Description of business and basis of consolidation and presentation	9 Months Ended
Sep. 30, 2012
Description of business and basis of consolidation and presentation
Description of business and basis of consolidation and presentation	1. Description of business and basis of consolidation and presentation Description of Business Activision Blizzard, Inc. is a worldwide online, personal computer (“PC”), video game console, handheld and mobile device game publisher. The terms “Activision Blizzard,” the “Company,” “we,” “us,” and “our” are used to refer collectively to Activision Blizzard, Inc. and its subsidiaries. We maintain significant operations in the United States, Canada, the United Kingdom, France, Germany, Ireland, Italy, Sweden, Spain, the Netherlands, Australia, South Korea and China. The common stock of Activision Blizzard is traded on The NASDAQ Stock Market under the ticker symbol “ATVI.” Vivendi S.A. (“Vivendi”) owned approximately 61% of Activision Blizzard's outstanding common stock at September 30, 2012. Currently, we operate under three operating segments: Activision Publishing, Inc. Activision Publishing, Inc. (“Activision”) is a leading international developer and publisher of interactive entertainment. Activision develops games based on both internally-developed and licensed intellectual property. Activision markets and sells games we develop and, through our affiliate label program, games developed by certain third-party publishers. We sell games both through retail channels and by digital download. Activision currently offers games that operate on the Sony Computer Entertainment, Inc. (“Sony”) PlayStation 3 (“PS3”), Nintendo Co. Ltd. (“Nintendo”) Wii (“Wii”), and Microsoft Corporation (“Microsoft”) Xbox 360 (“Xbox 360”) console systems; the Nintendo Dual Screen handheld game systems; the PC; and Apple iOS devices and other handheld and mobile devices. Blizzard Entertainment, Inc. Blizzard Entertainment, Inc. (“Blizzard”) is a leader in the subscription-based massively multi-player online role-playing game (“MMORPG”) category in terms of both subscriber base and revenues generated through its World of Warcraft® franchise, which it develops, hosts and supports. Blizzard also develops, markets and sells role-playing action and strategy PC-based computer games, including games in the multiple-award winning Diablo® and StarCraft® franchises. In addition, Blizzard maintains a proprietary online-game related service, Battle.net®. Blizzard distributes its products and generates revenues worldwide through various means, including: subscriptions (which consist of fees from individuals playing World of Warcraft, prepaid cards and other value-added service revenues such as realm transfers, faction changes, and other character customizations within World of Warcraft gameplay); retail sales of physical “boxed” products; online download sales of PC products; and licensing of software to third-party or related party companies that distribute World of Warcraft, StarCraft® II and Diablo III. Activision Blizzard Distribution Activision Blizzard Distribution (“Distribution”) consists of operations in Europe that provide warehousing, logistical and sales distribution services to third-party publishers of interactive entertainment software, our own publishing operations, and manufacturers of interactive entertainment hardware. Basis of Consolidation and Presentation Activision Blizzard prepared the accompanying unaudited condensed consolidated financial statements in accordance with the rules and regulations of the Securities and Exchange Commission for interim reporting. As permitted under those rules and regulations, certain notes or other information that are normally required by accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been condensed or omitted if they substantially duplicate the disclosures contained in the annual audited consolidated financial statements. The year-end condensed balance sheet data was derived from audited financial statements but does not include all disclosures required by U.S. GAAP. The unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2011. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for fair statement of our financial position and results of operations in accordance with U.S. GAAP have been included in the accompanying unaudited condensed consolidated financial statements. The accompanying consolidated financial statements include the accounts and operations of the Company. All intercompany accounts and transactions have been eliminated. The consolidated financial statements have been prepared in conformity with U.S. GAAP. The preparation of the consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could differ from these estimates and assumptions. The Company considers events or transactions that occur after the balance sheet date, but before the financial statements are issued, to provide additional evidence relative to certain estimates or to identify matters that require additional disclosures. Results of Adjustment We identified through our internal processes that, in previous years, we erroneously over-recognized revenue for a country in our Europe region. We performed an evaluation under SEC Staff Accounting Bulletin No. 108 and concluded the effect of this error was immaterial to prior years' financial statements as well as the projected full-year 2012 financial statements. As such, during the nine months ended September 30, 2012, we recorded an adjustment to reduce net revenues and operating income by $11 million in our consolidated statements of operations, and similarly reduced net revenues and income from operations before income tax expenses in our Blizzard segment, Europe region, and online subscriptions as presented in footnote 7 of the notes to the condensed consolidated financial statements by $11 million. There was no impact to operating cash flows. The adjustment increased the deferred revenues on our consolidated balance sheet and represents a correction of an error. The $11 million adjustment related to prior periods as follows: (i) approximately $1 million for the quarter ended March 31, 2012; (ii) approximately $1 million for each quarter of 2011 (totaling approximately $4 million for the year ended December 31, 2011); (iii) $2 million for the year ended December 31, 2010; and (iv) approximately $4 million for periods prior to the year ended December 31, 2010. Net income decreased by approximately $9 million, or less than $0.01 earnings per basic and diluted share, as a result of recording this adjustment.

Description of business and basis of consolidation and presentation

9 Months Ended

Sep. 30, 2012

Description of business and basis of consolidation and presentation

Description of business and basis of consolidation and presentation

1. Description of business and basis of consolidation and presentation

Description of Business

Activision Blizzard, Inc. is a worldwide online, personal computer (“PC”), video game console, handheld and mobile device game publisher. The terms “Activision Blizzard,” the “Company,” “we,” “us,” and “our” are used to refer collectively to Activision Blizzard, Inc. and its subsidiaries. We maintain significant operations in the United States, Canada, the United Kingdom, France, Germany, Ireland, Italy, Sweden, Spain, the Netherlands, Australia, South Korea and China.

The common stock of Activision Blizzard is traded on The NASDAQ Stock Market under the ticker symbol “ATVI.” Vivendi S.A. (“Vivendi”) owned approximately 61% of Activision Blizzard's outstanding common stock at September 30, 2012.

Currently, we operate under three operating segments:

Activision Publishing, Inc.

Activision Publishing, Inc. (“Activision”) is a leading international developer and publisher of interactive entertainment. Activision develops games based on both internally-developed and licensed intellectual property. Activision markets and sells games we develop and, through our affiliate label program, games developed by certain third-party publishers. We sell games both through retail channels and by digital download. Activision currently offers games that operate on the Sony Computer Entertainment, Inc. (“Sony”) PlayStation 3 (“PS3”), Nintendo Co. Ltd. (“Nintendo”) Wii (“Wii”), and Microsoft Corporation (“Microsoft”) Xbox 360 (“Xbox 360”) console systems; the Nintendo Dual Screen handheld game systems; the PC; and Apple iOS devices and other handheld and mobile devices.

Blizzard Entertainment, Inc.

Blizzard Entertainment, Inc. (“Blizzard”) is a leader in the subscription-based massively multi-player online role-playing game (“MMORPG”) category in terms of both subscriber base and revenues generated through its World of Warcraft® franchise, which it develops, hosts and supports. Blizzard also develops, markets and sells role-playing action and strategy PC-based computer games, including games in the multiple-award winning Diablo® and StarCraft® franchises. In addition, Blizzard maintains a proprietary online-game related service, Battle.net®. Blizzard distributes its products and generates revenues worldwide through various means, including: subscriptions (which consist of fees from individuals playing World of Warcraft, prepaid cards and other value-added service revenues such as realm transfers, faction changes, and other character customizations within World of Warcraft gameplay); retail sales of physical “boxed” products; online download sales of PC products; and licensing of software to third-party or related party companies that distribute World of Warcraft, StarCraft® II and Diablo III.

Activision Blizzard Distribution

Activision Blizzard Distribution (“Distribution”) consists of operations in Europe that provide warehousing, logistical and sales distribution services to third-party publishers of interactive entertainment software, our own publishing operations, and manufacturers of interactive entertainment hardware.

Basis of Consolidation and Presentation

Activision Blizzard prepared the accompanying unaudited condensed consolidated financial statements in accordance with the rules and regulations of the Securities and Exchange Commission for interim reporting. As permitted under those rules and regulations, certain notes or other information that are normally required by accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been condensed or omitted if they substantially duplicate the disclosures contained in the annual audited consolidated financial statements. The year-end condensed balance sheet data was derived from audited financial statements but does not include all disclosures required by U.S. GAAP. The unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2011. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for fair statement of our financial position and results of operations in accordance with U.S. GAAP have been included in the accompanying unaudited condensed consolidated financial statements.

The accompanying consolidated financial statements include the accounts and operations of the Company. All intercompany accounts and transactions have been eliminated. The consolidated financial statements have been prepared in conformity with U.S. GAAP. The preparation of the consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could differ from these estimates and assumptions.

The Company considers events or transactions that occur after the balance sheet date, but before the financial statements are issued, to provide additional evidence relative to certain estimates or to identify matters that require additional disclosures.

Results of Adjustment

We identified through our internal processes that, in previous years, we erroneously over-recognized revenue for a country in our Europe region. We performed an evaluation under SEC Staff Accounting Bulletin No. 108 and concluded the effect of this error was immaterial to prior years' financial statements as well as the projected full-year 2012 financial statements. As such, during the nine months ended September 30, 2012, we recorded an adjustment to reduce net revenues and operating income by $11 million in our consolidated statements of operations, and similarly reduced net revenues and income from operations before income tax expenses in our Blizzard segment, Europe region, and online subscriptions as presented in footnote 7 of the notes to the condensed consolidated financial statements by $11 million. There was no impact to operating cash flows. The adjustment increased the deferred revenues on our consolidated balance sheet and represents a correction of an error. The $11 million adjustment related to prior periods as follows: (i) approximately $1 million for the quarter ended March 31, 2012; (ii) approximately $1 million for each quarter of 2011 (totaling approximately $4 million for the year ended December 31, 2011); (iii) $2 million for the year ended December 31, 2010; and (iv) approximately $4 million for periods prior to the year ended December 31, 2010. Net income decreased by approximately $9 million, or less than $0.01 earnings per basic and diluted share, as a result of recording this adjustment.