deferred compensation obligation. Distributions from the deferred compensation plan are made upon termination or other events as specified in the plan.

The Company has established a separate trust to hold the investments that finance the deferred compensation obligation. The accounts of the separate trust are included in the Company’s consolidated financial statements. The values of the investments in the separate trust and the deferred compensation obligation were both $76 million and $55 million as of December 31, 2011 and 2010, respectively. The investments are included in prepaid expenses and other current assets and the deferred compensation obligation is included in accrued liabilities on the consolidated balance sheets.

The values of the investments and deferred compensation obligation are recorded at fair value. Changes in the fair value of the investments are offset by changes in the fair value of the deferred compensation obligation. Changes in the fair values of the investments and deferred compensation obligation were not material for 2011, 2010, and 2009. (See Note 6.)

NOTE 15. EXIT AND RESTRUCTURING CHARGES

Exit and restructuring charges, by reportable segment were as follows (in millions).

	Year Ended December 31,
	2011		2010		2009
U.S. Networks	$	4	$	3	$	12
International Networks		3		9		8
Education and Other		—		—		1
Corporate		3		2		5
Total exit and restructuring charges	$	10	$	14	$	26

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Changes in exit and restructuring liabilities by major category were as follows (in millions).

	Contract Termination Costs			Employee Relocations/ Terminations			Total
Liabilities as of December 31, 2008	$	6		$	18		$	24
Net accruals		5			21			26
Cash paid		(3	)		(26	)		(29	)
Liabilities as of December 31, 2009	$	8		$	13		$	21
Net accruals		3			11			14
Cash paid		(6	)		(14	)		(20	)
Liabilities as of December 31, 2010	$	5		$	10		$	15
Net accruals		—			10			10
Cash paid		(1	)		(15	)		(16	)
Liabilities as of December 31, 2011	$	4		$	5		$	9

During 2011, exit and restructuring costs primarily related to management changes and cost reduction efforts. Exit and restructuring charges for 2010 related to the realignment of the International Networks segment, cost reduction initiatives in the U.S., and the disposition of the Discovery Health network. The exit and restructuring charges incurred during 2009 related to realignments of portions of the Company’s operations to better support its strategic priorities and centralize certain functions, the transition of the commerce business to a licensing model, and cost reduction initiatives. The Company does not expect to incur a significant amount of additional costs with respect to these particular activities.

NOTE 16. INCOME TAXES

The domestic and foreign components of income from continuing operations before income taxes were as follows (in millions).

		$1,559		$1,559		$1,559
	Year Ended December 31,
	2011		2010		2009
Domestic	$	1,011	$	568	$	744
Foreign		548		367		295
Income from continuing operations before income taxes	$	1,559	$	935	$	1,039

The components of the provision for income taxes were as follows (in millions).

		$1,559			$1,559			$1,559
	Year Ended December 31,
	2011			2010			2009
Current:
Federal	$	253		$	184		$	389
State and local taxes		38			30			41
Foreign		109			63			60
		400			277			490
Deferred:
Federal		15			8			(15	)
State and local taxes		13			5			(3	)
Foreign		(3	)		(2	)		(3	)
		25			11			(21	)
Provision for income taxes	$	425		$	288		$	469

In November 2011, the Company reorganized certain of its international operations to better align its functions and establish a regional ownership structure. The regional holding companies are foreign corporations whose earnings will not be taxed in the U.S.

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until the earnings are repatriated back to the U.S. The Company has not recorded a provision for deferred U.S. tax expense that could result from the remittance of such undistributed earnings since the Company intends to reinvest the earnings of these foreign subsidiaries indefinitely. The Company’s share of the undistributed earnings of foreign corporations not included in its consolidated federal income tax returns that could be subject to additional income tax if remitted was approximately $181 million at December 31, 2011 and zero at December 31, 2010. The determination of the amount of unrecognized U.S. federal deferred income tax liability for undistributed earnings is not practicable.

As a result of the international reorganization, the Company has entered into intercompany license and royalty agreements with certain of its controlled foreign corporations to allow them the use of intangible property owned by the parent Company. The license fees will result in incremental U.S. tax expense, which will be recognized over the four-year estimated useful life of the intangible property. This incremental tax expense will be partially mitigated by the ability to utilize foreign tax credits resulting from foreign taxes which were paid in prior years. As a result, the Company recognized an income tax benefit of $112 million in the fourth quarter of 2011 related to the foreign tax credits, which were previously not considered realizable. Due to the lower statutory and negotiated tax rates in the foreign corporations’ jurisdictions, the Company expects a favorable impact on the effective tax rate in the future under the new operating structure.

The differences between income taxes expected at the U.S. federal statutory income tax rate of 35% and the effective income tax rate were as follows.

	Year Ended December 31,
	2011			2010			2009
U.S. federal statutory income tax rate		35	%		35	%		35	%
State and local income taxes, net of federal income taxes		2	%		3	%		2	%
Change in valuation allowance affecting tax expense		—	%		—	%		(1	)%
Effect of foreign operations		(1	)%		—	%		—	%
Foreign tax credit benefit		(7	)%		—	%		—	%
Domestic production activity deductions		(2	)%		(3	)%		(2	)%
Non-deductible goodwill		(1	)%		—	%		11	%
Release of foreign tax reserve		—	%		(3	)%		—	%
Other, net		1	%		(1	)%		—	%
Effective income tax rate		27	%		31	%		45	%

Discovery’s effective tax rate for 2011 differed from the federal statutory rate of 35% principally due to the recognition of $112 million net benefit for foreign tax credits as discussed above and production activity deductions, which were partially offset by state income taxes. The Company was not required to record a deferred tax liability of $21 million with respect to the portion of the outside basis in the OWN venture attributable to the nondeductible goodwill contributed to OWN.

The effective tax rate for 2010 differed from the federal statutory rate of 35% due primarily to the reversal of a $28 million previously established foreign tax reserve recorded in connection with the completion of a tax audit, and production activity deductions which were partially offset by state taxes.

The effective tax rate for 2009 differed from the federal income tax rate of 35% primarily due to a permanent difference on the $252 million gain from the U.S. Discovery Kids Transaction and state taxes, which were partially offset by deductions for production activities and the release of a valuation allowance of $12 million.

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Components of deferred income tax assets and liabilities were as follows (in millions).

	As of December 31,
	2011			2010
Deferred income tax assets:
Accounts receivable	$	2		$	5
Tax attribute carry-forward		158			83
Unrealized loss on derivatives, investments and foreign currency translation adjustments		19			21
Property and equipment		—			23
Accrued liabilities and other		105			148
Total deferred income tax assets		284			280
Valuation allowance		(24	)		(13	)
Net deferred income tax assets		260			267
Deferred income tax liabilities:
Intangible assets		(158	)		(147	)
Content rights		(196	)		(183	)
Unrealized gains on investments		—			(38	)
Equity method investments		(132	)		(78	)
Notes receivable		(18	)		(20	)
Other		(20	)		(24	)
Total deferred income tax liabilities		(524	)		(490	)
Net deferred income tax liabilities	$	(264	)	$	(223	)

The Company’s deferred income tax assets and liabilities were reported on the consolidated balance sheets as follows (in millions).

	As of December 31,
	2011			2010
Deferred income tax assets	$	73		$	81
Deferred income tax liabilities		(337	)		(304	)
Net deferred income tax liabilities	$	(264	)	$	(223	)

As of December 31, 2011, the Company had federal operating loss carry-forwards of $35 million that begin to expire in 2022, foreign tax credit carry-forwards of $214 million that will begin to expire at the end of 2012, and state operating loss carry-forwards of $669 million in various state jurisdictions that will begin to expire at the end of 2012. The deferred tax asset related to the state operating loss carry-forwards of $16 million is subject to a valuation allowance of $16 million. The use of the federal operating loss carry-forwards are subject to annual limitations.

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A reconciliation of the beginning and ending amounts of unrecognized tax benefits (without related interest amounts) is as follows (in millions).

	Year Ended December 31,
	2011			2010			2009
Beginning balance	$	63		$	71		$	74
Additions based on tax positions related to the current year		15			10			2
Additions for tax positions of prior years		7			3			2
Reductions for tax positions of prior years		(20	)		—			(6	)
Settlements		(1	)		(26	)		(1	)
Reductions as result of statute lapse		(18	)		—			(1	)
Additions for foreign currency exchange rates		—			5			1
Ending balance	$	46		$	63		$	71

As of December 31, 2010, the Company’s unrecognized tax benefit (excluding related interest expense) was $63 million. The balance decreased by $17 million (excluding related interest expense) during the year ended December 31, 2011 to $46 million. The reduction for tax positions of prior years was primarily a result of reductions of prior year unrecognized tax positions and statute lapse offset by an increase in U.S. and foreign tax reserve related to 2011.

The balances as of December 31, 2011, 2010 and 2009 included $35 million, $42 million and $53 million, respectively, of unrecognized tax benefits, that if recognized, would reduce the Company’s income tax expense and effective tax rate after giving effect to interest deductions and offsetting benefits from other tax jurisdictions.

Discovery and its subsidiaries file U.S. federal, state, and foreign income tax returns. The Company is currently under examination by the Internal Revenue Service (“IRS”) for its 2009 and 2008 consolidated federal income tax returns. The Company has not been advised of any material adjustments. With few exceptions, the Company is no longer subject to audit by the IRS, state tax authorities or foreign tax authorities for years prior to 2006. The IRS recently completed an examination of the 2006 and 2007 returns, with no significant adjustments.

It is reasonably possible that the total amount of unrecognized tax benefits related to tax positions could decrease by as much as $14 million within the next twelve months as a result of settlement of audit issues and/or payment of uncertain tax liabilities.

The Company’s policy is to classify tax interest and penalties related to unrecognized tax benefits as tax expense. As of December 31, 2011, 2010 and 2009, the Company had accrued approximately $3 million, $6 million and $9 million, respectively, of total interest payable related to uncertain tax positions.

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NOTE 17. NET INCOME PER SHARE AVAILABLE TO DISCOVERY COMMUNICATIONS, INC. STOCKHOLDERS

The following table presents a reconciliation of income and weighted average number of shares outstanding between basic and diluted income per share (in millions, except per share amounts).

	Year Ended December 31,
	2011			2010			2009
Numerator:
Income from continuing operations, net of taxes	$	1,134		$	647		$	570
Less:
Net income attributable to noncontrolling interests		(1	)		(16	)		(15	)
Stock dividends to preferred interests		—			(1	)		(8	)
Income from continuing operations available to Discovery Communications, Inc. stockholders		1,133			630			547
(Loss) income from discontinued operations available to Discovery Communications, Inc. stockholders		(1	)		22			(6	)
Net income available to Discovery Communications, Inc. stockholders – basic and diluted	$	1,132		$	652		$	541
Denominator:
Weighted average shares outstanding – basic		401			425			423
Dilutive effect of equity awards		4			4			2
Weighted average shares outstanding – diluted		405			429			425
Income (Loss) Per Share:
Income per share from continuing operations available to Discovery Communications, Inc. stockholders:
Basic	$	2.82		$	1.48		$	1.29
Diluted	$	2.80		$	1.47		$	1.29
(Loss) income per share from discontinued operations available to Discovery Communications, Inc. stockholders:
Basic	$	—		$	0.05		$	(0.01	)
Diluted	$	—		$	0.05		$	(0.01	)
Net income per share available to Discovery Communications, Inc. stockholders:
Basic	$	2.82		$	1.53		$	1.28
Diluted	$	2.80		$	1.52		$	1.27

Income per share amounts may not sum since each is calculated independently.

Income per share is calculated by dividing the applicable income available to Discovery Communications, Inc. stockholders by the weighted average number of shares outstanding. Diluted income per share adjusts basic income per share for the dilutive effect of the assumed exercise of outstanding stock options and stock-settled SARs and the vesting of outstanding service based RSUs, using the treasury stock method. Diluted income per share also adjusts basic income per share for the dilutive effect of the assumed vesting of outstanding PRSUs or other contingently issuable shares that would be issued under the respective arrangements assuming the last day of the most recent fiscal period was the end of the contingency period.

At December 31, 2011 and 2010, the weighted average number of basic and diluted shares outstanding included the Company’s outstanding Series A, Series B, and Series C common stock, as well as its outstanding Series A and Series C convertible preferred stock, as the holder of each common and preferred series legally participates equally in any per share distributions.

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For the year ended December 31, 2011, the computation of diluted income per share excluded 1 million options because their inclusion would have been anti-dilutive. For the year ended December 31, 2011, the computation of diluted income per share excluded 1 million PRSUs because their performance targets were not achieved. Additionally for the year ended December 31, 2011, the computation of diluted income per share excluded 1 million contingently issuable preferred shares for which specific release criteria were not met.

For the year ended December 31, 2010, the computation of diluted income per share excluded 3 million options because their inclusion would have been anti-dilutive. For the year ended December 31, 2010, the computation of diluted income per share excluded 1 million PRSUs because their performance targets were not achieved. Additionally for the year ended December 31, 2010, the computation of diluted income per share excluded 1 million contingently issuable preferred shares for which specific release criteria were not met.

Diluted income per share for 2009 excluded 2 million anti-dilutive stock options and 1 million contingently issuable preferred shares because the specific release criteria were not met.

Employee Stock Purchase Program

The Company’s Board of Directors has authorized 5 million shares of the Company’s common stock to be issued under the DESPP as discussed in Note 13. The initial offering period for the DESPP began on November 16, 2011, and ended on February 14, 2012. No DESPP shares have been included in the computation of diluted income per share based on their limited impact. (See discussion in Note 13.)

NOTE 18. SUPPLEMENTAL DISCLOSURES

Valuation and Qualifying Accounts

Changes in valuation and qualifying accounts consisted of the following (in millions).

	Beginning of Year		Additions		Write-offs			Utilization			Other		End of Year
2011:
Allowance for doubtful accounts	$	13	$	2	$	(3	)	$	—		$	—	$	12
Deferred tax valuation allowance		13		11		—			—			—		24
2010:
Allowance for doubtful accounts		15		3		(6	)		—			1		13
Deferred tax valuation allowance		22		3		(9	)		(3	)		—		13
2009:
Allowance for doubtful accounts		16		4		(6	)		—			1		15
Deferred tax valuation allowance		32		1		—			(11	)		—		22

Other changes in the above table primarily include foreign currency translation adjustments.

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Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in millions).

	As of December 31,
	2011		2010
Tax receivable	$	44	$	116
Other		131		109
Total prepaid expenses and other current assets	$	175	$	225

Accrued Liabilities

Accrued liabilities consisted of the following (in millions).

	As of December 31,
	2011		2010
Accrued payroll and related benefits	$	229	$	214
Content rights payable		86		55
Accrued income taxes		38		29
Accrued other		129		95
Total accrued liabilities	$	482	$	393

Other (Expense) Income, Net

Other (expense) income, net consisted of the following (in millions).

	Year Ended December 31,
	2011			2010			2009
Unrealized gains (losses) on derivative instruments, net	$	2		$	13		$	26
Realized losses on derivative instruments, net		(3	)		(42	)		(6	)
Loss from equity investees		(35	)		(57	)		(24	)
Realized gains on sales of investments		—			—			15
Other, net		4			—			2
Total other (expense) income, net	$	(32	)	$	(86	)	$	13

During 2009, the Company sold an investment in equity securities for $22 million, which resulted in a pretax gain of $13 million. Approximately $6 million of the pretax gain was a reclassification of unrealized gains from other comprehensive income (loss).

NOTE 19. RELATED PARTY TRANSACTIONS

In the normal course of business the Company enters into transactions with other entities that are equity method investees of the Company or who share common directorship and ownership. Transactions with these entities are considered related party transactions. The following is a description of the Company’s related parties and details of related party transactions.

Equity Method Investees

The Company provides equity method investees, including unconsolidated VIEs, with content licenses and services such as distribution, sales, and administrative support. (See Note 4.) Transactions for services provided to equity method investees totaled $88 million, $55 million, and $27 million, during 2011, 2010 and 2009, respectively. Operating expenses for services acquired from equity method investees were $10 million, $7 million, and approximately zero during 2011, 2010 and 2009, respectively. Of these services, the Company provided funding for $34 million, $7 million and zero during 2011, 2010 and 2009, respectively.

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The Company’s equity method investment balance includes a note receivable of $312 million. (See discussion in Note 4). The Company records interest earnings from loans to equity method investees as a component of losses from equity method investees, net, which is a component of other expense, net. Interest earnings from related parties recorded by the Company totaled $17 million, $6 million, and zero for the years ended December 31, 2011, 2010, and 2009, respectively.

Liberty Global, Liberty Interactive, Liberty Media, ACG and DIRECTV

The Company’s other related parties include entities that share common directorship or ownership. The majority of the revenues earned under contractual arrangements with other related parties relate to multi-year network distribution arrangements.

Discovery’s Board of Directors includes three members who serve as directors of Liberty Global, Inc. (“Liberty Global”), including John C. Malone, who is Chairman of the Board of Liberty Global and beneficially owns approximately 35% of the aggregate voting power, with respect to the election of directors of Liberty Global.

On September 23, 2011, Liberty Interactive Corporation (“Liberty Interactive” formerly known as Liberty Media Corporation) completed the split-off of Liberty Media Corporation (“Liberty Media” formerly known as Liberty CapStarz, Inc.), which became a separate publicly traded company. Two members of the Company’s Board of Directors also serve as directors of Liberty Interactive and two members of the Company’s Board of Directors serve as directors of Liberty Media. Dr. Malone is Chairman of the Board of Liberty Interactive and Liberty Media, and beneficially owns approximately 32% and 58% of the aggregate voting power with respect to the election of directors of each company, respectively.

Revenues from transactions with Liberty Global, Liberty Interactive, and Liberty Media (the “Liberty Group”) totaled $35 million, $31 million, and $30 million, for the years ended December 31, 2011, 2010 and 2009, respectively. Expenses from transactions with the Liberty Group for the years ended December 31, 2011, 2010 and 2009 were not material. The Company’s receivable and payable balances as of December 31, 2011 and 2010 from transactions with the Liberty Group were not material.

Effective January 25, 2010, Dr. Malone joined the Board of ACG and beneficially owns approximately 30% of the aggregate voting power of ACG. Operating expenses from transactions with ACG were $27 million and $41 million for the years ended December 31, 2011 and 2010, respectively. Revenues from transactions with ACG for the years ended December 31, 2011 and 2010 were not material. The Company’s receivable and payable balances as of December 31, 2011 and 2010 from transactions with ACG were not material.

Prior to June 16, 2010, the Company’s Board of Directors also included two members who served as directors of DIRECTV, including Dr. Malone, who was the former Chairman of the Board of DIRECTV. Through June 16, 2010, transactions with DIRECTV are reported as related party transactions. Related party revenues from transactions with DIRECTV were $104 million and $208 million for the years ended December 31, 2010 and 2009, respectively. Expenses from transactions with DIRECTV were not material for the years ended December 31, 2010 and 2009.

NOTE 20. COMMITMENTS AND CONTINGENCIES

Contractual Commitments

As of December 31, 2011, the Company’s significant contractual commitments, including related payments due by period, were as follows (in millions).

	Year Ending December 31,
	Leases
	Operating		Capital		Content		Other		Total
2012		64		33		250		171		518
2013		54		18		31		125		228
2014		50		15		29		50		144
2015		34		14		2		24		74
2016		31		12		—		18		61
Thereafter		73		41		—		204		318
Total minimum payments		306		133		312		592		1,343
Less amounts representing interest		—		27		—		—		27
Total	$	306	$	106	$	312	$	592	$	1,316

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The Company enters into multi-year lease arrangements for transponders, office space, studio facilities, and other equipment. Most leases are not cancelable prior to their expiration.

Content purchase obligations include obligations for contracts with certain third-party producers for the production of programming that airs on the Company’s television networks. Production contracts generally require the Company to purchase a specified number of episodes of the program. Content purchase obligations also include program licenses that typically require payments over the terms of the licenses. Licensed programming includes both programs that have been delivered and are available for airing and programs that have not yet been produced. If the programs are not produced, the Company’s commitments would generally expire without obligation. The commitments disclosed above do not include content liabilities recognized on the consolidated balance sheet.

Other purchase obligations include multi-year agreements with certain vendors and suppliers for the purchase of goods and services whereby the underlying agreements are enforceable, legally binding and specify all significant terms. Significant purchase obligations include transmission services, television rating services, marketing research, employment contracts, equipment purchases, and information technology and other services. These contracts typically do not require the purchase of fixed or minimum quantities and generally may be terminated with a 30-day to 60-day advance notice without penalty.

In addition to the amounts in the above table, the Company is committed to fund up to $234 million to certain ventures, of which $209 million had been funded through December 31, 2011. The Company expects to provide significant uncommitted additional funding to OWN, which is not included in the funding commitments above. (See Note 4.) The Company also has an obligation to issue additional preferred shares under the anti-dilution provisions of its outstanding preferred stock. (See Note 12.)

Contingencies

Put Right

Harpo has the right to require the Company to purchase its interest in OWN for fair value at various dates. (See Note 4.) No amounts were recorded for the put right obligations as of December 31, 2011 and December 31, 2010.

Legal Matters

In the normal course of business, the Company experiences routine claims and legal proceedings. It is the opinion of the Company’s management, based on information available at this time, that none of the current claims and proceedings will have a material adverse effect on the Company’s consolidated financial position, results of operations, or cash flows.

Guarantees

The Company has guaranteed a certain level of performance for The Hub joint venture. (See Note 4.) There were no material amounts recorded for guarantees to equity method investees as of December 31, 2011 and December 31, 2010.

The Company may provide or receive indemnities intended to allocate certain business transaction risks. Similarly, the Company may remain contingently liable for certain obligations of a divested business in the event that a third party does not fulfill its obligations under an indemnification obligation. The Company records a liability for its indemnification obligations and other contingent liabilities when probable and estimable. There were no material amounts for indemnifications or other contingencies recorded as of December 31, 2011 and December 31, 2010.

NOTE 21. REPORTABLE SEGMENTS

The Company’s reportable segments are determined based on (i) financial information reviewed by the chief operating decision maker (“CODM”), the Chief Executive Officer, (ii) internal management and related reporting structure and (iii) the basis upon which the CODM makes resource allocation decisions.

The accounting policies of the reportable segments are the same as the Company’s, except that certain inter-segment transactions that are eliminated at the consolidated level are not eliminated at the segment level as they are treated as a third-party sales transactions in determining segment performance. Inter-segment transactions, which primarily include the purchase of advertising and content between segments, were not significant for the periods presented.

The Company evaluates the operating performance of its segments based on financial measures such as revenues and adjusted operating income before depreciation and amortization (“Adjusted OIBDA”). Adjusted OIBDA is defined as revenues less costs of

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revenues and selling, general and administrative expenses excluding: (i) mark-to-market stock-based compensation, (ii) depreciation and amortization, (iii) amortization of deferred launch incentives, (iv) exit and restructuring charges, (v) certain impairment charges and (vi) gains (losses) on business and asset dispositions. The Company uses this measure to assess the operating results and performance of its segments, perform analytical comparisons, identify strategies to improve performance and allocate resources to each segment. The Company believes Adjusted OIBDA is relevant to investors because it allows them to analyze the operating performance of each segment using the same metric management uses. The Company excludes mark-to-market stock-based compensation, exit and restructuring charges, certain impairment charges and gains (losses) on business and asset dispositions from the calculation of Adjusted OIBDA due to their volatility. The Company also excludes depreciation of fixed assets and amortization of intangible assets and deferred launch incentives as these amounts do not represent cash payments in the current reporting period. Adjusted OIBDA should be considered in addition to, but not a substitute for, operating income, net income, cash flows provided by operating activities and other measures of financial performance reported in accordance with GAAP.

The following tables present summarized financial information for each of the Company’s reportable segments (in millions).

Revenues by Segment

	Year Ended December 31,
	2011			2010		2009
U.S. Networks	$	2,619		$	2,363	$	2,170
International Networks		1,455			1,251		1,131
Education and Other		162			153		148
Corporate and inter-segment eliminations		(1	)		6		9
Total revenues	$	4,235		$	3,773	$	3,458

Adjusted OIBDA by Segment

	Year Ended December 31,
	2011			2010			2009
U.S. Networks	$	1,495		$	1,365		$	1,229
International Networks		645			545			445
Education and Other		23			15			16
Corporate and inter-segment eliminations		(249	)		(226	)		(204	)
Total Adjusted OIBDA	$	1,914		$	1,699		$	1,486

Reconciliation of Total Adjusted OIBDA to Total Operating Income

	Year Ended December 31,
	2011			2010			2009
Total Adjusted OIBDA	$	1,914		$	1,699		$	1,486
Amortization of deferred launch incentives		(52	)		(42	)		(55	)
Mark-to-market stock-based compensation		(43	)		(142	)		(205	)
Depreciation and amortization		(119	)		(130	)		(152	)
Restructuring and impairment charges		(30	)		(25	)		(52	)
Gains on dispositions		129			—			252
Total operating income	$	1,799		$	1,360		$	1,274

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Total Assets by Segment

	As of December 31,
	2011		2010
U.S. Networks	$	2,679	$	2,218
International Networks		1,244		1,127
Education and Other		68		74
Corporate		7,922		7,600
Total assets	$	11,913	$	11,019

Total assets allocated to “Corporate” in the above table includes the Company’s goodwill balance as the financial reports reviewed by the Company’s CODM do not include an allocation of goodwill to each reportable segment. Goodwill by reportable segment is disclosed in Note 9.

Content Amortization and Impairment Expense by Segment

		$4,235		$4,235		$4,235
	Year Ended December 31,
	2011		2010		2009
U.S. Networks	$	567	$	463	$	439
International Networks		270		241		259
Education and Other		4		7		8
Corporate		5		4		3
Total content amortization and impairment expense	$	846	$	715	$	709

Content amortization and impairment expenses are included in costs of revenues on the consolidated statements of operations.

Revenues by Country

		$4,235		$4,235		$4,235
	Year Ended December 31,
	2011		2010		2009
U.S.	$	2,784	$	2,504	$	2,297
Non-U.S.		1,451		1,269		1,161
Total revenues	$	4,235	$	3,773	$	3,458

Distribution and advertising revenues are attributed to each country based on the location of the Company’s viewers. Other revenues are attributed to each country based on customer location.

Property and Equipment by Country

	As of December 31,
	2011		2010
U.S.	$	271	$	280
U.K.		80		84
Other non-U.S.		28		35
Total property and equipment, net	$	379	$	399

Property and equipment balances are allocated to each country based on the Company’s country of domicile and location of asset.

95

NOTE 22. SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

	Quarter Ended
	March 31,			June 30,			September 30,			December 31,
2011(1)(2)(3)(4)(5)
Revenues	$	951		$	1,067		$	1,095		$	1,122
Costs of revenues, excluding depreciation and amortization		273			288			342			330
Operating income		507			445			426			421
Income from continuing operations, net of taxes		305			254			238			337
Loss from discontinued operations, net of taxes		—			—			(1	)		—
Net income		305			254			237			337
Net income attributable to noncontrolling interests		—			—			—			(1	)
Net income available to Discovery Communications, Inc. stockholders	$	305		$	254		$	237		$	336
Income per share from continuing operations available to Discovery Communications, Inc. stockholders:
Basic	$	0.75		$	0.63		$	0.60		$	0.86
Diluted	$	0.74		$	0.62		$	0.59		$	0.86
Loss per share from discontinued operations available to Discovery Communications, Inc. stockholders:
Basic	$	—		$	—		$	—		$	—
Diluted	$	—		$	—		$	—		$	—
Net income per share available to Discovery Communications, Inc. stockholders:
Basic	$	0.75		$	0.63		$	0.60		$	0.86
Diluted	$	0.74		$	0.62		$	0.59		$	0.86
Weighted average shares outstanding:
Basic		409			406			398			391
Diluted		414			410			401			393
2010(1)(6)(7)(8)(9)(10)
Revenues	$	869		$	963		$	926		$	1,015
Costs of revenues, excluding depreciation and amortization		267			254			261			291
Operating income		282			372			312			394
Income from continuing operations, net of taxes		173			110			164			200
Income from discontinued operations, net of taxes		—			—			25			(3	)
Net income		173			110			189			197
Net income attributable to noncontrolling interests		(4	)		(3	)		(3	)		(6	)
Net income attributable to Discovery Communications, Inc.		169			107			186			191
Stock dividends to preferred interests		—			(1	)		—			—
Net income available to Discovery Communications, Inc. stockholders	$	169		$	106		$	186		$	191
Income per share from continuing operations available to Discovery Communications, Inc. stockholders:
Basic	$	0.40		$	0.25		$	0.38		$	0.46
Diluted	$	0.39		$	0.25		$	0.37		$	0.45
(Loss) income per share from discontinued operations available to Discovery Communications, Inc. stockholders:
Basic	$	—		$	—		$	0.06		$	(0.01	)
Diluted	$	—		$	—		$	0.06		$	(0.01	)
Net income per share available to Discovery Communications, Inc. stockholders:
Basic	$	0.40		$	0.25		$	0.44		$	0.45
Diluted	$	0.39		$	0.25		$	0.43		$	0.45
Weighted average shares outstanding:
Basic		425			426			426			422
Diluted		429			431			431			428

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⁽¹⁾  Income per share amounts for the quarters and full years have each been calculated separately. Accordingly, income per share amounts for a particular quarter may not sum. Additionally, quarterly amounts may not add to the annual amounts because of differences in the average common shares outstanding during each period and, with regard to diluted per common share amounts only, because of the inclusion of the effect of potentially dilutive securities only in the periods in which such effect would have been dilutive.

⁽²⁾  The results of operations for the quarter ended March 31, 2011 include a pretax gain of $129 million related to the contribution of the domestic Discovery Health network to OWN LLC in connection with the launch of OWN on January 1, 2011. The gain resulted in $27 million of tax expense. (See Note 4.) Additionally, the Company incurred $1 million of restructuring charges and purchased 4.73 million shares of its Series C common stock.

⁽³⁾  The results of operations for the quarter ended June 30, 2011 include $4 million of restructuring charges. Additionally, the Company repurchased 5.64 million shares of its Series C common stock.

⁽⁴⁾  The results of operations for the quarter ended September 30, 2011 include $2 million of restructuring charges. Additionally the Company repurchased 9.79 million shares of its Series C common stock.

⁽⁵⁾  The results of operations for the quarter ended December 31, 2011 include a $112 million income tax benefit related to foreign tax credits and $3 million of exit and restructuring charges. Additionally, the Company repurchased 7.00 million shares of its Series C common stock.

⁽⁶⁾  The results of operations for the quarter ended March 31, 2010 include a $28 million reversal of foreign tax reserves, $4 million of losses on interest rate swaps, and $3 million of restructuring charges.

⁽⁷⁾  The results of operations for the quarter ended June 30, 2010 include a $136 million loss on extinguishment of debt and $23 million of losses on interest rate swaps.

⁽⁸⁾  The results of operations for the quarter ended September 30, 2010 include a $12 million reversal of a tax payable related to discontinued operations, an $11 million pretax noncash impairment charge related to goodwill, and $4 million of exit and restructuring charges. Additionally, the Company repurchased 1.12 million shares of its Series C common stock.

⁽⁹⁾  On September 1, 2010, the Company sold its Antenna Audio business for net cash proceeds of $24 million, which resulted in a $9 million gain, net of taxes. The operating results of Antenna Audio have been reported as discontinued operations for all periods. Certain quarterly financial data in the above table vary from the amounts previously reported on the Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2010 due to subsequent presentation of Antenna Audio as discontinued operations.

⁽¹⁰⁾  The results of operations for the quarter ended December 31, 2010 include $7 million of exit and restructuring charges. Additionally, the Company repurchased 1.87 million shares of its Series C common stock and 13.73 million shares of its Series C convertible preferred stock.

NOTE 23. CONDENSED CONSOLIDATING FINANCIAL INFORMATION

Overview

As of December 31, 2011 and 2010, the senior notes outstanding have been issued by DCL, a wholly-owned subsidiary of the Company, pursuant to a Registration Statement on Form S-3 filed with the SEC on June 17, 2009 (the “Shelf Registration”). (See Note 10 for a discussion of the senior notes.) The Company fully and unconditionally guarantees the senior notes on an unsecured basis. The Company, DCL, and/or Discovery Communications Holding LLC (“DCH”) (collectively the “Issuers”) may issue additional debt securities under the Shelf Registration that are fully and unconditionally guaranteed by the other Issuers.

Set forth below are condensed consolidating financial statements presenting the financial position, results of operations, and cash flows of (i) the Company, (ii) DCH, (iii) DCL, (iv) the non-guarantor subsidiaries of DCL on a combined basis, (v) the other non-guarantor subsidiaries of the Company on a combined basis, and (vi) reclassifications and eliminations necessary to arrive at the consolidated financial statement balances for the Company. DCL and the non-guarantor subsidiaries of DCL are the primary operating subsidiaries of the Company. DCL primarily includes the Discovery Channel and TLC networks in the U.S. The non-guarantor subsidiaries of DCL include substantially all of the Company’s other U.S. and international networks, education businesses, and most of the Company’s websites and other digital media services. The non-guarantor subsidiaries of DCL are wholly-owned subsidiaries of DCL with the exception of certain equity method investments. DCL is a wholly-owned subsidiary of DCH. The Company wholly owns DCH through a 33 1/3% direct ownership interest and a 66 2/3% indirect ownership interest through Discovery Holding Company (“DHC”), a wholly-owned subsidiary of the Company. DHC is included in the other non-guarantor subsidiaries of the Company.

97

Basis of Presentation

Solely for purposes of presenting the condensed consolidating financial statements, investments in the Company’s subsidiaries have been accounted for by their respective parent company using the equity method. Accordingly, in the following condensed consolidating financial statements the equity method has been applied to (i) the Company’s interests in DCH and the other non-guarantor subsidiaries of the Company, (ii) DCH’s interest in DCL, and (iii) DCL’s interests in the non-guarantor subsidiaries of DCL. Inter-company accounts and transactions have been eliminated to arrive at the consolidated financial statement amounts for the Company. The Company’s accounting bases in all subsidiaries, including goodwill and recognized intangible assets, have been “pushed down” to the applicable subsidiaries.

Prior to the International reorganization that occurred in November 2011, all direct and indirect subsidiaries were included in the Company’s consolidated U.S. income tax return. Effective with the reorganization, the operations of certain of the Company’s international subsidiaries are excluded from the Company’s consolidated U.S. income tax return. (See Note 16.) Tax expense related to permanent differences has been allocated to the entity that created the difference. Tax expense related to temporary differences has been allocated to the entity that created the difference if possible, while other temporary differences are allocated to each entity included in the Company’s consolidated U.S. income tax return based on each entity’s relative pretax income. Deferred taxes of the Company, DCL, and the non-guarantor subsidiaries have been allocated based upon the temporary differences between the carrying amounts of the respective assets and liabilities of the applicable entities.

The 2010 condensed consolidating balance sheets of Discovery Communications Inc. and Other Non-Guarantor Subsidiaries of Discovery Communications Inc. have been revised to reduce investments in and advances to consolidated subsidiaries and inter-company contributions and advances between Discovery Communications, Inc. and subsidiaries by $2.4 billion. The revisions did not affect the condensed consolidating statements of operations or cash flow, the Company’s consolidated financial statements, or the debt covenants. The Company does not believe these revisions are material to the condensed consolidating financial information as of December 31, 2010 or any prior period.

The condensed consolidating financial statements should be read in conjunction with the consolidated financial statements of the Company.

98

CONDENSED CONSOLIDATING BALANCE SHEET

December 31, 2011

(in millions)

	Discovery Communications, Inc.		Discovery Communications  Holding, LLC		Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC		Other Non- Guarantor Subsidiaries of Discovery Communications, Inc.			Reclassifications  and Eliminations			Discovery Communications, Inc. and Subsidiaries
ASSETS
Current assets:
Cash and cash equivalents	$	—	$	—	$	964		$	83	$	1		$	—		$	1,048
Receivables, net		—		—		423			608		13			(2	)		1,042
Content rights, net		—		—		7			86		—			—			93
Deferred income taxes		—		—		33			40		—			—			73
Prepaid expenses and other current assets		35		—		89			50		1			—			175
Total current assets		35		—		1,516			867		15			(2	)		2,431
Investment in and advances to consolidated subsidiaries		6,482		6,460		4,569			—		4,317			(21,828	)		—
Noncurrent content rights, net		—		—		559			743		—			—			1,302
Goodwill		—		—		3,767			2,524		—			—			6,291
Equity method investments		—		—		350			457		—			—			807
Other noncurrent assets		—		20		485			590		7			(20	)		1,082
Total assets	$	6,517	$	6,480	$	11,246		$	5,181	$	4,339		$	(21,850	)	$	11,913
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable and accrued liabilities	$	—	$	5	$	253		$	273	$	5		$	(1	)	$	535
Current portion of long-term debt		—		—		6			20		—			—			26
Other current liabilities		—		—		67			117		1			—			185
Total current liabilities		—		5		326			410		6			(1	)		746
Long-term debt		—		—		4,154			65		—			—			4,219
Other noncurrent liabilities		—		—		306			135		8			(20	)		429
Total liabilities		—		5		4,786			610		14			(21	)		5,394
Inter-company contributions and advances between Discovery Communications, Inc. and subsidiaries		—		996		(846	)		3,997		(1,794	)		(2,353	)		—
Equity attributable to Discovery Communications, Inc.		6,517		5,479		7,306			574		6,119			(19,478	)		6,517
Equity and advances attributable to Discovery Communications, Inc.		6,517		6,475		6,460			4,571		4,325			(21,831	)		6,517
Noncontrolling interests		—		—		—			—		—			2			2
Total equity		6,517		6,475		6,460			4,571		4,325			(21,829	)		6,519
Total liabilities and equity	$	6,517	$	6,480	$	11,246		$	5,181	$	4,339		$	(21,850	)	$	11,913

99

CONDENSED CONSOLIDATING BALANCE SHEET

December 31, 2010

(in millions)

	Discovery Communications, Inc.		Discovery Communications  Holding, LLC		Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non- Guarantor Subsidiaries of Discovery Communications, Inc.			Reclassifications  and Eliminations			Discovery Communications, Inc. and Subsidiaries
ASSETS
Current assets:
Cash and cash equivalents	$	—	$	—	$	369		$	93		$	4		$	—		$	466
Receivables, net		—		—		391			476			13			—			880
Content rights, net		—		—		8			75			—			—			83
Deferred income taxes		—		—		40			41			—			—			81
Prepaid expenses and other current assets		109		3		65			48			1			(1	)		225
Total current assets		109		3		873			733			18			(1	)		1,735
Investment in and advances to subsidiaries		6,116		6,091		4,129			—			4,070			(20,406	)		—
Noncurrent content rights, net		—		—		557			688			—			—			1,245
Goodwill		—		—		3,876			2,558			—			—			6,434
Equity method investments		—		—		354			101			—			—			455
Other noncurrent assets		—		12		518			625			7			(12	)		1,150
Total assets	$	6,225	$	6,106	$	10,307		$	4,705		$	4,095		$	(20,419	)	$	11,019
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable and accrued liabilities	$	—	$	—	$	216		$	260		$	5		$	(1	)	$	480
Current portion of long-term debt		—		—		6			14			—			—			20
Other current liabilities		—		1		121			162			1			—			285
Total current liabilities		—		1		343			436			6			(1	)		785
Long-term debt		—		—		3,513			85			—			—			3,598
Other noncurrent liabilities		—		—		360			47			8			(12	)		403
Total liabilities		—		1		4,216			568			14			(13	)		4,786
Inter-company contributions and advances between Discovery Communications, Inc. and subsidiaries		—		1,777		(57	)		4,702			(1,271	)		(5,151	)		—
Equity (deficit) attributable to Discovery Communications, Inc.		6,225		4,328		6,148			(565	)		5,352			(15,263	)		6,225
Equity and advances attributable to Discovery Communications, Inc.		6,225		6,105		6,091			4,137			4,081			(20,414	)		6,225
Noncontrolling interests		—		—		—			—			—			8			8
Total equity		6,225		6,105		6,091			4,137			4,081			(20,406	)		6,233
Total liabilities and equity	$	6,225	$	6,106	$	10,307		$	4,705		$	4,095		$	(20,419	)	$	11,019

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CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS

For the Year Ended December 31, 2011

(in millions)

	Discovery Communications, Inc.			Discovery Communications Holding, LLC		Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non- Guarantor Subsidiaries of Discovery Communications, Inc.			Reclassifications and Eliminations			Discovery Communications, Inc. and Subsidiaries
Revenues	$	—		$	—	$	1,764		$	2,415		$	67		$	(11	)	$	4,235
Cost of revenues, excluding depreciation and amortization listed below		—			—		423			761			57			(8	)		1,233
Selling, general and administrative		11			—		360			802			12			(2	)		1,183
Depreciation and amortization		—			—		38			80			1			—			119
Restructuring and impairment charges		—			—		6			24			—			—			30
Gain on disposition		—			—		—			(129	)		—			—			(129	)
Total costs and expenses	$	11		$	—	$	827		$	1,538		$	70		$	(10	)	$	2,436
Operating (loss) income		(11	)		—		937			877			(3	)		(1	)		1,799
Equity in earnings of subsidiaries		1,139			1,141		625			—			760			(3,665	)		—
Interest expense, net		—			—		(203	)		(5	)		—			—			(208	)
Other income (expense), net		—			—		3			(35	)		—			—			(32	)
Income from continuing operations before income taxes		1,128			1,141		1,362			837			757			(3,666	)		1,559
Benefit from (provision for) income taxes		4			—		(221	)		(210	)		2			—			(425	)
Income from continuing operations, net of taxes		1,132			1,141		1,141			627			759			(3,666	)		1,134
Loss from discontinued operations, net of taxes		—			—		—			(1	)		—			—			(1	)
Net income		1,132			1,141		1,141			626			759			(3,666	)		1,133
Net income attributable to noncontrolling interests		—			—		—			—			—			(1	)		(1	)
Net income attributable to Discovery Communications, Inc.	$	1,132		$	1,141	$	1,141		$	626		$	759		$	(3,667	)	$	1,132

101

CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS

For the Year Ended December 31, 2010

(in millions)

	Discovery Communications, Inc.			Discovery Communications Holding, LLC			Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non- Guarantor Subsidiaries of Discovery Communications, Inc.			Reclassifications and Eliminations			Discovery Communications, Inc. and Subsidiaries
Revenues	$	—		$	—		$	1,636		$	2,078		$	67		$	(8	)	$	3,773
Cost of revenues, excluding depreciation and amortization listed below		—			—			364			656			60			(7	)		1,073
Selling, general and administrative		11			—			390			774			11			(1	)		1,185
Depreciation and amortization		—			—			39			89			2			—			130
Restructuring and impairment charges		—			—			3			11			11			—			25
Total costs and expenses	$	11		$	—		$	796		$	1,530		$	84		$	(8	)	$	2,413
Operating (loss) income		(11	)		—			840			548			(17	)		—			1,360
Equity in earnings of subsidiaries		661			725			382			—			441			(2,209	)		—
Interest expense, net		—			(48	)		(149	)		(6	)		—			—			(203	)
Loss on extinguishment of debt		—			(20	)		(116	)		—			—			—			(136	)
Other (expense) income, net		—			(32	)		(59	)		5			—			—			(86	)
Income from continuing operations before income taxes		650			625			898			547			424			(2,209	)		935
Benefit from (provision for) income taxes		3			37			(179	)		(153	)		4			—			(288	)
Income from continuing operations, net of taxes		653			662			719			394			428			(2,209	)		647
Income from discontinued operations, net of taxes		—			—			6			4			12			—			22
Net income		653			662			725			398			440			(2,209	)		669
Net income attributable to noncontrolling interests		—			—			—			(11	)		—			(5	)		(16	)
Net income attributable to Discovery Communications, Inc.		653			662			725			387			440			(2,214	)		653
Stock dividends to preferred interests		(1	)		—			—			—			—			—			(1	)
Net income available to Discovery Communications, Inc. stockholders	$	652		$	662		$	725		$	387		$	440		$	(2,214	)	$	652

102

CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS

For the Year Ended December 31, 2009

(in millions)

	Discovery Communications, Inc.			Discovery Communications Holding, LLC			Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non- Guarantor Subsidiaries of Discovery Communications, Inc.			Reclassifications and Eliminations			Discovery Communications, Inc. and Subsidiaries
Revenues	$	—		$	—		$	1,577		$	1,825		$	71		$	(15	)	$	3,458
Cost of revenues, excluding depreciation and amortization listed below		—			—			357			635			60			(8	)		1,044
Selling, general and administrative		8			—			377			799			11			(7	)		1,188
Depreciation and amortization		—			—			49			103			—			—			152
Restructuring and impairment charges		—			—			12			40			—			—			52
Gains on dispositions		—			—			(252	)		—			—			—			(252	)
Total costs and expenses		8			—			543			1,577			71			(15	)		2,184
Operating (loss) income		(8	)		—			1,034			248			—			—			1,274
Equity in earnings of subsidiaries		553			637			170			—			372			(1,732	)		—
Interest expense, net		—			(123	)		(121	)		(4	)		—			—			(248	)
Other (expense) income, net		—			(1	)		8			6			—			—			13
Income from continuing operations before income taxes		545			513			1,091			250			372			(1,732	)		1,039
Benefit from (provision for) income taxes		4			45			(454	)		(59	)		(5	)		—			(469	)
Income from continuing operations, net of taxes		549			558			637			191			367			(1,732	)		570
Loss from discontinued operations, net of taxes		—			—			—			(6	)		—			—			(6	)
Net income		549			558			637			185			367			(1,732	)		564
Net income attributable to noncontrolling interests		—			—			—			(11	)		—			(4	)		(15	)
Net income attributable to Discovery Communications, Inc.		549			558			637			174			367			(1,736	)		549
Stock dividends to preferred interests		(8	)		—			—			—			—			—			(8	)
Net income available to Discovery Communications, Inc. stockholders	$	541		$	558		$	637		$	174		$	367		$	(1,736	)	$	541

103

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

For the Year Ended December 31, 2011

(in millions)

	Discovery Communications, Inc.			Discovery Communications Holding, LLC			Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non-Guarantor Subsidiaries of Discovery Communications, Inc.			Eliminations			Discovery Communications, Inc. and Subsidiaries
Operating Activities
Cash provided (used in) by operating activities	$	68		$	(1	)	$	421		$	613		$	(1	)	$	—		$	1,100
Investing Activities
Purchases of property and equipment		—			—			(2	)		(55	)		(1	)		—			(58	)
Business acquisitions, net of cash acquired		—			—			—			(26	)		—			—			(26	)
Investment proceeds		—			—			—			21			—			—			21
Investments in and advances to equity investees		—			—			—			(151	)		—			—			(151	)
Cash used in investing activities		—			—			(2	)		(211	)		(1	)		—			(214	)
Financing Activities
Borrowings from long-term debt, net of discount and issuance costs		—			—			639			—			—			—			639
Principal repayments of capital leases obligations		—			—			(6	)		(14	)		—			—			(20	)
Repurchases of common and preferred stock		(997	)		—			—			—			—			—			(997	)
Cash distributions to noncontrolling interests		—			—			—			—			—			(7	)		(7	)
Proceeds from stock option exercises		60			—			—			—			—			—			60
Excess tax benefits from stock-based compensation		28			—			—			—			—			—			28
Inter-company contributions and other financing activities, net		841			1			(457	)		(391	)		(1	)		7			—
Cash (used in) provided by financing activities		(68	)		1			176			(405	)		(1	)		—			(297	)
Effect of exchange rate changes on cash and cash equivalents		—			—			—			(7	)		—			—			(7	)
Net change in cash and cash equivalents		—			—			595			(10	)		(3	)		—			582
Cash and cash equivalents, beginning of period		—			—			369			93			4			—			466
Cash and cash equivalents, end of period	$	—		$	—		$	964		$	83		$	1		$	—		$	1,048

104

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

For the Year Ended December 31, 2010

(in millions)

	Discovery Communications, Inc.			Discovery Communications Holding, LLC			Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non-Guarantor Subsidiaries of Discovery Communications, Inc.			Eliminations		Discovery Communications, Inc. and Subsidiaries
Operating Activities
Cash (used in) provided by operating activities	$	(137	)	$	(47	)	$	339		$	507		$	6		$	—	$	668
Investing Activities
Purchases of property and equipment		—			—			(11	)		(36	)		(2	)		—		(49	)
Business acquisitions, net of cash acquired		—			—			—			(38	)		—			—		(38	)
Proceeds from dispositions, net		—			—			13			11			—			—		24
Investments in and advances to equity investees		—			—			(114	)		(13	)		—			—		(127	)
Cash used in investing activities		—			—			(112	)		(76	)		(2	)		—		(190	)
Financing Activities
Borrowings from long-term debt, net of discount and issuance costs		—			—			2,970			—			—			—		2,970
Principal repayments of long-term debt		—			(1,948	)		(935	)		—			—			—		(2,883	)
Principal repayments of capital leases obligations		—			—			(5	)		(5	)		—			—		(10	)
Repurchases of common and preferred stock		(605	)		—			—			—			—			—		(605	)
Purchase of noncontrolling interests		—			—			—			(148	)		—			—		(148	)
Cash distributions to noncontrolling interests		—			—			(16	)		(15	)		—			—		(31	)
Proceeds from stock option exercises		47			—			—			—			—			—		47
Excess tax benefits from stock-based compensation		19			—			—			—			—			—		19
Inter-company contributions and other financing activities, net		676			1,995			(2,348	)		(320	)		(3	)		—		—
Cash provided by (used in) financing activities		137			47			(334	)		(488	)		(3	)		—		(641	)
Effect of exchange rate changes on cash and cash equivalents		—			—			—			6			—			—		6
Net change in cash and cash equivalents		—			—			(107	)		(51	)		1			—		(157	)
Cash and cash equivalents, beginning of period		—			—			476			144			3			—		623
Cash and cash equivalents, end of period	$	—		$	—		$	369		$	93		$	4		$	—	$	466

105

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

For the Year Ended December 31, 2009

(in millions)

	Discovery Communications, Inc.			Discovery Communications Holding, LLC			Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non- Guarantor Subsidiaries of Discovery Communications, Inc.			Eliminations		Discovery Communications, Inc. and Subsidiaries
Operating Activities
Cash provided by (used in) operating activities	$	31		$	(64	)	$	248		$	427		$	—		$	—	$	642
Investing Activities
Purchases of property and equipment		—			—			(23	)		(29	)		(3	)		—		(55	)
Proceeds from dispositions, net		—			—			300			—			—			—		300
Investment proceeds		—			—			22			2			—			—		24
Investments in and advances to equity investees		—			—			(30	)		(1	)		—			—		(31	)
Cash provided by (used in) investing activities		—			—			269			(28	)		(3	)		—		238
Financing Activities
Net repayments of revolver loans		—			—			(315	)		—			—			—		(315	)
Borrowings from long-term debt, net of discount and issuance costs		—			478			492			—			—			—		970
Principal repayments of long-term debt		—			(19	)		(993	)		—			—			—		(1,012	)
Principal repayments of capital leases obligations		—			—			(4	)		(10	)		—			—		(14	)
Cash distributions to noncontrolling interests		—			—			—			(13	)		—			—		(13	)
Proceeds from stock option exercises		28			—			—			—			—			—		28
Inter-company contributions and other financing activities, net		(59	)		(395	)		766			(315	)		3			—		—
Cash (used in) provided by financing activities		(31	)		64			(54	)		(338	)		3			—		(356	)
Effect of exchange rate changes on cash and cash equivalents		—			—			—			5			—			—		5
Net change in cash and cash equivalents		—			—			463			66			—			—		529
Cash and cash equivalents, beginning of period		—			—			13			78			3			—		94
Cash and cash equivalents, end of period	$	—		$	—		$	476		$	144		$	3		$	—	$	623

106

ITEM 9. Changes in and Disagreements With Accountants on Accounting and Financial Disclosure.

None.

ITEM 9A. Controls and Procedures.

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, has evaluated the effectiveness of our disclosure controls and procedures as of December 31, 2011. The term “disclosure controls and procedures,” as defined in Rules 13a-15(e) and 15d-15(e) of the Exchange Act of 1934, as amended (the “Exchange Act”), means controls and other procedures of a company that are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the company’s management, including its principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure. Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives and management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Based on the evaluation of our disclosure controls and procedures as of December 31, 2011, our Chief Executive Officer and Chief Financial Officer concluded that, as of such date, our disclosure controls and procedures were effective.

Management’s Annual Report on Internal Control Over Financial Reporting

Management’s report on internal control over financial reporting is set forth in Item 8 of this Annual Report on Form 10-K under the caption “Management’s Report on Internal Control over Financial Reporting,” which is incorporated herein by reference.

Attestation Report of the Independent Registered Public Accounting Firm

The attestation report of our independent registered public accounting firm regarding internal control over financial reporting is set forth in Item 8 of this Annual Report on Form 10-K under the caption “Report of Independent Registered Public Accounting Firm,” which is incorporated herein by reference.

Changes in Internal Control Over Financial Reporting

There were no changes in our internal control over financial reporting, as defined in Exchange Act Rule 13a-15(f), during the quarter ended December 31, 2011 that have materially affected or are reasonably likely to materially affect our internal control over financial reporting.

ITEM 9B. Other Information.

None.

107

PART III

Certain information required in Item 10 through Item 14 of Part III of this Annual Report on Form 10-K is incorporated herein by reference to our definitive Proxy Statement for our 2012 Annual Meeting of Stockholders (“2012 Proxy Statement”), which shall be filed with the SEC pursuant to Regulation 14A of the Exchange Act within 120 days of our fiscal year end.

ITEM 10. Directors, Executive Officers and Corporate Governance.

Information regarding our directors, compliance with Section 16(a) of the Exchange Act, and our Audit Committee, including committee members and its financial expert, will be set forth in our 2012 Proxy Statement under the captions “Proposal 1: Election of Directors,” “Section 16(a) Beneficial Ownership Reporting Compliance,” and “Corporate Governance – Committees of the Board of Directors – Audit Committee,” respectively, which are incorporated herein by reference.

Information regarding our executive officers is set forth in Part I of this Annual Report on Form 10-K under the caption “Executive Officers of Discovery Communications, Inc.” as permitted by General Instruction G(3) to Form 10-K.

We have adopted a Code of Business Conduct and Ethics (the “Code”) that is applicable to all of our directors, officers and employees. Our Board of Directors approved the Code in September 2008 and reviews it regularly. A copy of the Code and any amendments or waivers that would be required to be disclosed under applicable SEC rules are available free of charge at the investor relations section of our website, www.discoverycommunications.com. In addition, we will provide a printed copy of the Code, free of charge, upon written request at: Investor Relations, Discovery Communications, Inc., 850 Third Avenue, 8th Floor, New York, NY 10022-7225.

ITEM 11. Executive Compensation.

Information regarding executive compensation will be set forth in our 2012 Proxy Statement under the captions “Compensation Discussion and Analysis” and “Executive Compensation,” which are incorporated herein by reference.

Information regarding compensation policies and practices as they relate to our risk management, director compensation, and compensation committee interlocks and insider participation will be set forth in our 2012 Proxy Statement under the captions “Risk Considerations in our Compensation Programs,” “Board Compensation,” and “Corporate Governance – Committees of the Board of Directors – Compensation Committee,” respectively, which are incorporated herein by reference.

Information regarding compensation committee reports will be set forth in our 2012 Proxy Statement under the captions “Report of the Compensation Committee” and “Report of the Equity Compensation Subcommittee of the Compensation Committee,” which are incorporated herein by reference.

ITEM 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters.

Information regarding securities authorized for issuance under equity compensation plans will be set forth in our 2012 Proxy Statement under the caption “Securities Authorized for Issuance Under Equity Compensation Plans,” which is incorporated herein by reference.

Information regarding security ownership of certain beneficial owners and management will be set forth in our 2012 Proxy Statement under the captions “Security Ownership Information of Certain Beneficial Owners and Management of Discovery – Security Ownership of Certain Beneficial Owners of Discovery” and “Security Ownership Information of Certain Beneficial Owners and Management of Discovery – Security Ownership of Discovery Management,” which are incorporated herein by reference.

ITEM 13. Certain Relationships and Related Transactions, and Director Independence.

Information regarding certain relationships and related transactions, and director independence will be set forth in our 2012 Proxy Statement under the captions “Certain Relationships and Related Transactions,” “Policy Governing Related Person Transactions,” and “Corporate Governance – Director Independence,” respectively, which are incorporated herein by reference.

ITEM 14. Principal Accountant Fees and Services.

Information regarding principal accountant fees and services will be set forth in our 2012 Proxy Statement under the captions “Ratification of Appointment of Independent Registered Public Accounting Firm – Description of Fees” and “Ratification of Appointment of Independent Registered Public Accounting Firm – Policy on Audit Committee Pre-Approval of Audit and Permissible Non-Audit Services of Independent Registered Public Accounting Firm,” which are incorporated herein by reference.

108

PART IV

ITEM 15. Exhibits and Financial Statement Schedules.

The following documents are filed as part of this Annual Report on Form 10-K:

1. The following consolidated financial statements of Discovery Communications, Inc. are filed as part of Item 8 of this Annual Report on Form 10-K:

	Page
Consolidated Balance Sheets as of December 31, 2011 and 2010		54
Consolidated Statements of Operations for the Years Ended December 31, 2011, 2010, and 2009		55
Consolidated Statements of Cash Flows for the Years Ended December 31, 2011, 2010, and 2009		56
Consolidated Statements of Equity for the Years Ended December 31, 2011, 2010, and 2009		58
Notes to Consolidated Financial Statements		59

2. All financial statement schedules required to be filed pursuant to Item 8 and Item 15(c) of Form 10-K have been omitted as the required information is not applicable, not material, or is set forth in the consolidated financial statements or notes thereto.

3. The following exhibits are filed or furnished as part of this Annual Report on Form 10-K pursuant to Item 601 of SEC Regulation S-K and Item 15(b) of Form 10-K:

Exhibit No.	Description
3.1	Form of Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.1 to Amendment No. 2 to the Registration Statement on Form S-4, SEC File No. 333-151586 (“Amendment No. 2”))
3.2	Bylaws (incorporated by reference to Exhibit 3.2 to the 8-K filed on November 16, 2009 (SEC File No. 1-34177))
4.1	Specimen certificate for shares of the Registrant’s Series A common stock, par value $.01 per share (incorporated by reference to Exhibit 4.1 to the Registration Statement on Form S-4, SEC File No. 333-151586 (the “Registration Statement”))
4.2	Specimen certificate for shares of the Registrant’s Series B common stock, par value $.01 per share (incorporated by reference to Exhibit 4.2 to the Registration Statement)
4.3	Specimen certificate for shares of the Registrant’s Series C common stock, par value $.01 per share (incorporated by reference to Exhibit 4.3 to the Registration Statement)
4.4	Form of Registration Rights Agreement, by and between Discovery Communications, Inc. and Advance/Newhouse Programming Partnership (incorporated by reference to Exhibit 4.4 to the Registration Statement)
4.5	Form of Rights Agreement, by and between Discovery Communications, Inc. and Computershare Trust Company, N.A., as rights agent (incorporated by reference to Exhibit 4.5 to the Registration Statement)
4.6	Amendment No. 1 to Rights Agreement between Discovery Communications, Inc. and Computershare Trust Company, N.A. dated December 10, 2008 (incorporated by reference to Exhibit 4.1 to the 8-K filed on December 11, 2008)
4.7	Indenture dated as of August 19, 2009 among Discovery Communications, LLC, Discovery Communications, Inc. and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.1 to the Form 8-K filed on August 19, 2009)
4.8	Supplemental Indenture dated as of August 19, 2009 among Discovery Communications, LLC, Discovery Communications, Inc. and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.2 to the Form 8-K filed on August 19, 2009)
4.9	Supplemental Indenture dated as of June 3, 2010, among Discovery Communications LLC, Discovery Communications, Inc. and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.1 to the Form 8-K filed on June 3, 2010)

109

Exhibit No.	Description
4.10	Credit Agreement, dated as of October 13, 2010, among Discovery Communications, LLC, as borrower, Discovery Communications, Inc., as guarantor, the lenders party thereto, and Bank of America, N.A., as Administrative Agent, Swing Line Lender and L/C Issuer (incorporated by reference to Exhibit 4.1 to the Form 8-K filed on October 15, 2010)
4.11	Third Supplemental Indenture, dated as of June 20, 2011, among Discovery Communications, LLC, Discovery Communications, Inc. and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.1 to the Form 8-K filed on June 21, 2011)
4.12	Amendment No. 1, dated as of August 8, 2011, to the Credit Agreement, dated as of October 13, 2010, among Discovery Communications, LLC, as borrower, Discovery Communications, Inc., as guarantor, the lenders party thereto, and Bank of America, N.A., as Administrative Agent, Swing Line Lender and L/C Issuer (incorporated by reference to Exhibit 4.1 to the Form 8-K filed on August 9, 2011)
10.1	Discovery Communications U.S. Executive Relocation Policy (incorporated by reference to Exhibit 10.1 to the Registration Statement)
10.2	Discovery Communications Executive Benefit Summary (incorporated by reference to Exhibit 10.2 to the Registration Statement)
10.3	Discovery Communications Incentive Compensation Plan (incorporated by reference to Exhibit 10.3 to the Registration Statement)
10.4	Amended and Restated Discovery Communications, LLC Supplemental Deferred Compensation Plan (incorporated by reference to Exhibit 10.1 to the Form 8-K filed on November 19, 2009)
10.5	Amended and Restated Discovery Appreciation Plan (incorporated by reference to Exhibit 10.8 to the 8-K filed on December 11, 2008)
10.6	Form of Discovery Communications, Inc. 2005 Incentive Plan (As Amended and Restated) (incorporated by reference to Exhibit 10.6 to Amendment No. 2)
10.7	Discovery Holding Company 2005 Non-Employee Director Incentive Plan (As Amended and Restated Effective August 15, 2007) (incorporated by reference to Exhibit 10.2 to the Quarterly Report on Form 10-Q of Discovery Holding Company for the quarter ended September 30, 2007 (File No. 000-51205) as filed on November 7, 2007)
10.8	Discovery Holding Company Transitional Stock Adjustment Plan (As Amended and Restated Effective August 15, 2007) (incorporated by reference to Exhibit 10.3 to the Quarterly Report on Form 10-Q of Discovery Holding Company for the quarter ended September 30, 2007 (File No. 000-51205) as filed on November 7, 2007)
10.9	Employment Agreement, dated as of November 28, 2006, between David Zaslav and Discovery Communications, Inc. (incorporated by reference to Exhibit 10.9 to Amendment No. 1 to the Registration Statement on Form S-4, SEC File No. 333-151586 (“Amendment No. 1”))
10.10	Addendum to Employment Agreement dated September 9, 2009 between David Zaslav and Discovery Communications, Inc. (incorporated by reference to Exhibit 10.2 to the 10-Q filed on November 3, 2009)
10.11	Second Addendum to Employment Agreement dated December 15, 2011 between David Zaslav and Discovery Communications, Inc. (incorporated by reference to Exhibit 10.1 to the Form 8-K filed on December 21, 2011)
10.12	Amended and Restated Employment Agreement, dated as of April 2, 2008, between Bruce Campbell and Discovery Communications, LLC (incorporated by reference to Exhibit 10.12 to the Amendment No. 1)
10.13	Amended and Restated Employment Agreement, dated as of July 21, 2010, between Bruce Campbell and Discovery Communications, LLC (incorporated by reference to Exhibit 10.1 to the Form 10-Q filed on November 2, 2010)
10.14	Equity Stake Transition Agreement, dated as of November 5, 2008, between John Hendricks and Discovery Communications (incorporated by reference to Exhibit 10.11 to the Annual Report on Form 10-K filed on February 26, 2009)
10.15	Letter Agreement, dated as of July 30, 2008, between John Hendricks and the Compensation Committee of Discovery Communications, LLC (incorporated by reference to Exhibit 10.15 to Amendment No. 2)
10.16	Employment Agreement, dated as of June 11, 2008, between Brad Singer and Discovery Communications, LLC (incorporated by reference to Exhibit 10.14 to Amendment No. 2)
10.17	Amendment to Employment Agreement dated July 1, 2009 between Brad Singer and Discovery Communications, LLC (incorporated by reference to the Form 10-Q filed on November 3, 2009)

110

Exhibit No.	Description
10.18	Second Amendment to Employment Agreement dated April 11, 2011 between Brad Singer and Discovery Communications, LLC (incorporated by reference to Exhibit 10.1 to the Form 8-K filed on April 11, 2011)
10.19	Employment Agreement dated as of December 9, 2009 between Peter Liguori and Discovery Communications, LLC (incorporated by reference to Exhibit 10.17 to the Form 10-K filed on February 18, 2011)
10.20	Amendment to Employment Agreement dated as of July 10, 2010 between Peter Liguori and Discovery Communications, LLC (incorporated by reference to Exhibit 10.18 to the Form 10-K filed on February 18, 2011)
10.21	Amendment No. 2 to Employment Agreement dated as of May 16, 2011 between Peter Liguori and Discovery Communications, LLC (incorporated by reference to Exhibit 10.2 to the Form 10-Q filed on August 4, 2011)
10.22	Form of Escrow Agreement, by and among Discovery Communications, Inc., Advance/Newhouse Programming Partnership, and the escrow agent (incorporated by reference to Exhibit 10.17 to Amendment No. 2)
10.23	Brad Singer Option Agreement (standard terms) (incorporated by reference to Exhibit 10.1 to the 8-K filed on October 7, 2008)
10.24	Form of John Hendricks Option Agreement (incorporated by reference to Exhibit 10.4 to the 8-K filed on October 7, 2008)
10.25	Form of Stock Option Agreement (incorporated by reference to Exhibit 10.5 to the 8-K filed on October 7, 2008)
10.26	Form of 7-year Stock Appreciation Right Agreement (incorporated by reference to Exhibit 10.3 to the 8-K filed on October 7, 2008)
10.27	Form of Stock Option Agreement (incorporated by reference to Exhibit 99.1 to the Form 8-K filed on March 9, 2009)
10.28	Form of Restricted Stock Unit Grant Agreement (incorporated by reference to Exhibit 10.1 to the Form 10-Q filed on August 4, 2009)
10.29	Form of Performance Restricted Stock Agreement (incorporated by reference to Exhibit 10.26 to the Form 10-K filed on February 22, 2010)
10.30	Form of Nonqualified Stock Option Grant Agreement (incorporated by reference to Exhibit 10.26 to the Form 10-K filed on February 22, 2010)
10.31	Form of Cash-Settled Stock Appreciation Right Agreement (incorporated by reference to Exhibit 10.26 to the Form 10-K filed on February 22, 2010)
10.32	Form of Restricted Stock Unit Grant Agreement (incorporated by reference to Exhibit 10.26 to the Form 10-K filed on February 22, 2010)
10.33	Form of Performance Restricted Stock Unit Grant Agreement (incorporated by reference to Exhibit 10.1 to the Form 8-K filed on March 1, 2011)
10.34	Form of Restricted Stock Unit Grant Agreement (incorporated by reference to Exhibit 10.2 to the Form 8-K filed on March 1, 2011)
10.35	Form of Stock Appreciation Right Grant Agreement (incorporated by reference to Exhibit 10.3 to the Form 8-K filed on March 1, 2011)
10.36	Form of Non-Qualified Stock Option Grant Agreement (incorporated by reference to Exhibit 10.4 to the Form 8-K filed on March 1, 2011)
10.37	Form of David Zaslav Cash-Settled Stock Appreciation Award Agreement (incorporated by reference to Exhibit 10.2 to the Form 8-K filed on December 21, 2011)
10.38	2011 Employee Stock Purchase Plan (incorporated by reference to Exhibit 99.1 to the Form 8-K filed on May 19, 2011)
12	Computation of Ratio of Earnings to Fixed Charges and Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends (filed herewith)
21	List of Subsidiaries of Discovery Communications, Inc. (filed herewith)

111

Exhibit No.	Description
23	Consent of Independent Registered Public Accounting Firm (filed herewith)
31.1	Certification of Chief Executive Officer Pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act of 1934, as Amended, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 (filed herewith)
31.2	Certification of Chief Financial Officer Pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act of 1934, as Amended, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 (filed herewith)
32.1	Certification of Chief Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (furnished herewith)
32.2	Certification of Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (furnished herewith)
101.INS	XBRL Instance Document*
101.SCH	XBRL Taxonomy Extension Schema Document*
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document*
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document*
101.LAB	XBRL Taxonomy Extension Label Linkbase Document*
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document*

*Attached as Exhibit 101 to this Annual Report on Form 10-K are the following formatted in XBRL (Extensible Business Reporting Language): (i) Consolidated Balance Sheets as of December 31, 2011 and December 31, 2010, (ii) Consolidated Statements of Operations for the Years Ended December 31, 2011, 2010, and 2009, (iii) Consolidated Statements of Cash Flows for the Years Ended December 31, 2011, 2010, and 2009, (iv) Consolidated Statements of Equity for the Years Ended December 31, 2011, 2010, and 2009, and (v) Notes to Consolidated Financial Statements.

112

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	DISCOVERY COMMUNICATIONS, INC. (Registrant)
Date: February 17, 2012	By:	/s/ David M. Zaslav
		David M. Zaslav
		President and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the date indicated.

Signature	Title	Date
/s/ David M. Zaslav	President and Chief Executive Officer, and Director (Principal Executive Officer)	February 17, 2012
David M. Zaslav
/s/ John S. Hendricks	Founder, Chairman of the Board, and Director	February 17, 2012
John S. Hendricks
/s/ Bradley E. Singer Bradley E. Singer	Senior Executive Vice President and Chief Financial Officer	February 17, 2012
	(Principal Financial Officer)
/s/ Thomas R. Colan	Executive Vice President and Chief Accounting Officer (Principal Accounting Officer)	February 17, 2012
Thomas R. Colan
/s/ Robert R. Beck	Director	February 17, 2012
Robert R. Beck
/s/ Robert R. Bennett	Director	February 17, 2012
Robert R. Bennett
/s/ Paul A. Gould	Director	February 17, 2012
Paul A. Gould
/s/ Lawrence S. Kramer	Director	February 17, 2012
Lawrence S. Kramer
/s/ John C. Malone	Director	February 17, 2012
John C. Malone
/s/ Robert J. Miron	Director	February 17, 2012
Robert J. Miron
/s/ Steven A. Miron	Director	February 17, 2012
Steven A. Miron
/s/ M. LaVoy Robison	Director	February 17, 2012
M. LaVoy Robison
/s/ J. David Wargo	Director	February 17, 2012
J. David Wargo

113

EX-12

Exhibit 12

DISCOVERY COMMUNICATIONS, INC.

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES AND

RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS⁽¹⁾

(unaudited; in millions, except ratio amounts)

	Years Ended December 31,
	2011		2010		2009		2008		2007
Earnings:
Income from continuing operations, net of taxes	$	1,134	$	647	$	570	$	404	$	86
Add:
Provision for income taxes		425		288		469		353		56
Loss (earnings) of equity investees		35		57		24		65		(142	)
Distributions of income from equity investees		30		15		4		4		—
Total interest expense		211		207		249		258		—
Portion of rents representative of the interest factor		26		28		27		46		11
Earnings, as adjusted	$	1,861	$	1,242	$	1,343	$	1,130	$	11
Fixed charges:
Total interest expense	$	211	$	207	$	249	$	258	$	—
Portion of rents representative of the interest factor		26		28		27		46		11
Total fixed charges	$	237	$	235	$	276	$	304	$	11
Preferred stock dividends		—		1		15		—		—
Total combined fixed charges and preferred stock dividends	$	237	$	236	$	291	$	304	$	11
Ratio of earnings to fixed charges		7.9		5.3x		4.9x		3.7x		1.0x
Ratio of earnings to combined fixed charges and preferred stock dividends		7.9		5.3x		4.6x		3.7x		1.0x

⁽¹⁾  The results for years prior to 2008 reflect only the results of our predecessor, Discovery Holding Company.

EX-21

Exhibit 21

LIST OF SUBSIDIARIES OF DISCOVERY COMMUNICATIONS, INC.

Entity	Place of Formation
A123 Online Interactive Services, Inc.	Delaware
Academy123, Inc.	Delaware
Ad Valorem Acq. Discovery Communications Benelux BV	Netherlands
Adventure Race Productions, Inc.	Delaware
AMHI, LLC	Delaware
Animal Planet (Asia) LLC	Delaware
Animal Planet Europe P/S	UK
Animal Planet Europe Limited	England and Wales
Animal Planet Japan Co., Ltd. (Animaru Puranetto Japan Kabushiki Kaisha)	Japan
Animal Planet (Japan) LLP	Delaware
Animal Planet (Latin America), L.L.C.	Delaware
Animal Planet, LP	Delaware
Animal Planet North America, Inc.	Delaware
Animal Planet, LLC	Delaware
Betty TV Limited	England and Wales
Canadian AP Ventures Company	Nova Scotia
Clearvue & SVE, Inc.	Illinois
Convex Group, Inc.	Delaware
CSS Studios, LLC	New York
CSS Studios Limited	England and Wales
DHC Discovery, Inc.	Colorado
DHC Ventures, LLC	Delaware
Discovery 3D Holding, Inc.	Delaware
Discovery (UK) Limited	England and Wales
Discovery Advertising Sales Taiwan Pte Ltd.	Singapore
Discovery AP Acquisition, Inc.	Delaware
Discovery Asia, LLC	Delaware
Discovery Asia Sales Private Limited	Singapore
Discovery Communications Deutschland GmbH & Co. KG	Germany
Discovery Channel (Mauritius) Private Limited	Mauritius
Discovery Civilization North America, Inc.	Delaware
Discovery Communications Bulgaria EOOD	Bulgaria
Discovery Communications Colombia Ltda	Colombia
Discovery Comunicacoes do Brasil LTDA	Brazil
Discovery Communications, LLC	Delaware
Discovery Communications Europe Limited	England and Wales
Discovery Communications Holding, LLC	Delaware
Discovery Communications India	India
Discovery Communications Ltd., L.L.C.	Delaware
Discovery Communications Mexico Services, S. de R.L. de C.V.	Mexico
Discovery Communications Nordic ApS	Denmark
Discovery Communications OOO	Russia
Discovery Communications 2 OOO	Russia
Discovery Communications 3 OOO	Russia
Discovery Communications 4 OOO	Russia
Discovery Communications 5 OOO	Russia
Discovery Communications 6 OOO	Russia
Discovery Communications 7 OOO	Russia
Discovery Communications 8 OOO	Russia
Discovery Communications Spain and Portugal, S.L.	Spain
Discovery Communications Ukraine TOV	Ukraine
Discovery Content Verwaltungs GmbH	Germany
Discovery Czech Republic S.R.O.	Czech Republic

Entity	Place of Formation
Discovery Education Assessment LLC	Delaware
Discovery Education, Inc.	Illinois
Discovery Education Canada ULC	Nova Scotia
Discovery Enterprises, LLC	Delaware
Discovery Entertainment Services, Inc.	Delaware
Discovery Extreme Music Publishing, LLC	Delaware
Discovery Financing Holdings, Inc.	Delaware
Discovery Foreign Holdings, Inc.	Delaware
Discovery Germany, L.L.C.	Delaware
Discovery Health Channel, LLC	Delaware
Discovery Health North America, Inc.	Delaware
Discovery Health NS, ULC	Nova Scotia
Discovery Health Ventures, LLC	Delaware
Discovery Holding Company	Delaware
Discovery Holdings OOO	Russia
Discovery Hungary Kft	Hungary
Discovery Italia S.r.l.	Italy
Discovery Kids North America, Inc.	Delaware
Discovery Latin America, L.L.C.	Delaware
Discovery Latin America Holdings, LLC	Delaware
Discovery Latin America Investments, LLC	Delaware
Discovery Licensing, Inc.	Delaware
Discovery Max Music Publishing, LLC	Delaware
Discovery Media Services Limited	Turkey
Discovery Networks Asia-Pacific PTE. LTD	Singapore
Discovery Networks Caribbean, Inc.	Barbados
Discovery Networks International LLC	Colorado
Discovery Networks International Holdings Limited	England and Wales
Discovery Networks Korea Limited	Korea
Discovery Networks Mexico, S. de R.L. de C.V.	Mexico
Discovery New York, Inc.	Delaware
Discovery OWN Holdings, Inc.	Delaware
Discovery Patent Licensing, LLC	Delaware
Discovery Pet Online Administration, Inc.	Delaware
Discovery Pet Online Services, LLC	Delaware
Discovery Pet Video, LLC	Delaware
Discovery Polska SP z.o.o.	Poland
Discovery Productions Group, Inc.	Delaware
Discovery Productions, LLC	Delaware
Discovery Publishing, Inc.	Delaware
Discovery Realty, LLC	Delaware
Discovery Retail Cafes, LLC	Delaware
Discovery Romania SRL	Romania
Discovery SC Investment, Inc.	Delaware
Discovery Services Australia Pty Ltd	Australia
Discovery Services, Inc.	Delaware
Discovery Services Hong Kong Limited	Hong Kong
Discovery Spanish Ventures S.L.	Spain
Discovery Studios, LLC	Delaware
Discovery Talent Services, LLC	Delaware
Discovery Television Center, LLC	Delaware
Discovery Times Channel, LLC	Delaware
Discovery Top Music Publishing, LLC	Delaware
Discovery Trademark Holding Company, Inc.	Delaware
Discovery TV Journalism Productions, LLC	Delaware
Discovery Wings, LLC	Delaware
Discovery World Television, Inc.	Maryland
Discovery.com, LLC	Delaware
Discoverytravel.com, LLC	Delaware

Entity	Place of Formation
DLA Holdings, Inc.	Delaware
DNE Music Publishing Limited	England and Wales
DNI Europe Holdings Limited	England and Wales
DNI German Holdings I Limited	England and Wales
DNI German Holdings II Limited	England and Wales
DNI Global Holdings Limited	England and Wales
DSC Japan, L.L.C.	Delaware
DTHC, Inc.	Delaware
GeoNova Publishing, Inc.	Delaware
HowStuffWorks, Inc.	Delaware
JV Network, LLC	Delaware
Liberty Animal Inc.	Delaware
Liv (Latin America), LLC	Delaware
Network USA Incorporated	Maryland
New SVE, Inc.	Illinois
Patagonia Adventures, LLC	Delaware
Pop Sound, Inc.	Delaware
Run-of-Shows, LLC	Delaware
Sound One Corporation	New York
The Audio Visual Group, Inc.	California
Travel Daily News, Inc.	Delaware
Treehugger Acquisition Corp.	Delaware

EX-23

Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S-3 (No. 333-160043) and the Registration Statements on Form S-8 (No. 333-170317, 333-156105, 333-154312, 333-153586, 333-177850, 333-174451) of Discovery Communications, Inc. of our report dated February 17, 2012 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

McLean, Virginia

February 17, 2012

EX-31.1

Exhibit 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO RULE 13a – 14(a) AND RULE 15d – 14(a)

OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED,

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, David M. Zaslav, certify that:

1. I have reviewed this Annual Report on Form 10-K of Discovery Communications, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: February 17, 2012	By:	/s/ David M. Zaslav
		David M. Zaslav
		President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO RULE 13a – 14(a) AND RULE 15d – 14(a)

OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED,

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Bradley E. Singer, certify that:

1. I have reviewed this Annual Report on Form 10-K of Discovery Communications, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: February 17, 2012	By:	/s/ Bradley E. Singer
		Bradley E. Singer
		Senior Executive Vice President, Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Discovery Communications, Inc. (“Discovery”), on Form 10-K for the year ended December 31, 2011, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David M. Zaslav, President and Chief Executive Officer of Discovery, certify that to my knowledge:

1. the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Discovery.

Date: February 17, 2012	By:	/s/ David M. Zaslav
		David M. Zaslav
		President and Chief Executive Officer

EX-32.2

Exhibit 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Discovery Communications, Inc. (“Discovery”), on Form 10-K for the year ended December 31, 2011, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Bradley E. Singer, Senior Executive Vice President, Chief Financial Officer of Discovery, certify that to my knowledge:

1. the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Discovery.

Date: February 17, 2012	By:	/s/ Bradley E. Singer
		Bradley E. Singer
		Senior Executive Vice President, Chief Financial Officer

XML

Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2011

Derivative Financial Instruments [Abstract]

Impact Of Derivative Instruments On Income And Other Comprehensive Income (Loss)

			Year Ended December 31,
	Instrument Type		2011		2010
Derivatives designated as hedging instruments:
Amount recognized in other comprehensive income (loss), gross of tax		Interest rate contacts	$	—	$	(31	)
Amount reclassified from accumulated other comprehensive income (loss) into interest expense, net		Interest rate contacts	$	—	$	(18	)
Derivatives not designated as hedging instruments:
Amount recognized in other (expense) income, net		Interest rate contacts	$	—	$	(29	)

XML

Condensed Consolidating Financial Information (Condensed Consolidating Statement Of Cash Flows) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash (used in) provided by operating activities	$ 1,100	$ 668	$ 642
Purchases of property and equipment	(58)	(49)	(55)
Business acquisitions, net of cash acquired	(26)	(38)
Proceeds from dispositions, net		24	300
Investments in, advances to and payments on behalf of equity investees	(151)	(127)	(31)
Cash used in investing activities	(214)	(190)	238
Net repayments of revolver loans			(315)
Borrowings from long term debt, net of discount and issuance costs	639	2,970	970
Principal repayments of long-term debt		(2,883)	(1,012)
Principal repayments of capital lease obligations	(20)	(10)	(14)
Cash distributions to noncontrolling interests	(7)	(31)	(13)
Proceeds from stock option exercises	60	47	28
Excess tax benefits from stock-based compensation	28	19
Cash (used in) provided by financing activities	(297)	(641)	(356)
Effect of exchange rate changes on cash and cash equivalents	(7)	6	5
Net change in cash and cash equivalents	582	(157)	529
Cash and cash equivalents, beginning of period	466	623	94
Cash and cash equivalents, end of period	1,048	466	623
Discovery [Member]
Cash (used in) provided by operating activities	68	(137)	31
Repurchases of common and preferred stock	(997)	(605)
Proceeds from stock option exercises	60	47	28
Excess tax benefits from stock-based compensation	28	19
Inter-company contributions and other financing activities, net	841	676	(59)
Cash (used in) provided by financing activities	(68)	137	(31)
Discovery Communications Holding, LLC [Member]
Cash (used in) provided by operating activities	(1)	(47)	(64)
Borrowings from long term debt, net of discount and issuance costs			478
Principal repayments of long-term debt		(1,948)	(19)
Inter-company contributions and other financing activities, net	1	1,995	(395)
Cash (used in) provided by financing activities	1	47	64
Discovery Communications, LLC [Member]
Cash (used in) provided by operating activities	421	339	248
Purchases of property and equipment	(2)	(11)	(23)
Proceeds from dispositions, net		13	300
Investment proceeds			22
Investments in, advances to and payments on behalf of equity investees		(114)	(30)
Cash used in investing activities	(2)	(112)	269
Net repayments of revolver loans			(315)
Borrowings from long term debt, net of discount and issuance costs	639	2,970	492
Principal repayments of long-term debt		(935)	(993)
Principal repayments of capital lease obligations	(6)	(5)	(4)
Cash distributions to noncontrolling interests		(16)
Inter-company contributions and other financing activities, net	(457)	(2,348)	766
Cash (used in) provided by financing activities	176	(334)	(54)
Net change in cash and cash equivalents	595	(107)	463
Cash and cash equivalents, beginning of period	369	476	13
Cash and cash equivalents, end of period	964	369	476
Non-Guarantor Subsidiaries Of Discovery Communications, LLC [Member]
Cash (used in) provided by operating activities	613	507	427
Purchases of property and equipment	(55)	(36)	(29)
Business acquisitions, net of cash acquired	(26)	(38)
Proceeds from dispositions, net		11
Investment proceeds	21		2
Investments in, advances to and payments on behalf of equity investees	(151)	(13)	(1)
Cash used in investing activities	(211)	(76)	(28)
Principal repayments of capital lease obligations	(14)	(5)	(10)
Purchase of noncontrolling interests		(148)
Cash distributions to noncontrolling interests		(15)	(13)
Inter-company contributions and other financing activities, net	(391)	(320)	(315)
Cash (used in) provided by financing activities	(405)	(488)	(338)
Effect of exchange rate changes on cash and cash equivalents	(7)	6	5
Net change in cash and cash equivalents	(10)	(51)	66
Cash and cash equivalents, beginning of period	93	144	78
Cash and cash equivalents, end of period	83	93	144
Other Non - Guarantor Subsidiaries Of Discovery Communications, Inc. [Member]
Cash (used in) provided by operating activities	(1)	6
Purchases of property and equipment	(1)	(2)	(3)
Cash used in investing activities	(1)	(2)	(3)
Inter-company contributions and other financing activities, net	(1)	(3)	3
Cash (used in) provided by financing activities	(1)	(3)	3
Net change in cash and cash equivalents	(3)	1
Cash and cash equivalents, beginning of period	4	3	3
Cash and cash equivalents, end of period	1	4	3
Reclassifications And Eliminations [Member]
Cash (used in) provided by operating activities
Purchases of property and equipment
Business acquisitions, net of cash acquired
Proceeds from dispositions, net
Investments in, advances to and payments on behalf of equity investees
Cash used in investing activities
Borrowings from long term debt, net of discount and issuance costs
Principal repayments of long-term debt
Principal repayments of capital lease obligations
Repurchases of common and preferred stock
Purchase of noncontrolling interests
Cash distributions to noncontrolling interests	(7)
Proceeds from stock option exercises
Excess tax benefits from stock-based compensation
Inter-company contributions and other financing activities, net	7
Cash (used in) provided by financing activities
Effect of exchange rate changes on cash and cash equivalents
Net change in cash and cash equivalents
Cash and cash equivalents, beginning of period
Cash and cash equivalents, end of period
Discovery Communications, Inc. And Subsidiaries [Member]
Cash (used in) provided by operating activities	1,100	668	642
Purchases of property and equipment	(58)	(49)	(55)
Business acquisitions, net of cash acquired	(26)	(38)
Proceeds from dispositions, net		24	300
Investment proceeds	21		24
Investments in, advances to and payments on behalf of equity investees	(151)	(127)	(31)
Cash used in investing activities	(214)	(190)	238
Net repayments of revolver loans			(315)
Borrowings from long term debt, net of discount and issuance costs	639	2,970	970
Principal repayments of long-term debt		(2,883)	(1,012)
Principal repayments of capital lease obligations	(20)	(10)	(14)
Repurchases of common and preferred stock	(997)	(605)
Purchase of noncontrolling interests		(148)
Cash distributions to noncontrolling interests	(7)	(31)	(13)
Proceeds from stock option exercises	60	47	28
Excess tax benefits from stock-based compensation	28	19
Cash (used in) provided by financing activities	(297)	(641)	(356)
Effect of exchange rate changes on cash and cash equivalents	(7)	6	5
Net change in cash and cash equivalents	582	(157)	529
Cash and cash equivalents, beginning of period	466	623	94
Cash and cash equivalents, end of period	$ 1,048	$ 466	$ 623

XML

Variable Interest Entities (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended							12 Months Ended		12 Months Ended			12 Months Ended
	Mar. 31, 2011	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Nov. 12, 2010	May 22, 2009	Dec. 31, 2011 Other VIE [Member]	Dec. 31, 2010 Other VIE [Member]	Dec. 31, 2011 OWN Joint Venture [Member]	Dec. 31, 2010 OWN Joint Venture [Member]	Dec. 31, 2011 Hub [Member]	Dec. 31, 2010 Hub [Member]	Dec. 31, 2011 U.S. Discovery Kids Network [Member]	Dec. 31, 2011 Maximum [Member]	Dec. 31, 2011 Minimum [Member]	May 22, 2009 Maximum Amount Potentially Due [Member] Hub [Member]	Dec. 31, 2015 Forecast [Member] Maximum Exposure To Loss [Member] Hub [Member]
Variable Interest Entity [Line Items]
Aggregate carrying value of investments in VIE's accounted for using the equity method		$ 807	$ 453				$ 53	$ 57	$ 420	$ 52
Losses generated by equity method investees		(33)	(55)	19
Variable interest, maximum exposure to loss		838												160		300	0
Business acquisition, cost of acquired entity, cash paid					10
Cash received for contribution of assets						300
Recovery period for tax receivables agreement with venture partner in years		20
Face value of tax receivables agreement with venture partner		57
Pretax gain recognized on formation of venture				252
Gain on disposal, pretax				125
Business combination, step acquisition, equity interest in acquiree, remeasurement gain or loss				127
Specified future funding commitment, maximum											15
Investments											334	344
Goodwill book basis		6,291	6,434	6,433					136
Other identifiable assets									8
Gains on dispositions		129	9	252					129
Investment in OWN		273							273
Tax on gain	27								27
Minimum put amount for purchase of Harpo's joint venture interest in OWN, first put exercise date									100
Maximum put amount for purchase of Harpo's joint venture interest in OWN, fourth put exercise date									400
Operating loss generated by OWN allocation percentage of Discovery Communications Inc		100.00%												50.00%	16.00%
Future allocated net income amount from joint venture									104
Funding through revolving loan and debt financing		209
Value of tax receivable with venture partner		49
Debt instrument interest rate									7.50%
Variable interest entity, funded debt		312
Commitments		$ 189
Loss from equity investees		100.00%
Interest ownership percentage by parent in joint venture													50.00%	50.00%	20.00%

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Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2011

Selected Quarterly Financial Information [Abstract]

Selected Quarterly Financial Data (Unaudited)

	Quarter Ended
	March 31,			June 30,			September 30,			December 31,
2011(1)(2)(3)(4)(5)
Revenues	$	951		$	1,067		$	1,095		$	1,122
Costs of revenues, excluding depreciation and amortization		273			288			342			330
Operating income		507			445			426			421
Income from continuing operations, net of taxes		305			254			238			337
Loss from discontinued operations, net of taxes		—			—			(1	)		—
Net income		305			254			237			337
Net income attributable to noncontrolling interests		—			—			—			(1	)
Net income available to Discovery Communications, Inc. stockholders	$	305		$	254		$	237		$	336
Income per share from continuing operations available to Discovery Communications, Inc. stockholders:
Basic	$	0.75		$	0.63		$	0.60		$	0.86
Diluted	$	0.74		$	0.62		$	0.59		$	0.86
Loss per share from discontinued operations available to Discovery Communications, Inc. stockholders:
Basic	$	—		$	—		$	—		$	—
Diluted	$	—		$	—		$	—		$	—
Net income per share available to Discovery Communications, Inc. stockholders:
Basic	$	0.75		$	0.63		$	0.60		$	0.86
Diluted	$	0.74		$	0.62		$	0.59		$	0.86
Weighted average shares outstanding:
Basic		409			406			398			391
Diluted		414			410			401			393
2010(1)(6)(7)(8)(9)(10)
Revenues	$	869		$	963		$	926		$	1,015
Costs of revenues, excluding depreciation and amortization		267			254			261			291
Operating income		282			372			312			394
Income from continuing operations, net of taxes		173			110			164			200
Income from discontinued operations, net of taxes		—			—			25			(3	)
Net income		173			110			189			197
Net income attributable to noncontrolling interests		(4	)		(3	)		(3	)		(6	)
Net income attributable to Discovery Communications, Inc.		169			107			186			191
Stock dividends to preferred interests		—			(1	)		—			—
Net income available to Discovery Communications, Inc. stockholders	$	169		$	106		$	186		$	191
Income per share from continuing operations available to Discovery Communications, Inc. stockholders:
Basic	$	0.40		$	0.25		$	0.38		$	0.46
Diluted	$	0.39		$	0.25		$	0.37		$	0.45
(Loss) income per share from discontinued operations available to Discovery Communications, Inc. stockholders:
Basic	$	—		$	—		$	0.06		$	(0.01	)
Diluted	$	—		$	—		$	0.06		$	(0.01	)
Net income per share available to Discovery Communications, Inc. stockholders:
Basic	$	0.40		$	0.25		$	0.44		$	0.45
Diluted	$	0.39		$	0.25		$	0.43		$	0.45
Weighted average shares outstanding:
Basic		425			426			426			422
Diluted		429			431			431			428

⁽¹⁾  Income per share amounts for the quarters and full years have each been calculated separately. Accordingly, income per share amounts for a particular quarter may not sum. Additionally, quarterly amounts may not add to the annual amounts because of differences in the average common shares outstanding during each period and, with regard to diluted per common share amounts only, because of the inclusion of the effect of potentially dilutive securities only in the periods in which such effect would have been dilutive.

⁽²⁾  The results of operations for the quarter ended March 31, 2011 include a pretax gain of $129 million related to the contribution of the domestic Discovery Health network to OWN LLC in connection with the launch of OWN on January 1, 2011. The gain resulted in $27 million of tax expense. (See Note 4.) Additionally, the Company incurred $1 million of restructuring charges and purchased 4.73 million shares of its Series C common stock.

⁽³⁾  The results of operations for the quarter ended June 30, 2011 include $4 million of restructuring charges. Additionally, the Company repurchased 5.64 million shares of its Series C common stock.

⁽⁴⁾  The results of operations for the quarter ended September 30, 2011 include $2 million of restructuring charges. Additionally the Company repurchased 9.79 million shares of its Series C common stock.

⁽⁵⁾  The results of operations for the quarter ended December 31, 2011 include a $112 million income tax benefit related to foreign tax credits and $3 million of exit and restructuring charges. Additionally, the Company repurchased 7.00 million shares of its Series C common stock.

⁽⁶⁾  The results of operations for the quarter ended March 31, 2010 include a $28 million reversal of foreign tax reserves, $4 million of losses on interest rate swaps, and $3 million of restructuring charges.

⁽⁷⁾  The results of operations for the quarter ended June 30, 2010 include a $136 million loss on extinguishment of debt and $23 million of losses on interest rate swaps.

⁽⁸⁾  The results of operations for the quarter ended September 30, 2010 include a $12 million reversal of a tax payable related to discontinued operations, an $11 million pretax noncash impairment charge related to goodwill, and $4 million of exit and restructuring charges. Additionally, the Company repurchased 1.12 million shares of its Series C common stock.

⁽⁹⁾  On September 1, 2010, the Company sold its Antenna Audio business for net cash proceeds of $24 million, which resulted in a $9 million gain, net of taxes. The operating results of Antenna Audio have been reported as discontinued operations for all periods. Certain quarterly financial data in the above table vary from the amounts previously reported on the Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2010 due to subsequent presentation of Antenna Audio as discontinued operations.

⁽¹⁰⁾  The results of operations for the quarter ended December 31, 2010 include $7 million of exit and restructuring charges. Additionally, the Company repurchased 1.87 million shares of its Series C common stock and 13.73 million shares of its Series C convertible preferred stock.

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Derivative Financial Instruments (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2010
Derivative Financial Instruments [Abstract]
Notional amount of cash flow hedge instruments, fixed and variable interest rate	$ 1,800,000,000
Derivative instruments, gain (loss) reclassified from accumulated OCI into income, effective portion, net	27,000,000
Amount paid to settle interest rate swaps	24,000,000
Notional amount of derivatives	375,000,000
Derivative fair value of derivative liability	$ 2,000,000

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Investments (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investments	$ 1,518	$ 885
Investment in OWN	273
OWN Joint Venture [Member]
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment in OWN	273
Prepaid Expenses And Other Current Assets [Member]
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Trading securities	76	55
Equity Method Investments [Member]
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Equity method investments	807	455
Money Market Mutual Funds [Member] | Cash And Cash Equivalents [Member]
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Available-for-sale securities	635	172
U.S Treasury Securities [Member] | Cash And Cash Equivalents [Member]
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Available-for-sale securities		200
Other [Member] | Cash And Cash Equivalents [Member]
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Available-for-sale securities		$ 3

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Stock-Based Compensation (Stock Options) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 years	Dec. 31, 2010	Dec. 31, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercised, Aggregate Intrinsic Value	$ 99	$ 76	$ 25
Total vesting period (years)	three
Cash payments resulting from stock option exercises	60	47	28
Unrecognized compensation cost	15
Weighted average period of time, in years, compensation expense related to units is expected to be recognized	2.57
Dividend yield	0.00%
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding as of December 31, 2010	15.7
Granted, Stock Options	1.8
Exercised, Stock Options	(3.7)
Forfeited, Stock Options	(1.1)
Outstanding as of December 31, 2011	12.7	15.7
Vested and expected to vest as of December 31, 2011	12.5
Exercisable as of December 31, 2011	5.1
Outstanding as of December 31, 2010, Weighted-Average Grant Price	$ 19.26
Granted, Weighted-Average Grant Price	$ 38.61
Exercised, Weighted-Average Grant Price	$ 16.30
Forfeited, Weighted-Average Grant Price	$ 23.93
Outstanding as of December 31, 2011, Weighted-Average Grant Price	$ 22.52	$ 19.26
Vested and expected to vest as of December 31, 2011, Weighted-Average Grant Price	$ 22.46
Exercisable as of December 31, 2011, Weighted-Average Grant Price	$ 18.22
Outstanding as of December 31, 2011, Weighted-Average Remaining Contractual Term (years)	4.92
Vested and expected to vest as of December 31, 2011, Weighted-Average Remaining Contractual Term (years)	5.08
Exercisable as of December 31, 2011, Weighted-Average Remaining Contractual Term (years)	5.29
Exercised, Aggregate Intrinsic Value	99
Outstanding as of December 31, 2011, Aggregate Intrinsic Value	236
Vested and expected to vest as of December 31, 2011, Aggregate Intrinsic Value	232
Exercisable as of December 31, 2011, Aggregate Intrinsic Value	116
Stock options vesting term 33 1/3%	33.33%
Annual unit vesting percentage	25.00%
Total vesting period (years)	four
Grant vesting period begin date	1
Cash payments resulting from stock option exercises	60	47	28
Unrecognized compensation cost	$ 50
Weighted average period of time, in years, compensation expense related to units is expected to be recognized	1.37
Risk-free interest rate	1.53%	2.08%	1.70%
Expected term (years)	4.98	4.99	3.71
Expected volatility	40.17%	38.27%	45.60%
Weighted-average grant date fair value	$ 14.32	$ 13.03	$ 6.45
Minimum [Member] | Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option expiration term (years)	3
Maximum [Member] | Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option expiration term (years)	10

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Reportable Segments (Schedule Of Content Amortization And Impairment Expense By Segment) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Segment Reporting Information [Line Items]
Total content amortization and impairment expense	$ 846	$ 715	$ 709
U.S. Networks [Member]
Segment Reporting Information [Line Items]
Total content amortization and impairment expense	567	463	439
International Networks [Member]
Segment Reporting Information [Line Items]
Total content amortization and impairment expense	270	241	259
Education And Other [Member]
Segment Reporting Information [Line Items]
Total content amortization and impairment expense	4	7	8
Corporate And Inter-Segment Eliminations [Member]
Segment Reporting Information [Line Items]
Total content amortization and impairment expense	$ 5	$ 4	$ 3

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Commitments And Contingencies (Tables)

12 Months Ended

Dec. 31, 2011

Commitments And Contingencies [Abstract]

Schedule Of Significant Contractual Commitments

	Year Ending December 31,
	Leases
	Operating		Capital		Content		Other		Total
2012		64		33		250		171		518
2013		54		18		31		125		228
2014		50		15		29		50		144
2015		34		14		2		24		74
2016		31		12		—		18		61
Thereafter		73		41		—		204		318
Total minimum payments		306		133		312		592		1,343
Less amounts representing interest		—		27		—		—		27
Total	$	306	$	106	$	312	$	592	$	1,316

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Investments (Tables)

12 Months Ended

Dec. 31, 2011

Investments [Abstract]

Schedule Of Investment

		As of December 31,
	Balance Sheet Location	2011		2010
Trading securities:
Mutual funds	Prepaid expenses and other current assets	$	76	$	55
Available-for-sale securities:
Money market mutual funds	Cash and cash equivalents		635		172
U.S. Treasury securities	Cash and cash equivalents		—		200
Other	Cash and cash equivalents		—		3
Equity method investments	Equity method investments		807		455
Total investments		$	1,518	$	885

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Stock-Based Compensation (PRSUs And RSUs) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding as of December 31, 2011	1,000,000
Outstanding as of December 31, 2011, Weighted-Average Grant Price	$ 35.44
Unrecognized compensation cost	$ 15
Weighted average period of time, in years, compensation expense related to units is expected to be recognized	2.57
PRSUs And RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding as of December 31, 2010	1,500,000
Granted, Units	1,000,000
Converted, Units
Forfeited	(300,000)
Outstanding as of December 31, 2011	2,200,000
Vested and expected to vest as of December 31, 2011	2,000,000
Outstanding as of December 31, 2010, Weighted-Average Grant Price	$ 32.66
Granted, Weighted-Average Grant Price	$ 38.88
Converted, Weighted-Average Grant Price
Forfeited, Weighted-Average Grant Price	$ 34.32
Outstanding as of December 31, 2011, Weighted-Average Grant Price	$ 35.48
Vested and expected to vest as of December 31, 2011, Weighted-Average Grant Price	$ 35.47
Outstanding as of December 31, 2011, Weighted-Average Remaining Contractual Term (years)	1.87
Vested and expected to vest as of December 31, 2011, Weighted-Average Remaining Contractual Term (years)	1.87
Outstanding as of December 31, 2011, Aggregate Fair Value	88
Vested and expected to vest as of December 31, 2011, Aggregate Fair Value	83
PRSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding as of December 31, 2011	1,000,000
Granted, Weighted-Average Grant Price	$ 35.49
PRSU vesting range minimum percentage	0.00%
PRSU vesting range maximum percentage	100.00%
Vesting percentage for PRSU target achievement or over achievement	100.00%
Achievement percentage of PRSU target resulting in zero vesting	80.00%
Unrecognized compensation cost	$ 29
Weighted average period of time, in years, compensation expense related to units is expected to be recognized	1.59
Performance targets for PRSUs measurement period, in years	3
PRSUs series A common conversion rate	1
Maximum [Member] | PRSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PRSU vesting period, in years	four
Minimum [Member] | PRSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PRSU vesting period, in years	three

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Equity (Tax Effects Related To Other Comprehensive Income (Loss)) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Equity [Abstract]
Foreign currency translation adjustments, Before-Tax Amount	$ 15	$ (30)	$ 42
Market value adjustments and reclassifications for securities and derivatives, Before-tax Amount		11	47
Other comprehensive income, Before-tax Amount	15	(19)	89
Foreign currency translation adjustments, Tax (Expense) Benefit	(5)	11	(15)
Market value adjustments and reclassifications for securities and derivatives, Tax (Expense)		(4)	(17)
Other comprehensive income, Tax (Expense) Benefit	(5)	(7)	(32)
Foreign currency translation adjustments, net of tax	10	(19)	27
Market value adjustments and reclassifications for securities and derivatives, Net-of-tax Amount		7	30
Other comprehensive income, Net-of-tax Amount	$ 10	$ (12)	$ 57

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Income Taxes (Schedule Of Unrecognized Tax Benefits Reconciliation) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Taxes [Abstract]
Beginning balance	$ 63	$ 71	$ 74
Additions based on tax positions related to the current year	15	10	2
Additions for tax positions of prior years	7	3	2
Reductions for tax positions of prior years	(20)		(6)
Settlements	(1)	(26)	(1)
Reductions as result of statute lapse	(18)		(1)
Additions for foreign currency exchange rates		5	1
Ending balance	$ 46	$ 63	$ 71

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Fair Value Measurements (Schedule Of Assets And Liabilities Measured On Recurring Basis) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	$ 76	$ 55
Total assets	711	430
Deferred compensation plan	76	55
Other		6
Total liabilities	76	61
Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	76	55
Total assets	711	227
Deferred compensation plan	76	55
Total liabilities	76	55
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total assets		203
Other		6
Total liabilities		6
Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities
Total assets
Deferred compensation plan
Other
Total liabilities
Money Market Mutual Funds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities	635	172
Money Market Mutual Funds [Member] | Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities	635	172
Money Market Mutual Funds [Member] | Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities
U.S Treasury Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities		200
U.S Treasury Securities [Member] | Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities		200
U.S Treasury Securities [Member] | Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities
Other Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities		3
Other Securities [Member] | Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities		3
Other Securities [Member] | Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale securities

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Condensed Consolidating Financial Information (Narrative) (Details) (USD $) In Billions, unless otherwise specified	12 Months Ended
	Dec. 31, 2010	Dec. 31, 2011
Condensed Consolidating Financial Information [Abstract]
Direct ownership percentage in Discovery Communications Holding, LLC		33.30%
Indirect ownership percentage in Discovery Communications Holding, LLC		66.70%
Immaterial error correction, value	$ 2.4

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Stock-Based Compensation (Stock-Based Compensation Expense) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense (benefit)	$ 99	$ 182	$ 228
Tax (benefit) expense recognized	37	68	80
Total liabilities for cash-settled awards	27	118
DAP and SARS [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total liabilities for cash-settled awards	37	125
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense (benefit)	36	30	22
SARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense (benefit)	1	13	61
Unit Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense (benefit)	39	127	143
PRSUs And RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense (benefit)	23	12	1
Other Stock-Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense (benefit)			$ 1

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Income Taxes (Schedule Of Income Tax Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Taxes [Abstract]
U.S. federal statutory income tax rate	35.00%	35.00%	35.00%
State and local income taxes, net of federal income taxes	2.00%	3.00%	2.00%
Change in valuation allowance affecting tax expense			(1.00%)
Effect of foreign operations	(1.00%)
Foreign tax credit benefit	(7.00%)
Domestic production activity deductions	(2.00%)	(3.00%)	(2.00%)
Non-deductible goodwill	(1.00%)		11.00%
Release of foreign tax reserve		(3.00%)
Other, net	1.00%	(1.00%)
Effective income tax rate	27.00%	31.00%	45.00%

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Exit And Restructuring Charges (Exit And Restructuring Charges, By Reporting Segment) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended							12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 3	$ 2	$ 4	$ 1	$ 7	$ 4	$ 3	$ 10	$ 14	$ 26
U.S. Networks [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges								4	3	12
International Networks [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges								3	9	8
Educational And Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges										1
Corporate [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges								$ 3	$ 2	$ 5

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Income Taxes (Components Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010	Nov. 12, 2010
Income Taxes [Abstract]
Accounts receivable	$ 2	$ 5
Tax attribute carry-forward	158	83
Unrealized loss on derivatives, investments and foreign currency translation adjustments	19	21
Property and equipment		23
Accrued liabilities and other	105	148
Total deferred income tax assets	284	280
Valuation allowance	(24)	(13)
Net deferred income tax assets	260	267	18
Intangible assets	(158)	(147)
Content rights	(196)	(183)
Unrealized gains on investments		(38)
Equity method investments	(132)	(78)
Notes receivable	(18)	(20)
Other	(20)	(24)
Total deferred income tax liabilities	(524)	(490)
Net deferred income tax liabilities	$ (264)	$ (223)

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Stock-Based Compensation (Unit Awards) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 days years	Dec. 31, 2010 years	Dec. 31, 2009	Dec. 31, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding as of December 31, 2011	1,000,000
Outstanding as of December 31, 2011, Weighted-Average Grant Price	$ 35.44
Number of days preceding and subsequent to closing to determine vesting price and grant price	10
Total vesting period (years)	three
Unrecognized compensation cost	$ 15
Weighted average period of time, in years, compensation expense related to units is expected to be recognized	2.57
Unit Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding as of December 31, 2010	8,800,000
Granted, Units	2,300,000
Settled	(5,400,000)
Forfeited	(200,000)
Outstanding as of December 31, 2011	5,500,000	8,800,000
Vested and expected to vest as of December 31, 2011	5,300,000
Outstanding as of December 31, 2010, Weighted-Average Grant Price	$ 21.98
Granted, Weighted-Average Grant Price	$ 41.17
Settled, Weighted-Average Grant Price	$ 20.61
Forfeited, Weighted-Average Grant Price	$ 21.74
Outstanding as of December 31, 2011, Weighted-Average Grant Price	$ 31.44	$ 21.98
Vested and expected to vest as of December 31, 2011, Weighted-Average Grant Price	$ 31.40
Outstanding as of December 31, 2011, Weighted-Average Remaining Contractual Term (years)	1.02
Vested and expected to vest as of December 31, 2011, Weighted-Average Remaining Contractual Term (years)	1.01
Settled, Aggregate Intrinsic Value	125
Outstanding as of December 31, 2011, Aggregate Intrinsic Value	55
Vested and expected to vest as of December 31, 2011, Aggregate Intrinsic Value	53
Number of days preceding and subsequent to closing to determine vesting price and grant price	10
Annual unit vesting percentage	25.00%
Cash payments made to settle vested unit award	125	101	58
Total vesting period (years)	four
Equity awards other than options settlement date, post vesting (days)	60
Unrecognized compensation cost	$ 33
Weighted average period of time, in years, compensation expense related to units is expected to be recognized	1.81
DAP unit awards				1,500,000	2,400,000
Risk-free interest rate	0.19%	0.39%
Expected term (years)	1.02	0.80
Expected volatility	32.84%	28.97%
Weighted average fair value of Dap units outstanding	12.61	23.35

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Derivative Financial Instruments (Impact Of Derivative Instruments On Income And Other Comprehensive Income (Loss) (Details) (Interest Rate Contracts [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2010
Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount recognized in other comprehensive income (loss), gross of tax	$ (31)
Amount reclassified from accumulated other comprehensive loss into interest expense, net	(18)
Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount recognized in other (expense) income, net	$ (29)

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Related Party Transactions

12 Months Ended

Dec. 31, 2011

Related Party Transactions [Abstract]

Related Party Transactions

NOTE 19. RELATED PARTY TRANSACTIONS

In the normal course of business the Company enters into transactions with other entities that are equity method investees of the Company or who share common directorship and ownership. Transactions with these entities are considered related party transactions. The following is a description of the Company's related parties and details of related party transactions.

Equity Method Investees

The Company provides equity method investees, including unconsolidated VIEs, with content licenses and services such as distribution, sales, and administrative support. (See Note 4.) Transactions for services provided to equity method investees totaled $88 million, $55 million, and $27 million, during 2011, 2010 and 2009, respectively. Operating expenses for services acquired from equity method investees were $10 million, $7 million, and approximately zero during 2011, 2010 and 2009, respectively. Of these services, the Company provided funding for $34 million, $7 million and zero during 2011, 2010 and 2009, respectively.

The Company's equity method investment balance includes a note receivable of $312 million. (See discussion in Note 4). The Company records interest earnings from loans to equity method investees as a component of losses from equity method investees, net, which is a component of other expense, net. Interest earnings from related parties recorded by the Company totaled $17 million, $6 million, and zero for the years ended December 31, 2011, 2010, and 2009, respectively.

Liberty Global, Liberty Interactive, Liberty Media, ACG and DIRECTV

The Company's other related parties include entities that share common directorship or ownership. The majority of the revenues earned under contractual arrangements with other related parties relate to multi-year network distribution arrangements.

Discovery's Board of Directors includes three members who serve as directors of Liberty Global, Inc. ("Liberty Global"), including John C. Malone, who is Chairman of the Board of Liberty Global and beneficially owns approximately 35% of the aggregate voting power, with respect to the election of directors of Liberty Global.

On September 23, 2011, Liberty Interactive Corporation ("Liberty Interactive" formerly known as Liberty Media Corporation) completed the split-off of Liberty Media Corporation ("Liberty Media" formerly known as Liberty CapStarz, Inc.), which became a separate publicly traded company. Two members of the Company's Board of Directors also serve as directors of Liberty Interactive and two members of the Company's Board of Directors serve as directors of Liberty Media. Dr. Malone is Chairman of the Board of Liberty Interactive and Liberty Media, and beneficially owns approximately 32% and 58% of the aggregate voting power with respect to the election of directors of each company, respectively.

Revenues from transactions with Liberty Global, Liberty Interactive, and Liberty Media (the "Liberty Group") totaled $35 million, $31 million, and $30 million, for the years ended December 31, 2011, 2010 and 2009, respectively. Expenses from transactions with the Liberty Group for the years ended December 31, 2011, 2010 and 2009 were not material. The Company's receivable and payable balances as of December 31, 2011 and 2010 from transactions with the Liberty Group were not material.

Effective January 25, 2010, Dr. Malone joined the Board of ACG and beneficially owns approximately 30% of the aggregate voting power of ACG. Operating expenses from transactions with ACG were $27 million and $41 million for the years ended December 31, 2011 and 2010, respectively. Revenues from transactions with ACG for the years ended December 31, 2011 and 2010 were not material. The Company's receivable and payable balances as of December 31, 2011 and 2010 from transactions with ACG were not material.

Prior to June 16, 2010, the Company's Board of Directors also included two members who served as directors of DIRECTV, including Dr. Malone, who was the former Chairman of the Board of DIRECTV. Through June 16, 2010, transactions with DIRECTV are reported as related party transactions. Related party revenues from transactions with DIRECTV were $104 million and $208 million for the years ended December 31, 2010 and 2009, respectively. Expenses from transactions with DIRECTV were not material for the years ended December 31, 2010 and 2009.

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Description Of Business And Basis Of Presentation (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Description Of Business And Basis Of Presentation [Abstract]
Number of operations segments	3
Licensing arrangements for bulk content and other subscription services	$ 109	$ 25	$ 21

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Exit And Restructuring Charges (Tables)

12 Months Ended

Dec. 31, 2011

Exit And Restructuring Charges [Abstract]

Exit And Restructuring Charges, By Reporting Segment

	Year Ended December 31,
	2011		2010		2009
U.S. Networks	$	4	$	3	$	12
International Networks		3		9		8
Education and Other		—		—		1
Corporate		3		2		5
Total exit and restructuring charges	$	10	$	14	$	26

Changes In Exit And Restructuring Liabilities

	Contract Termination Costs			Employee Relocations/ Terminations			Total
Liabilities as of December 31, 2008	$	6		$	18		$	24
Net accruals		5			21			26
Cash paid		(3	)		(26	)		(29	)
Liabilities as of December 31, 2009	$	8		$	13		$	21
Net accruals		3			11			14
Cash paid		(6	)		(14	)		(20	)
Liabilities as of December 31, 2010	$	5		$	10		$	15
Net accruals		—			10			10
Cash paid		(1	)		(15	)		(16	)
Liabilities as of December 31, 2011	$	4		$	5		$	9

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Stock-Based Compensation (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized on future exercise of stock options	40,000,000
Future grant under the incentive plans	24,000,000
Shares authorized for DESPP	5,000,000
Shares issued under DESPP	0
Vesting period, years	three
Outstanding as of December 31, 2011	1,000,000
Outstanding as of December 31, 2011, Weighted-average grant price	$ 35.44
Unrecognized compensation cost	$ 15
Weighted average period of time, in years, compensation expense related to units is expected to be recognized	2.57
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period, years	four
Unrecognized compensation cost	50
Weighted average period of time, in years, compensation expense related to units is expected to be recognized	1.37
SARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash payments made to settle vested SARs units	$ 1	$ 55	$ 23
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs vesting period-minimum	one
RSUs vesting period-maximum	four
DESPP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of common stock closing price for DESPP purchase price	85.00%

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Related Party Transactions (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Related Party Transaction [Line Items]
Related party transaction, revenues from transactions with related party	$ 88	$ 55	$ 27
Variable interest entity, funded debt	312
Operating expenses from transaction with related party	10	7	0
Interest earnings from loans to joint venture	17	6	0
DIRECTV [Member]
Related Party Transaction [Line Items]
Related party transaction, revenues from transactions with related party		104	208
Liberty Media [Member]
Related Party Transaction [Line Items]
Aggregate equity voting power percentage	58.00%
Liberty Interactive [Member]
Related Party Transaction [Line Items]
Aggregate equity voting power percentage	32.00%
ACG [Member]
Related Party Transaction [Line Items]
Operating expenses from transaction with related party	27	41
Liberty Group [Member]
Related Party Transaction [Line Items]
Related party transaction, revenues from transactions with related party	35	31	30
Board Of Directors Chairman [Member]
Related Party Transaction [Line Items]
Aggregate equity voting power percentage	35.00%
Board Of Directors Chairman [Member] | ACG [Member]
Related Party Transaction [Line Items]
Aggregate equity voting power percentage	30.00%
Equity Method Funded Revenues [Member] | Discovery Communications, Inc. [Member]
Related Party Transaction [Line Items]
Related party transaction, revenues from transactions with related party	$ 34	$ 7	$ 0

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Goodwill And Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2011

Goodwill And Intangible Assets [Abstract]

Goodwill By Reportable Segment

	U.S. Networks			International Networks			Education and Other			Total
Balance as of December 31, 2009	$	5,135		$	1,271		$	27		$	6,433
Acquisitions		—			13			—			13
Impairments		—			—			(11	)		(11	)
Foreign currency translation and other adjustments		—			(4	)		3			(1	)
Balance as of December 31, 2010		5,135			1,280			19			6,434
Acquisitions		—			14			—			14
Dispositions		(136	)		—			—			(136	)
Impairments		(20	)		—			—			(20	)
Foreign currency translation and other adjustments		—			(1	)		—			(1	)
Balance as of December 31, 2011	$	4,979		$	1,293		$	19		$	6,291

Schedule Of Intangible Assets Subject To Amortization

	Weighted Average Amortization Period (Years)		As of December 31, 2011							As of December 31, 2010
			Gross		Accumulated  Amortization			Net		Gross		Accumulated Amortization			Net
Intangible assets subject to amortization:
Trademarks		7	$	31	$	(26	)	$	5	$	32	$	(22	)	$	10
Customer relationships		25		513		(113	)		400		524		(99	)		425
Other		5		3		(2	)		1		6		(4	)		2
Total				547		(141	)		406		562		(125	)		437

Schedule Of Intangible Assets Not Subject To Amortization

	As of December 31, 2011						As of December 31, 2010
	Gross		Accumulated  Amortization		Net		Gross		Accumulated Amortization		Net
Intangible assets not subject to amortization:
Trademarks		165		—		165		168		—		168
Total	$	165	$	—	$	165	$	168	$	—	$	168

Amortization Expense For Intangible Assets

	2012		2013		2014		2015		2016		Thereafter
Amortization expense	$	29	$	26	$	26	$	26	$	26	$	273

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Acquisitions And Dispositions (Narrative) (Details) (USD $) In Millions, unless otherwise specified	10 Months Ended	12 Months Ended				12 Months Ended	0 Months Ended	10 Months Ended		9 Months Ended	0 Months Ended
	Nov. 12, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Feb. 17, 2010 London Uplink Facility Business Acquisition [Member]	Dec. 31, 2010 Oprah Winfrey Network (OWN) [Member]	Nov. 12, 2010 Allocation Of Payment To BBC Worldwide [Member]	Nov. 12, 2010 Allocation Of Payment To BBC Worldwide [Member]	Dec. 31, 2010 Allocation Of Payment To BBC Worldwide [Member]	Sep. 30, 2010 Antenna Audio [Member]	Nov. 12, 2010 Remaining Ownership Percentage [Member]	Nov. 02, 2011 Factual Entertainment Production Company [Member]	Dec. 29, 2011 Latin American Cable Channel [Member]	Sep. 02, 2010 Antenna Audio [Member]	Sep. 30, 2010 Ascent Capital Group [Member]
Company acquired remaining ownership		100.00%					100.00%				50.00%
Allocation of net losses by ventures, percentage	100.00%
Business acquisition, cost of acquired entity, purchase price					$ 35				$ 152			$ 16	$ 10
Redeemable noncontrolling interests								49
Deferred tax asset	18	260	267
Business acquisition, cost of acquired entity, cash paid	10
Net proceeds of business disposition			24	300						24
Gain on sale, net of taxes														9
Gains on dispositions		129	9	252		129
Reversal of tax obligation															12
Decrease In Equity For Purchase Of Noncontrolling Interests			117
Purchase price amount allocated to equity method investee			$ 4

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Debt (Outstanding Debt) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Debt Instrument [Line Items]
Capital lease obligations	$ 106	$ 126
Total long-term debt	4,256	3,626
Unamortized discount	(11)	(8)
Long-term debt, net	4,245	3,618
Current portion of long-term debt	(26)	(20)
Noncurrent portion of long-term debt	4,219	3,598
3.70% Senior Notes [Member]
Debt Instrument [Line Items]
Total long-term debt	850	850
5.625% Senior Notes [Member]
Debt Instrument [Line Items]
Total long-term debt	500	500
5.05% Senior Notes [Member]
Debt Instrument [Line Items]
Total long-term debt	1,300	1,300
4.375% Senior Notes [Member]
Debt Instrument [Line Items]
Total long-term debt	650
6.35% Senior Notes [Member]
Debt Instrument [Line Items]
Total long-term debt	$ 850	$ 850

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Condensed Consolidating Financial Information (Condensed Consolidating Statement Of Operations) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2010		Sep. 30, 2010		Jun. 30, 2010		Mar. 31, 2010		Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenues	$ 1,122	[1],[2],[3],[4],[5]	$ 1,095	[1],[2],[3],[4],[5]	$ 1,067	[1],[2],[3],[4],[5]	$ 951	[1],[2],[3],[4],[5]	$ 1,015	[1],[10],[6],[7],[8],[9]	$ 926	[1],[10],[6],[7],[8],[9]	$ 963	[1],[10],[6],[7],[8],[9]	$ 869	[1],[10],[6],[7],[8],[9]	$ 4,235	$ 3,773	$ 3,458
Costs of revenues, excluding depreciation and amortization	330	[1],[2],[3],[4],[5]	342	[1],[2],[3],[4],[5]	288	[1],[2],[3],[4],[5]	273	[1],[2],[3],[4],[5]	291	[1],[10],[6],[7],[8],[9]	261	[1],[10],[6],[7],[8],[9]	254	[1],[10],[6],[7],[8],[9]	267	[1],[10],[6],[7],[8],[9]	1,233	1,073	1,044
Selling, general and administrative																	1,183	1,185	1,188
Depreciation and amortization																	119	130	152
Restructuring and impairment charges	3		2		4		1		7		4				3		10	14	26
Gain on dispositions							(129)										(129)		(252)
Total costs and expenses																	2,436	2,413	2,184
Operating (loss) income	421	[1],[2],[3],[4],[5]	426	[1],[2],[3],[4],[5]	445	[1],[2],[3],[4],[5]	507	[1],[2],[3],[4],[5]	394	[1],[10],[6],[7],[8],[9]	312	[1],[10],[6],[7],[8],[9]	372	[1],[10],[6],[7],[8],[9]	282	[1],[10],[6],[7],[8],[9]	1,799	1,360	1,274
Interest expense, net																	(208)	(203)	(248)
Loss on extinguishment of debt																		(136)
Other income (expense), net																	(32)	(86)	13
Income from continuing operations before income taxes																	1,559	935	1,039
Benefit from (provision for) income taxes	(112)																(425)	(288)	(469)
Income from continuing operations, net of taxes	337	[1],[2],[3],[4],[5]	238	[1],[2],[3],[4],[5]	254	[1],[2],[3],[4],[5]	305	[1],[2],[3],[4],[5]	200	[1],[10],[6],[7],[8],[9]	164	[1],[10],[6],[7],[8],[9]	110	[1],[10],[6],[7],[8],[9]	173	[1],[10],[6],[7],[8],[9]	1,134	647	570
Income from discontinued operations, net of taxes			(1)	[1],[2],[3],[4],[5]					(3)	[1],[10],[6],[7],[8],[9]	25	[1],[10],[6],[7],[8],[9]					(1)	22	(6)
Net income	337	[1],[2],[3],[4],[5]	237	[1],[2],[3],[4],[5]	254	[1],[2],[3],[4],[5]	305	[1],[2],[3],[4],[5]	197	[1],[10],[6],[7],[8],[9]	189	[1],[10],[6],[7],[8],[9]	110	[1],[10],[6],[7],[8],[9]	173	[1],[10],[6],[7],[8],[9]	1,133	669	564
Net income attributable to noncontrolling interests	1	[1],[2],[3],[4],[5]							6	[1],[10],[6],[7],[8],[9]	3	[1],[10],[6],[7],[8],[9]	3	[1],[10],[6],[7],[8],[9]	4	[1],[10],[6],[7],[8],[9]	(1)	(16)	(15)
Net income attributable to Discovery Communications, Inc.									191	[1],[10],[6],[7],[8],[9]	186	[1],[10],[6],[7],[8],[9]	107	[1],[10],[6],[7],[8],[9]	169	[1],[10],[6],[7],[8],[9]	1,132	653	549
Stock dividends to preferred interests													1	[1],[10],[6],[7],[8],[9]				(1)	(8)
Net income available to Discovery Communications, Inc. stockholders	336	[1],[2],[3],[4],[5]	237	[1],[2],[3],[4],[5]	254	[1],[2],[3],[4],[5]	305	[1],[2],[3],[4],[5]	191	[1],[10],[6],[7],[8],[9]	186	[1],[10],[6],[7],[8],[9]	106	[1],[10],[6],[7],[8],[9]	169	[1],[10],[6],[7],[8],[9]	1,132	652	541
Discovery [Member]
Selling, general and administrative																	11	11	8
Total costs and expenses																	11	11	8
Operating (loss) income																	(11)	(11)	(8)
Equity in earnings of subsidiaries																	1,139	661	553
Income from continuing operations before income taxes																	1,128	650	545
Benefit from (provision for) income taxes																	4	3	4
Income from continuing operations, net of taxes																	1,132	653	549
Net income																	1,132	653	549
Net income attributable to Discovery Communications, Inc.																	1,132	653	549
Stock dividends to preferred interests																		(1)	(8)
Net income available to Discovery Communications, Inc. stockholders																		652	541
Discovery Communications Holding, LLC [Member]
Equity in earnings of subsidiaries																	1,141	725	637
Interest expense, net																		(48)	(123)
Loss on extinguishment of debt																		(20)
Other income (expense), net																		(32)	(1)
Income from continuing operations before income taxes																	1,141	625	513
Benefit from (provision for) income taxes																		37	45
Income from continuing operations, net of taxes																	1,141	662	558
Net income																	1,141	662	558
Net income attributable to Discovery Communications, Inc.																	1,141	662	558
Net income available to Discovery Communications, Inc. stockholders																		662	558
Discovery Communications, LLC [Member]
Revenues																	1,764	1,636	1,577
Costs of revenues, excluding depreciation and amortization																	423	364	357
Selling, general and administrative																	360	390	377
Depreciation and amortization																	38	39	49
Restructuring and impairment charges																	6	3	12
Gain on dispositions																			(252)
Total costs and expenses																	827	796	543
Operating (loss) income																	937	840	1,034
Equity in earnings of subsidiaries																	625	382	170
Interest expense, net																	(203)	(149)	(121)
Loss on extinguishment of debt																		(116)
Other income (expense), net																	3	(59)	8
Income from continuing operations before income taxes																	1,362	898	1,091
Benefit from (provision for) income taxes																	(221)	(179)	(454)
Income from continuing operations, net of taxes																	1,141	719	637
Income from discontinued operations, net of taxes																		6
Net income																	1,141	725	637
Net income attributable to Discovery Communications, Inc.																	1,141	725	637
Net income available to Discovery Communications, Inc. stockholders																		725	637
Non-Guarantor Subsidiaries Of Discovery Communications, LLC [Member]
Revenues																	2,415	2,078	1,825
Costs of revenues, excluding depreciation and amortization																	761	656	635
Selling, general and administrative																	802	774	799
Depreciation and amortization																	80	89	103
Restructuring and impairment charges																	24	11	40
Gain on dispositions																	(129)
Total costs and expenses																	1,538	1,530	1,577
Operating (loss) income																	877	548	248
Interest expense, net																	(5)	(6)	(4)
Other income (expense), net																	(35)	5	6
Income from continuing operations before income taxes																	837	547	250
Benefit from (provision for) income taxes																	(210)	(153)	(59)
Income from continuing operations, net of taxes																	627	394	191
Income from discontinued operations, net of taxes																	(1)	4	(6)
Net income																	626	398	185
Net income attributable to noncontrolling interests																		(11)	(11)
Net income attributable to Discovery Communications, Inc.																	626	387	174
Net income available to Discovery Communications, Inc. stockholders																		387	174
Other Non - Guarantor Subsidiaries Of Discovery Communications, Inc. [Member]
Revenues																	67	67	71
Costs of revenues, excluding depreciation and amortization																	57	60	60
Selling, general and administrative																	12	11	11
Depreciation and amortization																	1	2
Restructuring and impairment charges																		11
Total costs and expenses																	70	84	71
Operating (loss) income																	(3)	(17)
Equity in earnings of subsidiaries																	760	441	372
Income from continuing operations before income taxes																	757	424	372
Benefit from (provision for) income taxes																	2	4	(5)
Income from continuing operations, net of taxes																	759	428	367
Income from discontinued operations, net of taxes																		12
Net income																	759	440	367
Net income attributable to Discovery Communications, Inc.																	759	440	367
Net income available to Discovery Communications, Inc. stockholders																		440	367
Reclassifications And Eliminations [Member]
Revenues																	(11)	(8)	(15)
Costs of revenues, excluding depreciation and amortization																	(8)	(7)	(8)
Selling, general and administrative																	(2)	(1)	(7)
Total costs and expenses																	(10)	(8)	(15)
Operating (loss) income																	(1)
Equity in earnings of subsidiaries																	(3,665)	(2,209)	(1,732)
Income from continuing operations before income taxes																	(3,666)	(2,209)	(1,732)
Income from continuing operations, net of taxes																	(3,666)	(2,209)	(1,732)
Net income																	(3,666)	(2,209)	(1,732)
Net income attributable to noncontrolling interests																	(1)	(5)	(4)
Net income attributable to Discovery Communications, Inc.																	(3,667)	(2,214)	(1,736)
Net income available to Discovery Communications, Inc. stockholders																		(2,214)	(1,736)
Discovery Communications, Inc. And Subsidiaries [Member]
Revenues																	4,235	3,773	3,458
Costs of revenues, excluding depreciation and amortization																	1,233	1,073	1,044
Selling, general and administrative																	1,183	1,185	1,188
Depreciation and amortization																	119	130	152
Restructuring and impairment charges																	30	25	52
Gain on dispositions																	(129)		(252)
Total costs and expenses																	2,436	2,413	2,184
Operating (loss) income																	1,799	1,360	1,274
Interest expense, net																	(208)	(203)	(248)
Loss on extinguishment of debt																		(136)
Other income (expense), net																	(32)	(86)	13
Income from continuing operations before income taxes																	1,559	935	1,039
Benefit from (provision for) income taxes																	(425)	(288)	(469)
Income from continuing operations, net of taxes																	1,134	647	570
Income from discontinued operations, net of taxes																	(1)	22	(6)
Net income																	1,133	669	564
Net income attributable to noncontrolling interests																	(1)	(16)	(15)
Net income attributable to Discovery Communications, Inc.																	1,132	653	549
Stock dividends to preferred interests																		(1)	(8)
Net income available to Discovery Communications, Inc. stockholders																		$ 652	$ 541

[1] Income per share amounts for the quarters and full years have each been calculated separately. Accordingly, income per share amounts for a particular quarter may not sum. Additionally, quarterly amounts may not add to the annual amounts because of differences in the average common shares outstanding during each period and, with regard to diluted per common share amounts only, because of the inclusion of the effect of potentially dilutive securities only in the periods in which such effect would have been dilutive.

[2] The results of operations for the quarter ended March 31, 2011 include a pretax gain of $129 million related to the contribution of the domestic Discovery Health network to OWN LLC in connection with the launch of OWN on January 1, 2011. The gain resulted in $27 million of tax expense. (See Note 4.) Additionally, the Company incurred $1 million of restructuring charges and purchased 4.73 million shares of its Series C common stock.

[3] The results of operations for the quarter ended June 30, 2011 include $4 million of restructuring charges. Additionally, the Company repurchased 5.64 million shares of its Series C common stock.

[4] The results of operations for the quarter ended September 30, 2011 include $2 million of restructuring charges. Additionally the Company repurchased 9.79 million shares of its Series C common stock.

[5] The results of operations for the quarter ended December 31, 2011 include a $112 million income tax benefit related to foreign tax credits and $3 million of exit and restructuring charges. Additionally, the Company repurchased 7.00 million shares of its Series C common stock.

[6] The results of operations for the quarter ended March 31, 2010 include a $28 million reversal of foreign tax reserves, $4 million of losses on interest rate swaps, and $3 million of restructuring charges.

[7] The results of operations for the quarter ended June 30, 2010 include a $136 million loss on extinguishment of debt and $23 million of losses on interest rate swaps.

[8] The results of operations for the quarter ended September 30, 2010 include a $12 million reversal of a tax payable related to discontinued operations, an $11 million pretax noncash impairment charge related to goodwill, and $4 million of exit and restructuring charges. Additionally, the Company repurchased 1.12 million shares of its Series C common stock.

[9] On September 1, 2010, the Company sold its Antenna Audio business for net cash proceeds of $24 million, which resulted in a $9 million gain, net of taxes. The operating results of Antenna Audio have been reported as discontinued operations for all periods. Certain quarterly financial data in the above table vary from the amounts previously reported on the Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2010 due to subsequent presentation of Antenna Audio as discontinued operations.

[10] The results of operations for the quarter ended December 31, 2010 include $7 million of exit and restructuring charges. Additionally, the Company repurchased 1.87 million shares of its Series C common stock and 13.73 million shares of its Series C convertible preferred stock.

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Property And Equipment (Components Of Property And Equipment) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Property And Equipment [Abstract]
Land, buildings and leasehold improvements	$ 290	$ 284
Broadcast equipment	381	364
Capitalized software costs	178	170
Office equipment, furniture, fixtures and other	266	235
Property and equipment, at cost	1,115	1,053
Accumulated depreciation	(736)	(654)
Property and equipment, net	$ 379	$ 399

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Reportable Segments (Tables)

12 Months Ended

Dec. 31, 2011

Reportable Segments [Abstract]

Schedule Of Revenues By Segment

	Year Ended December 31,
	2011			2010		2009
U.S. Networks	$	2,619		$	2,363	$	2,170
International Networks		1,455			1,251		1,131
Education and Other		162			153		148
Corporate and inter-segment eliminations		(1	)		6		9
Total revenues	$	4,235		$	3,773	$	3,458

Schedule Of Adjusted OIBDA By Segment

	Year Ended December 31,
	2011			2010			2009
U.S. Networks	$	1,495		$	1,365		$	1,229
International Networks		645			545			445
Education and Other		23			15			16
Corporate and inter-segment eliminations		(249	)		(226	)		(204	)
Total Adjusted OIBDA	$	1,914		$	1,699		$	1,486

Schedule Of Reconciliation Of Adjusted OIBDA To Operating Income

	Year Ended December 31,
	2011			2010			2009
Total Adjusted OIBDA	$	1,914		$	1,699		$	1,486
Amortization of deferred launch incentives		(52	)		(42	)		(55	)
Mark-to-market stock-based compensation		(43	)		(142	)		(205	)
Depreciation and amortization		(119	)		(130	)		(152	)
Restructuring and impairment charges		(30	)		(25	)		(52	)
Gains on dispositions		129			—			252
Total operating income	$	1,799		$	1,360		$	1,274

Schedule Of Total Assets By Segment

	As of December 31,
	2011		2010
U.S. Networks	$	2,679	$	2,218
International Networks		1,244		1,127
Education and Other		68		74
Corporate		7,922		7,600
Total assets	$	11,913	$	11,019

Schedule Of Content Amortization And Impairment Expense By Segment

		$4,235		$4,235		$4,235
	Year Ended December 31,
	2011		2010		2009
U.S. Networks	$	567	$	463	$	439
International Networks		270		241		259
Education and Other		4		7		8
Corporate		5		4		3
Total content amortization and impairment expense	$	846	$	715	$	709

Schedule Of Revenues By Country

		$4,235		$4,235		$4,235
	Year Ended December 31,
	2011		2010		2009
U.S.	$	2,784	$	2,504	$	2,297
Non-U.S.		1,451		1,269		1,161
Total revenues	$	4,235	$	3,773	$	3,458

Schedule Of Property And Equipment By Country

	As of December 31,
	2011		2010
U.S.	$	271	$	280
U.K.		80		84
Other non-U.S.		28		35
Total property and equipment, net	$	379	$	399

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Acquisitions And Dispositions

12 Months Ended

Dec. 31, 2011

Acquisitions And Dispositions [Abstract]

Acquisitions And Dispositions

NOTE 3. ACQUISITIONS AND DISPOSITIONS

Acquisitions

On November 2, 2011, Discovery acquired a non-fiction entertainment production company in the U.K. for a purchase price of $16 million, net of cash acquired to improve the development of content for its international networks. On December 29, 2011, Discovery acquired a Latin American cable channel for a purchase price of $10 million to increase distribution of TLC content. Both business combinations have been included in the Company's operating results since their acquisition date.

BBC Ventures

On November 12, 2010, the Company acquired the remaining 50% ownership interest in substantially all of the ventures that operate the international Animal Planet and Liv (formerly People + Arts) networks from BBC Worldwide for a payment of $152 million. The acquisition provides the Company 100% ownership of most of these entities.

Prior to the acquisition, the Company determined that the ventures qualified as VIEs and that it met the control requirements to consolidate the ventures. For most ventures, 100% of the net losses generated by the ventures were allocated to the Company because it had assumed all funding requirements. Any net income generated by the ventures was initially allocated to the Company to repay amounts funded and any excess profits were allocated to the Company and BBC Worldwide. BBC Worldwide's equity interests in consolidated ventures were reported as noncontrolling interests in the consolidated financial statements.

The acquisition of the additional interests in the international Animal Planet and Liv network ventures was accounted for as a noncontrolling interest transaction as there was no change in control of the ventures. The $152 million payment to BBC Worldwide was allocated $117 million to additional paid in capital and $4 million to equity method investment. Prior to the acquisition, BBC Worldwide had a put right to sell its interests in the ventures to the Company. The Company had previously accrued $49 million as redeemable noncontrolling interests on the consolidated balance sheets for this put right and an associated $18 million deferred tax asset. A portion of the purchase price was allocated to these items as the acquisition eliminated BBC Worldwide's put right and the associated deferred tax asset.

In addition to the acquisition of the remaining interests in the international Animal Planet and Liv ventures, the Company also made a $10 million payment to BBC Worldwide to settle a pre-existing content purchase arrangement.

The net income attributable to the Company and transfers from noncontrolling interests were as follows (in millions).

	Year Ended December 31,
	2011		2010			2009
Net income attributable to Discovery Communications, Inc.	$	1,132	$	653		$	549
Decrease in equity for purchase of noncontrolling interests		—		(117	)		—
Change from net income attributable to Discovery Communications, Inc. and transfers to noncontrolling interests	$	1,132	$	536		$	549

Effective January 1, 2010, the Company adopted the FASB's new guidance for accounting for interests in VIEs, which resulted in the Company deconsolidating one of the ventures associated with BBC Worldwide, APJ, and using the equity method to account for its interest in APJ. The acquisition of BBC Worldwide's interest in APJ did not change the Company's accounting due to certain rights held by the other venture partner.

Uplink Facility

On February 17, 2010, the Company acquired all interests in an uplink facility in the U.K., including its employees and operations, for a payment of $35 million. The uplink center is used to deliver Discovery's networks in the United Kingdom and Europe, Africa and the Middle East, and has been integrated into the Company's International Networks segment. The acquisition has provided the Company more flexibility to expand the distribution of its content. The uplink facility has been included in the Company's operating results since the date of acquisition.

Dispositions

Discovery Health Network

On January 1, 2011, the Company contributed the domestic Discovery Health network to OWN LLC in connection with the launch of OWN, which resulted in a pretax gain of $129 million. (See Note 4.) As the Company continues to be involved in the operations of the Discovery Health network through its ownership interests in OWN LLC, the Company has not presented the financial position, results of operations, and cash flows of the Discovery Health network as discontinued operations.

Discontinued Operations

Antenna Audio

On September 1, 2010, the Company sold its Antenna Audio business for net cash proceeds of $24 million, which resulted in a $9 million gain, net of taxes. Antenna Audio's operating results are classified as discontinued operations in the consolidated statements of operations.

ACG (formally known as Ascent Media Corporation)

In September 2010, the Company received a tax refund, which eliminated a $12 million obligation to ACG, an entity spun off in 2008. The reversal of this obligation has been recorded as a benefit in income (loss) from discontinued operations, net of taxes on the consolidated statements of operations.

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Goodwill And Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended					3 Months Ended	12 Months Ended						3 Months Ended	12 Months Ended		12 Months Ended
	Sep. 30, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Business Acquistions [Member]	Dec. 31, 2011 OWN Joint Venture [Member]	Dec. 31, 2011 U.S. Networks [Member]	Dec. 31, 2011 U.S. Networks [Member]	Dec. 31, 2009 U.S. Networks [Member]	Dec. 31, 2011 International Networks [Member]	Dec. 31, 2010 International Networks [Member]	Dec. 31, 2009 International Networks [Member]	Dec. 31, 2009 International Networks [Member] Antenna Audio [Member]	Sep. 30, 2010 Educational And Other [Member]	Dec. 31, 2010 Educational And Other [Member]	Dec. 31, 2011 Educational And Other [Member]	Dec. 31, 2011 Commerce Reporting Unit [Member]
Goodwill [Line Items]
Goodwill, period increase (decrease)			$ 13			$ (136)
Indefinite-lived intangible assets, period increase (decrease)		(34)
Amortization expense excluding impairment charges intangible assets		31	38	50
Non cash impairment charge	11	20	11				20	20	17			6	6	11	11		20
Noncash Impairment Charges Related To Capitalized Software									3
Accumulated impairments							20	20							11	11
Goodwill, acquired during period		$ 14	$ 13		$ 14					$ 14	$ 13

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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Schedule Of Components Of Income From Continuing Operations Before Income Taxes

		$1,559		$1,559		$1,559
	Year Ended December 31,
	2011		2010		2009
Domestic	$	1,011	$	568	$	744
Foreign		548		367		295
Income from continuing operations before income taxes	$	1,559	$	935	$	1,039

Schedule Of Components Of Provision For Income Taxes

		$1,559			$1,559			$1,559
	Year Ended December 31,
	2011			2010			2009
Current:
Federal	$	253		$	184		$	389
State and local taxes		38			30			41
Foreign		109			63			60
		400			277			490
Deferred:
Federal		15			8			(15	)
State and local taxes		13			5			(3	)
Foreign		(3	)		(2	)		(3	)
		25			11			(21	)
Provision for income taxes	$	425		$	288		$	469

Schedule Of Effective Income Tax Rate Reconciliation

	Year Ended December 31,
	2011			2010			2009
U.S. federal statutory income tax rate		35	%		35	%		35	%
State and local income taxes, net of federal income taxes		2	%		3	%		2	%
Change in valuation allowance affecting tax expense		—	%		—	%		(1	)%
Effect of foreign operations		(1	)%		—	%		—	%
Foreign tax credit benefit		(7	)%		—	%		—	%
Domestic production activity deductions		(2	)%		(3	)%		(2	)%
Non-deductible goodwill		(1	)%		—	%		11	%
Release of foreign tax reserve		—	%		(3	)%		—	%
Other, net		1	%		(1	)%		—	%
Effective income tax rate		27	%		31	%		45	%

Schedule Of Deferred Tax Assets And Liabilities

	As of December 31,
	2011			2010
Deferred income tax assets:
Accounts receivable	$	2		$	5
Tax attribute carry-forward		158			83
Unrealized loss on derivatives, investments and foreign currency translation adjustments		19			21
Property and equipment		—			23
Accrued liabilities and other		105			148
Total deferred income tax assets		284			280
Valuation allowance		(24	)		(13	)
Net deferred income tax assets		260			267
Deferred income tax liabilities:
Intangible assets		(158	)		(147	)
Content rights		(196	)		(183	)
Unrealized gains on investments		—			(38	)
Equity method investments		(132	)		(78	)
Notes receivable		(18	)		(20	)
Other		(20	)		(24	)
Total deferred income tax liabilities		(524	)		(490	)
Net deferred income tax liabilities	$	(264	)	$	(223	)

Schedule Of Income Tax Assets And Liabilities Financial Position

	As of December 31,
	2011			2010
Deferred income tax assets	$	73		$	81
Deferred income tax liabilities		(337	)		(304	)
Net deferred income tax liabilities	$	(264	)	$	(223	)

Schedule Of Unrecognized Tax Benefits

	Year Ended December 31,
	2011			2010			2009
Beginning balance	$	63		$	71		$	74
Additions based on tax positions related to the current year		15			10			2
Additions for tax positions of prior years		7			3			2
Reductions for tax positions of prior years		(20	)		—			(6	)
Settlements		(1	)		(26	)		(1	)
Reductions as result of statute lapse		(18	)		—			(1	)
Additions for foreign currency exchange rates		—			5			1
Ending balance	$	46		$	63		$	71

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Condensed Consolidating Financial Information

12 Months Ended

Dec. 31, 2011

Condensed Consolidating Financial Information [Abstract]

Condensed Consolidating Financial Information

NOTE 23. CONDENSED CONSOLIDATING FINANCIAL INFORMATION

Overview

As of December 31, 2011 and 2010, the senior notes outstanding have been issued by DCL, a wholly-owned subsidiary of the Company, pursuant to a Registration Statement on Form S-3 filed with the SEC on June 17, 2009 (the "Shelf Registration"). (See Note 10 for a discussion of the senior notes.) The Company fully and unconditionally guarantees the senior notes on an unsecured basis. The Company, DCL, and/or Discovery Communications Holding LLC ("DCH") (collectively the "Issuers") may issue additional debt securities under the Shelf Registration that are fully and unconditionally guaranteed by the other Issuers.

Set forth below are condensed consolidating financial statements presenting the financial position, results of operations, and cash flows of (i) the Company, (ii) DCH, (iii) DCL, (iv) the non-guarantor subsidiaries of DCL on a combined basis, (v) the other non-guarantor subsidiaries of the Company on a combined basis, and (vi) reclassifications and eliminations necessary to arrive at the consolidated financial statement balances for the Company. DCL and the non-guarantor subsidiaries of DCL are the primary operating subsidiaries of the Company. DCL primarily includes the Discovery Channel and TLC networks in the U.S. The non-guarantor subsidiaries of DCL include substantially all of the Company's other U.S. and international networks, education businesses, and most of the Company's websites and other digital media services. The non-guarantor subsidiaries of DCL are wholly-owned subsidiaries of DCL with the exception of certain equity method investments. DCL is a wholly-owned subsidiary of DCH. The Company wholly owns DCH through a 33 1/3% direct ownership interest and a 66 2/3% indirect ownership interest through Discovery Holding Company ("DHC"), a wholly-owned subsidiary of the Company. DHC is included in the other non-guarantor subsidiaries of the Company.

Basis of Presentation

Solely for purposes of presenting the condensed consolidating financial statements, investments in the Company's subsidiaries have been accounted for by their respective parent company using the equity method. Accordingly, in the following condensed consolidating financial statements the equity method has been applied to (i) the Company's interests in DCH and the other non-guarantor subsidiaries of the Company, (ii) DCH's interest in DCL, and (iii) DCL's interests in the non-guarantor subsidiaries of DCL. Inter-company accounts and transactions have been eliminated to arrive at the consolidated financial statement amounts for the Company. The Company's accounting bases in all subsidiaries, including goodwill and recognized intangible assets, have been "pushed down" to the applicable subsidiaries.

Prior to the International reorganization that occurred in November 2011, all direct and indirect subsidiaries were included in the Company's consolidated U.S. income tax return. Effective with the reorganization, the operations of certain of the Company's international subsidiaries are excluded from the Company's consolidated U.S. income tax return. (See Note 16.) Tax expense related to permanent differences has been allocated to the entity that created the difference. Tax expense related to temporary differences has been allocated to the entity that created the difference if possible, while other temporary differences are allocated to each entity included in the Company's consolidated U.S. income tax return based on each entity's relative pretax income. Deferred taxes of the Company, DCL, and the non-guarantor subsidiaries have been allocated based upon the temporary differences between the carrying amounts of the respective assets and liabilities of the applicable entities.

The 2010 condensed consolidating balance sheets of Discovery Communications Inc. and Other Non-Guarantor Subsidiaries of Discovery Communications Inc. have been revised to reduce investments in and advances to consolidated subsidiaries and inter-company contributions and advances between Discovery Communications, Inc. and subsidiaries by $2.4 billion. The revisions did not affect the condensed consolidating statements of operations or cash flow, the Company's consolidated financial statements, or the debt covenants. The Company does not believe these revisions are material to the condensed consolidating financial information as of December 31, 2010 or any prior period.

The condensed consolidating financial statements should be read in conjunction with the consolidated financial statements of the Company.

CONDENSED CONSOLIDATING BALANCE SHEET

	Discovery Communications, Inc.		Discovery Communications  Holding, LLC		Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC		Other Non- Guarantor Subsidiaries of Discovery Communications, Inc.		Reclassifications  and Eliminations			Discovery Communications, Inc. and Subsidiaries
ASSETS
Current assets:
Cash and cash equivalents	$	—	$	—	$	964		$	83	$	1	$	—		$	1,048
Receivables, net		—		—		423			608		13		(2	)		1,042
Content rights, net		—		—		7			86		—		—			93
Deferred income taxes		—		—		33			40		—		—			73
Prepaid expenses and other current assets		35		—		89			50		1		—			175
Total current assets		35		—		1,516			867		15		(2	)		2,431
Investment in and advances to consolidated subsidiaries		6,482		6,460		4,569			—		4,317		(21,828	)		—
Noncurrent content rights, net		—		—		559			743		—		—			1,302
Goodwill		—		—		3,767			2,524		—		—			6,291
Equity method investments		—		—		350			457		—		—			807
Other noncurrent assets		—		20		485			590		7		(20	)		1,082
Total assets	$	6,517	$	6,480	$	11,246		$	5,181	$	4,339	$	(21,850	)	$	11,913
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable and accrued liabilities	$	—	$	5	$	253		$	273	$	5	$	(1	)	$	535
Current portion of long-term debt		—		—		6			20		—		—			26
Other current liabilities		—		—		67			117		1		—			185
Total current liabilities		—		5		326			410		6		(1	)		746
Long-term debt		—		—		4,154			65		—		—			4,219
Other noncurrent liabilities		—		—		306			135		8		(20	)		429
Total liabilities		—		5		4,786			610		14		(21	)		5,394
Inter-company contributions and advances between Discovery Communications, Inc. and subsidiaries		—		996		(846	)		3,997		(1,794)		(2,353	)		—
Equity attributable to Discovery Communications, Inc.		6,517		5,479		7,306			574		6,119		(19,478	)		6,517
Equity and advances attributable to Discovery Communications, Inc.		6,517		6,475		6,460			4,571		4,325		(21,831	)		6,517
Noncontrolling interests		—		—		—			—		—		2			2
Total equity		6,517		6,475		6,460			4,571		4,325		(21,829	)		6,519
Total liabilities and equity	$	6,517	$	6,480	$	11,246		$	5,181	$	4,339	$	(21,850	)	$	11,913

CONDENSED CONSOLIDATING BALANCE SHEET

December 31, 2010

(in millions)

	Discovery Communications, Inc.		Discovery Communications  Holding, LLC		Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non- Guarantor Subsidiaries of Discovery Communications, Inc.		Reclassifications  and Eliminations			Discovery Communications, Inc. and Subsidiaries
ASSETS
Current assets:
Cash and cash equivalents	$	—	$	—	$	369		$	93		$	4	$	—		$	466
Receivables, net		—		—		391			476			13		—			880
Content rights, net		—		—		8			75			—		—			83
Deferred income taxes		—		—		40			41			—		—			81
Prepaid expenses and other current assets		109		3		65			48			1		(1	)		225
Total current assets		109		3		873			733			18		(1	)		1,735
Investment in and advances to subsidiaries		6,116		6,091		4,129			—			4,070		(20,406	)		—
Noncurrent content rights, net		—		—		557			688			—		—			1,245
Goodwill		—		—		3,876			2,558			—		—			6,434
Equity method investments		—		—		354			101			—		—			455
Other noncurrent assets		—		12		518			625			7		(12	)		1,150
Total assets	$	6,225	$	6,106	$	10,307		$	4,705		$	4,095	$	(20,419	)	$	11,019
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable and accrued liabilities	$	—	$	—	$	216		$	260		$	5	$	(1	)	$	480
Current portion of long-term debt		—		—		6			14			—		—			20
Other current liabilities		—		1		121			162			1		—			285
Total current liabilities		—		1		343			436			6		(1	)		785
Long-term debt		—		—		3,513			85			—		—			3,598
Other noncurrent liabilities		—		—		360			47			8		(12	)		403
Total liabilities		—		1		4,216			568			14		(13	)		4,786
Inter-company contributions and advances between Discovery Communications, Inc. and subsidiaries		—		1,777		(57	)		4,702			(1,271)		(5,151	)		—
Equity (deficit) attributable to Discovery Communications, Inc.		6,225		4,328		6,148			(565	)		5,352		(15,263	)		6,225
Equity and advances attributable to Discovery Communications, Inc.		6,225		6,105		6,091			4,137			4,081		(20,414	)		6,225
Noncontrolling interests		—		—		—			—			—		8			8
Total equity		6,225		6,105		6,091			4,137			4,081		(20,406	)		6,233
Total liabilities and equity	$	6,225	$	6,106	$	10,307		$	4,705		$	4,095	$	(20,419	)	$	11,019

CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS

For the Year Ended December 31, 2011

(in millions)

	Discovery Communications, Inc.			Discovery Communications Holding, LLC		Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non- Guarantor Subsidiaries of Discovery Communications, Inc.			Reclassifications and Eliminations			Discovery Communications, Inc. and Subsidiaries
Revenues	$	—		$	—	$	1,764		$	2,415		$	67		$	(11	)	$	4,235
Cost of revenues, excluding depreciation and amortization listed below		—			—		423			761			57			(8	)		1,233
Selling, general and administrative		11			—		360			802			12			(2	)		1,183
Depreciation and amortization		—			—		38			80			1			—			119
Restructuring and impairment charges		—			—		6			24			—			—			30
Gain on disposition		—			—		—			(129	)		—			—			(129	)
Total costs and expenses	$	11		$	—	$	827		$	1,538		$	70		$	(10	)	$	2,436
Operating (loss) income		(11	)		—		937			877			(3	)		(1	)		1,799
Equity in earnings of subsidiaries		1,139			1,141		625			—			760			(3,665	)		—
Interest expense, net		—			—		(203	)		(5	)		—			—			(208	)
Other income (expense), net		—			—		3			(35	)		—			—			(32	)
Income from continuing operations before income taxes		1,128			1,141		1,362			837			757			(3,666	)		1,559
Benefit from (provision for) income taxes		4			—		(221	)		(210	)		2			—			(425	)
Income from continuing operations, net of taxes		1,132			1,141		1,141			627			759			(3,666	)		1,134
Loss from discontinued operations, net of taxes		—			—		—			(1	)		—			—			(1	)
Net income		1,132			1,141		1,141			626			759			(3,666	)		1,133
Net income attributable to noncontrolling interests		—			—		—			—			—			(1	)		(1	)
Net income attributable to Discovery Communications, Inc.	$	1,132		$	1,141	$	1,141		$	626		$	759		$	(3,667	)	$	1,132

CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS

For the Year Ended December 31, 2010

(in millions)

	Discovery Communications, Inc.			Discovery Communications Holding, LLC			Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non- Guarantor Subsidiaries of Discovery Communications, Inc.			Reclassifications and Eliminations			Discovery Communications, Inc. and Subsidiaries
Revenues	$	—		$	—		$	1,636		$	2,078		$	67		$	(8	)	$	3,773
Cost of revenues, excluding depreciation and amortization listed below		—			—			364			656			60			(7	)		1,073
Selling, general and administrative		11			—			390			774			11			(1	)		1,185
Depreciation and amortization		—			—			39			89			2			—			130
Restructuring and impairment charges		—			—			3			11			11			—			25
Total costs and expenses	$	11		$	—		$	796		$	1,530		$	84		$	(8	)	$	2,413
Operating (loss) income		(11	)		—			840			548			(17	)		—			1,360
Equity in earnings of subsidiaries		661			725			382			—			441			(2,209	)		—
Interest expense, net		—			(48	)		(149	)		(6	)		—			—			(203	)
Loss on extinguishment of debt		—			(20	)		(116	)		—			—			—			(136	)
Other (expense) income, net		—			(32	)		(59	)		5			—			—			(86	)
Income from continuing operations before income taxes		650			625			898			547			424			(2,209	)		935
Benefit from (provision for) income taxes		3			37			(179	)		(153	)		4			—			(288	)
Income from continuing operations, net of taxes		653			662			719			394			428			(2,209	)		647
Income from discontinued operations, net of taxes		—			—			6			4			12			—			22
Net income		653			662			725			398			440			(2,209	)		669
Net income attributable to noncontrolling interests		—			—			—			(11	)		—			(5	)		(16	)
Net income attributable to Discovery Communications, Inc.		653			662			725			387			440			(2,214	)		653
Stock dividends to preferred interests		(1	)		—			—			—			—			—			(1	)
Net income available to Discovery Communications, Inc. stockholders	$	652		$	662		$	725		$	387		$	440		$	(2,214	)	$	652

CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS

For the Year Ended December 31, 2009

(in millions)

	Discovery Communications, Inc.			Discovery Communications Holding, LLC			Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non- Guarantor Subsidiaries of Discovery Communications, Inc.			Reclassifications and Eliminations			Discovery Communications, Inc. and Subsidiaries
Revenues	$	—		$	—		$	1,577		$	1,825		$	71		$	(15	)	$	3,458
Cost of revenues, excluding depreciation and amortization listed below		—			—			357			635			60			(8	)		1,044
Selling, general and administrative		8			—			377			799			11			(7	)		1,188
Depreciation and amortization		—			—			49			103			—			—			152
Restructuring and impairment charges		—			—			12			40			—			—			52
Gains on dispositions		—			—			(252	)		—			—			—			(252	)
Total costs and expenses		8			—			543			1,577			71			(15	)		2,184
Operating (loss) income		(8	)		—			1,034			248			—			—			1,274
Equity in earnings of subsidiaries		553			637			170			—			372			(1,732	)		—
Interest expense, net		—			(123	)		(121	)		(4	)		—			—			(248	)
Other (expense) income, net		—			(1	)		8			6			—			—			13
Income from continuing operations before income taxes		545			513			1,091			250			372			(1,732	)		1,039
Benefit from (provision for) income taxes		4			45			(454	)		(59	)		(5	)		—			(469	)
Income from continuing operations, net of taxes		549			558			637			191			367			(1,732	)		570
Loss from discontinued operations, net of taxes		—			—			—			(6	)		—			—			(6	)
Net income		549			558			637			185			367			(1,732	)		564
Net income attributable to noncontrolling interests		—			—			—			(11	)		—			(4	)		(15	)
Net income attributable to Discovery Communications, Inc.		549			558			637			174			367			(1,736	)		549
Stock dividends to preferred interests		(8	)		—			—			—			—			—			(8	)
Net income available to Discovery Communications, Inc. stockholders	$	541		$	558		$	637		$	174		$	367		$	(1,736	)	$	541

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

For the Year Ended December 31, 2011

(in millions)

	Discovery Communications, Inc.			Discovery Communications Holding, LLC			Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non-Guarantor Subsidiaries of Discovery Communications, Inc.			Eliminations			Discovery Communications, Inc. and Subsidiaries
Operating Activities
Cash provided (used in) by operating activities	$	68		$	(1	)	$	421		$	613		$	(1	)	$	—		$	1,100
Investing Activities
Purchases of property and equipment		—			—			(2	)		(55	)		(1	)		—			(58	)
Business acquisitions, net of cash acquired		—			—			—			(26	)		—			—			(26	)
Investment proceeds		—			—			—			21			—			—			21
Investments in and advances to equity investees		—			—			—			(151	)		—			—			(151	)
Cash used in investing activities		—			—			(2	)		(211	)		(1	)		—			(214	)
Financing Activities
Borrowings from long-term debt, net of discount and issuance costs		—			—			639			—			—			—			639
Principal repayments of capital leases obligations		—			—			(6	)		(14	)		—			—			(20	)
Repurchases of common and preferred stock		(997	)		—			—			—			—			—			(997	)
Cash distributions to noncontrolling interests		—			—			—			—			—			(7	)		(7	)
Proceeds from stock option exercises		60			—			—			—			—			—			60
Excess tax benefits from stock-based compensation		28			—			—			—			—			—			28
Inter-company contributions and other financing activities, net		841			1			(457	)		(391	)		(1	)		7			—
Cash (used in) provided by financing activities		(68	)		1			176			(405	)		(1	)		—			(297	)
Effect of exchange rate changes on cash and cash equivalents		—			—			—			(7	)		—			—			(7	)
Net change in cash and cash equivalents		—			—			595			(10	)		(3	)		—			582
Cash and cash equivalents, beginning of period		—			—			369			93			4			—			466
Cash and cash equivalents, end of period	$	—		$	—		$	964		$	83		$	1		$	—		$	1,048

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

For the Year Ended December 31, 2010

(in millions)

	Discovery Communications, Inc.			Discovery Communications Holding, LLC			Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non-Guarantor Subsidiaries of Discovery Communications, Inc.			Eliminations		Discovery Communications, Inc. and Subsidiaries
Operating Activities
Cash (used in) provided by operating activities	$	(137	)	$	(47	)	$	339		$	507		$	6		$	—	$	668
Investing Activities
Purchases of property and equipment		—			—			(11	)		(36	)		(2	)		—		(49	)
Business acquisitions, net of cash acquired		—			—			—			(38	)		—			—		(38	)
Proceeds from dispositions, net		—			—			13			11			—			—		24
Investments in and advances to equity investees		—			—			(114	)		(13	)		—			—		(127	)
Cash used in investing activities		—			—			(112	)		(76	)		(2	)		—		(190	)
Financing Activities
Borrowings from long-term debt, net of discount and issuance costs		—			—			2,970			—			—			—		2,970
Principal repayments of long-term debt		—			(1,948	)		(935	)		—			—			—		(2,883	)
Principal repayments of capital leases obligations		—			—			(5	)		(5	)		—			—		(10	)
Repurchases of common and preferred stock		(605	)		—			—			—			—			—		(605	)
Purchase of noncontrolling interests		—			—			—			(148	)		—			—		(148	)
Cash distributions to noncontrolling interests		—			—			(16	)		(15	)		—			—		(31	)
Proceeds from stock option exercises		47			—			—			—			—			—		47
Excess tax benefits from stock-based compensation		19			—			—			—			—			—		19
Inter-company contributions and other financing activities, net		676			1,995			(2,348	)		(320	)		(3	)		—		—
Cash provided by (used in) financing activities		137			47			(334	)		(488	)		(3	)		—		(641	)
Effect of exchange rate changes on cash and cash equivalents		—			—			—			6			—			—		6
Net change in cash and cash equivalents		—			—			(107	)		(51	)		1			—		(157	)
Cash and cash equivalents, beginning of period		—			—			476			144			3			—		623
Cash and cash equivalents, end of period	$	—		$	—		$	369		$	93		$	4		$	—	$	466

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

For the Year Ended December 31, 2009

(in millions)

	Discovery Communications, Inc.			Discovery Communications Holding, LLC			Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non- Guarantor Subsidiaries of Discovery Communications, Inc.			Eliminations		Discovery Communications, Inc. and Subsidiaries
Operating Activities
Cash provided by (used in) operating activities	$	31		$	(64	)	$	248		$	427		$	—		$	—	$	642
Investing Activities
Purchases of property and equipment		—			—			(23	)		(29	)		(3	)		—		(55	)
Proceeds from dispositions, net		—			—			300			—			—			—		300
Investment proceeds		—			—			22			2			—			—		24
Investments in and advances to equity investees		—			—			(30	)		(1	)		—			—		(31	)
Cash provided by (used in) investing activities		—			—			269			(28	)		(3	)		—		238
Financing Activities
Net repayments of revolver loans		—			—			(315	)		—			—			—		(315	)
Borrowings from long-term debt, net of discount and issuance costs		—			478			492			—			—			—		970
Principal repayments of long-term debt		—			(19	)		(993	)		—			—			—		(1,012	)
Principal repayments of capital leases obligations		—			—			(4	)		(10	)		—			—		(14	)
Cash distributions to noncontrolling interests		—			—			—			(13	)		—			—		(13	)
Proceeds from stock option exercises		28			—			—			—			—			—		28
Inter-company contributions and other financing activities, net		(59	)		(395	)		766			(315	)		3			—		—
Cash (used in) provided by financing activities		(31	)		64			(54	)		(338	)		3			—		(356	)
Effect of exchange rate changes on cash and cash equivalents		—			—			—			5			—			—		5
Net change in cash and cash equivalents		—			—			463			66			—			—		529
Cash and cash equivalents, beginning of period		—			—			13			78			3			—		94
Cash and cash equivalents, end of period	$	—		$	—		$	476		$	144		$	3		$	—	$	623

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Selected Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2011

Selected Quarterly Financial Information [Abstract]

Selected Quarterly Financial Data (Unaudited)

NOTE 22. SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

	Quarter Ended
	March 31,			June 30,			September 30,			December 31,
2011(1)(2)(3)(4)(5)
Revenues	$	951		$	1,067		$	1,095		$	1,122
Costs of revenues, excluding depreciation and amortization		273			288			342			330
Operating income		507			445			426			421
Income from continuing operations, net of taxes		305			254			238			337
Loss from discontinued operations, net of taxes		—			—			(1	)		—
Net income		305			254			237			337
Net income attributable to noncontrolling interests		—			—			—			(1	)
Net income available to Discovery Communications, Inc. stockholders	$	305		$	254		$	237		$	336
Income per share from continuing operations available to Discovery Communications, Inc. stockholders:
Basic	$	0.75		$	0.63		$	0.60		$	0.86
Diluted	$	0.74		$	0.62		$	0.59		$	0.86
Loss per share from discontinued operations available to Discovery Communications, Inc. stockholders:
Basic	$	—		$	—		$	—		$	—
Diluted	$	—		$	—		$	—		$	—
Net income per share available to Discovery Communications, Inc. stockholders:
Basic	$	0.75		$	0.63		$	0.60		$	0.86
Diluted	$	0.74		$	0.62		$	0.59		$	0.86
Weighted average shares outstanding:
Basic		409			406			398			391
Diluted		414			410			401			393
2010(1)(6)(7)(8)(9)(10)
Revenues	$	869		$	963		$	926		$	1,015
Costs of revenues, excluding depreciation and amortization		267			254			261			291
Operating income		282			372			312			394
Income from continuing operations, net of taxes		173			110			164			200
Income from discontinued operations, net of taxes		—			—			25			(3	)
Net income		173			110			189			197
Net income attributable to noncontrolling interests		(4	)		(3	)		(3	)		(6	)
Net income attributable to Discovery Communications, Inc.		169			107			186			191
Stock dividends to preferred interests		—			(1	)		—			—
Net income available to Discovery Communications, Inc. stockholders	$	169		$	106		$	186		$	191
Income per share from continuing operations available to Discovery Communications, Inc. stockholders:
Basic	$	0.40		$	0.25		$	0.38		$	0.46
Diluted	$	0.39		$	0.25		$	0.37		$	0.45
(Loss) income per share from discontinued operations available to Discovery Communications, Inc. stockholders:
Basic	$	—		$	—		$	0.06		$	(0.01	)
Diluted	$	—		$	—		$	0.06		$	(0.01	)
Net income per share available to Discovery Communications, Inc. stockholders:
Basic	$	0.40		$	0.25		$	0.44		$	0.45
Diluted	$	0.39		$	0.25		$	0.43		$	0.45
Weighted average shares outstanding:
Basic		425			426			426			422
Diluted		429			431			431			428

⁽¹⁾  Income per share amounts for the quarters and full years have each been calculated separately. Accordingly, income per share amounts for a particular quarter may not sum. Additionally, quarterly amounts may not add to the annual amounts because of differences in the average common shares outstanding during each period and, with regard to diluted per common share amounts only, because of the inclusion of the effect of potentially dilutive securities only in the periods in which such effect would have been dilutive.

⁽²⁾  The results of operations for the quarter ended March 31, 2011 include a pretax gain of $129 million related to the contribution of the domestic Discovery Health network to OWN LLC in connection with the launch of OWN on January 1, 2011. The gain resulted in $27 million of tax expense. (See Note 4.) Additionally, the Company incurred $1 million of restructuring charges and purchased 4.73 million shares of its Series C common stock.

⁽³⁾  The results of operations for the quarter ended June 30, 2011 include $4 million of restructuring charges. Additionally, the Company repurchased 5.64 million shares of its Series C common stock.

⁽⁴⁾  The results of operations for the quarter ended September 30, 2011 include $2 million of restructuring charges. Additionally the Company repurchased 9.79 million shares of its Series C common stock.

⁽⁵⁾  The results of operations for the quarter ended December 31, 2011 include a $112 million income tax benefit related to foreign tax credits and $3 million of exit and restructuring charges. Additionally, the Company repurchased 7.00 million shares of its Series C common stock.

⁽⁶⁾  The results of operations for the quarter ended March 31, 2010 include a $28 million reversal of foreign tax reserves, $4 million of losses on interest rate swaps, and $3 million of restructuring charges.

⁽⁷⁾  The results of operations for the quarter ended June 30, 2010 include a $136 million loss on extinguishment of debt and $23 million of losses on interest rate swaps.

⁽⁸⁾  The results of operations for the quarter ended September 30, 2010 include a $12 million reversal of a tax payable related to discontinued operations, an $11 million pretax noncash impairment charge related to goodwill, and $4 million of exit and restructuring charges. Additionally, the Company repurchased 1.12 million shares of its Series C common stock.

⁽⁹⁾  On September 1, 2010, the Company sold its Antenna Audio business for net cash proceeds of $24 million, which resulted in a $9 million gain, net of taxes. The operating results of Antenna Audio have been reported as discontinued operations for all periods. Certain quarterly financial data in the above table vary from the amounts previously reported on the Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2010 due to subsequent presentation of Antenna Audio as discontinued operations.

⁽¹⁰⁾  The results of operations for the quarter ended December 31, 2010 include $7 million of exit and restructuring charges. Additionally, the Company repurchased 1.87 million shares of its Series C common stock and 13.73 million shares of its Series C convertible preferred stock.

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Reportable Segments (Schedule Of Revenues By Segment) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2010		Sep. 30, 2010		Jun. 30, 2010		Mar. 31, 2010		Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Segment Reporting Information [Line Items]
Total revenues	$ 1,122	[1],[2],[3],[4],[5]	$ 1,095	[1],[2],[3],[4],[5]	$ 1,067	[1],[2],[3],[4],[5]	$ 951	[1],[2],[3],[4],[5]	$ 1,015	[1],[10],[6],[7],[8],[9]	$ 926	[1],[10],[6],[7],[8],[9]	$ 963	[1],[10],[6],[7],[8],[9]	$ 869	[1],[10],[6],[7],[8],[9]	$ 4,235	$ 3,773	$ 3,458
U.S. Networks [Member]
Segment Reporting Information [Line Items]
Revenues by Segment																	2,619	2,363	2,170
International Networks [Member]
Segment Reporting Information [Line Items]
Revenues by Segment																	1,455	1,251	1,131
Education And Other [Member]
Segment Reporting Information [Line Items]
Revenues by Segment																	162	153	148
Corporate And Inter-Segment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues by Segment																	$ (1)	$ 6	$ 9

[1] Income per share amounts for the quarters and full years have each been calculated separately. Accordingly, income per share amounts for a particular quarter may not sum. Additionally, quarterly amounts may not add to the annual amounts because of differences in the average common shares outstanding during each period and, with regard to diluted per common share amounts only, because of the inclusion of the effect of potentially dilutive securities only in the periods in which such effect would have been dilutive.

[2] The results of operations for the quarter ended March 31, 2011 include a pretax gain of $129 million related to the contribution of the domestic Discovery Health network to OWN LLC in connection with the launch of OWN on January 1, 2011. The gain resulted in $27 million of tax expense. (See Note 4.) Additionally, the Company incurred $1 million of restructuring charges and purchased 4.73 million shares of its Series C common stock.

[3] The results of operations for the quarter ended June 30, 2011 include $4 million of restructuring charges. Additionally, the Company repurchased 5.64 million shares of its Series C common stock.

[4] The results of operations for the quarter ended September 30, 2011 include $2 million of restructuring charges. Additionally the Company repurchased 9.79 million shares of its Series C common stock.

[5] The results of operations for the quarter ended December 31, 2011 include a $112 million income tax benefit related to foreign tax credits and $3 million of exit and restructuring charges. Additionally, the Company repurchased 7.00 million shares of its Series C common stock.

[6] The results of operations for the quarter ended March 31, 2010 include a $28 million reversal of foreign tax reserves, $4 million of losses on interest rate swaps, and $3 million of restructuring charges.

[7] The results of operations for the quarter ended June 30, 2010 include a $136 million loss on extinguishment of debt and $23 million of losses on interest rate swaps.

[8] The results of operations for the quarter ended September 30, 2010 include a $12 million reversal of a tax payable related to discontinued operations, an $11 million pretax noncash impairment charge related to goodwill, and $4 million of exit and restructuring charges. Additionally, the Company repurchased 1.12 million shares of its Series C common stock.

[9] On September 1, 2010, the Company sold its Antenna Audio business for net cash proceeds of $24 million, which resulted in a $9 million gain, net of taxes. The operating results of Antenna Audio have been reported as discontinued operations for all periods. Certain quarterly financial data in the above table vary from the amounts previously reported on the Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2010 due to subsequent presentation of Antenna Audio as discontinued operations.

[10] The results of operations for the quarter ended December 31, 2010 include $7 million of exit and restructuring charges. Additionally, the Company repurchased 1.87 million shares of its Series C common stock and 13.73 million shares of its Series C convertible preferred stock.

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Fair Value Measurements (Narrative) (Details) (USD $)	12 Months Ended		12 Months Ended
	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2011 Maximum [Member]
Available-for-sale securities maturity period, days			90
Long-term debt, fair value	$ 3,700,000,000	$ 4,600,000,000
Purchases	$ 49,000,000

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Net Income Per Share Available To Discovery Communications, Inc. Stockholders (Tables)

12 Months Ended

Dec. 31, 2011

Net Income Per Share Available To Discovery Communications, Inc. Stockholders [Abstract]

Weighted Average Number Of Shares Outstanding

	Year Ended December 31,
	2011			2010			2009
Numerator:
Income from continuing operations, net of taxes	$	1,134		$	647		$	570
Less:
Net income attributable to noncontrolling interests		(1	)		(16	)		(15	)
Stock dividends to preferred interests		—			(1	)		(8	)
Income from continuing operations available to Discovery Communications, Inc. stockholders		1,133			630			547
(Loss) income from discontinued operations available to Discovery Communications, Inc. stockholders		(1	)		22			(6	)
Net income available to Discovery Communications, Inc. stockholders – basic and diluted	$	1,132		$	652		$	541
Denominator:
Weighted average shares outstanding – basic		401			425			423
Dilutive effect of equity awards		4			4			2
Weighted average shares outstanding – diluted		405			429			425
Income (Loss) Per Share:
Income per share from continuing operations available to Discovery Communications, Inc. stockholders:
Basic	$	2.82		$	1.48		$	1.29
Diluted	$	2.80		$	1.47		$	1.29
(Loss) income per share from discontinued operations available to Discovery Communications, Inc. stockholders:
Basic	$	—		$	0.05		$	(0.01	)
Diluted	$	—		$	0.05		$	(0.01	)
Net income per share available to Discovery Communications, Inc. stockholders:
Basic	$	2.82		$	1.53		$	1.28
Diluted	$	2.80		$	1.52		$	1.27

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Description Of Business And Basis Of Presentation (Policy)

12 Months Ended

Dec. 31, 2011

Description Of Business And Basis Of Presentation [Abstract]

Reclassifications

Reclassifications

Certain reclassifications have been made to the 2010 and 2009 amounts to conform to the 2011 financial information presentation. These reclassifications primarily result from the expansion of the types of revenue included in distribution revenue in the consolidated statements of operations for the year ended December 31, 2011. Distribution revenues now include fees charged for the right to view the Company's network branded content made available to customers through a variety of distribution platforms and viewing devices. The largest component of distribution revenue continues to be fees charged to cable, direct-to-home ("DTH") satellite and telecommunications service providers for distribution rights to Discovery's television networks. Distribution revenues also include fees charged for certain licensing arrangements, including those for digital streaming of library content, which totaled $109 million for the year ended December 31, 2011. These fees, which totaled $25 million and $21 million for the years ended December 31, 2010 and 2009, were previously classified as other revenue and have been reclassified to distribution revenue to conform to the current presentation.

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Summary Of Significant Accounting Policies (Policy)

12 Months Ended

Dec. 31, 2011

Summary Of Significant Accounting Policies [Abstract]

Accounting And Reporting Pronouncements Adopted

Accounting and Reporting Pronouncements Adopted

Testing for Goodwill Impairment

In September 2011, the Financial Accounting Standards Board ("FASB") issued guidance which is intended to reduce the cost and complexity of the annual goodwill impairment test by providing entities an option to perform a qualitative assessment to determine whether the quantitative two-step annual goodwill impairment test is necessary. If an entity believes as a result of its qualitative assessment that it is more likely than not that the fair value of a reporting unit is greater than its carrying amount, the quantitative impairment test is not required. The Company adopted the new guidance effective October 1, 2011 and applied it to the Company's November 30, 2011 annual impairment test. Based on the Company's qualitative assessment, the Company did not perform the quantitative impairment test for any reporting units except Commerce, a component of the U.S. Networks segment. Based on changes in the long-term projections for the Commerce reporting unit, the Company performed Step 1 of the quantitative goodwill impairment test. (See Note 9.)

A Creditor's Determination of Whether a Restructuring Is a Troubled Debt Restructuring

In April 2011, the FASB issued new accounting guidance related to identifying and disclosing troubled debt restructurings ("TDRs"). This guidance provides clarification in assessing whether a creditor has granted a concession and whether a debtor is experiencing financial difficulties for the purpose of determining whether a restructuring constitutes a TDR. The Company adopted this new guidance effective July 1, 2011. The adoption of the new guidance did not impact the Company's consolidated financial statements.

Fair Value Measurements

In January 2010, the FASB issued guidance that requires additional disclosures about recurring and nonrecurring fair value measurements, including significant transfers into and out of Level 1 and Level 2 of the fair value measurement hierarchy, and separately presenting information regarding purchases, sales, issuances, and settlements in the reconciliation of Level 3 fair value measurements. The Company prospectively adopted the new guidance effective January 1, 2010, except for Level 3 reconciliation disclosures, which was effective for the Company on January 1, 2011. The adoption of the new guidance did not impact the Company's consolidated financial statements.

Revenue Recognition for Multiple-Element Revenue Arrangements

In October 2009, the FASB issued guidance that changed the determination of when the individual deliverables included in a multiple-element revenue arrangement may be treated as separate units of accounting, modified the manner in which the arrangement consideration is allocated across the separately identified deliverables, and expanded the disclosures required for multiple-element revenue arrangements. Under the new guidance, the Company must allocate the arrangement consideration to each deliverable based on management's estimate of the price at which each element would be separately sold, if vendor specific information or third party evidence of selling price is not available. The Company prospectively adopted the new guidance effective January 1, 2011. The adoption of the new guidance did not impact the Company's consolidated financial statements.

Variable Interest Entities

In June 2009, the FASB amended the guidance for interests in VIEs. Among other matters, the guidance amended the approach for determining the primary beneficiary of a VIE by requiring an analysis that places more reliance on qualitative rather than quantitative factors, continuous assessments of whether an entity is the primary beneficiary of a VIE and enhanced disclosures about an entity's involvement with a VIE. Effective January 1, 2010, the Company retrospectively adopted the new guidance, which resulted in the Company deconsolidating The Oprah Winfrey Network ("OWN") and Animal Planet Japan ("APJ") ventures and using the equity method to account for its interests in them.

Accounting And Reporting Pronouncements Not Yet Adopted

Accounting and Reporting Pronouncements Not Yet Adopted

Fair Value Measurements

In May 2011, the FASB and the International Accounting Standards Board ("IASB") issued guidance which results in a consistent definition between U.S. Generally Accepted Accounting Principles ("GAAP") and International Financial Reporting Standards ("IFRS") of fair value and common requirements for measurement of and disclosure about fair value. There are several changes under the new guidance. The highest and best use valuation concepts are only relevant when measuring the fair value of nonfinancial assets. The prohibition of the application of a blockage factor extends to all financial measurements. The Company must disclose quantitative information about unobservable inputs used to assess fair value and provide a qualitative discussion about the sensitivity of the measurements for recurring Level 3 fair value measurements. The Company will prospectively adopt the new guidance effective January 1, 2012. The Company does not expect that the adoption of this update will have a material impact on its financial statements.

Comprehensive Income

In June 2011, the FASB issued guidance eliminating the current option to report other comprehensive income and its components in the statement of changes in equity. Entities may elect to present items of net income and other comprehensive income in one continuous statement or in two separate, but consecutive, statements. Under the new guidance, each component of net income and each component of other comprehensive income, together with totals for comprehensive income and its two parts, net income and other comprehensive income, are required to be disclosed under either alternative. The guidance is effective January 1, 2012, but early adoption is permitted. The Company does not expect that the adoption of this update will have a material impact on its financial statements.

Use Of Estimates

Use of Estimates

The preparation of financial statements in accordance with GAAP requires management to make estimates, judgments and assumptions that affect the amounts and disclosures reported in the consolidated financial statements and accompanying notes. Management continually re-evaluates its estimates, judgments and assumptions and management's assessments could change. Actual results may differ from those estimates and could have a material impact on the consolidated financial statements.

Significant estimates inherent in the preparation of the consolidated financial statements include accounting for asset impairments, revenue recognition, allowances for doubtful accounts, content rights, depreciation and amortization, business combinations, stock-based compensation, income taxes, contingencies and the determination of whether the Company is the primary beneficiary of entities in which it holds variable interests.

Consolidation

Consolidation

The Company has ownership and other interests in various entities, including corporations, partnerships, and limited liability companies. For each such entity, the Company evaluates its ownership and other interests to determine whether it should consolidate the entity or account for its ownership interest as an investment. As part of its evaluation, the Company initially determines whether the entity is a VIE and, if so, whether it is the primary beneficiary of the VIE. An entity is generally a VIE if it meets any of the following criteria (i) the entity has insufficient equity to finance its activities without additional subordinated financial support from other parties, (ii) the equity investors cannot make significant decisions about the entity's operations, or (iii) the voting rights of some investors are not proportional to their obligations to absorb the expected losses of the entity or receive the expected returns of the entity and substantially all of the entity's activities involve or are conducted on behalf of the investor with disproportionately few voting rights. The Company consolidates VIEs for which it is the primary beneficiary, regardless of its ownership or voting interests. The primary beneficiary is the party involved with the VIE that (i) has the power to direct the activities of the VIE that most significantly impact the VIE's economic performance, and (ii) has the obligation to absorb losses of the VIE that could potentially be significant to the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE. However, the amount of expected losses, expected residual returns, and expected variability is not the sole determinant as to whether the Company has these obligations or rights. The Company periodically makes judgments in determining whether entities in which it invests are VIEs. If so, the Company determines whether it is required to consolidate the entity.

If it is concluded that an entity is not a VIE, then the Company considers its proportional voting interests in the entity. The Company consolidates majority-owned subsidiaries in which a controlling interest is maintained. Controlling interest is determined by majority ownership and the absence of significant third-party participating rights.

Ownership interests in entities for which the Company has significant influence and are not consolidated under the Company's consolidation policy are accounted for as equity method investments. Related party transactions between the Company and its equity method investees have not been eliminated.

Investments

Investments

The Company has held investments in equity method investees and other marketable securities such as mutual funds and U.S. Treasury securities.

Investments in equity method investees are those for which the Company has the ability to exercise significant influence but does not control and is not the primary beneficiary. Significant influence typically exists if the Company has a 20% to 50% ownership interest in the venture. Under this method of accounting, the Company records its proportionate share of the net earnings or losses of equity method investees and a corresponding increase or decrease to the investment balances. Cash payments to equity method investees such as additional investments, loans and advances and expenses incurred on behalf of investees, as well as payments from equity method investees such as dividends, distributions and repayments of loans and advances are recorded as adjustments to investment balances. The Company evaluates its equity method investments for impairment whenever events or changes in circumstances indicate that the carrying amounts of such investments may not be recoverable. (See Asset Impairment Analysis below.)

Investments in entities over which the Company has no control or significant influence and is not the primary beneficiary and investments in other securities are accounted for at fair value or cost. Investments in securities with readily determinable fair values are accounted for at fair value, based on quoted market prices, and classified as either trading securities or available-for-sale securities. For investments classified as trading securities, which include securities held in a separate trust in connection with the Company's deferred compensation plan, unrealized and realized gains and losses related to the investment and corresponding liability are recorded in earnings. For investments classified as available-for-sale securities, which include investments in mutual funds, unrealized gains and losses are recorded net of income taxes in other comprehensive income (loss) until the security is sold or considered impaired. If declines in the value of available-for-sale securities are determined to be other than temporary, a loss is recorded in earnings in the current period. Impairments are determined based on, among other factors, the length of time the fair value of the investment has been less than the carrying value, future business prospects for the investee, and information regarding market and industry trends for the investee's business, if available. For purposes of computing realized gains and losses, the Company determines cost on a specific identification basis.

Foreign Currency

Foreign Currency

The functional currency of most of the Company's international subsidiaries is the local currency. Assets and liabilities denominated in foreign currencies are translated at exchange rates in effect at the balance sheet date. Foreign currency equity balances are translated at historical rates. Revenues and expenses denominated in foreign currencies are translated at average exchange rates for the respective periods. Foreign currency translation adjustments are recorded in other comprehensive income (loss). Foreign currency transaction gains and losses are included in operating income and total a loss of $12 million, a gain of $8 million, and zero for 2011, 2010, and 2009, respectively.

Discontinued Operations

Discontinued Operations

In determining whether a group of assets disposed of should be presented as a discontinued operation, the Company initially makes a determination as to whether the group of assets comprises a component of the entity, which requires clearly distinguishable cash flows from the rest of the entity. The Company also determines whether the cash flows associated with the component have been or will be significantly eliminated from the ongoing operations of the Company as a result of the disposal transaction and whether the Company will have significant continuing involvement in the operations of the component subsequent to the disposal transaction. If the Company determines the criteria have been achieved, the results of operations of the component being disposed of, as well as any gain or loss on the disposal transaction are aggregated for separate presentation apart from continuing operating results of the Company in the consolidated financial statements.

Cash And Cash Equivalents

Cash and Cash Equivalents

Cash and cash equivalents include cash on hand and highly liquid investments with original maturities of ninety days or less.

Accounts Receivable

Accounts Receivable

Accounts receivable include amounts billed and currently due from customers and are presented net of an estimate for accounts that may not be collected. The Company evaluates outstanding receivables to determine whether they will ultimately be fully collected. In performing this evaluation, the Company analyzes market trends, economic conditions, the aging of receivables, and customer specific risks. Using this information, the Company reserves an amount that it estimates may not be collected. The Company does not require collateral with respect to trade receivables.

Content Rights

Content Rights

Content rights principally consist of television series and television specials. Content aired on the Company's television networks is primarily obtained through third-party production companies and is classified either as produced, coproduced or licensed. Substantially all produced content includes programming for which the Company has engaged third parties to develop and produce, and it owns most or all rights. Coproduced content refers to programs for which the Company collaborates with third parties to finance and develop, and it retains significant rights to exploit the programs. Licensed content is comprised of films or series that have been previously produced by third parties and the Company retains limited airing rights over a contractual term. Capitalized content costs are stated at the lower of cost less accumulated amortization or net realizable value.

Costs of produced and coproduced content consist of development costs, acquired production costs, direct production costs, certain production overhead costs and participation costs. Costs incurred for produced and coproduced content are capitalized if the Company has previously generated revenues from similar content in established markets and the content will be used and revenues will be generated for a period of at least one year. The Company's coproduction arrangements generally provide for the sharing of production cost. The Company records its costs, but does not record the costs borne by the other party as the Company does not share any associated economics of exploitation. Program licenses typically have fixed terms and require payments during the term of the license. The cost of licensed content is capitalized when the programs are delivered or the Company has paid for the programs. Development costs for programs that the Company has determined will not be produced are written off. Additionally, distribution, advertising, marketing, general and administrative costs are expensed as incurred.

Amortization of content rights is recognized based on the proportion that current estimated revenues bear to the estimated remaining total lifetime revenues, which results in either an accelerated method or a straight-line method over the estimated useful lives of up to five years. Amortization of capitalized costs for produced and coproduced content begins when a program has been aired. Amortization of capitalized costs for licensed content commences when the license period begins and the program is available for use.

The Company periodically evaluates the net realizable value of content by considering expected future revenue generation. Estimates of future revenues consider historical airing patterns and future plans for airing content, including any changes in strategy. Estimated future revenues may differ from actual revenues based on changes in expectations related to market acceptance, network affiliate fee rates, advertising demand, the number of cable and satellite television subscribers receiving the Company's networks, and program usage. Accordingly, the Company continually reviews revenue estimates and planned usage and revises its assumptions if necessary. Given the significant estimates and judgments involved, actual demand or market conditions may be less favorable than those projected, requiring a write-down to net realizable value.

All produced and coproduced content is classified as long-term. The portion of the unamortized licensed content balance that will be amortized within one year is classified as a current asset.

Property And Equipment

Property and Equipment

Property and equipment are stated at cost less accumulated depreciation and impairments. The cost of property and equipment acquired under capital lease arrangements represents the lesser of the present value of the minimum lease payments or the fair value of the leased asset as of the inception of the lease. Substantially all capitalized software costs are for internal use. Capitalization of software costs occurs during the application development stage. Software costs incurred during the preliminary project and post implementation stages are expensed as incurred. Repairs and maintenance expenditures that do not enhance the use or extend the life of property and equipment are expensed as incurred.

Depreciation for most property and equipment is recognized using the straight-line method over the estimated useful lives of the assets, which is 15 to 39 years for buildings, three to five years for broadcast equipment, two to five years for capitalized software costs and three to five years for office equipment, furniture, fixtures and other property and equipment. Assets acquired under capital lease arrangements and leasehold improvements are amortized using the straight-line method over the lesser of the estimated useful lives of the assets or the terms of the related leases, which is three to 12 years. Depreciation commences when property or equipment is ready for its intended use.

Goodwill And Indefinite-Lived Intangible Assets

Goodwill and Indefinite-lived Intangible Assets

Goodwill is allocated to various reporting units, which are generally an operating segment or one reporting level below the operating segment. The Company evaluates goodwill and other indefinite-lived intangible assets for impairment annually as of November 30 and earlier upon the occurrence of certain events or substantive changes in circumstances such as: a significant deterioration in economic conditions, industry changes, increases in costs, declining cash flows, or a decline in market capitalization. If the Company believes that as a result of its qualitative assessment it is more likely than not that the fair value of a reporting unit is greater than its carrying amount, the quantitative impairment test is not required. Following a qualitative assessment indicating that it is not more likely than not that the fair value of the reporting unit exceeds its carrying amount, goodwill impairment is determined using a two-step quantitative process. The first step of the process is to compare the fair value of a reporting unit with its carrying amount, including goodwill. In performing the first step, the Company determines the fair value of a reporting unit by using a combination of a discounted cash flow ("DCF") analysis and may also use market-based valuation methodologies. Determining fair value requires the exercise of significant judgment, including judgments about appropriate discount rates, perpetual growth rates, relevant comparable company earnings multiples and the amount and timing of expected future cash flows. The cash flows employed in the DCF analyses are based on the Company's budget, long-term business plan, and recent operating performance. Discount rate assumptions are based on an assessment of the risk inherent in future cash flows of the respective reporting unit. In assessing the reasonableness of its determined fair values, the Company may also evaluate its results against other value indicators such as comparable company public trading values, research analyst estimates and values observed in market transactions. If the fair value of a reporting unit exceeds its carrying amount, goodwill of the reporting unit is not impaired and the second step of the quantitative impairment test is not necessary. If the carrying amount of a reporting unit exceeds its fair value, the second step of the quantitative goodwill impairment test is required to be performed to measure the amount of impairment loss, if any. The second step of the quantitative goodwill impairment test compares the implied fair value of the reporting unit's goodwill with the carrying amount of that goodwill. The implied fair value of goodwill is determined in the same manner as the amount of goodwill recognized in a business combination. In other words, the estimated fair value of the reporting unit's identifiable net assets excluding goodwill are compared to the fair value of the reporting unit as if the reporting unit had been acquired in a business combination and the fair value of the reporting unit was the purchase price paid. If the carrying amount of the reporting unit's goodwill exceeds the implied fair value of that goodwill, an impairment loss is recognized in an amount equal to that excess.

The impairment test for other intangible assets not subject to amortization involves a comparison of the estimated fair value of the intangible asset with its carrying value. If the carrying value of the intangible asset exceeds its fair value, an impairment loss is recognized in an amount equal to that excess. The estimates of fair value of intangible assets not subject to amortization are determined using a DCF valuation analysis, a market-based valuation analysis, or both.

Determining fair value requires the exercise of significant judgment, including judgments about appropriate discount rates, perpetual growth rates, relevant comparable company earnings multiples when available and the amount and timing of expected future cash flows.

Long-lived Assets

Long-lived Assets

Long-lived assets such as amortizing trademarks, customer lists, other intangible assets, and property and equipment are not required to be tested for impairment annually. Instead, long-lived assets are tested for impairment whenever events or circumstances indicate that the carrying amount of the asset may not be recoverable. Such events include, but are not limited to, the likely disposal of a portion of such assets or the occurrence of an adverse change in the market involving the business employing the related assets. If an impairment analysis is required, the impairment test employed is based on whether the Company's intent is to hold the asset for continued use or to hold the asset for sale. If the intent is to hold the asset for continued use, the impairment test first requires a comparison of undiscounted future cash flows to the carrying value of the asset. If the carrying value of the asset exceeds the undiscounted cash flows, the asset would not be deemed to be recoverable. Impairment would then be measured as the excess of fair value over the asset's carrying value. Fair value is typically determined by discounting the future cash flows associated with that asset. If the intent is to hold the asset for sale and certain other criteria are met, the impairment test involves comparing the asset's carrying value to its fair value less costs to sell. To the extent the carrying value is greater than the asset's fair value less costs to sell, an impairment loss is recognized in an amount equal to the difference. Significant judgments in this area involve determining whether events or circumstances indicate that the carrying amount of the asset may not be recoverable, determining the future cash flows for the assets involved and determining the proper discount rate to be applied in determining fair value.

Equity Method Investments

Equity Method Investments

Equity method investments are reviewed for impairment on a quarterly basis by comparing their fair value to their respective carrying amounts. The Company may estimate the fair value of its equity method investments by considering recent investee equity transactions, discounted cash flow analyses, recent operating results, comparable public company operating cash flow multiples and in certain situations, balance sheet liquidation values. If the fair value of the investment has dropped below the carrying amount, management considers several factors when determining whether an other-than temporary decline has occurred. These factors include the length of the time and the extent to which the estimated fair value or market value has been below the carrying value, the financial condition and the near-term prospects of the investee, the intent and ability of the Company to retain its investment in the investee for a period of time sufficient to allow for any anticipated recovery in market value, and other factors influencing the fair market value, such as general market conditions. The estimation of fair value and whether an other-than temporary impairment has occurred requires the application of significant judgment and future results may vary from current assumptions. (See Note 4.)

Derivative Instruments

Derivative Instruments

The Company uses derivative financial instruments from time to time to modify its exposure to market risks from changes in interest rates and foreign exchange rates. The Company may designate derivative instruments as cash flow hedges or fair value hedges, as appropriate. The Company records all derivative instruments at fair value on a gross basis. For those derivative instruments designated as cash flow hedges that qualify for hedge accounting, gains or losses on the effective portion of derivative instruments are initially recorded in accumulated other comprehensive loss on the consolidated balance sheets and reclassified to the same account on the consolidated statements of operations in which the hedged item is recognized. The Company may also enter into derivative instruments that are not designated as hedges and do not qualify for hedge accounting. These contracts are intended to mitigate economic exposures of the Company. The changes in fair value of derivatives not designated as hedges and the ineffective portion of derivatives designated as hedging instruments are immediately recorded in other (expense) income, net. As of December 31, 2011, the Company held no derivative instruments.

Treasury Stock

Treasury Stock

When stock is retired or purchased for constructive retirement, the purchase price is initially recorded as a reduction to the par value of the shares repurchased, with any excess purchase price over par value recorded as a reduction to additional paid-in capital related to the series of shares repurchased and any remainder excess purchase price recorded as a reduction to retained earnings. If the purchase price exceeds the amounts allocated to par value and additional paid-in capital related to the series of shares repurchased and retained earnings, the remainder is allocated to additional paid-in capital.

When stock is acquired for purposes other than formal or constructive retirement, the purchase price of the acquired stock is recorded in a separate treasury stock account which is separately reported as a reduction of equity.

Revenue Recognition

Revenue Recognition

The Company generates revenues principally from (i) fees charged to distributors of its network content, which include cable and DTH satellite service providers and digital distributors, (ii) advertising sold on its television networks, and (iii) transactions for curriculum-based products and services, affiliate and advertising sales representation services, postproduction audio services, and the licensing of its brands for consumer products.

Revenue is recognized when persuasive evidence of a sales arrangement exists, delivery occurs or services are rendered, the sales price is fixed or determinable and collectability is reasonably assured. Revenues do not include taxes collected from customers on behalf of taxing authorities such as sales tax and value added tax. However, certain revenues include taxes that customers pay to taxing authorities on the Company's behalf, such as foreign withholding income tax. Revenue recognition for each source of revenue is also based on the following policies.

Distribution

Cable operators, DTH satellite service providers and other distributors typically pay a per-subscriber fee for the right to distribute the Company's programming under the terms of distribution contracts. The majority of the Company's distribution fees are collected monthly throughout the year. Distribution revenues to cable operators and DTH service providers are recognized over the term of the contracts, including any free periods, based on contracted programming rates and reported subscriber levels. The amount of distribution revenues due to the Company is reported by distributors based on actual subscriber levels. Such information is generally not received until after the close of the reporting period. In such cases, reported distribution revenues are based upon the Company's estimates of the number of subscribers receiving the Company's programming for periods which the distributor has not yet reported. The Company's subscriber estimates are based on the most recent remittance or confirmation of subscribers received from the distributor. The Company subsequently adjusts its estimated amounts based upon the actual amount of subscribers. Historical adjustments to recorded estimates have not been material.

Distribution revenues are recognized net of incentives the Company provides to operators in exchange for carrying its networks. Incentives typically include cash payments to operators ("launch incentives"), providing the channel to the distributor for free for a predetermined length of time, or both. Launch incentives are capitalized as assets upon launch of the Company's network by the operator and are amortized on a straight-line basis as a reduction of revenue over the term of the contract, including free periods. In instances where the distribution agreement is extended prior to the expiration of the original term, the Company evaluates the economics of the extended term and, if it is determined that the launch asset continues to benefit the Company over the extended term, then the Company will adjust the amortization period of the remaining launch incentives accordingly. Other incentives are recognized as a reduction of revenue as incurred. Amortization of launch incentives was $52 million, $42 million, and $55 million for 2011, 2010, and 2009, respectively.

Revenues associated with digital distribution arrangements are recognized when the Company transfers control of the content and the rights to distribute the content to the customer. If multiple programs are included in the arrangement, the Company allocates the fee to each program based on its relative fair value.

Advertising

Advertising revenues are principally generated from the sale of commercial time on television networks. Advertising revenues are recognized net of agency commissions in the period advertising spots are aired. A substantial portion of the advertising contracts in the U.S. guarantee the advertiser a minimum audience level that either the program in which their advertisements are aired or the advertisement will reach. Revenues are recognized for the actual audience level delivered. The Company provides the advertiser with additional advertising spots in future periods if the guaranteed audience level is not delivered. Revenues are deferred for any shortfall in the guaranteed audience level until the guaranteed audience level is delivered or the rights associated with the guarantee lapse. Audience guarantees are initially developed internally based on planned programming, historical audience levels, the success of pilot programs, and market trends. In the U.S., actual audience and delivery information is published by independent ratings services. In certain instances, the independent ratings information is not received until after the close of the reporting period. In these cases, reported advertising revenue and related deferred revenue is based upon the Company's estimates of the audience level delivered using the most current data available. The Company subsequently adjusts its estimated amounts based upon the actual audience delivered and verified through an independent ratings service. Historical adjustments to recorded estimates have not been material.

Advertising revenues from online properties are recognized either as impressions are delivered or the services are performed.

Other

Revenues for curriculum-based services are recognized ratably over the contract term. Revenues from postproduction audio services are recognized as services are completed. Royalties from brand licensing arrangements are earned as products are sold by the licensee.

Deferred Revenues

Deferred Revenues

Deferred revenues primarily consist of cash received for television advertising for which the advertising spots have not yet aired and advanced billings to subscribers for access to the Company's curriculum-based streaming services. The amounts classified as current are expected to be earned within the next year.

Stock-Based Compensation Expense

Stock-Based Compensation Expense

The Company has incentive plans under which unit awards, stock appreciation rights ("SARs"), stock options, performance based restricted stock units ("PRSUs") and service based restricted stock units ("RSUs") are issued.

The Company measures the cost of employee services received in exchange for unit awards and SARs based on the fair value of the award less estimated forfeitures. Because unit awards and SARs are cash-settled, the Company remeasures the fair value of these awards each reporting period until settlement. Compensation expense, including changes in fair value, for unit awards and SARs is recognized during the vesting period in proportion to the requisite service that has been rendered as of the reporting date. For grants of unit awards with graded vesting, the Company measures fair value and records compensation expense for all vesting tranches as a single award. For grants of SARs with graded vesting, the Company measures fair value and records compensation expense separately for each vesting tranche. Changes in the fair value of outstanding unit awards and SARs that occur between the vesting date and settlement date are recorded as adjustments to compensation costs in the period in which the changes occur. The Company measures the cost of employee services received in exchange for stock options based on the fair value of the award on the date of grant less estimated forfeitures. Compensation expense for stock options is recognized ratably during the vesting period.

The fair values of unit awards, SARs and stock options are estimated using the Black-Scholes option-pricing model. Because the Black-Scholes option-pricing model requires the use of subjective assumptions, changes in these assumptions can materially affect the fair value of awards. For unit awards and SARs, the expected term is the period from the grant date to the vesting date of the award. For stock options, the expected term is estimated to be the period from the date of grant through the mid-point between the vesting date and the end of the contractual term of the award. Expected volatility is based on a combination of implied volatilities from traded options on the Company's common stock and historical realized volatility of the Company's common stock, and considers other factors deemed relevant. The dividend yield is assumed to be 0% because the Company has no present intention to pay dividends. The risk-free interest rate is based on U.S. Treasury zero-coupon issues with a remaining term equal to the expected term of the award.

Vesting for certain PRSUs is subject to satisfying objective operating performance conditions while vesting for other PRSUs is based on the achievement of a combination of objective and subjective operating performance conditions. Compensation expense for PRSUs that vest based on achieving objective operating performance conditions is measured based on the fair value of the Company's Series A common stock on the date of grant less estimated forfeitures. Compensation expense for PRSUs that vest based on achieving subjective operating performance conditions is remeasured at fair value of the Company's Series A common stock less estimated forfeitures each reporting period until the date of vesting. Compensation expense for all PRSUs is recognized ratably during the vesting period only when it is probable that the operating performance conditions will be achieved. The Company records a cumulative adjustment to compensation expense for PRSUs if there is a change in the determination of whether or not it is probable the operating performance conditions will be achieved.

The Company measures the cost of employee services received in exchange for RSUs based on the fair value of the Company's Series A common stock on the date of grant less estimated forfeitures. Compensation expense for RSUs is recognized ratably during the vesting period.

When recording compensation cost for stock-based awards, the Company is required to estimate the number of awards granted that are expected to be forfeited. In estimating forfeitures, the Company considers historical and expected forfeiture rates and anticipated events. On an ongoing basis, the Company adjusts compensation expense based on actual forfeitures and revises the forfeiture rate as necessary.

On May 17, 2011, the Company's stockholders approved the Discovery Communications, Inc. 2011 Employee Stock Purchase Plan (the "DESPP"), which enables eligible employees to purchase shares of the Company's common stock through payroll deductions or other permitted means. The Company recognizes the fair value of the discount associated with shares purchased under the plan as stock-based compensation expense. The initial offering period for the DESPP began on November 16, 2011 and ended on February 14, 2012.

Stock-based compensation expense is recorded as a component of selling, general and administrative expense. The Company classifies as a current liability the intrinsic value of unit awards and SARs that are vested or will become vested within one year.

Excess tax benefits realized from the exercise of stock options and vested RSUs, PRSUs and the DESPP are reported as cash inflows from financing activities rather than as a reduction of taxes paid in cash flows from operating activities on the consolidated statements of cash flows.

Advertising Costs

Advertising Costs

Advertising costs are expensed as incurred. Advertising costs paid to third parties totaled $132 million, $135 million, and $103 million for 2011, 2010 and 2009, respectively.

Income Taxes

Income Taxes

Income taxes are recorded using the asset and liability method of accounting for income taxes. Deferred income taxes reflect the net tax effect of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Deferred taxes are measured using rates we expect to apply to taxable income in years in which those temporary differences are expected to reverse. A valuation allowance is provided for deferred tax assets if it is more likely than not such assets will be unrealized.

The Company reports a liability for unrecognized income tax benefits resulting from uncertain tax positions taken or expected to be taken on a tax return. The Company's policy is to classify tax interest and penalties related to tax reserves and unrecognized tax benefits as tax expense. The liability for these items is included in other current and noncurrent liabilities on the consolidated balance sheets as appropriate.

Concentrations Risk

Concentrations Risk

Customers

The Company has long-term contracts with distributors around the world, including the largest operators in the U.S. and major international distributors. In the U.S., approximately 90% of distribution revenues come from the top 10 distributors. Outside of the U.S., less than 50% of distribution revenue comes from the top 10 distributors. Agreements in place with the major cable and satellite operators expire at various times beginning in 2012 through 2020. At the end of 2012, three of the larger U.S. distribution arrangements will expire. Although the Company intends to renew these agreements with its distributors, a failure to secure a renewal or a renewal on less favorable terms may have a material adverse effect on the Company's results of operations and financial condition. Not only could the Company experience a reduction in affiliate revenues, but it could also experience a reduction in advertising revenues which are also impacted by affiliate subscriber amounts.

No individual customer accounted for more than 10% of total consolidated revenues for 2011, 2010 or 2009. The Company's trade receivables do not represent a significant concentration of credit risk as of December 31, 2011 or 2010 due to the wide variety of customers and markets in which the Company operates and their dispersion across many geographic areas.

Financial Institutions

Cash and cash equivalents are maintained with several financial institutions. The Company has deposits held with banks that exceed the amount of insurance provided on such deposits. Generally, these deposits may be redeemed upon demand and are maintained with financial institutions of reputable credit and, therefore, bear minimal credit risk.

Lender Counterparties

There is a risk that the counterparties associated with the Company's revolving credit facility will not be available to fund as obligated under the terms of the facility. If funding under the revolving credit facility is unavailable, the Company may have to acquire a replacement credit facility from a different counterparty at a higher cost or may be unable to find a suitable replacement. Typically, the Company seeks to manage these exposures by contracting with experienced large financial institutions and monitoring the credit quality of its lenders. As of December 31, 2011, the Company did not anticipate nonperformance by any of its counterparties.

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Summary Of Significant Accounting Policies

12 Months Ended

Dec. 31, 2011

Summary Of Significant Accounting Policies [Abstract]

Summary Of Significant Accounting Policies

NOTE 2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Accounting and Reporting Pronouncements Adopted

Testing for Goodwill Impairment

In September 2011, the Financial Accounting Standards Board ("FASB") issued guidance which is intended to reduce the cost and complexity of the annual goodwill impairment test by providing entities an option to perform a qualitative assessment to determine whether the quantitative two-step annual goodwill impairment test is necessary. If an entity believes as a result of its qualitative assessment that it is more likely than not that the fair value of a reporting unit is greater than its carrying amount, the quantitative impairment test is not required. The Company adopted the new guidance effective October 1, 2011 and applied it to the Company's November 30, 2011 annual impairment test. Based on the Company's qualitative assessment, the Company did not perform the quantitative impairment test for any reporting units except Commerce, a component of the U.S. Networks segment. Based on changes in the long-term projections for the Commerce reporting unit, the Company performed Step 1 of the quantitative goodwill impairment test. (See Note 9.)

A Creditor's Determination of Whether a Restructuring Is a Troubled Debt Restructuring

In April 2011, the FASB issued new accounting guidance related to identifying and disclosing troubled debt restructurings ("TDRs"). This guidance provides clarification in assessing whether a creditor has granted a concession and whether a debtor is experiencing financial difficulties for the purpose of determining whether a restructuring constitutes a TDR. The Company adopted this new guidance effective July 1, 2011. The adoption of the new guidance did not impact the Company's consolidated financial statements.

Fair Value Measurements

In January 2010, the FASB issued guidance that requires additional disclosures about recurring and nonrecurring fair value measurements, including significant transfers into and out of Level 1 and Level 2 of the fair value measurement hierarchy, and separately presenting information regarding purchases, sales, issuances, and settlements in the reconciliation of Level 3 fair value measurements. The Company prospectively adopted the new guidance effective January 1, 2010, except for Level 3 reconciliation disclosures, which was effective for the Company on January 1, 2011. The adoption of the new guidance did not impact the Company's consolidated financial statements.

Revenue Recognition for Multiple-Element Revenue Arrangements

In October 2009, the FASB issued guidance that changed the determination of when the individual deliverables included in a multiple-element revenue arrangement may be treated as separate units of accounting, modified the manner in which the arrangement consideration is allocated across the separately identified deliverables, and expanded the disclosures required for multiple-element revenue arrangements. Under the new guidance, the Company must allocate the arrangement consideration to each deliverable based on management's estimate of the price at which each element would be separately sold, if vendor specific information or third party evidence of selling price is not available. The Company prospectively adopted the new guidance effective January 1, 2011. The adoption of the new guidance did not impact the Company's consolidated financial statements.

Variable Interest Entities

In June 2009, the FASB amended the guidance for interests in VIEs. Among other matters, the guidance amended the approach for determining the primary beneficiary of a VIE by requiring an analysis that places more reliance on qualitative rather than quantitative factors, continuous assessments of whether an entity is the primary beneficiary of a VIE and enhanced disclosures about an entity's involvement with a VIE. Effective January 1, 2010, the Company retrospectively adopted the new guidance, which resulted in the Company deconsolidating The Oprah Winfrey Network ("OWN") and Animal Planet Japan ("APJ") ventures and using the equity method to account for its interests in them.

Accounting and Reporting Pronouncements Not Yet Adopted

Fair Value Measurements

In May 2011, the FASB and the International Accounting Standards Board ("IASB") issued guidance which results in a consistent definition between U.S. Generally Accepted Accounting Principles ("GAAP") and International Financial Reporting Standards ("IFRS") of fair value and common requirements for measurement of and disclosure about fair value. There are several changes under the new guidance. The highest and best use valuation concepts are only relevant when measuring the fair value of nonfinancial assets. The prohibition of the application of a blockage factor extends to all financial measurements. The Company must disclose quantitative information about unobservable inputs used to assess fair value and provide a qualitative discussion about the sensitivity of the measurements for recurring Level 3 fair value measurements. The Company will prospectively adopt the new guidance effective January 1, 2012. The Company does not expect that the adoption of this update will have a material impact on its financial statements.

Comprehensive Income

In June 2011, the FASB issued guidance eliminating the current option to report other comprehensive income and its components in the statement of changes in equity. Entities may elect to present items of net income and other comprehensive income in one continuous statement or in two separate, but consecutive, statements. Under the new guidance, each component of net income and each component of other comprehensive income, together with totals for comprehensive income and its two parts, net income and other comprehensive income, are required to be disclosed under either alternative. The guidance is effective January 1, 2012, but early adoption is permitted. The Company does not expect that the adoption of this update will have a material impact on its financial statements.

Use of Estimates

The preparation of financial statements in accordance with GAAP requires management to make estimates, judgments and assumptions that affect the amounts and disclosures reported in the consolidated financial statements and accompanying notes. Management continually re-evaluates its estimates, judgments and assumptions and management's assessments could change. Actual results may differ from those estimates and could have a material impact on the consolidated financial statements.

Significant estimates inherent in the preparation of the consolidated financial statements include accounting for asset impairments, revenue recognition, allowances for doubtful accounts, content rights, depreciation and amortization, business combinations, stock-based compensation, income taxes, contingencies and the determination of whether the Company is the primary beneficiary of entities in which it holds variable interests.

Consolidation

The Company has ownership and other interests in various entities, including corporations, partnerships, and limited liability companies. For each such entity, the Company evaluates its ownership and other interests to determine whether it should consolidate the entity or account for its ownership interest as an investment. As part of its evaluation, the Company initially determines whether the entity is a VIE and, if so, whether it is the primary beneficiary of the VIE. An entity is generally a VIE if it meets any of the following criteria (i) the entity has insufficient equity to finance its activities without additional subordinated financial support from other parties, (ii) the equity investors cannot make significant decisions about the entity's operations, or (iii) the voting rights of some investors are not proportional to their obligations to absorb the expected losses of the entity or receive the expected returns of the entity and substantially all of the entity's activities involve or are conducted on behalf of the investor with disproportionately few voting rights. The Company consolidates VIEs for which it is the primary beneficiary, regardless of its ownership or voting interests. The primary beneficiary is the party involved with the VIE that (i) has the power to direct the activities of the VIE that most significantly impact the VIE's economic performance, and (ii) has the obligation to absorb losses of the VIE that could potentially be significant to the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE. However, the amount of expected losses, expected residual returns, and expected variability is not the sole determinant as to whether the Company has these obligations or rights. The Company periodically makes judgments in determining whether entities in which it invests are VIEs. If so, the Company determines whether it is required to consolidate the entity.

If it is concluded that an entity is not a VIE, then the Company considers its proportional voting interests in the entity. The Company consolidates majority-owned subsidiaries in which a controlling interest is maintained. Controlling interest is determined by majority ownership and the absence of significant third-party participating rights.

Ownership interests in entities for which the Company has significant influence and are not consolidated under the Company's consolidation policy are accounted for as equity method investments. Related party transactions between the Company and its equity method investees have not been eliminated.

Investments

The Company has held investments in equity method investees and other marketable securities such as mutual funds and U.S. Treasury securities.

Investments in equity method investees are those for which the Company has the ability to exercise significant influence but does not control and is not the primary beneficiary. Significant influence typically exists if the Company has a 20% to 50% ownership interest in the venture. Under this method of accounting, the Company records its proportionate share of the net earnings or losses of equity method investees and a corresponding increase or decrease to the investment balances. Cash payments to equity method investees such as additional investments, loans and advances and expenses incurred on behalf of investees, as well as payments from equity method investees such as dividends, distributions and repayments of loans and advances are recorded as adjustments to investment balances. The Company evaluates its equity method investments for impairment whenever events or changes in circumstances indicate that the carrying amounts of such investments may not be recoverable. (See Asset Impairment Analysis below.)

Investments in entities over which the Company has no control or significant influence and is not the primary beneficiary and investments in other securities are accounted for at fair value or cost. Investments in securities with readily determinable fair values are accounted for at fair value, based on quoted market prices, and classified as either trading securities or available-for-sale securities. For investments classified as trading securities, which include securities held in a separate trust in connection with the Company's deferred compensation plan, unrealized and realized gains and losses related to the investment and corresponding liability are recorded in earnings. For investments classified as available-for-sale securities, which include investments in mutual funds, unrealized gains and losses are recorded net of income taxes in other comprehensive income (loss) until the security is sold or considered impaired. If declines in the value of available-for-sale securities are determined to be other than temporary, a loss is recorded in earnings in the current period. Impairments are determined based on, among other factors, the length of time the fair value of the investment has been less than the carrying value, future business prospects for the investee, and information regarding market and industry trends for the investee's business, if available. For purposes of computing realized gains and losses, the Company determines cost on a specific identification basis.

Foreign Currency

The functional currency of most of the Company's international subsidiaries is the local currency. Assets and liabilities denominated in foreign currencies are translated at exchange rates in effect at the balance sheet date. Foreign currency equity balances are translated at historical rates. Revenues and expenses denominated in foreign currencies are translated at average exchange rates for the respective periods. Foreign currency translation adjustments are recorded in other comprehensive income (loss). Foreign currency transaction gains and losses are included in operating income and total a loss of $12 million, a gain of $8 million, and zero for 2011, 2010, and 2009, respectively.

Discontinued Operations

In determining whether a group of assets disposed of should be presented as a discontinued operation, the Company initially makes a determination as to whether the group of assets comprises a component of the entity, which requires clearly distinguishable cash flows from the rest of the entity. The Company also determines whether the cash flows associated with the component have been or will be significantly eliminated from the ongoing operations of the Company as a result of the disposal transaction and whether the Company will have significant continuing involvement in the operations of the component subsequent to the disposal transaction. If the Company determines the criteria have been achieved, the results of operations of the component being disposed of, as well as any gain or loss on the disposal transaction are aggregated for separate presentation apart from continuing operating results of the Company in the consolidated financial statements.

Cash and Cash Equivalents

Cash and cash equivalents include cash on hand and highly liquid investments with original maturities of ninety days or less.

Accounts Receivable

Accounts receivable include amounts billed and currently due from customers and are presented net of an estimate for accounts that may not be collected. The Company evaluates outstanding receivables to determine whether they will ultimately be fully collected. In performing this evaluation, the Company analyzes market trends, economic conditions, the aging of receivables, and customer specific risks. Using this information, the Company reserves an amount that it estimates may not be collected. The Company does not require collateral with respect to trade receivables.

Content Rights

Content rights principally consist of television series and television specials. Content aired on the Company's television networks is primarily obtained through third-party production companies and is classified either as produced, coproduced or licensed. Substantially all produced content includes programming for which the Company has engaged third parties to develop and produce, and it owns most or all rights. Coproduced content refers to programs for which the Company collaborates with third parties to finance and develop, and it retains significant rights to exploit the programs. Licensed content is comprised of films or series that have been previously produced by third parties and the Company retains limited airing rights over a contractual term. Capitalized content costs are stated at the lower of cost less accumulated amortization or net realizable value.

Costs of produced and coproduced content consist of development costs, acquired production costs, direct production costs, certain production overhead costs and participation costs. Costs incurred for produced and coproduced content are capitalized if the Company has previously generated revenues from similar content in established markets and the content will be used and revenues will be generated for a period of at least one year. The Company's coproduction arrangements generally provide for the sharing of production cost. The Company records its costs, but does not record the costs borne by the other party as the Company does not share any associated economics of exploitation. Program licenses typically have fixed terms and require payments during the term of the license. The cost of licensed content is capitalized when the programs are delivered or the Company has paid for the programs. Development costs for programs that the Company has determined will not be produced are written off. Additionally, distribution, advertising, marketing, general and administrative costs are expensed as incurred.

Amortization of content rights is recognized based on the proportion that current estimated revenues bear to the estimated remaining total lifetime revenues, which results in either an accelerated method or a straight-line method over the estimated useful lives of up to five years. Amortization of capitalized costs for produced and coproduced content begins when a program has been aired. Amortization of capitalized costs for licensed content commences when the license period begins and the program is available for use.

The Company periodically evaluates the net realizable value of content by considering expected future revenue generation. Estimates of future revenues consider historical airing patterns and future plans for airing content, including any changes in strategy. Estimated future revenues may differ from actual revenues based on changes in expectations related to market acceptance, network affiliate fee rates, advertising demand, the number of cable and satellite television subscribers receiving the Company's networks, and program usage. Accordingly, the Company continually reviews revenue estimates and planned usage and revises its assumptions if necessary. Given the significant estimates and judgments involved, actual demand or market conditions may be less favorable than those projected, requiring a write-down to net realizable value.

All produced and coproduced content is classified as long-term. The portion of the unamortized licensed content balance that will be amortized within one year is classified as a current asset.

Property and Equipment

Property and equipment are stated at cost less accumulated depreciation and impairments. The cost of property and equipment acquired under capital lease arrangements represents the lesser of the present value of the minimum lease payments or the fair value of the leased asset as of the inception of the lease. Substantially all capitalized software costs are for internal use. Capitalization of software costs occurs during the application development stage. Software costs incurred during the preliminary project and post implementation stages are expensed as incurred. Repairs and maintenance expenditures that do not enhance the use or extend the life of property and equipment are expensed as incurred.

Depreciation for most property and equipment is recognized using the straight-line method over the estimated useful lives of the assets, which is 15 to 39 years for buildings, three to five years for broadcast equipment, two to five years for capitalized software costs and three to five years for office equipment, furniture, fixtures and other property and equipment. Assets acquired under capital lease arrangements and leasehold improvements are amortized using the straight-line method over the lesser of the estimated useful lives of the assets or the terms of the related leases, which is three to 12 years. Depreciation commences when property or equipment is ready for its intended use.

Asset Impairment Analysis

Goodwill and Indefinite-lived Intangible Assets

Goodwill is allocated to various reporting units, which are generally an operating segment or one reporting level below the operating segment. The Company evaluates goodwill and other indefinite-lived intangible assets for impairment annually as of November 30 and earlier upon the occurrence of certain events or substantive changes in circumstances such as: a significant deterioration in economic conditions, industry changes, increases in costs, declining cash flows, or a decline in market capitalization. If the Company believes that as a result of its qualitative assessment it is more likely than not that the fair value of a reporting unit is greater than its carrying amount, the quantitative impairment test is not required. Following a qualitative assessment indicating that it is not more likely than not that the fair value of the reporting unit exceeds its carrying amount, goodwill impairment is determined using a two-step quantitative process. The first step of the process is to compare the fair value of a reporting unit with its carrying amount, including goodwill. In performing the first step, the Company determines the fair value of a reporting unit by using a combination of a discounted cash flow ("DCF") analysis and may also use market-based valuation methodologies. Determining fair value requires the exercise of significant judgment, including judgments about appropriate discount rates, perpetual growth rates, relevant comparable company earnings multiples and the amount and timing of expected future cash flows. The cash flows employed in the DCF analyses are based on the Company's budget, long-term business plan, and recent operating performance. Discount rate assumptions are based on an assessment of the risk inherent in future cash flows of the respective reporting unit. In assessing the reasonableness of its determined fair values, the Company may also evaluate its results against other value indicators such as comparable company public trading values, research analyst estimates and values observed in market transactions. If the fair value of a reporting unit exceeds its carrying amount, goodwill of the reporting unit is not impaired and the second step of the quantitative impairment test is not necessary. If the carrying amount of a reporting unit exceeds its fair value, the second step of the quantitative goodwill impairment test is required to be performed to measure the amount of impairment loss, if any. The second step of the quantitative goodwill impairment test compares the implied fair value of the reporting unit's goodwill with the carrying amount of that goodwill. The implied fair value of goodwill is determined in the same manner as the amount of goodwill recognized in a business combination. In other words, the estimated fair value of the reporting unit's identifiable net assets excluding goodwill are compared to the fair value of the reporting unit as if the reporting unit had been acquired in a business combination and the fair value of the reporting unit was the purchase price paid. If the carrying amount of the reporting unit's goodwill exceeds the implied fair value of that goodwill, an impairment loss is recognized in an amount equal to that excess.

The impairment test for other intangible assets not subject to amortization involves a comparison of the estimated fair value of the intangible asset with its carrying value. If the carrying value of the intangible asset exceeds its fair value, an impairment loss is recognized in an amount equal to that excess. The estimates of fair value of intangible assets not subject to amortization are determined using a DCF valuation analysis, a market-based valuation analysis, or both.

Determining fair value requires the exercise of significant judgment, including judgments about appropriate discount rates, perpetual growth rates, relevant comparable company earnings multiples when available and the amount and timing of expected future cash flows.

Long-lived Assets

Long-lived assets such as amortizing trademarks, customer lists, other intangible assets, and property and equipment are not required to be tested for impairment annually. Instead, long-lived assets are tested for impairment whenever events or circumstances indicate that the carrying amount of the asset may not be recoverable. Such events include, but are not limited to, the likely disposal of a portion of such assets or the occurrence of an adverse change in the market involving the business employing the related assets. If an impairment analysis is required, the impairment test employed is based on whether the Company's intent is to hold the asset for continued use or to hold the asset for sale. If the intent is to hold the asset for continued use, the impairment test first requires a comparison of undiscounted future cash flows to the carrying value of the asset. If the carrying value of the asset exceeds the undiscounted cash flows, the asset would not be deemed to be recoverable. Impairment would then be measured as the excess of fair value over the asset's carrying value. Fair value is typically determined by discounting the future cash flows associated with that asset. If the intent is to hold the asset for sale and certain other criteria are met, the impairment test involves comparing the asset's carrying value to its fair value less costs to sell. To the extent the carrying value is greater than the asset's fair value less costs to sell, an impairment loss is recognized in an amount equal to the difference. Significant judgments in this area involve determining whether events or circumstances indicate that the carrying amount of the asset may not be recoverable, determining the future cash flows for the assets involved and determining the proper discount rate to be applied in determining fair value.

Equity Method Investments

Equity method investments are reviewed for impairment on a quarterly basis by comparing their fair value to their respective carrying amounts. The Company may estimate the fair value of its equity method investments by considering recent investee equity transactions, discounted cash flow analyses, recent operating results, comparable public company operating cash flow multiples and in certain situations, balance sheet liquidation values. If the fair value of the investment has dropped below the carrying amount, management considers several factors when determining whether an other-than temporary decline has occurred. These factors include the length of the time and the extent to which the estimated fair value or market value has been below the carrying value, the financial condition and the near-term prospects of the investee, the intent and ability of the Company to retain its investment in the investee for a period of time sufficient to allow for any anticipated recovery in market value, and other factors influencing the fair market value, such as general market conditions. The estimation of fair value and whether an other-than temporary impairment has occurred requires the application of significant judgment and future results may vary from current assumptions. (See Note 4.)

Derivative Instruments

The Company uses derivative financial instruments from time to time to modify its exposure to market risks from changes in interest rates and foreign exchange rates. The Company may designate derivative instruments as cash flow hedges or fair value hedges, as appropriate. The Company records all derivative instruments at fair value on a gross basis. For those derivative instruments designated as cash flow hedges that qualify for hedge accounting, gains or losses on the effective portion of derivative instruments are initially recorded in accumulated other comprehensive loss on the consolidated balance sheets and reclassified to the same account on the consolidated statements of operations in which the hedged item is recognized. The Company may also enter into derivative instruments that are not designated as hedges and do not qualify for hedge accounting. These contracts are intended to mitigate economic exposures of the Company. The changes in fair value of derivatives not designated as hedges and the ineffective portion of derivatives designated as hedging instruments are immediately recorded in other (expense) income, net. As of December 31, 2011, the Company held no derivative instruments.

Treasury Stock

When stock is retired or purchased for constructive retirement, the purchase price is initially recorded as a reduction to the par value of the shares repurchased, with any excess purchase price over par value recorded as a reduction to additional paid-in capital related to the series of shares repurchased and any remainder excess purchase price recorded as a reduction to retained earnings. If the purchase price exceeds the amounts allocated to par value and additional paid-in capital related to the series of shares repurchased and retained earnings, the remainder is allocated to additional paid-in capital.

When stock is acquired for purposes other than formal or constructive retirement, the purchase price of the acquired stock is recorded in a separate treasury stock account which is separately reported as a reduction of equity.

Revenue Recognition

The Company generates revenues principally from (i) fees charged to distributors of its network content, which include cable and DTH satellite service providers and digital distributors, (ii) advertising sold on its television networks, and (iii) transactions for curriculum-based products and services, affiliate and advertising sales representation services, postproduction audio services, and the licensing of its brands for consumer products.

Revenue is recognized when persuasive evidence of a sales arrangement exists, delivery occurs or services are rendered, the sales price is fixed or determinable and collectability is reasonably assured. Revenues do not include taxes collected from customers on behalf of taxing authorities such as sales tax and value added tax. However, certain revenues include taxes that customers pay to taxing authorities on the Company's behalf, such as foreign withholding income tax. Revenue recognition for each source of revenue is also based on the following policies.

Distribution

Cable operators, DTH satellite service providers and other distributors typically pay a per-subscriber fee for the right to distribute the Company's programming under the terms of distribution contracts. The majority of the Company's distribution fees are collected monthly throughout the year. Distribution revenues to cable operators and DTH service providers are recognized over the term of the contracts, including any free periods, based on contracted programming rates and reported subscriber levels. The amount of distribution revenues due to the Company is reported by distributors based on actual subscriber levels. Such information is generally not received until after the close of the reporting period. In such cases, reported distribution revenues are based upon the Company's estimates of the number of subscribers receiving the Company's programming for periods which the distributor has not yet reported. The Company's subscriber estimates are based on the most recent remittance or confirmation of subscribers received from the distributor. The Company subsequently adjusts its estimated amounts based upon the actual amount of subscribers. Historical adjustments to recorded estimates have not been material.

Distribution revenues are recognized net of incentives the Company provides to operators in exchange for carrying its networks. Incentives typically include cash payments to operators ("launch incentives"), providing the channel to the distributor for free for a predetermined length of time, or both. Launch incentives are capitalized as assets upon launch of the Company's network by the operator and are amortized on a straight-line basis as a reduction of revenue over the term of the contract, including free periods. In instances where the distribution agreement is extended prior to the expiration of the original term, the Company evaluates the economics of the extended term and, if it is determined that the launch asset continues to benefit the Company over the extended term, then the Company will adjust the amortization period of the remaining launch incentives accordingly. Other incentives are recognized as a reduction of revenue as incurred. Amortization of launch incentives was $52 million, $42 million, and $55 million for 2011, 2010, and 2009, respectively.

Revenues associated with digital distribution arrangements are recognized when the Company transfers control of the content and the rights to distribute the content to the customer. If multiple programs are included in the arrangement, the Company allocates the fee to each program based on its relative fair value.

Advertising

Advertising revenues are principally generated from the sale of commercial time on television networks. Advertising revenues are recognized net of agency commissions in the period advertising spots are aired. A substantial portion of the advertising contracts in the U.S. guarantee the advertiser a minimum audience level that either the program in which their advertisements are aired or the advertisement will reach. Revenues are recognized for the actual audience level delivered. The Company provides the advertiser with additional advertising spots in future periods if the guaranteed audience level is not delivered. Revenues are deferred for any shortfall in the guaranteed audience level until the guaranteed audience level is delivered or the rights associated with the guarantee lapse. Audience guarantees are initially developed internally based on planned programming, historical audience levels, the success of pilot programs, and market trends. In the U.S., actual audience and delivery information is published by independent ratings services. In certain instances, the independent ratings information is not received until after the close of the reporting period. In these cases, reported advertising revenue and related deferred revenue is based upon the Company's estimates of the audience level delivered using the most current data available. The Company subsequently adjusts its estimated amounts based upon the actual audience delivered and verified through an independent ratings service. Historical adjustments to recorded estimates have not been material.

Advertising revenues from online properties are recognized either as impressions are delivered or the services are performed.

Other

Revenues for curriculum-based services are recognized ratably over the contract term. Revenues from postproduction audio services are recognized as services are completed. Royalties from brand licensing arrangements are earned as products are sold by the licensee.

Deferred Revenues

Deferred revenues primarily consist of cash received for television advertising for which the advertising spots have not yet aired and advanced billings to subscribers for access to the Company's curriculum-based streaming services. The amounts classified as current are expected to be earned within the next year.

Stock-Based Compensation Expense

The Company has incentive plans under which unit awards, stock appreciation rights ("SARs"), stock options, performance based restricted stock units ("PRSUs") and service based restricted stock units ("RSUs") are issued.

The Company measures the cost of employee services received in exchange for unit awards and SARs based on the fair value of the award less estimated forfeitures. Because unit awards and SARs are cash-settled, the Company remeasures the fair value of these awards each reporting period until settlement. Compensation expense, including changes in fair value, for unit awards and SARs is recognized during the vesting period in proportion to the requisite service that has been rendered as of the reporting date. For grants of unit awards with graded vesting, the Company measures fair value and records compensation expense for all vesting tranches as a single award. For grants of SARs with graded vesting, the Company measures fair value and records compensation expense separately for each vesting tranche. Changes in the fair value of outstanding unit awards and SARs that occur between the vesting date and settlement date are recorded as adjustments to compensation costs in the period in which the changes occur. The Company measures the cost of employee services received in exchange for stock options based on the fair value of the award on the date of grant less estimated forfeitures. Compensation expense for stock options is recognized ratably during the vesting period.

The fair values of unit awards, SARs and stock options are estimated using the Black-Scholes option-pricing model. Because the Black-Scholes option-pricing model requires the use of subjective assumptions, changes in these assumptions can materially affect the fair value of awards. For unit awards and SARs, the expected term is the period from the grant date to the vesting date of the award. For stock options, the expected term is estimated to be the period from the date of grant through the mid-point between the vesting date and the end of the contractual term of the award. Expected volatility is based on a combination of implied volatilities from traded options on the Company's common stock and historical realized volatility of the Company's common stock, and considers other factors deemed relevant. The dividend yield is assumed to be 0% because the Company has no present intention to pay dividends. The risk-free interest rate is based on U.S. Treasury zero-coupon issues with a remaining term equal to the expected term of the award.

Vesting for certain PRSUs is subject to satisfying objective operating performance conditions while vesting for other PRSUs is based on the achievement of a combination of objective and subjective operating performance conditions. Compensation expense for PRSUs that vest based on achieving objective operating performance conditions is measured based on the fair value of the Company's Series A common stock on the date of grant less estimated forfeitures. Compensation expense for PRSUs that vest based on achieving subjective operating performance conditions is remeasured at fair value of the Company's Series A common stock less estimated forfeitures each reporting period until the date of vesting. Compensation expense for all PRSUs is recognized ratably during the vesting period only when it is probable that the operating performance conditions will be achieved. The Company records a cumulative adjustment to compensation expense for PRSUs if there is a change in the determination of whether or not it is probable the operating performance conditions will be achieved.

The Company measures the cost of employee services received in exchange for RSUs based on the fair value of the Company's Series A common stock on the date of grant less estimated forfeitures. Compensation expense for RSUs is recognized ratably during the vesting period.

When recording compensation cost for stock-based awards, the Company is required to estimate the number of awards granted that are expected to be forfeited. In estimating forfeitures, the Company considers historical and expected forfeiture rates and anticipated events. On an ongoing basis, the Company adjusts compensation expense based on actual forfeitures and revises the forfeiture rate as necessary.

On May 17, 2011, the Company's stockholders approved the Discovery Communications, Inc. 2011 Employee Stock Purchase Plan (the "DESPP"), which enables eligible employees to purchase shares of the Company's common stock through payroll deductions or other permitted means. The Company recognizes the fair value of the discount associated with shares purchased under the plan as stock-based compensation expense. The initial offering period for the DESPP began on November 16, 2011 and ended on February 14, 2012.

Stock-based compensation expense is recorded as a component of selling, general and administrative expense. The Company classifies as a current liability the intrinsic value of unit awards and SARs that are vested or will become vested within one year.

Excess tax benefits realized from the exercise of stock options and vested RSUs, PRSUs and the DESPP are reported as cash inflows from financing activities rather than as a reduction of taxes paid in cash flows from operating activities on the consolidated statements of cash flows.

Advertising Costs

Advertising costs are expensed as incurred. Advertising costs paid to third parties totaled $132 million, $135 million, and $103 million for 2011, 2010 and 2009, respectively.

Income Taxes

Income taxes are recorded using the asset and liability method of accounting for income taxes. Deferred income taxes reflect the net tax effect of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Deferred taxes are measured using rates we expect to apply to taxable income in years in which those temporary differences are expected to reverse. A valuation allowance is provided for deferred tax assets if it is more likely than not such assets will be unrealized.

The Company reports a liability for unrecognized income tax benefits resulting from uncertain tax positions taken or expected to be taken on a tax return. The Company's policy is to classify tax interest and penalties related to tax reserves and unrecognized tax benefits as tax expense. The liability for these items is included in other current and noncurrent liabilities on the consolidated balance sheets as appropriate.

Concentrations Risk

Customers

The Company has long-term contracts with distributors around the world, including the largest operators in the U.S. and major international distributors. In the U.S., approximately 90% of distribution revenues come from the top 10 distributors. Outside of the U.S., less than 50% of distribution revenue comes from the top 10 distributors. Agreements in place with the major cable and satellite operators expire at various times beginning in 2012 through 2020. At the end of 2012, three of the larger U.S. distribution arrangements will expire. Although the Company intends to renew these agreements with its distributors, a failure to secure a renewal or a renewal on less favorable terms may have a material adverse effect on the Company's results of operations and financial condition. Not only could the Company experience a reduction in affiliate revenues, but it could also experience a reduction in advertising revenues which are also impacted by affiliate subscriber amounts.

No individual customer accounted for more than 10% of total consolidated revenues for 2011, 2010 or 2009. The Company's trade receivables do not represent a significant concentration of credit risk as of December 31, 2011 or 2010 due to the wide variety of customers and markets in which the Company operates and their dispersion across many geographic areas.

Financial Institutions

Cash and cash equivalents are maintained with several financial institutions. The Company has deposits held with banks that exceed the amount of insurance provided on such deposits. Generally, these deposits may be redeemed upon demand and are maintained with financial institutions of reputable credit and, therefore, bear minimal credit risk.

Lender Counterparties

There is a risk that the counterparties associated with the Company's revolving credit facility will not be available to fund as obligated under the terms of the facility. If funding under the revolving credit facility is unavailable, the Company may have to acquire a replacement credit facility from a different counterparty at a higher cost or may be unable to find a suitable replacement. Typically, the Company seeks to manage these exposures by contracting with experienced large financial institutions and monitoring the credit quality of its lenders. As of December 31, 2011, the Company did not anticipate nonperformance by any of its counterparties.

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Acquisitions And Dispositions (Tables)

12 Months Ended

Dec. 31, 2011

Acquisitions And Dispositions [Abstract]

Schedule Of Transfers From Noncontrolling Interests

	Year Ended December 31,
	2011		2010			2009
Net income attributable to Discovery Communications, Inc.	$	1,132	$	653		$	549
Decrease in equity for purchase of noncontrolling interests		—		(117	)		—
Change from net income attributable to Discovery Communications, Inc. and transfers to noncontrolling interests	$	1,132	$	536		$	549

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Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Federal statutory tax rate		35.00%	35.00%	35.00%
Benefit from (provision for) income taxes	$ 112	$ 425	$ 288	$ 469
Tax adjustment			28
Undistributed foreign earnings	181	181	0
Gains on dispositions				252
Deferred tax liability	21	21
Foreign tax credits		112
Valuation allowance deferred tax asset, change in amount				12
Unrecognized tax benefit	46	46	63	71	74
Decreases in unrecognized tax benefit		17
Unrecognized tax benefits impacts	35	35	42	53
Unrecognized tax benefits related to tax positions could decrease in next twelve months		14
Accrued additional interest	3	3	6	9
Federal [Member]
Operating loss carryforwards	35	35
Operating loss carryforwards, expiration dates		2022
Foreign [Member]
Tax credit carryforward amount	214	214
Tax credit carryforward, expiration dates		2012
State [Member]
Operating loss carryforwards	669	669
Operating loss carryforwards, expiration dates		2012
Deferred tax asset	16	16
Valuation allowance	$ 16	$ 16

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Equity (Tables)

12 Months Ended

Dec. 31, 2011

Equity [Abstract]

Tax Effects Related To Other Comprehensive Income (Loss)

	Before-tax Amount			Tax (Expense) Benefit			Net-of-tax Amount
Year ended December 31, 2009:
Foreign currency translation adjustments	$	42		$	(15	)	$	27
Market value adjustments and reclassifications for securities and derivatives		47			(17	)		30
Other comprehensive income	$	89		$	(32	)	$	57
Year ended December 31, 2010:
Foreign currency translation adjustments	$	(30	)	$	11		$	(19	)
Market value adjustments and reclassifications for securities and derivatives		11			(4	)		7
Other comprehensive loss	$	(19	)	$	7		$	(12	)
Year ended December 31, 2011:
Foreign currency translation adjustments	$	15		$	(5	)	$	10
Other comprehensive income	$	15		$	(5	)	$	10

Schedule Of Change In Components Of Accumulated Other Comprehensive Loss

	As of December 31,
	2011			2010			2009
Foreign currency translation adjustments, net	$	(29	)	$	(39	)	$	(20	)
Market value adjustments and reclassifications for securities and derivatives, net		6			6			(1	)
Ending balance	$	(23	)	$	(33	)	$	(21	)

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Acquisitions And Dispositions (Schedule Of Transfers From Noncontrolling Interests) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2010		Sep. 30, 2010		Jun. 30, 2010		Mar. 31, 2010		Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Acquisitions And Dispositions [Abstract]
Net income attributable to Discovery Communications, Inc.	$ 191	[1],[2],[3],[4],[5],[6]	$ 186	[1],[2],[3],[4],[5],[6]	$ 107	[1],[2],[3],[4],[5],[6]	$ 169	[1],[2],[3],[4],[5],[6]	$ 1,132	$ 653	$ 549
Decrease in equity for purchase of noncontrolling interests										(117)
Change from net income attributable to Discovery Communications, Inc. and transfers to noncontrolling interests									$ 1,132	$ 536	$ 549

[1] Income per share amounts for the quarters and full years have each been calculated separately. Accordingly, income per share amounts for a particular quarter may not sum. Additionally, quarterly amounts may not add to the annual amounts because of differences in the average common shares outstanding during each period and, with regard to diluted per common share amounts only, because of the inclusion of the effect of potentially dilutive securities only in the periods in which such effect would have been dilutive.

[2] The results of operations for the quarter ended March 31, 2010 include a $28 million reversal of foreign tax reserves, $4 million of losses on interest rate swaps, and $3 million of restructuring charges.

[3] The results of operations for the quarter ended June 30, 2010 include a $136 million loss on extinguishment of debt and $23 million of losses on interest rate swaps.

[4] The results of operations for the quarter ended September 30, 2010 include a $12 million reversal of a tax payable related to discontinued operations, an $11 million pretax noncash impairment charge related to goodwill, and $4 million of exit and restructuring charges. Additionally, the Company repurchased 1.12 million shares of its Series C common stock.

[5] On September 1, 2010, the Company sold its Antenna Audio business for net cash proceeds of $24 million, which resulted in a $9 million gain, net of taxes. The operating results of Antenna Audio have been reported as discontinued operations for all periods. Certain quarterly financial data in the above table vary from the amounts previously reported on the Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2010 due to subsequent presentation of Antenna Audio as discontinued operations.

[6] The results of operations for the quarter ended December 31, 2010 include $7 million of exit and restructuring charges. Additionally, the Company repurchased 1.87 million shares of its Series C common stock and 13.73 million shares of its Series C convertible preferred stock.

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Equity (Narrative) (Details) (USD $)	0 Months Ended	3 Months Ended				12 Months Ended						3 Months Ended						12 Months Ended				0 Months Ended			12 Months Ended										12 Months Ended				0 Months Ended
	Aug. 03, 2010	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Sep. 30, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 Preferred Stock [Member]	Dec. 31, 2010 Preferred Stock [Member]	Dec. 31, 2011 Series C Preferred Stock [Member]	Dec. 31, 2010 Series C Preferred Stock [Member]	Dec. 31, 2011 Series C Common Stock [Member]	Dec. 31, 2010 Series C Common Stock [Member]	Dec. 31, 2011 Series A Common Stock [Member]	Dec. 31, 2010 Series A Common Stock [Member]	Dec. 31, 2011 Series A Preferred Stock [Member]	Dec. 31, 2010 Series A Preferred Stock [Member]	Dec. 31, 2010 Discovery Communications, Inc. Stockholders' Equity [Member]	Dec. 31, 2010 (Accumulated Deficit)/Retained Earnings [Member]	Dec. 31, 2010 Additional Paid-In Capital [Member]	Sep. 17, 2008 Preferred Stock [Member] Series C Preferred Stock [Member]	Sep. 17, 2008 Preferred Stock [Member] Series A Preferred Stock [Member]	Sep. 17, 2008 Series C Preferred Stock [Member] Preferred Stock [Member]	Dec. 31, 2011 Series C Convertible Preferred Stock [Member] Preferred Stock [Member]	Dec. 31, 2010 Accumulated Deficit [Member]	Dec. 31, 2010 Stock Dividends To Preferred Interests [Member]	Dec. 31, 2009 Stock Dividends To Preferred Interests [Member]	Dec. 31, 2010 Stock Dividends To Preferred Interests [Member] Series C Common Stock [Member]	Dec. 31, 2009 Stock Dividends To Preferred Interests [Member] Series C Common Stock [Member]	Dec. 31, 2010 Stock Dividends To Preferred Interests [Member] Series A Common Stock [Member]	Dec. 31, 2009 Stock Dividends To Preferred Interests [Member] Series A Common Stock [Member]	Dec. 31, 2010 2010 Preferred Stock [Member]	Sep. 17, 2008 Newhouse Transaction [Member] Series C Preferred Stock [Member]	Sep. 17, 2008 Newhouse Transaction [Member] Series A Preferred Stock [Member]	Dec. 31, 2011 Stock Repurchase Program [Member]	Dec. 31, 2011 Stock Repurchase Program [Member] Series C Common Stock [Member]	Dec. 31, 2010 Stock Repurchase Program [Member] Series C Common Stock [Member]	Dec. 31, 2010 Preferred Repurchase Program [Member]	Sep. 17, 2008 Series A And C Convertible Preferred Stock [Member] Preferred Stock [Member]	Jul. 27, 2011 Board Of Directors [Member] Stock Repurchase Program [Member]
Class of Stock [Line Items]
Common stock, shares issued												142,000,000	142,000,000	142,000,000	138,000,000
Preferred stock, shares issued										57,000,000	57,000,000					71,000,000	71,000,000																70,000,000	70,000,000
Preferred stock undesignated and issuable								50,000,000
Preferred stock, shares authorized										75,000,000	75,000,000					75,000,000	75,000,000				75,000,000	75,000,000		150,000,000
Conversion of stock, shares issued																						800,000	800,000																1,600,000
Conversion of stock, description								80.00%
Preferred stock, redemption price per share								$ 0.01
Treasury stock authorized	$ 1,000,000,000					$ 2,000,000,000																																		$ 1,000,000,000
Shares repurchased																																						13,730,000
Shares repurchased		9,790,000	5,640,000	4,730,000	1,120,000							7,000,000	1,870,000																							27,000,000	3,000,000
Repurchases of common stock						997,000,000	605,000,000																													997,000,000	105,000,000
Repurchases of preferred stock							500,000,000		500,000,000									500,000,000	266,000,000	234,000,000
Accounting treatment for redemption retained earnings																									266,000,000
Preferred stock Par value																																100,000
Additional paid-in capital																				234,000,000
Remaining authorization																																			898,000,000
Additional paid in capital convertible preferred stock							0
Stock dividends to preferred interests																										1,000,000	8,000,000
Stock dividends declared during period																												$ 60,000	$ 211,000	$ 43,000	$ 254,000

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Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 1,048	$ 466
Receivables, net	1,042	880
Content rights, net	93	83
Deferred income taxes	73	81
Prepaid expenses and other current assets	175	225
Total current assets	2,431	1,735
Noncurrent content rights, net	1,302	1,245
Property and equipment, net	379	399
Goodwill	6,291	6,434
Intangible assets, net	571	605
Equity method investments	807	455
Other noncurrent assets	132	146
Total assets	11,913	11,019
Current liabilities:
Accounts payable	53	87
Accrued liabilities	482	393
Deferred revenues	113	114
Current portion of stock-based compensation liabilities	27	118
Current portion of long-term debt	26	20
Other current liabilities	45	53
Total current liabilities	746	785
Long-term debt	4,219	3,598
Deferred income taxes	337	304
Other noncurrent liabilities	92	99
Total liabilities	5,394	4,786
Commitments and contingencies (See Note 20)
Discovery Communications, Inc. stockholders' equity:
Additional paid-in capital	6,505	6,358
Treasury stock, at cost: 30 and 3 Series C common shares at 2011 and 2010, respectively	(1,102)	(105)
Retained earnings	1,132
Accumulated other comprehensive loss	(23)	(33)
Total Discovery Communications, Inc. stockholders' equity	6,517	6,225
Noncontrolling interests	2	8
Total equity	6,519	6,233
Total liabilities and equity	11,913	11,019
Series A Preferred Stock [Member]
Discovery Communications, Inc. stockholders' equity:
Convertible preferred stock	1	1
Series C Preferred Stock [Member]
Discovery Communications, Inc. stockholders' equity:
Convertible preferred stock	1	1
Series A Common Stock [Member]
Discovery Communications, Inc. stockholders' equity:
Common stock	1	1
Series B Convertible Common Stock [Member]
Discovery Communications, Inc. stockholders' equity:
Common stock
Series C Common Stock [Member]
Discovery Communications, Inc. stockholders' equity:
Common stock	$ 2	$ 2

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Supplemental Disclosures (Tables)

12 Months Ended

Dec. 31, 2011

Supplemental Disclosures [Abstract]

Valuation And Qualifying Accounts

	Beginning of Year		Additions		Write-offs			Utilization			Other		End of Year
2011:
Allowance for doubtful accounts	$	13	$	2	$	(3	)	$	—		$	—	$	12
Deferred tax valuation allowance		13		11		—			—			—		24
2010:
Allowance for doubtful accounts		15		3		(6	)		—			1		13
Deferred tax valuation allowance		22		3		(9	)		(3	)		—		13
2009:
Allowance for doubtful accounts		16		4		(6	)		—			1		15
Deferred tax valuation allowance		32		1		—			(11	)		—		22

Schedule Of Prepaid Expenses And Other Current Assets

	As of December 31,
	2011		2010
Tax receivable	$	44	$	116
Other		131		109
Total prepaid expenses and other current assets	$	175	$	225

Schedule Of Accrued Liabilities

	As of December 31,
	2011		2010
Accrued payroll and related benefits	$	229	$	214
Content rights payable		86		55
Accrued income taxes		38		29
Accrued other		129		95
Total accrued liabilities	$	482	$	393

Schedule Of Other (Expense) Income, Net

	Year Ended December 31,
	2011			2010			2009
Unrealized gains (losses) on derivative instruments, net	$	2		$	13		$	26
Realized losses on derivative instruments, net		(3	)		(42	)		(6	)
Loss from equity investees		(35	)		(57	)		(24	)
Realized gains on sales of investments		—			—			15
Other, net		4			—			2
Total other (expense) income, net	$	(32	)	$	(86	)	$	13

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Supplemental Disclosures (Valuation And Qualifying Accounts) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Allowance For Doubtful Accounts [Member]
Beginning of Year	$ 13	$ 15	$ 16
Additions	2	3	4
Write-offs	(3)	(6)	(6)
Other		1	1
End of Year	12	13	15
Deferred Tax Valuation Allowance [Member]
Beginning of Year	13	22	32
Additions	11	3	1
Write-offs		(9)
Utilization		(3)	(11)
End of Year	$ 24	$ 13	$ 22

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Consolidated Statements Of Equity (USD $) In Millions, unless otherwise specified	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	(Accumulated Deficit)/Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Discovery Communications, Inc. Stockholders' Equity [Member]	Noncontrolling Interests [Member]	Total
Beginning Balance at Dec. 31, 2008	$ 2	$ 3	$ 6,545		$ (936)	$ (78)	$ 5,536	$ 21	$ 5,557
Comprehensive income:
Net income					549		549	15	564
Foreign currency translation adjustments, net						27	27		27
Market value adjustments and reclassifications for securities and derivatives, net						30	30		30
Total comprehensive income							606	15	621
Stock dividends declared to preferred interests			(8)				(8)		(8)
Stock dvidends released to preferred interests			7				7		7
Cash distributions to noncontrolling interest								(13)	(13)
Stock-based compensation			23				23		23
Issuance of common stock in connection with stock-based plans and other			28				28		28
Reversal of deferred tax liability related to DHC's investment in DCH			5				5		5
Ending Balance at Dec. 31, 2009	2	3	6,600		(387)	(21)	6,197	23	6,220
Comprehensive income:
Net income					653		653	16	669
Foreign currency translation adjustments, net						(19)	(19)		(19)
Market value adjustments and reclassifications for securities and derivatives, net						7	7		7
Total comprehensive income							641	16	657
Stock dividends declared to preferred interests			(1)				(1)		(1)
Stock dvidends released to preferred interests			2				2		2
Repurchases of preferred stock			(234)		(266)		(500)		(500)
Repurchases of common stock				(105)			(105)		(105)
Cash distributions to noncontrolling interest								(31)	(31)
Stock-based compensation			42				42		42
Excess tax benefits from stock-based compensation			19				19		19
Issuance of common stock in connection with stock-based plans and other			47				47		47
Purchase of noncontrolling interest			(117)				(117)		(117)
Ending Balance at Dec. 31, 2010	2	3	6,358	(105)		(33)	6,225	8	6,233
Comprehensive income:
Net income					1,132		1,132	1	1,133
Foreign currency translation adjustments, net						10	10		10
Total comprehensive income							1,142	1	1,143
Repurchases of common stock				(997)			(997)		(997)
Cash distributions to noncontrolling interest								(7)	(7)
Stock-based compensation			59				59		59
Excess tax benefits from stock-based compensation			28				28		28
Issuance of common stock in connection with stock-based plans and other			60				60		60
Ending Balance at Dec. 31, 2011	$ 2	$ 3	$ 6,505	$ (1,102)	$ 1,132	$ (23)	$ 6,517	$ 2	$ 6,519

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Supplemental Disclosures (Schedule Of Accrued Liabilities) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Supplemental Disclosures [Abstract]
Accrued payroll and related benefits	$ 229	$ 214
Content rights payable	86	55
Accrued income taxes	38	29
Accrued other	129	95
Total accrued liabilities	$ 482	$ 393

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Content Rights (Schedule Of Content Rights) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Produced content rights:
Completed	$ 2,257	$ 1,963
In-production	221	229
Coproduced content rights:
Completed	491	446
In-production	80	76
Licensed content rights:
Acquired	346	297
Prepaid	21	19
Content rights, at cost	3,416	3,030
Accumulated amortization	(2,021)	(1,702)
Total content rights, net	1,395	1,328
Current portion	(93)	(83)
Noncurrent portion	$ 1,302	$ 1,245

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Commitments And Contingencies (Schedule Of Significant Contractual Commitments) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011
2012	$ 518
2013	228
2014	144
2015	74
2016	61
Thereafter	318
Total minimum payments	1,343
Less amounts representing interest	27
Total	1,316
Operating Lease [Member]
2012	64
2013	54
2014	50
2015	34
2016	31
Thereafter	73
Total minimum payments	306
Total	306
Capital Lease [Member]
2012	33
2013	18
2014	15
2015	14
2016	12
Thereafter	41
Total minimum payments	133
Less amounts representing interest	27
Total	106
Content [Member]
2012	250
2013	31
2014	29
2015	2
Total minimum payments	312
Total	312
Other [Member]
2012	171
2013	125
2014	50
2015	24
2016	18
Thereafter	204
Total minimum payments	592
Total	$ 592

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Content Rights (Tables)

12 Months Ended

Dec. 31, 2011

Content Rights [Abstract]

Schedule Of Content Rights

	As of December 31,
	2011			2010
Produced content rights:
Completed	$	2,257		$	1,963
In-production		221			229
Coproduced content rights:
Completed		491			446
In-production		80			76
Licensed content rights:
Acquired		346			297
Prepaid		21			19
Content rights, at cost		3,416			3,030
Accumulated amortization		(2,021	)		(1,702	)

Total content rights, net		1,395			1,328
Current portion		(93	)		(83	)
Noncurrent portion	$	1,302		$	1,245

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Goodwill And Intangible Assets (Amortization Expense For Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011
Goodwill And Intangible Assets [Abstract]
2012	$ 29
2013	26
2014	26
2015	26
2016	26
Thereafter	$ 273

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Income Taxes

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Income Taxes

NOTE 16. INCOME TAXES

The domestic and foreign components of income from continuing operations before income taxes were as follows (in millions).

		$1,559		$1,559		$1,559
	Year Ended December 31,
	2011		2010		2009
Domestic	$	1,011	$	568	$	744
Foreign		548		367		295
Income from continuing operations before income taxes	$	1,559	$	935	$	1,039

The components of the provision for income taxes were as follows (in millions).

		$1,559			$1,559			$1,559
	Year Ended December 31,
	2011			2010			2009
Current:
Federal	$	253		$	184		$	389
State and local taxes		38			30			41
Foreign		109			63			60
		400			277			490
Deferred:
Federal		15			8			(15	)
State and local taxes		13			5			(3	)
Foreign		(3	)		(2	)		(3	)
		25			11			(21	)
Provision for income taxes	$	425		$	288		$	469

In November 2011, the Company reorganized certain of its international operations to better align its functions and establish a regional ownership structure. The regional holding companies are foreign corporations whose earnings will not be taxed in the U.S. until the earnings are repatriated back to the U.S. The Company has not recorded a provision for deferred U.S. tax expense that could result from the remittance of such undistributed earnings since the Company intends to reinvest the earnings of these foreign subsidiaries indefinitely. The Company's share of the undistributed earnings of foreign corporations not included in its consolidated federal income tax returns that could be subject to additional income tax if remitted was approximately $181 million at December 31, 2011 and zero at December 31, 2010. The determination of the amount of unrecognized U.S. federal deferred income tax liability for undistributed earnings is not practicable.

As a result of the international reorganization, the Company has entered into intercompany license and royalty agreements with certain of its controlled foreign corporations to allow them the use of intangible property owned by the parent Company. The license fees will result in incremental U.S. tax expense, which will be recognized over the four-year estimated useful life of the intangible property. This incremental tax expense will be partially mitigated by the ability to utilize foreign tax credits resulting from foreign taxes which were paid in prior years. As a result, the Company recognized an income tax benefit of $112 million in the fourth quarter of 2011 related to the foreign tax credits, which were previously not considered realizable. Due to the lower statutory and negotiated tax rates in the foreign corporations' jurisdictions, the Company expects a favorable impact on the effective tax rate in the future under the new operating structure.

The differences between income taxes expected at the U.S. federal statutory income tax rate of 35% and the effective income tax rate were as follows.

	Year Ended December 31,
	2011			2010			2009
U.S. federal statutory income tax rate		35	%		35	%		35	%
State and local income taxes, net of federal income taxes		2	%		3	%		2	%
Change in valuation allowance affecting tax expense		—	%		—	%		(1	)%
Effect of foreign operations		(1	)%		—	%		—	%
Foreign tax credit benefit		(7	)%		—	%		—	%
Domestic production activity deductions		(2	)%		(3	)%		(2	)%
Non-deductible goodwill		(1	)%		—	%		11	%
Release of foreign tax reserve		—	%		(3	)%		—	%
Other, net		1	%		(1	)%		—	%
Effective income tax rate		27	%		31	%		45	%

Discovery's effective tax rate for 2011 differed from the federal statutory rate of 35% principally due to the recognition of $112 million net benefit for foreign tax credits as discussed above and production activity deductions, which were partially offset by state income taxes. The Company was not required to record a deferred tax liability of $21 million with respect to the portion of the outside basis in the OWN venture attributable to the nondeductible goodwill contributed to OWN.

The effective tax rate for 2010 differed from the federal statutory rate of 35% due primarily to the reversal of a $28 million previously established foreign tax reserve recorded in connection with the completion of a tax audit, and production activity deductions which were partially offset by state taxes.

The effective tax rate for 2009 differed from the federal income tax rate of 35% primarily due to a permanent difference on the $252 million gain from the U.S. Discovery Kids Transaction and state taxes, which were partially offset by deductions for production activities and the release of a valuation allowance of $12 million.

Components of deferred income tax assets and liabilities were as follows (in millions).

	As of December 31,
	2011			2010
Deferred income tax assets:
Accounts receivable	$	2		$	5
Tax attribute carry-forward		158			83
Unrealized loss on derivatives, investments and foreign currency translation adjustments		19			21
Property and equipment		—			23
Accrued liabilities and other		105			148
Total deferred income tax assets		284			280
Valuation allowance		(24	)		(13	)
Net deferred income tax assets		260			267
Deferred income tax liabilities:
Intangible assets		(158	)		(147	)
Content rights		(196	)		(183	)
Unrealized gains on investments		—			(38	)
Equity method investments		(132	)		(78	)
Notes receivable		(18	)		(20	)
Other		(20	)		(24	)
Total deferred income tax liabilities		(524	)		(490	)
Net deferred income tax liabilities	$	(264	)	$	(223	)

The Company's deferred income tax assets and liabilities were reported on the consolidated balance sheets as follows (in millions).

	As of December 31,
	2011			2010
Deferred income tax assets	$	73		$	81
Deferred income tax liabilities		(337	)		(304	)
Net deferred income tax liabilities	$	(264	)	$	(223	)

As of December 31, 2011, the Company had federal operating loss carry-forwards of $35 million that begin to expire in 2022, foreign tax credit carry-forwards of $214 million that will begin to expire at the end of 2012, and state operating loss carry-forwards of $669 million in various state jurisdictions that will begin to expire at the end of 2012. The deferred tax asset related to the state operating loss carry-forwards of $16 million is subject to a valuation allowance of $16 million. The use of the federal operating loss carry-forwards are subject to annual limitations.

A reconciliation of the beginning and ending amounts of unrecognized tax benefits (without related interest amounts) is as follows (in millions).

	Year Ended December 31,
	2011			2010			2009
Beginning balance	$	63		$	71		$	74
Additions based on tax positions related to the current year		15			10			2
Additions for tax positions of prior years		7			3			2
Reductions for tax positions of prior years		(20	)		—			(6	)
Settlements		(1	)		(26	)		(1	)
Reductions as result of statute lapse		(18	)		—			(1	)
Additions for foreign currency exchange rates		—			5			1
Ending balance	$	46		$	63		$	71

As of December 31, 2010, the Company's unrecognized tax benefit (excluding related interest expense) was $63 million. The balance decreased by $17 million (excluding related interest expense) during the year ended December 31, 2011 to $46 million. The reduction for tax positions of prior years was primarily a result of reductions of prior year unrecognized tax positions and statute lapse offset by an increase in U.S. and foreign tax reserve related to 2011.

The balances as of December 31, 2011, 2010 and 2009 included $35 million, $42 million and $53 million, respectively, of unrecognized tax benefits, that if recognized, would reduce the Company's income tax expense and effective tax rate after giving effect to interest deductions and offsetting benefits from other tax jurisdictions.

Discovery and its subsidiaries file U.S. federal, state, and foreign income tax returns. The Company is currently under examination by the Internal Revenue Service ("IRS") for its 2009 and 2008 consolidated federal income tax returns. The Company has not been advised of any material adjustments. With few exceptions, the Company is no longer subject to audit by the IRS, state tax authorities or foreign tax authorities for years prior to 2006. The IRS recently completed an examination of the 2006 and 2007 returns, with no significant adjustments.

It is reasonably possible that the total amount of unrecognized tax benefits related to tax positions could decrease by as much as $14 million within the next twelve months as a result of settlement of audit issues and/or payment of uncertain tax liabilities.

The Company's policy is to classify tax interest and penalties related to unrecognized tax benefits as tax expense. As of December 31, 2011, 2010 and 2009, the Company had accrued approximately $3 million, $6 million and $9 million, respectively, of total interest payable related to uncertain tax positions.

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Property And Equipment (Tables)

12 Months Ended

Dec. 31, 2011

Property And Equipment [Abstract]

Components Of Property And Equipment

	As of December 31,
	2011			2010
Land, buildings and leasehold improvements	$	290		$	284
Broadcast equipment		381			364
Capitalized software costs		178			170
Office equipment, furniture, fixtures and other		266			235
Property and equipment, at cost		1,115			1,053
Accumulated depreciation		(736	)		(654	)
Property and equipment, net	$	379		$	399

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Commitments And Contingencies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Commitments And Contingencies [Abstract]
Significant purchase obligations	30-day to 60-day
Specified future funding commitment maximum	$ 234
Funding through revolving loan and debt financing	209
Put right obligations	0	0
Guarantees to joint ventures	0	0
Material amounts for indemnifications or other contingencies	$ 0	$ 0

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Supplemental Disclosures

12 Months Ended

Dec. 31, 2011

Supplemental Disclosures [Abstract]

Supplemental Disclosures

NOTE 18. SUPPLEMENTAL DISCLOSURES

Valuation and Qualifying Accounts

Changes in valuation and qualifying accounts consisted of the following (in millions).

	Beginning of Year		Additions		Write-offs			Utilization			Other		End of Year
2011:
Allowance for doubtful accounts	$	13	$	2	$	(3	)	$	—		$	—	$	12
Deferred tax valuation allowance		13		11		—			—			—		24
2010:
Allowance for doubtful accounts		15		3		(6	)		—			1		13
Deferred tax valuation allowance		22		3		(9	)		(3	)		—		13
2009:
Allowance for doubtful accounts		16		4		(6	)		—			1		15
Deferred tax valuation allowance		32		1		—			(11	)		—		22

Other changes in the above table primarily include foreign currency translation adjustments.

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in millions).

	As of December 31,
	2011		2010
Tax receivable	$	44	$	116
Other		131		109
Total prepaid expenses and other current assets	$	175	$	225

Accrued Liabilities

Accrued liabilities consisted of the following (in millions).

	As of December 31,
	2011		2010
Accrued payroll and related benefits	$	229	$	214
Content rights payable		86		55
Accrued income taxes		38		29
Accrued other		129		95
Total accrued liabilities	$	482	$	393

Other (Expense) Income, Net

Other (expense) income, net consisted of the following (in millions).

	Year Ended December 31,
	2011			2010			2009
Unrealized gains (losses) on derivative instruments, net	$	2		$	13		$	26
Realized losses on derivative instruments, net		(3	)		(42	)		(6	)
Loss from equity investees		(35	)		(57	)		(24	)
Realized gains on sales of investments		—			—			15
Other, net		4			—			2
Total other (expense) income, net	$	(32	)	$	(86	)	$	13

During 2009, the Company sold an investment in equity securities for $22 million, which resulted in a pretax gain of $13 million. Approximately $6 million of the pretax gain was a reclassification of unrealized gains from other comprehensive income (loss).

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Debt (Parenthetical) (Details)	12 Months Ended		12 Months Ended			12 Months Ended		12 Months Ended
	Dec. 31, 2011 3.70% Senior Notes [Member]	Jun. 03, 2010 3.70% Senior Notes [Member]	Dec. 31, 2011 5.625% Senior Notes [Member]	Dec. 31, 2011 5.05% Senior Notes [Member]	Jun. 03, 2010 5.05% Senior Notes [Member]	Dec. 31, 2011 4.375% Senior Notes [Member]	Jun. 20, 2011 4.375% Senior Notes [Member]	Dec. 31, 2011 6.35% Senior Notes [Member]	Jun. 03, 2010 6.35% Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt, frequency of periodic payments	semi-annual interest		semi-annual interest	semi-annual interest		semi-annual interest		semi-annual interest
Long-term debt, stated interest rate	3.70%		5.625%	5.05%		4.375%		6.35%
Long-term debt, maturity date	June 2015	June 1, 2015	August 2019	June 2020	June 1, 2020	June 2021	June 15, 2021	June 2040	June 1, 2040

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Selected Quarterly Financial Data (Unaudited) (Parenthetical) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								8 Months Ended	12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Sep. 01, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Gains On Dispositions Excluding Discontinued Operations				$ 129						$ 129		$ 252
Tax On Gain				27
Restructuring charges	3	2	4	1	7	4		3		10	14	26
Stock Repurchased		9.79	5.64	4.73		1.12
Income tax benefit related to foreign tax credits	112
Reversal of foreign tax reserves								28
Losses on interest rate swaps							23	4
Loss on extinguishment of debt							136
Reversal of tax payable related to discontinued operations						12
Non cash impairment charge						11				20	11
Cash proceeds from discontinued operation									24
Gain on disposal of discontinued operation									$ 9
Series C Common Stock [Member]
Stock Repurchased	7.00				1.87
Series C Convertible Preferred Stock [Member]
Stock Repurchased					13.73

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Description Of Business And Basis Of Presentation

12 Months Ended

Dec. 31, 2011

Description Of Business And Basis Of Presentation [Abstract]

Description Of Business And Basis Of Presentation

NOTE 1. DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION

Description of Business

Discovery Communications, Inc. ("Discovery" or the "Company") is a leading nonfiction media and entertainment company that provides programming across multiple distribution platforms throughout the world and owns and operates a diversified portfolio of website properties and other digital media services. The Company also develops and sells curriculum-based education products and services as well as postproduction audio services in the U.S. and internationally. The Company classifies its operations in three segments: U.S. Networks, consisting principally of domestic cable and satellite television networks, websites and other digital media services; International Networks, consisting primarily of international cable and satellite television networks and websites; and Education and Other, consisting principally of curriculum-based education product and service offerings and postproduction audio services. Financial information for Discovery's reportable segments is discussed in Note 21.

Basis of Presentation

The consolidated financial statements include the accounts of Discovery, its majority-owned subsidiaries in which a controlling interest is maintained. Inter-company accounts and transactions between consolidated entities have been eliminated in consolidation.

Discontinued Operations

During 2010, the Company sold its Antenna Audio business and received a tax refund related to Ascent Capital Group ("ACG"), an entity spun off in 2008. (See Note 3.) The revenues and expenses of Antenna Audio and activity associated with ACG have been combined and reported as discontinued operations. The assets, liabilities and cash flows of discontinued operations were not material and, therefore, have not been separately reported as discontinued operations.

Reclassifications

Certain reclassifications have been made to the 2010 and 2009 amounts to conform to the 2011 financial information presentation. These reclassifications primarily result from the expansion of the types of revenue included in distribution revenue in the consolidated statements of operations for the year ended December 31, 2011. Distribution revenues now include fees charged for the right to view the Company's network branded content made available to customers through a variety of distribution platforms and viewing devices. The largest component of distribution revenue continues to be fees charged to cable, direct-to-home ("DTH") satellite and telecommunications service providers for distribution rights to Discovery's television networks. Distribution revenues also include fees charged for certain licensing arrangements, including those for digital streaming of library content, which totaled $109 million for the year ended December 31, 2011. These fees, which totaled $25 million and $21 million for the years ended December 31, 2010 and 2009, were previously classified as other revenue and have been reclassified to distribution revenue to conform to the current presentation.

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Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Treasury stock, at cost: Series C common stock, number of shares	30	3
Series A Preferred Stock [Member]
Preferred stock, par value	0.01	0.01
Preferred stock, shares authorized	75	75
Preferred stock, shares issued	71	71
Series C Preferred Stock [Member]
Preferred stock, par value	0.01	0.01
Preferred stock, shares authorized	75	75
Preferred stock, shares issued	57	57
Series A Common Stock [Member]
Common stock, par value	0.01	0.01
Common stock, shares authorized	1,700	1,700
Common stock, shares issued	142	138
Series B Convertible Common Stock [Member]
Common stock, par value	0.01	0.01
Common stock, shares authorized	100	100
Common stock, shares issued	7	7
Series C Common Stock [Member]
Common stock, par value	0.01	0.01
Common stock, shares authorized	2,000	2,000
Common stock, shares issued	142	142

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Derivative Financial Instruments

12 Months Ended

Dec. 31, 2011

Derivative Financial Instruments [Abstract]

Derivative Financial Instruments

NOTE 11. DERIVATIVE FINANCIAL INSTRUMENTS

The Company may use derivative financial instruments to modify its exposure to market risks from changes in interest rates and foreign exchange rates. The Company does not enter into or hold derivative financial instruments for speculative trading purposes. The Company may enter into spot, forward and option contracts that change in value as foreign currency exchange rates change. These contracts hedge forecasted foreign currency transactions in order to mitigate fluctuations in its earnings and cash flows. For its fixed rate debt, the Company may enter into variable interest rate swaps effectively converting fixed rate borrowings to variable rate borrowings indexed to LIBOR in order to reduce the amount of interest paid.

As a result of refinancing most of its debt in June 2010 (see Note 10), the Company discontinued hedge accounting for $1.8 billion notional amount of fixed interest rate swaps designated as cash flow hedges. The change in designation resulted in reclassifying losses of $27 million from accumulated other comprehensive loss on the consolidated balance sheets to other (expense) income, net on the consolidated statements of operations. In June 2010, fixed and variable interest rate swaps with a total notional amount of $1.8 billion either matured or were settled prior to maturity for which the Company paid $24 million. As of December 31, 2010, the notional amount and fair value of derivatives not designated as hedging instruments were $375 million and $2 million, respectively.

There were no derivative instruments designated for hedge accounting during 2011. The Company settled all remaining derivative instruments in 2011. The impact of these instruments on income was not material.

The following table presents the impact of derivative instruments on income and other comprehensive income (loss) (in millions).

			Year Ended December 31,
	Instrument Type		2011		2010
Derivatives designated as hedging instruments:
Amount recognized in other comprehensive income (loss), gross of tax		Interest rate contacts	$	—	$	(31	)
Amount reclassified from accumulated other comprehensive income (loss) into interest expense, net		Interest rate contacts	$	—	$	(18	)
Derivatives not designated as hedging instruments:
Amount recognized in other (expense) income, net		Interest rate contacts	$	—	$	(29	)

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Reportable Segments (Schedule Of Total Assets By Segment) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Total assets	$ 11,913	$ 11,019
U.S. Networks [Member]
Segment Reporting Information [Line Items]
Total assets	2,679	2,218
International Networks [Member]
Segment Reporting Information [Line Items]
Total assets	1,244	1,127
Education And Other [Member]
Segment Reporting Information [Line Items]
Total assets	68	74
Corporate And Inter-Segment Eliminations [Member]
Segment Reporting Information [Line Items]
Total assets	$ 7,922	$ 7,600

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Supplemental Disclosures (Schedule Of Prepaid Expenses And Other Current Assets) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Supplemental Disclosures [Abstract]
Tax receivable	$ 44	$ 116
Other	131	109
Total prepaid expenses and other current assets	$ 175	$ 225

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Net Income Per Share Available To Discovery Communications, Inc. Stockholders (Weighted Average Number Of Shares Outstanding) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2010		Sep. 30, 2010		Jun. 30, 2010		Mar. 31, 2010		Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net Income Per Share Available To Discovery Communications, Inc. Stockholders [Abstract]
Income from continuing operations, net of taxes	$ 337	[1],[2],[3],[4],[5]	$ 238	[1],[2],[3],[4],[5]	$ 254	[1],[2],[3],[4],[5]	$ 305	[1],[2],[3],[4],[5]	$ 200	[1],[10],[6],[7],[8],[9]	$ 164	[1],[10],[6],[7],[8],[9]	$ 110	[1],[10],[6],[7],[8],[9]	$ 173	[1],[10],[6],[7],[8],[9]	$ 1,134	$ 647	$ 570
Net income attributable to noncontrolling interests	1	[1],[2],[3],[4],[5]							6	[1],[10],[6],[7],[8],[9]	3	[1],[10],[6],[7],[8],[9]	3	[1],[10],[6],[7],[8],[9]	4	[1],[10],[6],[7],[8],[9]	(1)	(16)	(15)
Stock dividends to preferred interests													1	[1],[10],[6],[7],[8],[9]				(1)	(8)
Income from continuing operations available to Discovery Communications, Inc. stockholders																	1,133	630	547
(Loss) income from discontinued operations available to Discovery Communications, Inc. stockholders			(1)	[1],[2],[3],[4],[5]					(3)	[1],[10],[6],[7],[8],[9]	25	[1],[10],[6],[7],[8],[9]					(1)	22	(6)
Net income available to Discovery Communications, Inc. stockholders	$ 336	[1],[2],[3],[4],[5]	$ 237	[1],[2],[3],[4],[5]	$ 254	[1],[2],[3],[4],[5]	$ 305	[1],[2],[3],[4],[5]	$ 191	[1],[10],[6],[7],[8],[9]	$ 186	[1],[10],[6],[7],[8],[9]	$ 106	[1],[10],[6],[7],[8],[9]	$ 169	[1],[10],[6],[7],[8],[9]	$ 1,132	$ 652	$ 541
Weighted average shares outstanding - basic	391	[1],[2],[3],[4],[5]	398	[1],[2],[3],[4],[5]	406	[1],[2],[3],[4],[5]	409	[1],[2],[3],[4],[5]	422	[1],[10],[6],[7],[8],[9]	426	[1],[10],[6],[7],[8],[9]	426	[1],[10],[6],[7],[8],[9]	425	[1],[10],[6],[7],[8],[9]	401	425	423
Dilutive effect of equity awards																	4	4	2
Weighted average shares outstanding - diluted	393	[1],[2],[3],[4],[5]	401	[1],[2],[3],[4],[5]	410	[1],[2],[3],[4],[5]	414	[1],[2],[3],[4],[5]	428	[1],[10],[6],[7],[8],[9]	431	[1],[10],[6],[7],[8],[9]	431	[1],[10],[6],[7],[8],[9]	429	[1],[10],[6],[7],[8],[9]	405	429	425
Income per share from continuing operations available to Discovery Communications, Inc. stockholders:
Basic	$ 0.86	[1],[2],[3],[4],[5]	$ 0.60	[1],[2],[3],[4],[5]	$ 0.63	[1],[2],[3],[4],[5]	$ 0.75	[1],[2],[3],[4],[5]	$ 0.46	[1],[10],[6],[7],[8],[9]	$ 0.38	[1],[10],[6],[7],[8],[9]	$ 0.25	[1],[10],[6],[7],[8],[9]	$ 0.40	[1],[10],[6],[7],[8],[9]	$ 2.82	$ 1.48	$ 1.29
Diluted	$ 0.86	[1],[2],[3],[4],[5]	$ 0.59	[1],[2],[3],[4],[5]	$ 0.62	[1],[2],[3],[4],[5]	$ 0.74	[1],[2],[3],[4],[5]	$ 0.45	[1],[10],[6],[7],[8],[9]	$ 0.37	[1],[10],[6],[7],[8],[9]	$ 0.25	[1],[10],[6],[7],[8],[9]	$ 0.39	[1],[10],[6],[7],[8],[9]	$ 2.80	$ 1.47	$ 1.29
(Loss) income per share from discontinued operations available to Discovery Communications, Inc. stockholders:
Basic									$ (0.01)	[1],[10],[6],[7],[8],[9]	$ 0.06	[1],[10],[6],[7],[8],[9]						$ 0.05	$ (0.01)
Diluted									$ (0.01)	[1],[10],[6],[7],[8],[9]	$ 0.06	[1],[10],[6],[7],[8],[9]						$ 0.05	$ (0.01)
Net Income per share available to Discovery Communications, Inc. stockholders:
Basic	$ 0.86	[1],[2],[3],[4],[5]	$ 0.60	[1],[2],[3],[4],[5]	$ 0.63	[1],[2],[3],[4],[5]	$ 0.75	[1],[2],[3],[4],[5]	$ 0.45	[1],[10],[6],[7],[8],[9]	$ 0.44	[1],[10],[6],[7],[8],[9]	$ 0.25	[1],[10],[6],[7],[8],[9]	$ 0.40	[1],[10],[6],[7],[8],[9]	$ 2.82	$ 1.53	$ 1.28
Diluted	$ 0.86	[1],[2],[3],[4],[5]	$ 0.59	[1],[2],[3],[4],[5]	$ 0.62	[1],[2],[3],[4],[5]	$ 0.74	[1],[2],[3],[4],[5]	$ 0.45	[1],[10],[6],[7],[8],[9]	$ 0.43	[1],[10],[6],[7],[8],[9]	$ 0.25	[1],[10],[6],[7],[8],[9]	$ 0.39	[1],[10],[6],[7],[8],[9]	$ 2.80	$ 1.52	$ 1.27

[1] Income per share amounts for the quarters and full years have each been calculated separately. Accordingly, income per share amounts for a particular quarter may not sum. Additionally, quarterly amounts may not add to the annual amounts because of differences in the average common shares outstanding during each period and, with regard to diluted per common share amounts only, because of the inclusion of the effect of potentially dilutive securities only in the periods in which such effect would have been dilutive.

[2] The results of operations for the quarter ended March 31, 2011 include a pretax gain of $129 million related to the contribution of the domestic Discovery Health network to OWN LLC in connection with the launch of OWN on January 1, 2011. The gain resulted in $27 million of tax expense. (See Note 4.) Additionally, the Company incurred $1 million of restructuring charges and purchased 4.73 million shares of its Series C common stock.

[3] The results of operations for the quarter ended June 30, 2011 include $4 million of restructuring charges. Additionally, the Company repurchased 5.64 million shares of its Series C common stock.

[4] The results of operations for the quarter ended September 30, 2011 include $2 million of restructuring charges. Additionally the Company repurchased 9.79 million shares of its Series C common stock.

[5] The results of operations for the quarter ended December 31, 2011 include a $112 million income tax benefit related to foreign tax credits and $3 million of exit and restructuring charges. Additionally, the Company repurchased 7.00 million shares of its Series C common stock.

[6] The results of operations for the quarter ended March 31, 2010 include a $28 million reversal of foreign tax reserves, $4 million of losses on interest rate swaps, and $3 million of restructuring charges.

[7] The results of operations for the quarter ended June 30, 2010 include a $136 million loss on extinguishment of debt and $23 million of losses on interest rate swaps.

[8] The results of operations for the quarter ended September 30, 2010 include a $12 million reversal of a tax payable related to discontinued operations, an $11 million pretax noncash impairment charge related to goodwill, and $4 million of exit and restructuring charges. Additionally, the Company repurchased 1.12 million shares of its Series C common stock.

[9] On September 1, 2010, the Company sold its Antenna Audio business for net cash proceeds of $24 million, which resulted in a $9 million gain, net of taxes. The operating results of Antenna Audio have been reported as discontinued operations for all periods. Certain quarterly financial data in the above table vary from the amounts previously reported on the Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2010 due to subsequent presentation of Antenna Audio as discontinued operations.

[10] The results of operations for the quarter ended December 31, 2010 include $7 million of exit and restructuring charges. Additionally, the Company repurchased 1.87 million shares of its Series C common stock and 13.73 million shares of its Series C convertible preferred stock.

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Document And Entity Information (USD $) In Billions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Jun. 30, 2011	Feb. 10, 2012 Series A Common Stock [Member]	Feb. 10, 2012 Series B Convertible Common Stock [Member]	Feb. 10, 2012 Series C Common Stock [Member]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2011
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	FY
Trading Symbol	DISCA
Entity Registrant Name	Discovery Communications, Inc.
Entity Central Index Key	0001437107
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding			142,516,019	6,570,067	109,426,484
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	Yes
Entity Public Float		$ 10

XML

Equity

12 Months Ended

Dec. 31, 2011

Equity [Abstract]

Equity

NOTE 12. EQUITY

Common Stock

The Company has three series of common stock authorized, issued and outstanding as of December 31, 2011: Series A common stock, Series B convertible common stock ("Series B common stock") and Series C common stock. Holders of these three series of common stock have equal rights, powers and privileges, except as otherwise noted. Holders of Series A common stock are entitled to one vote per share and holders of Series B common stock are entitled to ten votes per share on all matters voted on by stockholders, except for directors to be elected by holders of the Company's Series A convertible preferred stock. Holders of Series C common stock are not entitled to any voting rights, except as required by Delaware law. Generally, holders of Series A common stock and Series B common stock and Series A convertible preferred stock vote as one class, except for certain preferential rights afforded to holders of Series A convertible preferred stock.

Holders of Series A common stock, Series B common stock and Series C common stock will participate equally in cash dividends if declared by the Board of Directors, subject to preferential rights of outstanding preferred stock.

Each share of Series B common stock is convertible, at the option of the holder, into one share of Series A common stock. Series A and Series C common stock are not convertible.

Generally, distributions made in shares of Series A common stock, Series B common stock or Series C common stock will be made proportionally to all common stockholders. In the event of a reclassification, subdivision or combination of any series of common stock, the shares of the other series of common stock will be equally reclassified, subdivided or combined.

In the event of a liquidation, dissolution, or winding up of Discovery, after payment of Discovery's debts and liabilities and subject to preferential rights of outstanding preferred stock, holders of Series A common stock, Series B common stock and Series C common stock and holders of Series A and Series C preferred stock will share equally in any assets available for distribution to holders of common stock.

Preferred Stock

The Company has two series of preferred stock authorized, issued and outstanding as of December 31, 2011: Series A convertible preferred stock and Series C convertible preferred stock. In addition to the 150 million shares authorized for Series A and Series C convertible preferred stock (75 million for each series) disclosed on the consolidated balance sheets, the Company has authorized 50 million shares of preferred stock that are undesignated and issuable in accordance with the provisions of the Company's charter. As of December 31, 2011, all outstanding shares of Series A and Series C convertible preferred stock are held by Advance/Newhouse Programming Partnership ("Advance/Newhouse").

Holders of Series A and Series C convertible preferred stock have equal rights, powers and privileges, except as otherwise noted. Except for the election of common stock directors, the holders of Series A convertible preferred stock are entitled to vote on matters to which holders of Series A and Series B common stock are entitled to vote and holders of Series C convertible preferred stock are entitled to vote on matters to which holders of Series C common stock are entitled to vote pursuant to Delaware law. Series A convertible preferred stockholders vote on an as converted to common stock basis together with the Series A and Series B common stock as a single class on all matters except the election of directors. Additionally, through its ownership of the Series A and Series C convertible preferred stock, Advance/Newhouse has special voting rights on certain matters and the right to elect three directors. Holders of the Company's common stock are not entitled to vote in the election of such directors. Advance/Newhouse retains these rights so long as it or its permitted transferees own or have the right to vote such shares that equal at least 80% of the shares of Series A convertible preferred stock issued to Advance/Newhouse in connection with the formation of Discovery plus any Series A convertible preferred stock released from escrow, as may be adjusted for certain capital transactions (the "Base Amount").

Subject to the prior preferences and other rights of any senior stock, holders of Series A and Series C convertible preferred stock will participate equally with common stockholders on an as converted to common stock basis in any cash dividends declared by the Board of Directors.

Each share of Series A and Series C convertible preferred stock is convertible, at the option of the holder, into one share of Series A or Series C common stock, respectively, subject to anti-dilution adjustments. Generally, each share of Series A and Series C convertible preferred stock will automatically convert into the applicable series of common stock if such shares are transferred from Advance/Newhouse to a third-party and such transfer is not a permitted transfer. Additionally, all of the outstanding Series A and Series C convertible preferred stock will automatically convert into the applicable series of common stock at such time as the number of outstanding shares of Series A convertible preferred stock is less than 80% of the Base Amount. Additionally, the Company and Advance/Newhouse are parties to an escrow agreement that entitles Advance/Newhouse to additional shares of Series A or Series C convertible preferred stock in the event the Company issues common stock to settle the exercise of stock options and stock appreciation rights that the Company assumed in connection with the formation of Discovery on September 17, 2008. The Company initially placed approximately 1.6 million shares of Series A and Series C convertible preferred stock (approximately 800,000 for each series) into an escrow account pursuant to this agreement. The Company records a noncash stock dividend when the additional shares of preferred stock become due to Advance/Newhouse. The dividend recorded for each preferred share due to Advance/Newhouse is measured at the fair value of the Series A or Series C convertible preferred stock on September 17, 2008, which is the date Discovery was formed and entered into the obligation to contingently issue additional preferred shares to Advance/Newhouse.

In the event of a liquidation, dissolution or winding up of Discovery, after payment of Discovery's debts and liabilities and subject to the prior payment with respect to any stock ranking senior to Series A and Series C convertible preferred stock, the holders of Series A and Series C convertible preferred stock will receive, before any payment or distribution is made to the holders of any common stock or other junior stock, an amount (in cash or property) equal to $0.01 per share. Following payment of such amount and the payment in full of all amounts owing to the holders of securities ranking senior to Discovery's common stock, holders of Series A and Series C convertible preferred stock will share equally on an as converted to common stock basis with the holders of common stock any assets remaining for distribution to such holders.

In connection with the formation of Discovery on September 17, 2008, the Company issued 70 million and 70 million shares of its Series A convertible preferred stock and Series C convertible preferred stock, respectively, to Advance/Newhouse.

Stock Repurchase Program

On August 3, 2010, the Company implemented a stock repurchase program with authorization to purchase up to $1.0 billion of its common stock. On July 27, 2011, the Company's Board of Directors authorized the Company to purchase up to an additional $1.0 billion of its common stock under this stock repurchase program. In total, the Company has been authorized to purchase $2.0 billion of its common stock under its repurchase program. The repurchase program has no expiration date. During 2011, the Company repurchased 27 million shares of its Series C common stock for an aggregate purchase price of $997 million through open market transactions. During 2010, the Company repurchased 3 million shares of its Series C common stock for an aggregate purchase price of $105 million through open market transactions. The repurchases made during 2011 and 2010 were funded using cash on hand. As of December 31, 2011, the Company had remaining authorization of $898 million for future repurchases of its common stock. The stock repurchases were recorded in a separate account at cost, which was reported as a reduction in equity.

Preferred Stock Repurchase

On December 13, 2010, the Company repurchased and retired approximately 13.73 million shares of its Series C convertible preferred stock from Advance/Newhouse for an aggregate purchase price of $500 million. The repurchase was made outside of the Company's publicly announced stock repurchase program. The $500 million aggregate purchase price was recorded as a decrease of $100,000 to par value, $234 million to additional paid-in capital, and $266 million to retained earnings, because the additional paid-in capital related to the series of shares repurchased was reduced to zero.

Stock Dividends to Preferred Interests

The Company declared noncash stock dividends of $1 million and $8 million to its preferred stock shareholder during 2010 and 2009, respectively. The Company released approximately 43,000 and 254,000 of its Series A common stock and approximately 60,000 and 211,000 of its Series C common stock from escrow during 2010 and 2009, respectively, in payment of most of the dividends declared. The Company is contractually obligated to issue the dividends upon the issuance of its common stock to settle the exercise of stock options and stock appreciation rights that it assumed in connection with its formation on September 17, 2008. No stock dividends were declared during 2011.

Other Comprehensive Income (Loss)

The tax effects related to each component of other comprehensive income (loss) were as follows (in millions).

	Before-tax Amount			Tax (Expense) Benefit			Net-of-tax Amount
Year ended December 31, 2009:
Foreign currency translation adjustments	$	42		$	(15	)	$	27
Market value adjustments and reclassifications for securities and derivatives		47			(17	)		30
Other comprehensive income	$	89		$	(32	)	$	57
Year ended December 31, 2010:
Foreign currency translation adjustments	$	(30	)	$	11		$	(19	)
Market value adjustments and reclassifications for securities and derivatives		11			(4	)		7
Other comprehensive loss	$	(19	)	$	7		$	(12	)
Year ended December 31, 2011:
Foreign currency translation adjustments	$	15		$	(5	)	$	10
Other comprehensive income	$	15		$	(5	)	$	10

The components of accumulated other comprehensive loss were as follows (in millions).

	As of December 31,
	2011			2010			2009
Foreign currency translation adjustments, net	$	(29	)	$	(39	)	$	(20	)
Market value adjustments and reclassifications for securities and derivatives, net		6			6			(1	)
Ending balance	$	(23	)	$	(33	)	$	(21	)

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Retirement Savings Plans (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Defined Benefit Plan Disclosure [Line Items]
Employer matching contributions	$ 14	$ 13	$ 15
Maximum percentage of compensation to SRP	50
Separate Trust And Deferred Compensation Obligation [Member]
Defined Benefit Plan Disclosure [Line Items]
Rabbi Trust and deferred compensation obligation	$ 76	$ 55

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Net Income Per Share Available To Discovery Communications, Inc. Stockholders (Narrative) (Details) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Preferred shares excluded from diluted EPS	1	1	1
Shares authorized for DESPP	5
Dilutive effect of equity awards	4	4	2
PRSUs [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from computation of earnings per share, amount	1	1
Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from computation of earnings per share, amount	1	3	2
Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from computation of earnings per share, amount			1

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Consolidated Statements Of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenues:
Distribution	$ 2,070	$ 1,832	$ 1,719
Advertising	1,852	1,645	1,427
Other	313	296	312
Total revenues	4,235	3,773	3,458
Costs and expenses:
Costs of revenues, excluding depreciation and amortization	1,233	1,073	1,044
Selling, general and administrative	1,183	1,185	1,188
Depreciation and amortization	119	130	152
Restructuring and impairment charges	30	25	52
Gain on dispositions	(129)		(252)
Total costs and expenses	2,436	2,413	2,184
Operating income	1,799	1,360	1,274
Interest expense, net	(208)	(203)	(248)
Loss on extinguishment of debt		(136)
Other (expense) income, net	(32)	(86)	13
Income from continuing operations before income taxes	1,559	935	1,039
Provision for income taxes	(425)	(288)	(469)
Income from continuing operations, net of taxes	1,134	647	570
(Loss) income from discontinued operations, net of taxes	(1)	22	(6)
Net income	1,133	669	564
Net income attributable to noncontrolling interests	(1)	(16)	(15)
Net income attributable to Discovery Communications, Inc.	1,132	653	549
Stock dividends to preferred interests		(1)	(8)
Net income available to Discovery Communications, Inc. stockholders	$ 1,132	$ 652	$ 541
Income per share from continuing operations available to Discovery Communications, Inc. stockholders:
Basic	$ 2.82	$ 1.48	$ 1.29
Diluted	$ 2.80	$ 1.47	$ 1.29
(Loss) income per share from discontinued operations available to Discovery Communications, Inc. stockholders:
Basic		$ 0.05	$ (0.01)
Diluted		$ 0.05	$ (0.01)
Net income per share available to Discovery Communications, Inc. stockholders:
Basic	$ 2.82	$ 1.53	$ 1.28
Diluted	$ 2.80	$ 1.52	$ 1.27
Weighted average shares outstanding:
Basic	401	425	423
Diluted	405	429	425

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Fair Value Measurements

12 Months Ended

Dec. 31, 2011

Fair Value Measurements [Abstract]

Fair Value Measurements

NOTE 6. FAIR VALUE MEASUREMENTS

Fair value is defined as the amount that would be received for selling an asset or paid to transfer a liability in an orderly transaction between market participants. Assets and liabilities carried at fair value are classified in the following three categories:

Level 1	–	Quoted prices for identical instruments in active markets.
Level 2	–	Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets.
Level 3	–	Valuations derived from valuation techniques in which one or more significant inputs are unobservable.

Assets and liabilities measured at fair value on a recurring basis consisted of the following (in millions).

		December 31, 2011
Category	Balance Sheet Location	Level 1		Level 2		Level 3		Total
Assets:
Trading securities:
Mutual funds	Prepaid expenses and other current assets	$	76	$	—	$	—	$	76
Available-for-sale securities:
Money market mutual funds	Cash and cash equivalents		635		—		—		635
Total assets		$	711	$	—	$	—	$	711
Liabilities:
Deferred compensation plan	Accrued liabilities	$	76	$	—	$	—	$	76
Total liabilities		$	76	$	—	$	—	$	76

		December 31, 2010
Category	Balance Sheet Location	Level 1		Level 2		Level 3		Total
Assets:
Trading securities:
Mutual funds	Prepaid expenses and other current assets	$	55	$	—	$	—	$	55
Available-for-sale securities:
Money market mutual funds	Cash and cash equivalents		172		—		—		172
U.S. Treasury securities	Cash and cash equivalents		—		200		—		200
Other	Cash and cash equivalents		—		3		—		3
Total assets		$	227	$	203	$	—	$	430
Liabilities:
Deferred compensation plan	Accrued liabilities	$	55	$	—	$	—	$	55
Other	Other current liabilities		—		6		—		6
Total liabilities		$	55	$	6	$	—	$	61

Trading securities are comprised of investments in mutual funds held in a separate trust, which are owned as part of the Company's deferred compensation plan. The fair value of Level 1 trading securities was determined by reference to the quoted market price per unit in active markets multiplied by the number of units held without consideration of transaction costs. The fair value of the related deferred compensation plan liability was determined based on the fair value of the related investments elected by employees.

Available-for-sale securities represent investments in highly liquid instruments with original maturities of 90 days or less. The fair value of Level 1 available-for-sale securities was determined by reference to the quoted market price per unit in active markets multiplied by the number of units held without consideration of transaction costs. The fair value of available-for-sale securities classified in Level 2 was determined by reference to the quoted market price per unit in markets that are not active multiplied by the number of units held without consideration of transaction costs.

In addition to the financial instruments listed in the tables above, the Company holds other financial instruments, including cash, accounts receivable, accounts payable, and debt. The carrying values for cash, accounts receivable, and accounts payable approximated their fair values. The estimated fair value of the Company's outstanding senior notes using quoted market prices was $4.6 billion and $3.7 billion as of December 31, 2011 and 2010, respectively.

During 2010, the Company purchased $49 million level 3 redeemable noncontrolling interests in connection with the acquisition of BBC Worldwide's interests in certain ventures. No gain or loss was recorded for the redemption of this noncontrolling interest. (See Note 3.)

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Investments

12 Months Ended

Dec. 31, 2011

Investments [Abstract]

Investments

NOTE 5. INVESTMENTS

The Company's investments consisted of the following (in millions).

		As of December 31,
	Balance Sheet Location	2011		2010
Trading securities:
Mutual funds	Prepaid expenses and other current assets	$	76	$	55
Available-for-sale securities:
Money market mutual funds	Cash and cash equivalents		635		172
U.S. Treasury securities	Cash and cash equivalents		—		200
Other	Cash and cash equivalents		—		3
Equity method investments	Equity method investments		807		455
Total investments		$	1,518	$	885

Trading Securities

Trading securities include investments in mutual funds held in a separate trust, which are owned as part of the Company's supplemental retirement plan. (See discussion in Note 14.)

Equity Method Investments

Equity method investments principally include ownership interests in unconsolidated ventures determined to be VIEs. All equity method investees are privately owned. The carrying values of the Company's equity-method investments are consistent with its ownership in the underlying net assets of the investees. The carrying values of equity method investments increased as a result of additional funding provided and interest earnings recorded on the note receivable from OWN and the $273 million step-up for the disposition of the Discovery Health network and retained equity interest in OWN. (See Note 4). These increases were partially offset by losses and dividends from equity method investments.

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Net Income Per Share Available To Discovery Communications, Inc. Stockholders

12 Months Ended

Dec. 31, 2011

Net Income Per Share Available To Discovery Communications, Inc. Stockholders [Abstract]

Net Income Per Share Available To Discovery Communications, Inc. Stockholders

NOTE 17. NET INCOME PER SHARE AVAILABLE TO DISCOVERY COMMUNICATIONS, INC. STOCKHOLDERS

The following table presents a reconciliation of income and weighted average number of shares outstanding between basic and diluted income per share (in millions, except per share amounts).

	Year Ended December 31,
	2011			2010			2009
Numerator:
Income from continuing operations, net of taxes	$	1,134		$	647		$	570
Less:
Net income attributable to noncontrolling interests		(1	)		(16	)		(15	)
Stock dividends to preferred interests		—			(1	)		(8	)
Income from continuing operations available to Discovery Communications, Inc. stockholders		1,133			630			547
(Loss) income from discontinued operations available to Discovery Communications, Inc. stockholders		(1	)		22			(6	)
Net income available to Discovery Communications, Inc. stockholders – basic and diluted	$	1,132		$	652		$	541
Denominator:
Weighted average shares outstanding – basic		401			425			423
Dilutive effect of equity awards		4			4			2
Weighted average shares outstanding – diluted		405			429			425
Income (Loss) Per Share:
Income per share from continuing operations available to Discovery Communications, Inc. stockholders:
Basic	$	2.82		$	1.48		$	1.29
Diluted	$	2.80		$	1.47		$	1.29
(Loss) income per share from discontinued operations available to Discovery Communications, Inc. stockholders:
Basic	$	—		$	0.05		$	(0.01	)
Diluted	$	—		$	0.05		$	(0.01	)
Net income per share available to Discovery Communications, Inc. stockholders:
Basic	$	2.82		$	1.53		$	1.28
Diluted	$	2.80		$	1.52		$	1.27

Income per share amounts may not sum since each is calculated independently.

Income per share is calculated by dividing the applicable income available to Discovery Communications, Inc. stockholders by the weighted average number of shares outstanding. Diluted income per share adjusts basic income per share for the dilutive effect of the assumed exercise of outstanding stock options and stock-settled SARs and the vesting of outstanding service based RSUs, using the treasury stock method. Diluted income per share also adjusts basic income per share for the dilutive effect of the assumed vesting of outstanding PRSUs or other contingently issuable shares that would be issued under the respective arrangements assuming the last day of the most recent fiscal period was the end of the contingency period.

At December 31, 2011 and 2010, the weighted average number of basic and diluted shares outstanding included the Company's outstanding Series A, Series B, and Series C common stock, as well as its outstanding Series A and Series C convertible preferred stock, as the holder of each common and preferred series legally participates equally in any per share distributions.

For the year ended December 31, 2011, the computation of diluted income per share excluded 1 million options because their inclusion would have been anti-dilutive. For the year ended December 31, 2011, the computation of diluted income per share excluded 1 million PRSUs because their performance targets were not achieved. Additionally for the year ended December 31, 2011, the computation of diluted income per share excluded 1 million contingently issuable preferred shares for which specific release criteria were not met.

For the year ended December 31, 2010, the computation of diluted income per share excluded 3 million options because their inclusion would have been anti-dilutive. For the year ended December 31, 2010, the computation of diluted income per share excluded 1 million PRSUs because their performance targets were not achieved. Additionally for the year ended December 31, 2010, the computation of diluted income per share excluded 1 million contingently issuable preferred shares for which specific release criteria were not met.

Diluted income per share for 2009 excluded 2 million anti-dilutive stock options and 1 million contingently issuable preferred shares because the specific release criteria were not met.

Employee Stock Purchase Program

The Company's Board of Directors has authorized 5 million shares of the Company's common stock to be issued under the DESPP as discussed in Note 13. The initial offering period for the DESPP began on November 16, 2011, and ended on February 14, 2012. No DESPP shares have been included in the computation of diluted income per share based on their limited impact. (See discussion in Note 13.)

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Stock-Based Compensation

12 Months Ended

Dec. 31, 2011

Stock-Based Compensation [Abstract]

Stock-Based Compensation

NOTE 13. STOCK-BASED COMPENSATION

The Company has various incentive plans under which unit awards, SARs, stock options, PRSUs and RSUs have been issued. As of December 31, 2011, the Company has reserved a total of 40 million shares of its Series A and Series C common stock for future exercises of outstanding and future grants of stock options and vesting of outstanding and future grants of PRSUs and RSUs. Upon exercise of stock options or vesting of PRSUs and RSUs, the Company issues new shares from its existing authorized but unissued shares. There were 24 million shares of common stock available in reserves that were available for future grant under the incentive plans as of December 31, 2011.

Stock-Based Compensation Expense

Stock-based compensation expense was as follows (in millions).

	Year Ended December 31,
	2011		2010		2009
Unit awards	$	39	$	127	$	143
SARs		1		13		61
Stock options		36		30		22
PRSUs and RSUs		23		12		1
Other		—		—		1
Total stock-based compensation expense	$	99	$	182	$	228
Tax benefit recognized	$	37	$	68	$	80

Compensation expense for all awards was recorded in selling, general and administrative expense on the consolidated statements of operations. As of December 31, 2011 and 2010, the Company recorded total liabilities of $37 million and $125 million, respectively, for cash-settled awards. The current portion of the liability for cash-settled awards was $27 million and $118 million as of December 31, 2011 and 2010, respectively.

Stock-Based Award Activity

Unit Awards

Unit award activity for 2011 was as follows (in millions, except weighted average grant price and years).

	Unit Awards			Weighted- Average Grant Price		Weighted- Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding as of December 31, 2010		8.8		$	21.98
Granted		2.3			41.17
Settled		(5.4	)		20.61			$	125
Forfeited		(0.2	)		21.74
Outstanding as of December 31, 2011		5.5		$	31.44		1.02	$	55
Vested and expected to vest as of December 31, 2011		5.3		$	31.40		1.01	$	53

Unit awards represent the contingent right to receive a cash payment for the amount by which the vesting price exceeds the grant price. Because unit awards are cash-settled, the Company remeasures the fair value and compensation expense of outstanding unit awards each reporting date until settlement. The vesting price is the average closing price of the Company's Series A common stock over the 10 trading days immediately preceding and including the vesting date and the 10 trading days immediately subsequent to the vesting date. The grant price is based on the average closing price of the Company's Series A common stock over the 10 trading days immediately preceding and including the grant date and the 10 trading days immediately following the grant date. For certain awards the average grant price and average vesting price include a premium. Unit awards vest ratably in increments of 25% per year over four years beginning one year from the grant date based on continuous service and are generally settled within sixty days of vesting. Unit awards generally provide for accelerated vesting upon retirement or after reaching a specified age and years of service. The Company made cash payments totaling $125 million, $101 million and $58 million during 2011, 2010 and 2009, respectively, to settle vested unit awards. As of December 31, 2011, there was $33 million of unrecognized compensation cost, net of estimated forfeitures, related to unit awards, which is expected to be recognized over a weighted-average period of 1.81 years. Of the 5.5 million unit awards unvested as of December 31, 2011, 2.4 million and 1.5 million are scheduled to vest during 2012 and 2013, respectively.

The fair value of outstanding unit awards is estimated using the Black-Scholes option-pricing model. The weighted-average assumptions used to determine the fair value of outstanding unit awards were as follows.

	As of December 31,
	2011			2010
Risk-free interest rate		0.19	%		0.39	%
Expected term (years)		1.02			0.80
Expected volatility		32.84	%		28.97	%
Dividend yield		—			—

The weighted-average fair value of unit awards outstanding as of December 31, 2011 and 2010 was $12.61 and $23.35, respectively, per unit award.

SARs

SARs entitle the holder to receive a cash payment for the amount by which the price of the Company's Series A common stock exceeds the base price established on the grant date. SARs are granted with a base price equal to or greater than the closing market price of the Company's Series A common stock on the date of grant.

There were immaterial amounts of SARs outstanding as of December 31, 2011 and 2010. The Company made cash payments in 2011, 2010 and 2009, totaling $1 million, $55 million and $23 million, respectively, to settle exercised SARs.

Stock Options

Stock option activity for 2011 was as follows (in millions, except weighted average exercise price and years).

	Stock Options			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding as of December 31, 2010		15.7		$	19.26
Granted		1.8			38.61
Exercised		(3.7	)		16.30			$	99
Forfeited		(1.1	)		23.93
Outstanding as of December 31, 2011		12.7		$	22.52		4.92	$	236
Vested and expected to vest as of December 31, 2011		12.5		$	22.46		5.08	$	232
Exercisable as of December 31, 2011		5.1		$	18.22		5.29	$	116

Stock options are granted with an exercise price equal to or in excess of the closing market price of the Company's Series A common stock on the date of grant. Substantially all stock options vest ratably either in increments of approximately 33 1/3% each year over three years or in 25% increments each year over four years beginning one year from the grant date based on continuous service and expire three to ten years from the date of grant. Stock option awards generally provide for accelerated vesting upon retirement or after reaching a specified age and years of service. The Company received cash payments totaling $60 million, $47 million and $28 million during 2011, 2010 and 2009, respectively, from the exercise of stock options. As of December 31, 2011, there was $50 million of unrecognized compensation cost, net of expected forfeitures, related to stock options, which is expected to be recognized over a weighted-average period of 1.37 years.

The fair value of stock options is estimated using the Black-Scholes option-pricing model. The weighted-average assumptions used to determine the fair value of stock options as of the date of grant during 2011, 2010 and 2009 were as follows.

	Year Ended December 31,
	2011			2010			2009
Risk-free interest rate		1.53	%		2.08	%		1.70	%
Expected term (years)		4.98			4.99			3.71
Expected volatility		40.17	%		38.27	%		45.60	%
Dividend yield		—			—			—

The weighted-average grant date fair value of options granted during 2011, 2010 and 2009 was $14.32, $13.03 and $6.45, respectively, per option. The total intrinsic value of options exercised during 2011, 2010, and 2009 was $99 million, $76 million, and $25 million, respectively.

PRSUs and RSUs

PRSU and RSU activity for 2011 was as follows (in millions, except weighted average grant price and years).

	PRSUs and RSUs			Weighted- Average Grant Price		Weighted- Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding as of December 31, 2010		1.5		$	32.66
Granted		1.0			38.88
Converted		—			—
Forfeited		(0.3	)		34.32
Outstanding as of December 31, 2011		2.2		$	35.48		1.87	$	88
Vested and expected to vest as of December 31, 2011		2		$	35.47		1.87	$	83

The Company has granted PRSUs to certain senior level executives. PRSUs represent the contingent right to receive shares of the Company's Series A common stock, substantially all of which vest over three to four years based on continuous service and whether the Company achieves certain operating performance targets. The performance targets for substantially all PRSUs are cumulative measures of the Company's adjusted operating income before depreciation and amortization (as defined in Note 21), free cash flows and revenues over a three year period. The number of PRSUs that vest principally range from 0% to 100% based on a sliding scale where achieving or exceeding the performance target will result in 100% of the PRSUs vesting and achieving less than 80% of the target will result in no portion of the PRSUs vesting. Additionally, for certain PRSUs the Company's Compensation Committee has discretion in determining the final amount of units that vest. Upon vesting, each PRSU becomes convertible into a share of the Company's Series A common stock on a one-for-one basis. Holders of PRSUs would not receive payments or accruals of dividends or dividend equivalents in the event the Company was to pay regular cash dividends until such PRSUs are converted into shares of the Company's common stock.

The Company records compensation expense for PRSUs ratably over the longer of the service period or performance period when management estimates it is probable that the performance targets will be achieved. If the Company determines that achievement of the performance targets is not probable, the Company ceases recording compensation expense and all previously recognized compensation expense for the award is reversed in the period in which the Company makes its determination.

Compensation expense is separately recorded for each vesting tranche of PRSUs for a particular grant. For most PRSUs, the Company measures the fair value and related compensation cost based on the closing price of the Company's Series A common stock on the grant date. For PRSUs for which the Company's Compensation Committee has discretion in determining the final amount of units that vest, compensation cost is remeasured at each reporting date based on the closing price of the Company's Series A common stock.

As of December 31, 2011, there were approximately 1 million outstanding PRSUs with a weighted average grant price of $35.49. As of December 31, 2011, there was $29 million of unrecognized compensation cost, net of expected forfeitures, related to PRSUs, which is expected to be recognized over a weighted-average period of 1.59 years based on the Company's current assessment of the PRSUs that will vest, which may differ from actual results.

RSUs vest ratably each year over periods of one to four years based on continuous service. As of December 31, 2011, there were approximately 1 million outstanding RSUs with a weighted-average grant price of $35.44. There was $15 million of unrecognized compensation cost, net of expected forfeitures as of December 31, 2011, related to RSUs, which is expected to be recognized over a weighted-average period of 2.57 years.

Employee Stock Purchase Plan

On May 17, 2011, the Company's stockholders approved the DESPP, which enables eligible employees to purchase shares of the Company's common stock through payroll deductions or other permitted means. Unless otherwise determined by the Company's Compensation Committee, the purchase price for shares offered under the DESPP is 85% of the closing price of the Company's Series A common stock on the purchase date. The Company recognizes the fair value of the discount associated with shares purchased under the plan as stock-based compensation expense. The initial offering period for the DESPP began on November 16, 2011 and ended on February 14, 2012. Stock-based compensation expense related to the initial offering was recorded in selling, general and administrative expense for the year ended December 31, 2011. The Company's Board of Directors has authorized 5 million shares of the Company's common stock to be issued under the DESPP. No shares were issued under the DESPP during the year ended 2011.

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Income Taxes (Schedule Of Components Of Income From Continuing Operations Before Income Taxes) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Taxes [Abstract]
Domestic	$ 1,011	$ 568	$ 744
Foreign	548	367	295
Income from continuing operations before income taxes	$ 1,559	$ 935	$ 1,039

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Goodwill And Intangible Assets

12 Months Ended

Dec. 31, 2011

Goodwill And Intangible Assets [Abstract]

Goodwill And Intangible Assets

NOTE 9. GOODWILL AND INTANGIBLE ASSETS

Goodwill

Changes in the carrying value of goodwill, by reportable segment, were as follows (in millions).

	U.S. Networks			International Networks			Education and Other			Total
Balance as of December 31, 2009	$	5,135		$	1,271		$	27		$	6,433
Acquisitions		—			13			—			13
Impairments		—			—			(11	)		(11	)
Foreign currency translation and other adjustments		—			(4	)		3			(1	)
Balance as of December 31, 2010		5,135			1,280			19			6,434
Acquisitions		—			14			—			14
Dispositions		(136	)		—			—			(136	)
Impairments		(20	)		—			—			(20	)
Foreign currency translation and other adjustments		—			(1	)		—			(1	)
Balance as of December 31, 2011	$	4,979		$	1,293		$	19		$	6,291

During 2011, goodwill decreased $136 million due to the contribution of the Discovery Health network to OWN (see Note 4) and $20 million for impairment at the Commerce reporting unit, offset by $14 million of additional goodwill for business acquisitions (see Note 3).

During 2010, goodwill increased $13 million due to goodwill acquired in connection with the acquisition of an uplink facility (see Note 3), partially offset by an $11 million impairment of goodwill at the Education and Other segment related to the Company's postproduction audio business.

The carrying amount of goodwill at the U.S. Networks segment included accumulated impairment of $20 million at December 31, 2011. The carrying amount of goodwill at the Education and Other segment included accumulated impairment of $11 million at December 31, 2011 and December 31, 2010.

Intangible Assets

Intangible assets consisted of the following (in millions, except years).

	Weighted Average Amortization Period (Years)		As of December 31, 2011							As of December 31, 2010
			Gross		Accumulated  Amortization			Net		Gross		Accumulated Amortization			Net
Intangible assets subject to amortization:
Trademarks		7	$	31	$	(26	)	$	5	$	32	$	(22	)	$	10
Customer relationships		25		513		(113	)		400		524		(99	)		425
Other		5		3		(2	)		1		6		(4	)		2
Total				547		(141	)		406		562		(125	)		437

	As of December 31, 2011						As of December 31, 2010
	Gross		Accumulated  Amortization		Net		Gross		Accumulated Amortization		Net
Intangible assets not subject to amortization:
Trademarks		165		—		165		168		—		168
Total	$	165	$	—	$	165	$	168	$	—	$	168

During the year ended December 31, 2011, intangible assets, net decreased $34 million primarily due to amortization expense. Amortization expense for finite-lived intangible assets is recognized using the straight-line method over the estimated useful lives of the assets. Amortization expense related to finite-lived intangible assets, which excludes impairments, was $31 million, $38 million and $50 million for 2011, 2010 and 2009, respectively.

Amortization expense relating to intangible assets subject to amortization for each of the next five years and thereafter is estimated to be as follows (in millions).

	2012		2013		2014		2015		2016		Thereafter
Amortization expense	$	29	$	26	$	26	$	26	$	26	$	273

The amount and timing of the estimated expenses in the above table may vary due to future acquisitions, dispositions or impairments.

Impairment Analysis

Based on changes in the long-term projections for the Commerce reporting unit, a component of the U.S. Networks segment, the Company performed Step 1 of a quantitative goodwill impairment test and used a DCF model to estimate the reporting unit's fair value. The estimated fair value of the Commerce reporting unit did not exceed its carrying amount. Upon completion of the impairment test, including Step 2, the Company concluded that goodwill was impaired and recorded a $20 million impairment charge during the fourth quarter of 2011.

During the fourth quarter of 2011, the Company performed a qualitative goodwill impairment assessment for all goodwill reporting units, except Commerce, and determined that it was more likely than not that the fair value of those reporting units exceeded their carrying value. As a result of the Company's qualitative goodwill impairment assessment, the Company determined that no other goodwill was impaired during 2011.

During the fourth quarter of 2010, the Company completed its annual impairment review of goodwill. The estimated fair value of each reporting unit exceeded its carrying value and, therefore, no impairments were recorded. The fair values of the reporting units were determined using a DCF model and market-based valuation models utilizing multiples of earnings before interest, taxes, depreciation and amortization ("EBITDA"). Both models resulted in substantially similar fair values. Cash flows were determined based on Company estimates of future operating results and discounted using an internal rate of return based on an assessment of the risk inherent in future cash flows of the respective reporting unit.

During the third quarter of 2010, the Company recorded an $11 million pretax noncash impairment charge related to goodwill at its postproduction audio business, which is a component of the Education and Other segment. Management determined that the decline in the operating results for its postproduction audio business no longer appeared cyclical, but rather a long-term performance decline. The fair value of the postproduction audio business was estimated using a DCF model.

During 2009, the Company was required to perform an interim impairment review of goodwill and long-lived assets, including intangible assets, at its U.S. Networks segment due to the U.S. Discovery Kids Transaction. (See Note 4.) The Company used the purchase consideration provided by Hasbro to determine the fair value of the network. The Company used a DCF model and market-based valuation models utilizing multiples of EBITDA and revenues to determine the fair value of the portion of the U.S. Networks segment remaining with the Company. As a result of this review, the Company recorded pretax noncash impairment charges of $17 million and $3 million related to intangible assets and capitalized software, respectively. The impairments reflected a decline in operating performance and market multiples for certain asset groups in the U.S. Networks segment.

Also in 2009, the Company recorded pretax noncash impairment charges of $6 million and $6 million related to goodwill and intangible assets, respectively, at its International Networks segment. The goodwill impairment charge reflects a decline in operating performance at the Company's Antenna Audio business, which is reported as discontinued operations. The impairment of finite-lived intangible assets was due to a decline in operating performance for an asset group in EMEA. The fair values were estimated using DCF models.

Impairment charges were recorded in restructuring and impairment charges on the consolidated statements of operations.

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Property And Equipment (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Capitalized software costs, net	$ 27	$ 34
Amortization expense related to capital lease assets	88	92	102
Amortization expense, capitalized software	15	17	24
Rental expense for operating leases	77	83	80
Satellite Transponders [Member]
Capital leased assets, gross	155	155
Amortization of leased asset	$ 61	$ 41

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Condensed Consolidating Financial Information (Condensed Consolidating Balance Sheet) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Cash and cash equivalents	$ 1,048	$ 466	$ 623	$ 94
Receivables, net	1,042	880
Content rights, net	93	83
Deferred income taxes	73	81
Prepaid expenses and other current assets	175	225
Total current assets	2,431	1,735
Noncurrent content rights, net	1,302	1,245
Goodwill	6,291	6,434	6,433
Equity method investments	807	455
Other noncurrent assets	132	146
Total assets	11,913	11,019
Current portion of long-term debt	26	20
Other current liabilities	45	53
Total current liabilities	746	785
Long-term debt	4,219	3,598
Other noncurrent liabilities	92	99
Total liabilities	5,394	4,786
Equity attributable to Discovery Communications, Inc.	6,517	6,225
Noncontrolling interests	2	8
Total equity	6,519	6,233	6,220	5,557
Total liabilities and equity	11,913	11,019
Discovery [Member]
Prepaid expenses and other current assets	35	109
Total current assets	35	109
Investment in and advances to consolidated subsidiaries	6,482	6,116
Total assets	6,517	6,225
Equity attributable to Discovery Communications, Inc.	6,517	6,225
Equity and advances attributable to Discovery Communications, Inc.	6,517	6,225
Total equity	6,517	6,225
Total liabilities and equity	6,517	6,225
Discovery Communications Holding, LLC [Member]
Prepaid expenses and other current assets		3
Total current assets		3
Investment in and advances to consolidated subsidiaries	6,460	6,091
Other noncurrent assets	20	12
Total assets	6,480	6,106
Accounts payable and accrued liabilities	5
Other current liabilities		1
Total current liabilities	5	1
Total liabilities	5	1
Inter-company contributions and advances between Discovery Communications, Inc. and subsidiaries	996	1,777
Equity attributable to Discovery Communications, Inc.	5,479	4,328
Equity and advances attributable to Discovery Communications, Inc.	6,475	6,105
Total equity	6,475	6,105
Total liabilities and equity	6,480	6,106
Discovery Communications, LLC [Member]
Cash and cash equivalents	964	369	476	13
Receivables, net	423	391
Content rights, net	7	8
Deferred income taxes	33	40
Prepaid expenses and other current assets	89	65
Total current assets	1,516	873
Investment in and advances to consolidated subsidiaries	4,569	4,129
Noncurrent content rights, net	559	557
Goodwill	3,767	3,876
Equity method investments	350	354
Other noncurrent assets	485	518
Total assets	11,246	10,307
Accounts payable and accrued liabilities	253	216
Current portion of long-term debt	6	6
Other current liabilities	67	121
Total current liabilities	326	343
Long-term debt	4,154	3,513
Other noncurrent liabilities	306	360
Total liabilities	4,786	4,216
Inter-company contributions and advances between Discovery Communications, Inc. and subsidiaries	(846)	(57)
Equity attributable to Discovery Communications, Inc.	7,306	6,148
Equity and advances attributable to Discovery Communications, Inc.	6,460	6,091
Total equity	6,460	6,091
Total liabilities and equity	11,246	10,307
Non-Guarantor Subsidiaries Of Discovery Communications, LLC [Member]
Cash and cash equivalents	83	93	144	78
Receivables, net	608	476
Content rights, net	86	75
Deferred income taxes	40	41
Prepaid expenses and other current assets	50	48
Total current assets	867	733
Noncurrent content rights, net	743	688
Goodwill	2,524	2,558
Equity method investments	457	101
Other noncurrent assets	590	625
Total assets	5,181	4,705
Accounts payable and accrued liabilities	273	260
Current portion of long-term debt	20	14
Other current liabilities	117	162
Total current liabilities	410	436
Long-term debt	65	85
Other noncurrent liabilities	135	47
Total liabilities	610	568
Inter-company contributions and advances between Discovery Communications, Inc. and subsidiaries	3,997	4,702
Equity attributable to Discovery Communications, Inc.	574	(565)
Equity and advances attributable to Discovery Communications, Inc.	4,571	4,137
Total equity	4,571	4,137
Total liabilities and equity	5,181	4,705
Other Non - Guarantor Subsidiaries Of Discovery Communications, Inc. [Member]
Cash and cash equivalents	1	4	3	3
Receivables, net	13	13
Prepaid expenses and other current assets	1	1
Total current assets	15	18
Investment in and advances to consolidated subsidiaries	4,317	4,070
Other noncurrent assets	7	7
Total assets	4,339	4,095
Accounts payable and accrued liabilities	5	5
Other current liabilities	1	1
Total current liabilities	6	6
Other noncurrent liabilities	8	8
Total liabilities	14	14
Inter-company contributions and advances between Discovery Communications, Inc. and subsidiaries	(1,794)	(1,271)
Equity attributable to Discovery Communications, Inc.	6,119	5,352
Equity and advances attributable to Discovery Communications, Inc.	4,325	4,081
Total equity	4,325	4,081
Total liabilities and equity	4,339	4,095
Reclassifications And Eliminations [Member]
Cash and cash equivalents
Receivables, net	(2)
Prepaid expenses and other current assets		(1)
Total current assets	(2)	(1)
Investment in and advances to consolidated subsidiaries	(21,828)	(20,406)
Other noncurrent assets	(20)	(12)
Total assets	(21,850)	(20,419)
Accounts payable and accrued liabilities	(1)	(1)
Total current liabilities	(1)	(1)
Other noncurrent liabilities	(20)	(12)
Total liabilities	(21)	(13)
Inter-company contributions and advances between Discovery Communications, Inc. and subsidiaries	(2,353)	(5,151)
Equity attributable to Discovery Communications, Inc.	(19,478)	(15,263)
Equity and advances attributable to Discovery Communications, Inc.	(21,831)	(20,414)
Noncontrolling interests	2	8
Total equity	(21,829)	(20,406)
Total liabilities and equity	(21,850)	(20,419)
Discovery Communications, Inc. And Subsidiaries [Member]
Cash and cash equivalents	1,048	466	623	94
Receivables, net	1,042	880
Content rights, net	93	83
Deferred income taxes	73	81
Prepaid expenses and other current assets	175	225
Total current assets	2,431	1,735
Noncurrent content rights, net	1,302	1,245
Goodwill	6,291	6,434
Equity method investments	807	455
Other noncurrent assets	1,082	1,150
Total assets	11,913	11,019
Accounts payable and accrued liabilities	535	480
Current portion of long-term debt	26	20
Other current liabilities	185	285
Total current liabilities	746	785
Long-term debt	4,219	3,598
Other noncurrent liabilities	429	403
Total liabilities	5,394	4,786
Equity attributable to Discovery Communications, Inc.	6,517	6,225
Equity and advances attributable to Discovery Communications, Inc.	6,517	6,225
Noncontrolling interests	2	8
Total equity	6,519	6,233
Total liabilities and equity	$ 11,913	$ 11,019

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Content Rights

12 Months Ended

Dec. 31, 2011

Content Rights [Abstract]

Content Rights

NOTE 7. CONTENT RIGHTS

The following table presents a summary of the components of content rights (in millions).

	As of December 31,
	2011			2010
Produced content rights:
Completed	$	2,257		$	1,963
In-production		221			229
Coproduced content rights:
Completed		491			446
In-production		80			76
Licensed content rights:
Acquired		346			297
Prepaid		21			19
Content rights, at cost		3,416			3,030
Accumulated amortization		(2,021	)		(1,702	)

Total content rights, net		1,395			1,328
Current portion		(93	)		(83	)
Noncurrent portion	$	1,302		$	1,245

Content expense, which consists of content amortization, impairments and other production charges included in the cost of revenues on the consolidated statements of operations, was $968 million, $833 million and $828 million for 2011, 2010 and 2009, respectively. Content impairments were $62 million, $51 million and $75 million for 2011, 2010 and 2009, respectively. As of December 31, 2011, the Company estimates that approximately 96% of unamortized costs of content rights, excluding content in-production and prepaid licenses, will be amortized within the next three years. As of December 31, 2011, the Company expects to amortize $574 million of unamortized content rights, excluding content in-production and prepaid licenses, during the next twelve months.

The Company enters into arrangements whereby it collaborates with third parties to finance and develop programming ("coproduced content"). The Company capitalizes the net cost of coproduced content and amortizes such cost in accordance with its content amortization policy. The Company's policy is to record cash receipts for distribution, advertising and royalty revenue that result from coproduced content as gross revenue. The Company generally does not allocate revenue to specific content rights, and there were no royalty revenues or expenses associated with coproduction partners during 2011, 2010 and 2009. Content costs of $151 million, $122 million and $123 million were capitalized as part of coproduction arrangements during 2011, 2010 and 2009, respectively.

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Property And Equipment

12 Months Ended

Dec. 31, 2011

Property And Equipment [Abstract]

Property And Equipment

NOTE 8. PROPERTY AND EQUIPMENT

Property and equipment consisted of the following (in millions).

	As of December 31,
	2011			2010
Land, buildings and leasehold improvements	$	290		$	284
Broadcast equipment		381			364
Capitalized software costs		178			170
Office equipment, furniture, fixtures and other		266			235
Property and equipment, at cost		1,115			1,053
Accumulated depreciation		(736	)		(654	)
Property and equipment, net	$	379		$	399

Property and equipment includes assets acquired under capital lease arrangements, primarily satellite transponders, with gross carrying values of $155 million as of December 31, 2011 and 2010, respectively. The related accumulated amortization for capital lease assets was $61 million and $41 million as of December 31, 2011 and 2010, respectively.

The net book value of capitalized software costs was $27 million and $34 million as of December 31, 2011 and 2010, respectively.

Depreciation expense for property and equipment, including amortization of capitalized software costs and capital lease assets, totaled $88 million, $92 million and $102 million for 2011, 2010 and 2009, respectively. Amortization expense of capitalized software costs was $15 million, $17 million and $24 million for 2011, 2010 and 2009, respectively.

In addition to the capitalized property and equipment included in the above table, the Company rents certain facilities and equipment under operating lease arrangements. Rental expense for operating leases totaled $77 million, $83 million and $80 million for 2011, 2010 and 2009, respectively.

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Debt

12 Months Ended

Dec. 31, 2011

Debt [Abstract]

Debt

NOTE 10. DEBT

Outstanding debt consisted of the following (in millions).

	As of December 31,
	2011			2010
3.70% Senior Notes, semi-annual interest, due June 2015		850			850
5.625% Senior Notes, semi-annual interest, due August 2019		500			500
5.05% Senior Notes, semi-annual interest, due June 2020		1,300			1,300
4.375% Senior Notes, semi-annual interest, due June 2021		650			—
6.35% Senior Notes, semi-annual interest, due June 2040		850			850
Capital lease obligations		106			126
Total long-term debt		4,256			3,626
Unamortized discount		(11	)		(8	)
Long-term debt, net		4,245			3,618
Current portion of long-term debt		(26	)		(20	)
Noncurrent portion of long-term debt	$	4,219		$	3,598

Senior Notes

On June 20, 2011, Discovery Communications, LLC ("DCL"), a wholly-owned subsidiary of the Company, issued $650 million aggregate principal amount of 4.375% Senior Notes due on June 15, 2021 (the "2021 Notes"). DCL received net proceeds of approximately $641 million from the offering after a $4 million issuance discount and $5 million of deferred financing costs. DCL may, at its option, redeem some or all of the 2021 Notes at any time by paying a make-whole premium, plus accrued and unpaid interest, if any, to the date of repurchase. Interest on the 2021 Notes is payable on June 15 and December 15 of each year. The 2021 Notes are unsecured and rank equally in right of payment with all of DCL's other unsecured senior indebtedness and are fully and unconditionally guaranteed on an unsecured and unsubordinated basis by Discovery.

On June 3, 2010, DCL issued $850 million aggregate principal amount of 3.70% Senior Notes maturing on June 1, 2015, $1.3 billion aggregate principal amount of 5.05% Senior Notes maturing on June 1, 2020 and $850 million aggregate principal amount of 6.35% Senior Notes maturing on June 1, 2040. DCL received approximately $3.0 billion in proceeds, net of a $6 million issuance discount and $24 million of issuance costs recorded as deferred financing costs. DCL may, at its option, redeem some or all of these senior notes at any time by paying a make-whole premium, plus accrued and unpaid interest, if any, to the date of repurchase. Interest on the senior notes is payable on June 1 and December 1 of each year, beginning on December 1, 2010.

The Company used the net proceeds of the June 3, 2010 offering plus cash on hand to repay $1.5 billion outstanding under its Term Loan B, $487 million outstanding under its Term Loan C, net of the original issue discount, $220 million outstanding under its 8.37% Senior Notes due March 2011, $235 million outstanding under its 8.13% Senior Notes due September 2012, $90 million outstanding under its Floating Rate Senior Notes due December 2012, $390 million outstanding under its 6.01% Senior Notes due December 2015 and $114 million for make-whole premiums. The repayments resulted in a pretax loss on extinguishment of debt of $136 million, which included $114 million for make-whole premiums, $12 million of noncash write-offs of unamortized deferred financing costs and $10 million for the repayment of the original issue discount on the Company's term loans.

As of December 31, 2011, all senior notes outstanding are unsecured and rank equally in right of payment with all of DCL's other unsecured senior indebtedness and are fully and unconditionally guaranteed on an unsecured and unsubordinated basis by Discovery.

The outstanding senior notes contain certain nonfinancial covenants, events of default and other customary provisions. The Company was in compliance with all covenants and customary provisions and there were no events of default as of December 31, 2011.

Revolving Credit Facility

On August 8, 2011, DCL modified its $1.0 billion revolving credit agreement to extend the expiration date two years to October 12, 2015 and to reduce interest rates and fees. The terms of the arrangement are otherwise consistent with the previous arrangement, as DCL continues to be the borrower, Discovery continues to be the unconditional guarantor, the lenders named therein, are consistent with the original credit agreement and the obligations under the credit agreement are unsecured.

If DCL draws on the new revolving credit facility, outstanding balances will bear interest at one of the following rates as elected by DCL. Each Libor loan will bear interest at the applicable Libor rate based on the term selected by DCL, plus a margin ranging from 75 basis points to 145 basis points based on DCL's credit rating. Each Base Rate loan and Swing Line loan will bear interest at the Base Rate plus a margin ranging from zero basis points to 45 basis points based on DCL's credit rating. The Base Rate is the highest of (i) the Federal funds rate as published by the Federal Reserve Bank of New York plus 50 basis points, (ii) Bank of America's prime rate as publicly announced, and (iii) the one month Eurocurrency rate plus 100 basis points.

DCL is required to pay a facility fee, which ranges from 12.5 basis points to 30 basis points, based on DCL's credit rating, multiplied by the actual daily amount of the lender's aggregate commitments under the senior credit facility, regardless of usage. The facility fee is payable quarterly in arrears. DCL will also pay a letter of credit fee equal to the applicable margin for Eurocurrency rate loans multiplied by the dollar equivalent of the daily amount available to be drawn under such letter of credit.

DCL may optionally prepay the loans or irrevocably reduce or terminate the unutilized portion of the commitments under the revolving credit facility, without premium or penalty at any time by the delivery of a notice to that effect as provided under the credit agreement.

There were no amounts drawn under the revolving credit facility as of December 31, 2011 and December 31, 2010.

The revolving credit facility contains affirmative and negative covenants, including an interest coverage ratio and leverage ratio, events of default and other customary provisions. The Company was in compliance with all covenants and there were no events of default as of December 31, 2011 and December 31, 2010.

Debt Repayment Schedule

The following table presents a summary of scheduled and estimated debt payments, excluding capital lease obligations, for the succeeding five years based on the amount of debt outstanding as of December 31, 2011 (in millions).

	2012		2013		2014		2015		2016		Thereafter
Long-term debt payments	$	—	$	—	$	—	$	850	$	—	$	3,300

Scheduled payments for capital lease obligations outstanding as of December 31, 2011 are disclosed in Note 20.

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Goodwill And Intangible Assets (Company Intangible Assets And Related Accumulated Amortization) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 years	Dec. 31, 2010
Goodwill [Line Items]
Finite-Lived Intangible Assets, Gross	$ 547	$ 562
Accumulated Amortization	(141)	(125)
Finite-lived intangible assets net	406	437
Intangible Assets Gross	165	168
Indefinite-lived intangible assets net	165	168
Trademarks [Member]
Goodwill [Line Items]
Weighted Average Amortization Period (Years)	7
Finite-Lived Intangible Assets, Gross	31	32
Accumulated Amortization	(26)	(22)
Finite-lived intangible assets net	5	10
Intangible Assets Gross	165	168
Indefinite-lived intangible assets net	165	168
Customer Relationships [Member]
Goodwill [Line Items]
Weighted Average Amortization Period (Years)	25
Finite-Lived Intangible Assets, Gross	513	524
Accumulated Amortization	(113)	(99)
Finite-lived intangible assets net	400	425
Others [Member]
Goodwill [Line Items]
Weighted Average Amortization Period (Years)	5
Finite-Lived Intangible Assets, Gross	3	6
Accumulated Amortization	(2)	(4)
Finite-lived intangible assets net	$ 1	$ 2

XML

Income Taxes (Schedule Of Components Of Provision For Income Taxes) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Taxes [Abstract]
Federal current		$ 253	$ 184	$ 389
State and local taxes, current		38	30	41
Foreign current		109	63	60
Current income tax expense		400	277	490
Federal deferred		15	8	(15)
State and local taxes deferred		13	5	(3)
Foreign deferred		(3)	(2)	(3)
Deferred income tax expense (benefit)		25	11	(21)
Provision for income taxes	$ 112	$ 425	$ 288	$ 469

XML

Debt (Narrative) (Details) (USD $)	0 Months Ended	12 Months Ended			0 Months Ended		12 Months Ended																	12 Months Ended
	Aug. 08, 2011	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Jun. 20, 2011 Discovery Communications, LLC [Member]	Jun. 03, 2010 Discovery Communications, LLC [Member]	Dec. 31, 2011 Discovery Communications, LLC [Member]	Dec. 31, 2010 Discovery Communications, LLC [Member]	Dec. 31, 2009 Discovery Communications, LLC [Member]	Dec. 31, 2011 1.5 Billion Term Loan B [Member]	Dec. 31, 2011 487 Million Term Loan C [Member]	Dec. 31, 2011 8.37% Senior Notes [Member]	Dec. 31, 2011 8.13% Senior Notes [Member]	Dec. 31, 2011 Floating Rate Senior Notes [Member]	Dec. 31, 2011 6.01% Senior Notes [Member]	Dec. 31, 2011 4.375% Senior Notes [Member]	Jun. 20, 2011 4.375% Senior Notes [Member]	Dec. 31, 2011 3.70% Senior Notes [Member]	Jun. 03, 2010 3.70% Senior Notes [Member]	Dec. 31, 2011 5.05% Senior Notes [Member]	Jun. 03, 2010 5.05% Senior Notes [Member]	Dec. 31, 2011 6.35% Senior Notes [Member]	Jun. 03, 2010 6.35% Senior Notes [Member]	Dec. 31, 2011 Maximum [Member]	Dec. 31, 2011 Minimum [Member]	Dec. 31, 2011 Federal Funds Rate [Member]	Dec. 31, 2011 Euro Currency Rate [Member]	Dec. 31, 2011 Swing Line Loan Rate [Member] Maximum [Member]	Dec. 31, 2011 Swing Line Loan Rate [Member] Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, face amount																	$ 650,000,000		$ 850,000,000		$ 1,300,000,000		$ 850,000,000
Debt instrument interest rate												8.37%	8.13%		6.01%	4.375%		3.70%		5.05%		6.35%
Long-term debt, maturity date												March 2011	September 2012	December 2012	December 2015	June 2021	June 15, 2021	June 2015	June 1, 2015	June 2020	June 1, 2020	June 2040	June 1, 2040
Proceeds from issuance of long-term debt		639,000,000	2,970,000,000	970,000,000	641,000,000	3,000,000,000	639,000,000	2,970,000,000	492,000,000
Debt instrument total discount					4,000,000	6,000,000
Deferred financing costs					5,000,000	24,000,000
Principal repayments of long-term debt			2,883,000,000	1,012,000,000				935,000,000	993,000,000	1,500,000,000	487,000,000	220,000,000	235,000,000	90,000,000	390,000,000
Noncash portion of loss on extinguishment of debt			136,000,000					116,000,000
Make whole premium			114,000,000
Accrued and unpaid interest plus make whole premiums			114,000,000
Non-cash write-offs of unamortized deferred financing costs			12,000,000
Revolving line of credit, maximum borrowing capacity	1,000,000,000
Revolving credit facility, expiration date	expiration date two years to October 12, 2015
Repayment of original issue discount			10,000,000
Debt instrument, basis point spread on variable rate																								0.0145	0.0075	0.005	0.01	0.0045	0.0000
Line of credit facility, commitment fee basis points																								0.003	0.00125
Amounts drawn under revolving credit facility		$ 0	$ 0

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Reportable Segments (Schedule Of Reconciliation Of Adjusted OIDBA To Operating Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2010		Sep. 30, 2010		Jun. 30, 2010		Mar. 31, 2010		Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Reportable Segments [Abstract]
Total Adjusted OIBDA																	$ 1,914	$ 1,699	$ 1,486
Amortization of deferred launch incentives																	(52)	(42)	(55)
Mark-to-market stock-based compensation																	(43)	(142)	(205)
Depreciation and amortization																	(119)	(130)	(152)
Restructuring and impairment charges																	(30)	(25)	(52)
Gains on disposition							129										129		252
Operating income	$ 421	[1],[2],[3],[4],[5]	$ 426	[1],[2],[3],[4],[5]	$ 445	[1],[2],[3],[4],[5]	$ 507	[1],[2],[3],[4],[5]	$ 394	[1],[10],[6],[7],[8],[9]	$ 312	[1],[10],[6],[7],[8],[9]	$ 372	[1],[10],[6],[7],[8],[9]	$ 282	[1],[10],[6],[7],[8],[9]	$ 1,799	$ 1,360	$ 1,274

[1] Income per share amounts for the quarters and full years have each been calculated separately. Accordingly, income per share amounts for a particular quarter may not sum. Additionally, quarterly amounts may not add to the annual amounts because of differences in the average common shares outstanding during each period and, with regard to diluted per common share amounts only, because of the inclusion of the effect of potentially dilutive securities only in the periods in which such effect would have been dilutive.

[2] The results of operations for the quarter ended March 31, 2011 include a pretax gain of $129 million related to the contribution of the domestic Discovery Health network to OWN LLC in connection with the launch of OWN on January 1, 2011. The gain resulted in $27 million of tax expense. (See Note 4.) Additionally, the Company incurred $1 million of restructuring charges and purchased 4.73 million shares of its Series C common stock.

[3] The results of operations for the quarter ended June 30, 2011 include $4 million of restructuring charges. Additionally, the Company repurchased 5.64 million shares of its Series C common stock.

[4] The results of operations for the quarter ended September 30, 2011 include $2 million of restructuring charges. Additionally the Company repurchased 9.79 million shares of its Series C common stock.

[5] The results of operations for the quarter ended December 31, 2011 include a $112 million income tax benefit related to foreign tax credits and $3 million of exit and restructuring charges. Additionally, the Company repurchased 7.00 million shares of its Series C common stock.

[6] The results of operations for the quarter ended March 31, 2010 include a $28 million reversal of foreign tax reserves, $4 million of losses on interest rate swaps, and $3 million of restructuring charges.

[7] The results of operations for the quarter ended June 30, 2010 include a $136 million loss on extinguishment of debt and $23 million of losses on interest rate swaps.

[8] The results of operations for the quarter ended September 30, 2010 include a $12 million reversal of a tax payable related to discontinued operations, an $11 million pretax noncash impairment charge related to goodwill, and $4 million of exit and restructuring charges. Additionally, the Company repurchased 1.12 million shares of its Series C common stock.

[9] On September 1, 2010, the Company sold its Antenna Audio business for net cash proceeds of $24 million, which resulted in a $9 million gain, net of taxes. The operating results of Antenna Audio have been reported as discontinued operations for all periods. Certain quarterly financial data in the above table vary from the amounts previously reported on the Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2010 due to subsequent presentation of Antenna Audio as discontinued operations.

[10] The results of operations for the quarter ended December 31, 2010 include $7 million of exit and restructuring charges. Additionally, the Company repurchased 1.87 million shares of its Series C common stock and 13.73 million shares of its Series C convertible preferred stock.

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Goodwill And Intangible Assets (Goodwill By Reportable Segment) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended		3 Months Ended	12 Months Ended					3 Months Ended	12 Months Ended
	Sep. 30, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 U.S. Networks [Member]	Dec. 31, 2011 U.S. Networks [Member]	Dec. 31, 2009 U.S. Networks [Member]	Dec. 31, 2011 International Networks [Member]	Dec. 31, 2010 International Networks [Member]	Dec. 31, 2009 International Networks [Member]	Sep. 30, 2010 Educational And Other [Member]	Dec. 31, 2010 Educational And Other [Member]	Dec. 31, 2011 Educational And Other [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance		$ 6,434	$ 6,433		$ 5,135		$ 1,280	$ 1,271			$ 27	$ 19
Acquisitions		14	13				14	13
Dispositions		(136)			(136)
Impairments	(11)	(20)	(11)	(20)	(20)	(17)			(6)	(11)	(11)
Foreign currency translation and other adjustments		(1)	(1)				(1)	(4)			3
Goodwill, Ending Balance		$ 6,291	$ 6,434	$ 4,979	$ 4,979	$ 5,135	$ 1,293	$ 1,280	$ 1,271		$ 19	$ 19

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Supplemental Disclosures (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2009
Supplemental Disclosures [Abstract]
Proceeds from sale of equity securities	$ 22
Gain on sale of equity securities	13
Reclassification of unrealized gains from other comprehensive income	$ 6

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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2011

Fair Value Measurements [Abstract]

Fair Value Assets And Liabilities

		December 31, 2011
Category	Balance Sheet Location	Level 1		Level 2		Level 3		Total
Assets:
Trading securities:
Mutual funds	Prepaid expenses and other current assets	$	76	$	—	$	—	$	76
Available-for-sale securities:
Money market mutual funds	Cash and cash equivalents		635		—		—		635
Total assets		$	711	$	—	$	—	$	711
Liabilities:
Deferred compensation plan	Accrued liabilities	$	76	$	—	$	—	$	76
Total liabilities		$	76	$	—	$	—	$	76

		December 31, 2010
Category	Balance Sheet Location	Level 1		Level 2		Level 3		Total
Assets:
Trading securities:
Mutual funds	Prepaid expenses and other current assets	$	55	$	—	$	—	$	55
Available-for-sale securities:
Money market mutual funds	Cash and cash equivalents		172		—		—		172
U.S. Treasury securities	Cash and cash equivalents		—		200		—		200
Other	Cash and cash equivalents		—		3		—		3
Total assets		$	227	$	203	$	—	$	430
Liabilities:
Deferred compensation plan	Accrued liabilities	$	55	$	—	$	—	$	55
Other	Other current liabilities		—		6		—		6
Total liabilities		$	55	$	6	$	—	$	61

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Summary Of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Summary Of Significant Accounting Policies [Line Items]
Foreign currency transaction gains and losses	$ (12)	$ 8	$ 0
Amortization of launch incentives	52	42	55
Assumed common stock dividend yield	0.00%
Advertising expense	$ 132	$ 135	$ 103
Percentage of long term contract distribution revenue	10.00%	10.00%	10.00%
Number of cable and satellite operators providing the most revenue, US	10
Number of cable and satellite operators providing the most revenue, Non-US	10
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Interest ownership percentage by parent in joint venture	50.00%
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Interest ownership percentage by parent in joint venture	20.00%
Buildings [Member]
Summary Of Significant Accounting Policies [Line Items]
Property plant and equipment, useful life, minimum, years	15
Property plant and equipment, useful life, maximum, years	39
Broadcast Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Property plant and equipment, useful life, minimum, years	3
Property plant and equipment, useful life, maximum, years	5
Software [Member]
Summary Of Significant Accounting Policies [Line Items]
Property plant and equipment, useful life, minimum, years	2
Property plant and equipment, useful life, maximum, years	5
Office Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Property plant and equipment, useful life, minimum, years	3
Property plant and equipment, useful life, maximum, years	5
Assets Held under Capital Leases [Member]
Summary Of Significant Accounting Policies [Line Items]
Property plant and equipment, useful life, minimum, years	3
Property plant and equipment, useful life, maximum, years	12
U.S [Member]
Summary Of Significant Accounting Policies [Line Items]
Percentage of long term contract distribution revenue	90.00%
Non-U.S [Member]
Summary Of Significant Accounting Policies [Line Items]
Percentage of long term contract distribution revenue	50.00%

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Exit And Restructuring Charges

12 Months Ended

Dec. 31, 2011

Exit And Restructuring Charges [Abstract]

Exit And Restructuring Charges

NOTE 15. EXIT AND RESTRUCTURING CHARGES

Exit and restructuring charges, by reportable segment were as follows (in millions).

	Year Ended December 31,
	2011		2010		2009
U.S. Networks	$	4	$	3	$	12
International Networks		3		9		8
Education and Other		—		—		1
Corporate		3		2		5
Total exit and restructuring charges	$	10	$	14	$	26

Changes in exit and restructuring liabilities by major category were as follows (in millions).

	Contract Termination Costs			Employee Relocations/ Terminations			Total
Liabilities as of December 31, 2008	$	6		$	18		$	24
Net accruals		5			21			26
Cash paid		(3	)		(26	)		(29	)
Liabilities as of December 31, 2009	$	8		$	13		$	21
Net accruals		3			11			14
Cash paid		(6	)		(14	)		(20	)
Liabilities as of December 31, 2010	$	5		$	10		$	15
Net accruals		—			10			10
Cash paid		(1	)		(15	)		(16	)
Liabilities as of December 31, 2011	$	4		$	5		$	9

During 2011, exit and restructuring costs primarily related to management changes and cost reduction efforts. Exit and restructuring charges for 2010 related to the realignment of the International Networks segment, cost reduction initiatives in the U.S., and the disposition of the Discovery Health network. The exit and restructuring charges incurred during 2009 related to realignments of portions of the Company's operations to better support its strategic priorities and centralize certain functions, the transition of the commerce business to a licensing model, and cost reduction initiatives. The Company does not expect to incur a significant amount of additional costs with respect to these particular activities.

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Commitments And Contingencies

12 Months Ended

Dec. 31, 2011

Commitments And Contingencies [Abstract]

Commitments And Contingencies

NOTE 20. COMMITMENTS AND CONTINGENCIES

Contractual Commitments

As of December 31, 2011, the Company's significant contractual commitments, including related payments due by period, were as follows (in millions).

	Year Ending December 31,
	Leases
	Operating		Capital		Content		Other		Total
2012		64		33		250		171		518
2013		54		18		31		125		228
2014		50		15		29		50		144
2015		34		14		2		24		74
2016		31		12		—		18		61
Thereafter		73		41		—		204		318
Total minimum payments		306		133		312		592		1,343
Less amounts representing interest		—		27		—		—		27
Total	$	306	$	106	$	312	$	592	$	1,316

The Company enters into multi-year lease arrangements for transponders, office space, studio facilities, and other equipment. Most leases are not cancelable prior to their expiration.

Content purchase obligations include obligations for contracts with certain third-party producers for the production of programming that airs on the Company's television networks. Production contracts generally require the Company to purchase a specified number of episodes of the program. Content purchase obligations also include program licenses that typically require payments over the terms of the licenses. Licensed programming includes both programs that have been delivered and are available for airing and programs that have not yet been produced. If the programs are not produced, the Company's commitments would generally expire without obligation. The commitments disclosed above do not include content liabilities recognized on the consolidated balance sheet.

Other purchase obligations include multi-year agreements with certain vendors and suppliers for the purchase of goods and services whereby the underlying agreements are enforceable, legally binding and specify all significant terms. Significant purchase obligations include transmission services, television rating services, marketing research, employment contracts, equipment purchases, and information technology and other services. These contracts typically do not require the purchase of fixed or minimum quantities and generally may be terminated with a 30-day to 60-day advance notice without penalty.

In addition to the amounts in the above table, the Company is committed to fund up to $234 million to certain ventures, of which $209 million had been funded through December 31, 2011. The Company expects to provide significant uncommitted additional funding to OWN, which is not included in the funding commitments above. (See Note 4.) The Company also has an obligation to issue additional preferred shares under the anti-dilution provisions of its outstanding preferred stock. (See Note 12.)

Contingencies

Put Right

Harpo has the right to require the Company to purchase its interest in OWN for fair value at various dates. (See Note 4.) No amounts were recorded for the put right obligations as of December 31, 2011 and December 31, 2010.

Legal Matters

In the normal course of business, the Company experiences routine claims and legal proceedings. It is the opinion of the Company's management, based on information available at this time, that none of the current claims and proceedings will have a material adverse effect on the Company's consolidated financial position, results of operations, or cash flows.

Guarantees

The Company has guaranteed a certain level of performance for The Hub joint venture. (See Note 4.) There were no material amounts recorded for guarantees to equity method investees as of December 31, 2011 and December 31, 2010.

The Company may provide or receive indemnities intended to allocate certain business transaction risks. Similarly, the Company may remain contingently liable for certain obligations of a divested business in the event that a third party does not fulfill its obligations under an indemnification obligation. The Company records a liability for its indemnification obligations and other contingent liabilities when probable and estimable. There were no material amounts for indemnifications or other contingencies recorded as of December 31, 2011 and December 31, 2010.

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Supplemental Disclosures (Schedule Of Other (Expense) Income, Net) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Supplemental Disclosures [Abstract]
Unrealized (losses) gains on derivative instruments, net	$ 2	$ 13	$ 26
Realized losses on derivative instruments, net	(3)	(42)	(6)
Loss from equity investees	(35)	(57)	(24)
Realized gains on sales of investments			15
Other, net	4		2
Total other expense, net	$ (32)	$ (86)	$ 13

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Condensed Consolidating Financial Information (Tables)

12 Months Ended

Dec. 31, 2011

Condensed Consolidating Financial Information [Abstract]

Condensed Consolidating Balance Sheet

CONDENSED CONSOLIDATING BALANCE SHEET

December 31, 2011

(in millions)

	Discovery Communications, Inc.		Discovery Communications  Holding, LLC		Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC		Other Non- Guarantor Subsidiaries of Discovery Communications, Inc.		Reclassifications  and Eliminations			Discovery Communications, Inc. and Subsidiaries
ASSETS
Current assets:
Cash and cash equivalents	$	—	$	—	$	964		$	83	$	1	$	—		$	1,048
Receivables, net		—		—		423			608		13		(2	)		1,042
Content rights, net		—		—		7			86		—		—			93
Deferred income taxes		—		—		33			40		—		—			73
Prepaid expenses and other current assets		35		—		89			50		1		—			175
Total current assets		35		—		1,516			867		15		(2	)		2,431
Investment in and advances to consolidated subsidiaries		8,850		6,460		4,569			—		6,684		(26,563	)		—
Noncurrent content rights, net		—		—		559			743		—		—			1,302
Goodwill		—		—		3,767			2,524		—		—			6,291
Equity method investments		—		—		350			457		—		—			807
Other noncurrent assets		—		20		485			590		7		(20	)		1,082
Total assets	$	8,885	$	6,480	$	11,246		$	5,181	$	6,706	$	(26,585	)	$	11,913
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable and accrued liabilities	$	—	$	5	$	253		$	273	$	5	$	(1	)	$	535
Current portion of long-term debt		—		—		6			20		—		—			26
Other current liabilities		—		—		67			117		1		—			185
Total current liabilities		—		5		326			410		6		(1	)		746
Long-term debt		—		—		4,154			65		—		—			4,219
Other noncurrent liabilities		—		—		306			135		8		(20	)		429
Total liabilities		—		5		4,786			610		14		(21	)		5,394
Inter-company contributions and advances between Discovery Communications, Inc. and subsidiaries		2,368		996		(846	)		3,997		573		(7,088	)		—
Equity attributable to Discovery Communications, Inc.		6,517		5,479		7,306			574		6,119		(19,478	)		6,517
Equity and advances attributable to Discovery Communications, Inc.		8,885		6,475		6,460			4,571		6,692		(26,566	)		6,517
Noncontrolling interests		—		—		—			—		—		2			2
Total equity		8,885		6,475		6,460			4,571		6,692		(26,564	)		6,519
Total liabilities and equity	$	8,885	$	6,480	$	11,246		$	5,181	$	6,706	$	(26,585	)	$	11,913

CONDENSED CONSOLIDATING BALANCE SHEET

December 31, 2010

(in millions)

	Discovery Communications, Inc.		Discovery Communications  Holding, LLC		Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non- Guarantor Subsidiaries of Discovery Communications, Inc.		Reclassifications  and Eliminations			Discovery Communications, Inc. and Subsidiaries
ASSETS
Current assets:
Cash and cash equivalents	$	—	$	—	$	369		$	93		$	4	$	—		$	466
Receivables, net		—		—		391			476			13		—			880
Content rights, net		—		—		8			75			—		—			83
Deferred income taxes		—		—		40			41			—		—			81
Prepaid expenses and other current assets		109		3		65			48			1		(1	)		225
Total current assets		109		3		873			733			18		(1	)		1,735
Investment in and advances to subsidiaries		8,530		6,091		4,129			—			6,484		(25,234	)		—
Noncurrent content rights, net		—		—		557			688			—		—			1,245
Goodwill		—		—		3,876			2,558			—		—			6,434
Equity method investments		—		—		354			101			—		—			455
Other noncurrent assets		—		12		518			625			7		(12	)		1,150
Total assets	$	8,639	$	6,106	$	10,307		$	4,705		$	6,509	$	(25,247	)	$	11,019
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable and accrued liabilities	$	—	$	—	$	216		$	260		$	5	$	(1	)	$	480
Current portion of long-term debt		—		—		6			14			—		—			20
Other current liabilities		—		1		121			162			1		—			285
Total current liabilities		—		1		343			436			6		(1	)		785
Long-term debt		—		—		3,513			85			—		—			3,598
Other noncurrent liabilities		—		—		360			47			8		(12	)		403
Total liabilities		—		1		4,216			568			14		(13	)		4,786
Inter-company contributions and advances between Discovery Communications, Inc. and subsidiaries		2,414		1,777		(57	)		4,702			1,143		(9,979	)		—
Equity (deficit) attributable to Discovery Communications, Inc.		6,225		4,328		6,148			(565	)		5,352		(15,263	)		6,225
Equity and advances attributable to Discovery Communications, Inc.		8,639		6,105		6,091			4,137			6,495		(25,242	)		6,225
Noncontrolling interests		—		—		—			—			—		8			8
Total equity		8,639		6,105		6,091			4,137			6,495		(25,234	)		6,233
Total liabilities and equity	$	8,639	$	6,106	$	10,307		$	4,705		$	6,509	$	(25,247	)	$	11,019

Condensed Consolidating Statement Of Cash Flows

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

For the Year Ended December 31, 2011

(in millions)

	Discovery Communications, Inc.			Discovery Communications Holding, LLC			Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non-Guarantor Subsidiaries of Discovery Communications, Inc.			Eliminations			Discovery Communications, Inc. and Subsidiaries
Operating Activities
Cash provided (used in) by operating activities	$	68		$	(1	)	$	421		$	613		$	(1	)	$	—		$	1,100
Investing Activities
Purchases of property and equipment		—			—			(2	)		(55	)		(1	)		—			(58	)
Business acquisitions, net of cash acquired		—			—			—			(26	)		—			—			(26	)
Investment proceeds		—			—			—			21			—			—			21
Investments in and advances to equity investees		—			—			—			(151	)		—			—			(151	)
Cash used in investing activities		—			—			(2	)		(211	)		(1	)		—			(214	)
Financing Activities
Borrowings from long-term debt, net of discount and issuance costs		—			—			639			—			—			—			639
Principal repayments of capital leases obligations		—			—			(6	)		(14	)		—			—			(20	)
Repurchases of common and preferred stock		(997	)		—			—			—			—			—			(997	)
Cash distributions to noncontrolling interests		—			—			—			—			—			(7	)		(7	)
Proceeds from stock option exercises		60			—			—			—			—			—			60
Excess tax benefits from stock-based compensation		28			—			—			—			—			—			28
Inter-company contributions and other financing activities, net		841			1			(457	)		(391	)		(1	)		7			—
Cash (used in) provided by financing activities		(68	)		1			176			(405	)		(1	)		—			(297	)
Effect of exchange rate changes on cash and cash equivalents		—			—			—			(7	)		—			—			(7	)
Net change in cash and cash equivalents		—			—			595			(10	)		(3	)		—			582
Cash and cash equivalents, beginning of period		—			—			369			93			4			—			466
Cash and cash equivalents, end of period	$	—		$	—		$	964		$	83		$	1		$	—		$	1,048

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

For the Year Ended December 31, 2010

(in millions)

	Discovery Communications, Inc.			Discovery Communications Holding, LLC			Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non-Guarantor Subsidiaries of Discovery Communications, Inc.			Eliminations		Discovery Communications, Inc. and Subsidiaries
Operating Activities
Cash (used in) provided by operating activities	$	(137	)	$	(47	)	$	339		$	507		$	6		$	—	$	668
Investing Activities
Purchases of property and equipment		—			—			(11	)		(36	)		(2	)		—		(49	)
Business acquisitions, net of cash acquired		—			—			—			(38	)		—			—		(38	)
Proceeds from dispositions, net		—			—			13			11			—			—		24
Investments in and advances to equity investees		—			—			(114	)		(13	)		—			—		(127	)
Cash used in investing activities		—			—			(112	)		(76	)		(2	)		—		(190	)
Financing Activities
Borrowings from long-term debt, net of discount and issuance costs		—			—			2,970			—			—			—		2,970
Principal repayments of long-term debt		—			(1,948	)		(935	)		—			—			—		(2,883	)
Principal repayments of capital leases obligations		—			—			(5	)		(5	)		—			—		(10	)
Repurchases of common and preferred stock		(605	)		—			—			—			—			—		(605	)
Purchase of noncontrolling interests		—			—			—			(148	)		—			—		(148	)
Cash distributions to noncontrolling interests		—			—			(16	)		(15	)		—			—		(31	)
Proceeds from stock option exercises		47			—			—			—			—			—		47
Excess tax benefits from stock-based compensation		19			—			—			—			—			—		19
Inter-company contributions and other financing activities, net		676			1,995			(2,348	)		(320	)		(3	)		—		—
Cash provided by (used in) financing activities		137			47			(334	)		(488	)		(3	)		—		(641	)
Effect of exchange rate changes on cash and cash equivalents		—			—			—			6			—			—		6
Net change in cash and cash equivalents		—			—			(107	)		(51	)		1			—		(157	)
Cash and cash equivalents, beginning of period		—			—			476			144			3			—		623
Cash and cash equivalents, end of period	$	—		$	—		$	369		$	93		$	4		$	—	$	466

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

For the Year Ended December 31, 2009

(in millions)

	Discovery Communications, Inc.			Discovery Communications Holding, LLC			Discovery Communications, LLC			Non-Guarantor Subsidiaries of Discovery Communications, LLC			Other Non- Guarantor Subsidiaries of Discovery Communications, Inc.			Eliminations		Discovery Communications, Inc. and Subsidiaries
Operating Activities
Cash provided by (used in) operating activities	$	31		$	(64	)	$	248		$	427		$	—		$	—	$	642
Investing Activities
Purchases of property and equipment		—			—			(23	)		(29	)		(3	)		—		(55	)
Proceeds from dispositions, net		—			—			300			—			—			—		300
Investment proceeds		—			—			22			2			—			—		24
Investments in and advances to equity investees		—			—			(30	)		(1	)		—			—		(31	)
Cash provided by (used in) investing activities		—			—			269			(28	)		(3	)		—		238
Financing Activities
Net repayments of revolver loans		—			—			(315	)		—			—			—		(315	)
Borrowings from long-term debt, net of discount and issuance costs		—			478			492			—			—			—		970
Principal repayments of long-term debt		—			(19	)		(993	)		—			—			—		(1,012	)
Principal repayments of capital leases obligations		—			—			(4	)		(10	)		—			—		(14	)
Cash distributions to noncontrolling interests		—			—			—			(13	)		—			—		(13	)
Proceeds from stock option exercises		28			—			—			—			—			—		28
Inter-company contributions and other financing activities, net		(59	)		(395	)		766			(315	)		3			—		—
Cash (used in) provided by financing activities		(31	)		64			(54	)		(338	)		3			—		(356	)
Effect of exchange rate changes on cash and cash equivalents		—			—			—			5			—			—		5
Net change in cash and cash equivalents		—			—			463			66			—			—		529
Cash and cash equivalents, beginning of period		—			—			13			78			3			—		94
Cash and cash equivalents, end of period	$	—		$	—		$	476		$	144		$	3		$	—	$	623

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Reportable Segments (Schedule Of Revenues By Country) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2010		Sep. 30, 2010		Jun. 30, 2010		Mar. 31, 2010		Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Segment Reporting Information [Line Items]
Total revenues	$ 1,122	[1],[2],[3],[4],[5]	$ 1,095	[1],[2],[3],[4],[5]	$ 1,067	[1],[2],[3],[4],[5]	$ 951	[1],[2],[3],[4],[5]	$ 1,015	[1],[10],[6],[7],[8],[9]	$ 926	[1],[10],[6],[7],[8],[9]	$ 963	[1],[10],[6],[7],[8],[9]	$ 869	[1],[10],[6],[7],[8],[9]	$ 4,235	$ 3,773	$ 3,458
U.S [Member]
Segment Reporting Information [Line Items]
Total revenues																	2,784	2,504	2,297
Non-U.S [Member]
Segment Reporting Information [Line Items]
Total revenues																	$ 1,451	$ 1,269	$ 1,161

[1] Income per share amounts for the quarters and full years have each been calculated separately. Accordingly, income per share amounts for a particular quarter may not sum. Additionally, quarterly amounts may not add to the annual amounts because of differences in the average common shares outstanding during each period and, with regard to diluted per common share amounts only, because of the inclusion of the effect of potentially dilutive securities only in the periods in which such effect would have been dilutive.

[2] The results of operations for the quarter ended March 31, 2011 include a pretax gain of $129 million related to the contribution of the domestic Discovery Health network to OWN LLC in connection with the launch of OWN on January 1, 2011. The gain resulted in $27 million of tax expense. (See Note 4.) Additionally, the Company incurred $1 million of restructuring charges and purchased 4.73 million shares of its Series C common stock.

[3] The results of operations for the quarter ended June 30, 2011 include $4 million of restructuring charges. Additionally, the Company repurchased 5.64 million shares of its Series C common stock.

[4] The results of operations for the quarter ended September 30, 2011 include $2 million of restructuring charges. Additionally the Company repurchased 9.79 million shares of its Series C common stock.

[5] The results of operations for the quarter ended December 31, 2011 include a $112 million income tax benefit related to foreign tax credits and $3 million of exit and restructuring charges. Additionally, the Company repurchased 7.00 million shares of its Series C common stock.

[6] The results of operations for the quarter ended March 31, 2010 include a $28 million reversal of foreign tax reserves, $4 million of losses on interest rate swaps, and $3 million of restructuring charges.

[7] The results of operations for the quarter ended June 30, 2010 include a $136 million loss on extinguishment of debt and $23 million of losses on interest rate swaps.

[8] The results of operations for the quarter ended September 30, 2010 include a $12 million reversal of a tax payable related to discontinued operations, an $11 million pretax noncash impairment charge related to goodwill, and $4 million of exit and restructuring charges. Additionally, the Company repurchased 1.12 million shares of its Series C common stock.

[9] On September 1, 2010, the Company sold its Antenna Audio business for net cash proceeds of $24 million, which resulted in a $9 million gain, net of taxes. The operating results of Antenna Audio have been reported as discontinued operations for all periods. Certain quarterly financial data in the above table vary from the amounts previously reported on the Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2010 due to subsequent presentation of Antenna Audio as discontinued operations.

[10] The results of operations for the quarter ended December 31, 2010 include $7 million of exit and restructuring charges. Additionally, the Company repurchased 1.87 million shares of its Series C common stock and 13.73 million shares of its Series C convertible preferred stock.

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Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2011

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Stock-Based Compensation Expense

	Year Ended December 31,
	2011		2010		2009
Unit awards	$	39	$	127	$	143
SARs		1		13		61
Stock options		36		30		22
PRSUs and RSUs		23		12		1
Other		—		—		1
Total stock-based compensation expense	$	99	$	182	$	228
Tax benefit recognized	$	37	$	68	$	80

Scheduled Of Weighted-Average Assumptions Used To Determine Fair Value Of Stock Options

	Year Ended December 31,
	2011			2010			2009
Risk-free interest rate		1.53	%		2.08	%		1.70	%
Expected term (years)		4.98			4.99			3.71
Expected volatility		40.17	%		38.27	%		45.60	%
Dividend yield		—			—			—

Stock Option [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Stock-Based Compensation - Summary Of Activities

	Stock Options			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding as of December 31, 2010		15.7		$	19.26
Granted		1.8			38.61
Exercised		(3.7	)		16.30			$	99
Forfeited		(1.1	)		23.93
Outstanding as of December 31, 2011		12.7		$	22.52		4.92	$	236
Vested and expected to vest as of December 31, 2011		12.5		$	22.46		5.08	$	232
Exercisable as of December 31, 2011		5.1		$	18.22		5.29	$	116

Unit Awards [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Stock-Based Compensation - Summary Of Activities

	Unit Awards			Weighted- Average Grant Price		Weighted- Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding as of December 31, 2010		8.8		$	21.98
Granted		2.3			41.17
Settled		(5.4	)		20.61			$	125
Forfeited		(0.2	)		21.74
Outstanding as of December 31, 2011		5.5		$	31.44		1.02	$	55
Vested and expected to vest as of December 31, 2011		5.3		$	31.40		1.01	$	53

Scheduled Of Weighted-Average Assumptions Used To Determine, Fair Value

	As of December 31,
	2011			2010
Risk-free interest rate		0.19	%		0.39	%
Expected term (years)		1.02			0.80
Expected volatility		32.84	%		28.97	%
Dividend yield		—			—

PRSUs And RSUs [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Stock-Based Compensation - Summary Of Activities

	PRSUs and RSUs			Weighted- Average Grant Price		Weighted- Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding as of December 31, 2010		1.5		$	32.66
Granted		1.0			38.88
Converted		—			—
Forfeited		(0.3	)		34.32
Outstanding as of December 31, 2011		2.2		$	35.48		1.87	$	88
Vested and expected to vest as of December 31, 2011		2		$	35.47		1.87	$	83

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Selected Quarterly Financial Data (Unaudited) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2010		Sep. 30, 2010		Jun. 30, 2010		Mar. 31, 2010		Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Selected Quarterly Financial Information [Abstract]
Total revenues	$ 1,122	[1],[2],[3],[4],[5]	$ 1,095	[1],[2],[3],[4],[5]	$ 1,067	[1],[2],[3],[4],[5]	$ 951	[1],[2],[3],[4],[5]	$ 1,015	[1],[10],[6],[7],[8],[9]	$ 926	[1],[10],[6],[7],[8],[9]	$ 963	[1],[10],[6],[7],[8],[9]	$ 869	[1],[10],[6],[7],[8],[9]	$ 4,235	$ 3,773	$ 3,458
Costs of revenues, excluding depreciation and amortization	330	[1],[2],[3],[4],[5]	342	[1],[2],[3],[4],[5]	288	[1],[2],[3],[4],[5]	273	[1],[2],[3],[4],[5]	291	[1],[10],[6],[7],[8],[9]	261	[1],[10],[6],[7],[8],[9]	254	[1],[10],[6],[7],[8],[9]	267	[1],[10],[6],[7],[8],[9]	1,233	1,073	1,044
Operating income	421	[1],[2],[3],[4],[5]	426	[1],[2],[3],[4],[5]	445	[1],[2],[3],[4],[5]	507	[1],[2],[3],[4],[5]	394	[1],[10],[6],[7],[8],[9]	312	[1],[10],[6],[7],[8],[9]	372	[1],[10],[6],[7],[8],[9]	282	[1],[10],[6],[7],[8],[9]	1,799	1,360	1,274
Income from continuing operations, net of taxes	337	[1],[2],[3],[4],[5]	238	[1],[2],[3],[4],[5]	254	[1],[2],[3],[4],[5]	305	[1],[2],[3],[4],[5]	200	[1],[10],[6],[7],[8],[9]	164	[1],[10],[6],[7],[8],[9]	110	[1],[10],[6],[7],[8],[9]	173	[1],[10],[6],[7],[8],[9]	1,134	647	570
(Loss) income from discontinued operations, net of taxes			(1)	[1],[2],[3],[4],[5]					(3)	[1],[10],[6],[7],[8],[9]	25	[1],[10],[6],[7],[8],[9]					(1)	22	(6)
Net income	337	[1],[2],[3],[4],[5]	237	[1],[2],[3],[4],[5]	254	[1],[2],[3],[4],[5]	305	[1],[2],[3],[4],[5]	197	[1],[10],[6],[7],[8],[9]	189	[1],[10],[6],[7],[8],[9]	110	[1],[10],[6],[7],[8],[9]	173	[1],[10],[6],[7],[8],[9]	1,133	669	564
Less net income attributable to noncontrolling interests	(1)	[1],[2],[3],[4],[5]							(6)	[1],[10],[6],[7],[8],[9]	(3)	[1],[10],[6],[7],[8],[9]	(3)	[1],[10],[6],[7],[8],[9]	(4)	[1],[10],[6],[7],[8],[9]	1	16	15
Net income attributable to Discovery Communications, Inc.									191	[1],[10],[6],[7],[8],[9]	186	[1],[10],[6],[7],[8],[9]	107	[1],[10],[6],[7],[8],[9]	169	[1],[10],[6],[7],[8],[9]	1,132	653	549
Stock dividends to preferred interests													(1)	[1],[10],[6],[7],[8],[9]				1	8
Net income available to Discovery Communications, Inc. stockholders	$ 336	[1],[2],[3],[4],[5]	$ 237	[1],[2],[3],[4],[5]	$ 254	[1],[2],[3],[4],[5]	$ 305	[1],[2],[3],[4],[5]	$ 191	[1],[10],[6],[7],[8],[9]	$ 186	[1],[10],[6],[7],[8],[9]	$ 106	[1],[10],[6],[7],[8],[9]	$ 169	[1],[10],[6],[7],[8],[9]	$ 1,132	$ 652	$ 541
Income per share from continuing operations attributable to Discovery Communications, Inc. stockholders:
Basic	$ 0.86	[1],[2],[3],[4],[5]	$ 0.60	[1],[2],[3],[4],[5]	$ 0.63	[1],[2],[3],[4],[5]	$ 0.75	[1],[2],[3],[4],[5]	$ 0.46	[1],[10],[6],[7],[8],[9]	$ 0.38	[1],[10],[6],[7],[8],[9]	$ 0.25	[1],[10],[6],[7],[8],[9]	$ 0.40	[1],[10],[6],[7],[8],[9]	$ 2.82	$ 1.48	$ 1.29
Diluted	$ 0.86	[1],[2],[3],[4],[5]	$ 0.59	[1],[2],[3],[4],[5]	$ 0.62	[1],[2],[3],[4],[5]	$ 0.74	[1],[2],[3],[4],[5]	$ 0.45	[1],[10],[6],[7],[8],[9]	$ 0.37	[1],[10],[6],[7],[8],[9]	$ 0.25	[1],[10],[6],[7],[8],[9]	$ 0.39	[1],[10],[6],[7],[8],[9]	$ 2.80	$ 1.47	$ 1.29
(Loss) income per share from discontinued operations available to Discovery Communications, Inc. stockholders:
Basic									$ (0.01)	[1],[10],[6],[7],[8],[9]	$ 0.06	[1],[10],[6],[7],[8],[9]						$ 0.05	$ (0.01)
Diluted									$ (0.01)	[1],[10],[6],[7],[8],[9]	$ 0.06	[1],[10],[6],[7],[8],[9]						$ 0.05	$ (0.01)
Net income per share available to Discovery Communications, Inc. stockholders:
Basic	$ 0.86	[1],[2],[3],[4],[5]	$ 0.60	[1],[2],[3],[4],[5]	$ 0.63	[1],[2],[3],[4],[5]	$ 0.75	[1],[2],[3],[4],[5]	$ 0.45	[1],[10],[6],[7],[8],[9]	$ 0.44	[1],[10],[6],[7],[8],[9]	$ 0.25	[1],[10],[6],[7],[8],[9]	$ 0.40	[1],[10],[6],[7],[8],[9]	$ 2.82	$ 1.53	$ 1.28
Diluted	$ 0.86	[1],[2],[3],[4],[5]	$ 0.59	[1],[2],[3],[4],[5]	$ 0.62	[1],[2],[3],[4],[5]	$ 0.74	[1],[2],[3],[4],[5]	$ 0.45	[1],[10],[6],[7],[8],[9]	$ 0.43	[1],[10],[6],[7],[8],[9]	$ 0.25	[1],[10],[6],[7],[8],[9]	$ 0.39	[1],[10],[6],[7],[8],[9]	$ 2.80	$ 1.52	$ 1.27
Weighted average shares outstanding:
Basic	391	[1],[2],[3],[4],[5]	398	[1],[2],[3],[4],[5]	406	[1],[2],[3],[4],[5]	409	[1],[2],[3],[4],[5]	422	[1],[10],[6],[7],[8],[9]	426	[1],[10],[6],[7],[8],[9]	426	[1],[10],[6],[7],[8],[9]	425	[1],[10],[6],[7],[8],[9]	401	425	423
Diluted	393	[1],[2],[3],[4],[5]	401	[1],[2],[3],[4],[5]	410	[1],[2],[3],[4],[5]	414	[1],[2],[3],[4],[5]	428	[1],[10],[6],[7],[8],[9]	431	[1],[10],[6],[7],[8],[9]	431	[1],[10],[6],[7],[8],[9]	429	[1],[10],[6],[7],[8],[9]	405	429	425

[1] Income per share amounts for the quarters and full years have each been calculated separately. Accordingly, income per share amounts for a particular quarter may not sum. Additionally, quarterly amounts may not add to the annual amounts because of differences in the average common shares outstanding during each period and, with regard to diluted per common share amounts only, because of the inclusion of the effect of potentially dilutive securities only in the periods in which such effect would have been dilutive.

[2] The results of operations for the quarter ended March 31, 2011 include a pretax gain of $129 million related to the contribution of the domestic Discovery Health network to OWN LLC in connection with the launch of OWN on January 1, 2011. The gain resulted in $27 million of tax expense. (See Note 4.) Additionally, the Company incurred $1 million of restructuring charges and purchased 4.73 million shares of its Series C common stock.

[3] The results of operations for the quarter ended June 30, 2011 include $4 million of restructuring charges. Additionally, the Company repurchased 5.64 million shares of its Series C common stock.

[4] The results of operations for the quarter ended September 30, 2011 include $2 million of restructuring charges. Additionally the Company repurchased 9.79 million shares of its Series C common stock.

[5] The results of operations for the quarter ended December 31, 2011 include a $112 million income tax benefit related to foreign tax credits and $3 million of exit and restructuring charges. Additionally, the Company repurchased 7.00 million shares of its Series C common stock.

[6] The results of operations for the quarter ended March 31, 2010 include a $28 million reversal of foreign tax reserves, $4 million of losses on interest rate swaps, and $3 million of restructuring charges.

[7] The results of operations for the quarter ended June 30, 2010 include a $136 million loss on extinguishment of debt and $23 million of losses on interest rate swaps.

[8] The results of operations for the quarter ended September 30, 2010 include a $12 million reversal of a tax payable related to discontinued operations, an $11 million pretax noncash impairment charge related to goodwill, and $4 million of exit and restructuring charges. Additionally, the Company repurchased 1.12 million shares of its Series C common stock.

[9] On September 1, 2010, the Company sold its Antenna Audio business for net cash proceeds of $24 million, which resulted in a $9 million gain, net of taxes. The operating results of Antenna Audio have been reported as discontinued operations for all periods. Certain quarterly financial data in the above table vary from the amounts previously reported on the Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2010 due to subsequent presentation of Antenna Audio as discontinued operations.

[10] The results of operations for the quarter ended December 31, 2010 include $7 million of exit and restructuring charges. Additionally, the Company repurchased 1.87 million shares of its Series C common stock and 13.73 million shares of its Series C convertible preferred stock.

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Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Operating Activities
Net income	$ 1,133	$ 669	$ 564
Adjustments to reconcile net income to cash provided by operating activities:
Stock-based compensation	99	182	228
Depreciation and amortization	119	132	155
Content amortization and impairment expense	846	715	709
Gains on dispositions	(129)	(9)	(252)
Equity in losses and distributions from investee companies	65	72	28
Other, net	109	58	44
Changes in operating assets and liabilities:
Receivables, net	(179)	(81)	(37)
Content rights	(884)	(774)	(758)
Accounts payable and accrued liabilities	6	(1)	28
Stock-based compensation liabilities	(126)	(158)	(81)
Income tax receivable	72	(107)
Other, net	(31)	(30)	14
Cash provided by operating activities	1,100	668	642
Investing Activities
Purchases of property and equipment	(58)	(49)	(55)
Business acquisitions, net of cash acquired	(26)	(38)
Proceeds from dispositions, net		24	300
Investment proceeds	21		24
Investments in, advances to and payments on behalf of equity investees	(151)	(127)	(31)
Cash (used in) provided by investing activities	(214)	(190)	238
Financing Activities
Net repayments of revolver loans			(315)
Borrowings from long-term debt, net of discount and issuance costs	639	2,970	970
Principal repayments of long-term debt		(2,883)	(1,012)
Principal repayments of capital lease obligations	(20)	(10)	(14)
Repurchases of common and preferred stock	(997)	(605)
Purchase of noncontrolling interests		(148)
Cash distributions to noncontrolling interests	(7)	(31)	(13)
Proceeds from stock option exercises	60	47	28
Excess tax benefits from stock-based compensation	28	19
Cash used in financing activities	(297)	(641)	(356)
Effect of exchange rate changes on cash and cash equivalents	(7)	6	5
Net change in cash and cash equivalents	582	(157)	529
Cash and cash equivalents, beginning of period	466	623	94
Cash and cash equivalents, end of period	1,048	466	623
Cash paid for interest, net:
Periodic interest payments for debt, interest rate swaps and capital lease obligations	205	217	242
Make-whole premiums, termination payments, and repayment of original issue discount		148	3
Total cash paid for interest, net	205	365	245
Cash paid for taxes, net	288	395	444
Noncash Investing and Financing Transactions
Investment in OWN	273
Assets acquired under capital lease arrangements		28	61
Stock dividends to preferred interests		1	8
Acquisitions
Fair value of assets	35	38
Fair value of liabilities	(9)
Cash paid, net of cash acquired	$ 26	$ 38

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Income Taxes (Schedule Of Deferred Income Tax Assets And Liabilities In Statement Of Financial Position) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Income Taxes [Abstract]
Deferred income tax assets	$ 73	$ 81
Deferred income tax liabilities	(337)	(304)
Net deferred income tax liabilities	$ (264)	$ (223)

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Variable Interest Entities

12 Months Ended

Dec. 31, 2011

Variable Interest Entities [Abstract]

Variable Interest Entities

NOTE 4. VARIABLE INTEREST ENTITIES

In the normal course of business, the Company makes investments that support its underlying business strategy and provide it the ability to enter new markets for its brands, develop programming, and distribute its existing content. In certain instances, an investment may qualify as a VIE. (See Note 2.) As of December 31, 2011 and 2010, the Company's VIEs primarily consisted of Hub Television Networks LLC and OWN LLC, which operate pay-television networks. The Company previously had ownership interests in ventures with BBC Worldwide that were VIEs, substantially all of which were consolidated. On November 12, 2010, the Company acquired the interests of BBC Worldwide in these ventures, and the Company now wholly owns most of these entities and continues to consolidate them.

As of December 31, 2011 and 2010, the Company accounted for its interests in VIEs using the equity method. The aggregate carrying values of these equity method investments were $807 million and $453 million as of December 31, 2011 and 2010, respectively. The Company recognized equity losses of $33 million, $55 million, and $19 million for 2011, 2010 and 2009, respectively, for its portion of net losses generated by VIEs accounted for using the equity method, which were recorded in other (expense) income, net on the consolidated statements of operations.

The Company's estimated risk of loss for investments in VIEs was approximately $838 million as of December 31, 2011, which includes the carrying value of its investments, the unfunded portion of contractual funding commitments to equity method investees, and guarantees made on behalf of equity method investees. Actual amounts funded to OWN have exceed contractual funding commitments, and the Company intends to continue to fund significant amounts to OWN. The Company has not recorded any obligations for future funding. The estimated risk of loss excludes the Company's operating performance guarantee for Hub Television Networks LLC disclosed below.

Hub Television Networks LLC

On May 22, 2009, the Company and Hasbro, Inc. ("Hasbro") formed a 50-50 joint venture. In connection with the formation, the Company sold a 50% interest in the U.S. Discovery Kids network to Hasbro and both parties then contributed their interests in the U.S. Discovery Kids network to the newly formed joint venture (the "U.S. Discovery Kids Transaction"). The Company received an upfront cash payment of $300 million and the right to certain future payments, which are expected to be collected over a period of up to 20 years, based on the value of certain tax benefits expected to be received by Hasbro. The present value of the expected future payments at the acquisition date totaled approximately $57 million. The balance of the receivable was $49 million as of December 31, 2011. The Company recognized a pretax gain of $252 million in connection with the formation of the joint venture, which included $125 million for the 50% interest in the U.S. Discovery Kids network sold to Hasbro and $127 million as a result of "stepping up" its basis for the 50% interest in the U.S. Discovery Kids network contributed to the joint venture. The network continued to operate as the Discovery Kids network through October 10, 2010, at which time it was rebranded as The Hub, which is a pay-television network that provides children's and family entertainment and educational programming. The Company is obligated to provide the joint venture with funding of up to $15 million and services such as distribution, sales, and administrative support for a fee. (See Note 19.) The Company has not provided any funding as of December 31, 2011.

Based upon the level of equity investment at risk, the joint venture is a VIE. Discovery and its joint venture partner, together, direct the activities of The Hub that most significantly impact its economic performance, because decisions about programming and marketing strategy require the consent of both joint venture partners. The joint venture partners share equally in voting control and jointly consent to operating, financing and investing decisions. Neither has special governance rights, and both are equally represented on the Board of The Hub. The joint venture partners also share equally in the profits, losses, and funding of the joint venture. The Company has determined that it is not the primary beneficiary of The Hub. Accordingly, the Company accounts for its investment in The Hub using the equity method.

Through December 31, 2015, the Company has guaranteed a certain level of performance for the joint venture that requires compensation to Hasbro to the extent that distribution metrics decline versus levels historically achieved by the Discovery Kids channel. This guarantee extends on a declining basis through the period of guarantee. Upon inception of the joint venture, the maximum amount potentially due under this guarantee was $300 million. As of December 31, 2011, the maximum amount potentially due under this guarantee was less than $160 million. The maximum exposure to loss is expected to decline to zero during 2015. As the joint venture's distribution is generally provided under long-term contracts with stable subscriber levels, the Company believes the likelihood is remote that the performance levels will not be achieved and, therefore, the performance guarantee is unlikely to have a material adverse impact on the Company's financial position, operating results, or cash flows. Accordingly, the fair value of the guarantee was not material as of December 31, 2011.

On May 23, 2011, The Hub revised its arrangement with Hasbro Studios to increase the license fees paid to Hasbro Studios for animated programming. This change created a trigger event for purposes of intangible asset and goodwill impairment testing. The Hub's management prepared a fair value assessment using a DCF valuation model for purposes of performing step one of the goodwill impairment test. The underlying assumptions, such as future cash flows, weighted average cost of capital, and long-term growth rates were generally not observable in the marketplace, and therefore, involved significant judgment. The estimated fair value of The Hub exceeded its carrying value. During the fourth quarter of 2011, The Hub completed its annual impairment review of goodwill. No impairments were recorded. Given that the early results of The Hub's operations have been below its initial long-term business plan, there is a possibility that future results may vary from the current assumptions in the long-term business plan. The Company will monitor the valuation of its investment in accordance with GAAP, which requires an impairment charge when there is an other-than-temporary decline in the investment's value.

Beginning May 22, 2009, the Company ceased to consolidate the gross operating results of the U.S. Discovery Kids network and began accounting for its interests in the joint venture using the equity method. However, as Discovery continues to be involved in the operations of the venture, the Company has not presented the financial position, results of operations and cash flows of the U.S. Discovery Kids network recorded through May 21, 2009 as discontinued operations. Accordingly, the Company's consolidated results of operations for 2009 include the gross operating results of the U.S. Discovery Kids network through May 21, 2009. However for subsequent periods, Discovery records only its proportionate share of the venture's net operating results as a component of other (expense) income, net on the consolidated statements of operations.

The carrying values of the Company's investment in The Hub were $334 million and $344 million as of December 31, 2011 and December 31, 2010, respectively.

OWN LLC

OWN LLC operates OWN, which is a pay-television network and website that provides adult lifestyle content focused on self-discovery and self-improvement that launched on January 1, 2011. In connection with the launch of OWN, the Company contributed the domestic Discovery Health network to the venture. The contribution did not impact the Company's ownership interest, voting control, or governance rights related to OWN. Subsequent to the contribution, the Company no longer consolidates the domestic Discovery Health network, which was a component of its U.S. Networks segment. The assets of the Discovery Health network included goodwill and other identifiable assets with carrying values of $136 million and $8 million, respectively.

The Company recorded the contribution at fair value, which resulted in a pretax gain of $129 million. The fair value of the Company's retained equity interest in OWN at the date of launch was estimated to be $273 million. The gain represents the fair value of the equity investment retained less the carrying values of contributed assets. The gain resulted in tax expense of $27 million. The fair value of the contribution of the Discovery Health network to OWN was determined utilizing customary valuation methodologies including DCF models. The underlying assumptions, such as future cash flows, weighted average costs of capital and long-term growth rates were generally not observable in the marketplace, and therefore, involved significant judgment.

Based on changes in the long-term projections for OWN, the Company reviewed the carrying value of its equity and note receivable investment in OWN as of December 31, 2011. Using the revised long-term projections, the fair value of the network was assessed using a DCF valuation model. The underlying assumptions, such as future cash flows, weighted average cost of capital and long-term growth rates were generally not observable in the marketplace, and therefore, involved significant judgment. The fair value of the investment in OWN exceeded the Company's carrying value as of December 31, 2011. No impairment of the investment balance was recorded for the year ended December 31, 2011. Given that the early results of OWN's operations have been below its initial business plan, there is a possibility that the results of OWN's future operations will fall below the revised long-term projections. The Company will continue to monitor the financial results of OWN along with other relevant business information to determine if an impairment has occurred regarding the recoverability of the OWN loan and valuation of the Company's investment in OWN in accordance with GAAP.

The Company provides OWN funding and services such as distribution, licensing, sales and administrative support for a fee. (See Note 19.) The Company has provided all required funding as of December 31, 2011. The Company's total funding to OWN, including interest accrued on outstanding borrowings, was $312 million, which is in excess of its commitment of $189 million. The Company's funding to OWN is expected to exceed OWN's earnings for the next two years. The funding is secured by the net assets of OWN. While the Company expects to provide significant additional funding to OWN, the Company also expects to recoup amounts funded. The funding to OWN accrues interest at 7.5% compounded annually. There can be no event of default on the borrowing until 2023. However, borrowings are scheduled for repayment four years after the borrowing date to the extent that OWN has excess cash to repay the borrowings then due. OWN will distribute its initial excess cash to the Company to repay funding then due. Following repayment of funding then due, OWN's subsequent cash distributions will be shared equally between the Company and Harpo Inc. ("Harpo").

Based upon the level of equity investment at risk, OWN is a VIE. While the investors have an equal share in voting control, power is not shared because certain activities that significantly impact OWN's economic performance are directed by Harpo ("Harpo"). Harpo holds operational rights related to programming and marketing, as well as selection and retention of key management personnel. The Company has determined that it is not the primary beneficiary of OWN, because it does not control these activities that are critical to OWN's operating performance and success. Accordingly, the Company accounts for its investment in OWN using the equity method.

Net losses generated by OWN are currently allocated to both investors based on their proportionate ownership interests, which are 50-50. Prior to the contribution of the Discovery Health network to OWN at its launch, the Company recognized 100% of OWN's net losses. If future operating losses at OWN exceed the balance of equity contributions recorded by OWN and the equity balance of OWN is depleted, Discovery will record 100% of any future operating losses in loss from equity investees, net as long as Discovery continues to provide all funding to OWN. Future net income generated by OWN will initially be allocated 100% to the Company for at least $104 million, the amount of pre-contribution net losses recognized, plus any additional losses absorbed in excess of Discovery's equity ownership interest.

The carrying value of the Company's investment in OWN, including its equity method investment and note receivable balance, was $420 million and $52 million as of December 31, 2011 and 2010, respectively.

Pursuant to the venture agreement, Harpo has the right to require the Company to purchase all or part of its interest in OWN at fair market value up to a maximum put amount every two and one half years commencing on January 1, 2016. The maximum put amount is a range from $100 million on the first put exercise date up to $400 million on the fourth put exercise date. The Company has recorded no amounts for the put right.

Other VIEs

Other VIEs principally include various cable and satellite network ventures in which the Company holds ownership interests from 16% to 50%. The carrying value of the Company's investments in other VIEs accounted for using the equity method was $53 million and $57 million as of December 31, 2011 and 2010, respectively.

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Content Rights (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Content expense	$ 968	$ 833	$ 828
Content impairments	62	51	75
Unamortized costs of content rights, percentage	96.00%
Amortization of unamortized content rights	574
Royalty revenue or expenses	0	0	0
Content costs	$ 151	$ 122	$ 123
96% Of Unamortized Costs [Member]
Amortization period	3
$574 Million Of Unamortized Costs [Member]
Amortization period	12

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Exit And Restructuring Charges (Changes In Exit And Restructuring Liabilities) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Restructuring Cost and Reserve [Line Items]
Exit and restructuring Liabilities, Balance	$ 15	$ 21	$ 24
Exit and restructuring charges, net accruals	10	14	26
Exit and restructuring charges, cash paid	(16)	(20)	(29)
Exit and restructuring Liabilities, Balance	9	15	21
Contract Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Exit and restructuring Liabilities, Balance	5	8	6
Exit and restructuring charges, net accruals		3	5
Exit and restructuring charges, cash paid	(1)	(6)	(3)
Exit and restructuring Liabilities, Balance	4	5	8
Employee Relocation/Terminations [Member]
Restructuring Cost and Reserve [Line Items]
Exit and restructuring Liabilities, Balance	10	13	18
Exit and restructuring charges, net accruals	10	11	21
Exit and restructuring charges, cash paid	(15)	(14)	(26)
Exit and restructuring Liabilities, Balance	$ 5	$ 10	$ 13

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Reportable Segments (Schedule Of Property And Equipment By Country) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Property and equipment, net	$ 379	$ 399
U.S [Member]
Segment Reporting Information [Line Items]
Property and equipment, net	271	280
U.K. [Member]
Segment Reporting Information [Line Items]
Property and equipment, net	80	84
Other Non U.S. [Member]
Segment Reporting Information [Line Items]
Property and equipment, net	$ 28	$ 35

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Debt (Schedule Of Debt Payments) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011
Debt [Abstract]
2012
2013
2014
2015	850
2016
Thereafter	$ 3,300

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Reportable Segments

12 Months Ended

Dec. 31, 2011

Reportable Segments [Abstract]

Reportable Segments

NOTE 21. REPORTABLE SEGMENTS

The Company's reportable segments are determined based on (i) financial information reviewed by the chief operating decision maker ("CODM"), the Chief Executive Officer, (ii) internal management and related reporting structure and (iii) the basis upon which the CODM makes resource allocation decisions.

The accounting policies of the reportable segments are the same as the Company's, except that certain inter-segment transactions that are eliminated at the consolidated level are not eliminated at the segment level as they are treated as a third-party sales transactions in determining segment performance. Inter-segment transactions, which primarily include the purchase of advertising and content between segments, were not significant for the periods presented.

The Company evaluates the operating performance of its segments based on financial measures such as revenues and adjusted operating income before depreciation and amortization ("Adjusted OIBDA"). Adjusted OIBDA is defined as revenues less costs of revenues and selling, general and administrative expenses excluding: (i) mark-to-market stock-based compensation, (ii) depreciation and amortization, (iii) amortization of deferred launch incentives, (iv) exit and restructuring charges, (v) certain impairment charges and (vi) gains (losses) on business and asset dispositions. The Company uses this measure to assess the operating results and performance of its segments, perform analytical comparisons, identify strategies to improve performance and allocate resources to each segment. The Company believes Adjusted OIBDA is relevant to investors because it allows them to analyze the operating performance of each segment using the same metric management uses. The Company excludes mark-to-market stock-based compensation, exit and restructuring charges, certain impairment charges and gains (losses) on business and asset dispositions from the calculation of Adjusted OIBDA due to their volatility. The Company also excludes depreciation of fixed assets and amortization of intangible assets and deferred launch incentives as these amounts do not represent cash payments in the current reporting period. Adjusted OIBDA should be considered in addition to, but not a substitute for, operating income, net income, cash flows provided by operating activities and other measures of financial performance reported in accordance with GAAP.

The following tables present summarized financial information for each of the Company's reportable segments (in millions).

Revenues by Segment

	Year Ended December 31,
	2011			2010		2009
U.S. Networks	$	2,619		$	2,363	$	2,170
International Networks		1,455			1,251		1,131
Education and Other		162			153		148
Corporate and inter-segment eliminations		(1	)		6		9
Total revenues	$	4,235		$	3,773	$	3,458

Adjusted OIBDA by Segment

	Year Ended December 31,
	2011			2010			2009
U.S. Networks	$	1,495		$	1,365		$	1,229
International Networks		645			545			445
Education and Other		23			15			16
Corporate and inter-segment eliminations		(249	)		(226	)		(204	)
Total Adjusted OIBDA	$	1,914		$	1,699		$	1,486

Reconciliation of Total Adjusted OIBDA to Total Operating Income

	Year Ended December 31,
	2011			2010			2009
Total Adjusted OIBDA	$	1,914		$	1,699		$	1,486
Amortization of deferred launch incentives		(52	)		(42	)		(55	)
Mark-to-market stock-based compensation		(43	)		(142	)		(205	)
Depreciation and amortization		(119	)		(130	)		(152	)
Restructuring and impairment charges		(30	)		(25	)		(52	)
Gains on dispositions		129			—			252
Total operating income	$	1,799		$	1,360		$	1,274

Total Assets by Segment

	As of December 31,
	2011		2010
U.S. Networks	$	2,679	$	2,218
International Networks		1,244		1,127
Education and Other		68		74
Corporate		7,922		7,600
Total assets	$	11,913	$	11,019

Total assets allocated to "Corporate" in the above table includes the Company's goodwill balance as the financial reports reviewed by the Company's CODM do not include an allocation of goodwill to each reportable segment. Goodwill by reportable segment is disclosed in Note 9.

Content Amortization and Impairment Expense by Segment

		$4,235		$4,235		$4,235
	Year Ended December 31,
	2011		2010		2009
U.S. Networks	$	567	$	463	$	439
International Networks		270		241		259
Education and Other		4		7		8
Corporate		5		4		3
Total content amortization and impairment expense	$	846	$	715	$	709

Content amortization and impairment expenses are included in costs of revenues on the consolidated statements of operations.

Revenues by Country

		$4,235		$4,235		$4,235
	Year Ended December 31,
	2011		2010		2009
U.S.	$	2,784	$	2,504	$	2,297
Non-U.S.		1,451		1,269		1,161
Total revenues	$	4,235	$	3,773	$	3,458

Distribution and advertising revenues are attributed to each country based on the location of the Company's viewers. Other revenues are attributed to each country based on customer location.

Property and Equipment by Country

	As of December 31,
	2011		2010
U.S.	$	271	$	280
U.K.		80		84
Other non-U.S.		28		35
Total property and equipment, net	$	379	$	399

Property and equipment balances are allocated to each country based on the Company's country of domicile and location of asset.

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Equity (Schedule Of Change In Components Of Accumulated Other Comprehensive Loss) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Equity [Abstract]
Foreign currency translation adjustments, net	$ (29)	$ (39)	$ (20)
Market value adjustments and reclassifications for securities and derivatives, net	6	6	(1)
Ending balance	$ (23)	$ (33)	$ (21)

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Debt (Tables)

12 Months Ended

Dec. 31, 2011

Debt [Abstract]

Outstanding Debt

	As of December 31,
	2011			2010
3.70% Senior Notes, semi-annual interest, due June 2015		850			850
5.625% Senior Notes, semi-annual interest, due August 2019		500			500
5.05% Senior Notes, semi-annual interest, due June 2020		1,300			1,300
4.375% Senior Notes, semi-annual interest, due June 2021		650			—
6.35% Senior Notes, semi-annual interest, due June 2040		850			850
Capital lease obligations		106			126
Total long-term debt		4,256			3,626
Unamortized discount		(11	)		(8	)
Long-term debt, net		4,245			3,618
Current portion of long-term debt		(26	)		(20	)
Noncurrent portion of long-term debt	$	4,219		$	3,598

Schedule Of Debt Payments

	2012		2013		2014		2015		2016		Thereafter
Long-term debt payments	$	—	$	—	$	—	$	850	$	—	$	3,300

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Retirement Savings Plans

12 Months Ended

Dec. 31, 2011

Retirement Savings Plans [Abstract]

Retirement Savings Plans

NOTE 14. RETIREMENT SAVINGS PLANS

The Company has defined contribution and other savings plans for the benefit of its employees that meet certain eligibility requirements. Eligible employees may contribute a portion of their eligible compensation to the plans, which may be subject to certain statutory limitations. The Company pays discretionary matching contributions, subject to plan provisions, which vest immediately. The Company paid discretionary matching contributions of $14 million, $13 million, and $15 million during 2011, 2010, and 2009, respectively, which were recorded in selling, general and administrative costs on the consolidated statements of operations.

The Company's savings plans include a deferred compensation plan through which members of the Company's management team in the U.S. may elect to defer up to 50% of their eligible compensation. The amounts deferred are invested in various mutual funds at the direction of the executive, which are used to finance payment of the deferred compensation obligation. Distributions from the deferred compensation plan are made upon termination or other events as specified in the plan.

The Company has established a separate trust to hold the investments that finance the deferred compensation obligation. The accounts of the separate trust are included in the Company's consolidated financial statements. The values of the investments in the separate trust and the deferred compensation obligation were both $76 million and $55 million as of December 31, 2011 and 2010, respectively. The investments are included in prepaid expenses and other current assets and the deferred compensation obligation is included in accrued liabilities on the consolidated balance sheets.

The values of the investments and deferred compensation obligation are recorded at fair value. Changes in the fair value of the investments are offset by changes in the fair value of the deferred compensation obligation. Changes in the fair values of the investments and deferred compensation obligation were not material for 2011, 2010, and 2009. (See Note 6.)

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Reportable Segments (Schedule Of Adjusted OIBDA By Segment) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Segment Reporting Information [Line Items]
Total Adjusted OIBDA	$ 1,914	$ 1,699	$ 1,486
U.S. Networks [Member]
Segment Reporting Information [Line Items]
Adjusted Operating Income Before Depreciation and Amortization by Segment	1,495	1,365	1,229
International Networks [Member]
Segment Reporting Information [Line Items]
Adjusted Operating Income Before Depreciation and Amortization by Segment	645	545	445
Education And Other [Member]
Segment Reporting Information [Line Items]
Adjusted Operating Income Before Depreciation and Amortization by Segment	23	15	16
Corporate And Inter-Segment Eliminations [Member]
Segment Reporting Information [Line Items]
Adjusted Operating Income Before Depreciation and Amortization by Segment	$ (249)	$ (226)	$ (204)