Programming and Other Inventory (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Inventory Disclosure [Abstract]
Program rights	$ 1,471cbs_AcquiredProgramRights	$ 1,331cbs_AcquiredProgramRights
Television programming:
Released (including acquired libraries)	983cbs_ReleasedTelevisionProgramming	878cbs_ReleasedTelevisionProgramming
In process and other	179	139
Theatrical programming:
Released theatrical programming	23us-gaap_TheatricalFilmCostsReleased	38us-gaap_TheatricalFilmCostsReleased
In process and other theatrical programming	36us-gaap_TheatricalFilmCostsProduction	32us-gaap_TheatricalFilmCostsProduction
Publishing, primarily finished goods	47cbs_PublishingPrimarilyFinishedGoods	51cbs_PublishingPrimarilyFinishedGoods
Total programming and other inventory	2,739cbs_InventoryTotal	2,469cbs_InventoryTotal
Less current portion	922us-gaap_InventoryNet	772us-gaap_InventoryNet
Total noncurrent programming and other inventory	$ 1,817us-gaap_InventoryNoncurrent	$ 1,697us-gaap_InventoryNoncurrent

Carrying amount as of the balance sheet date of acquired program rights.

No definition available.

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- Definition

Carrying amount as of the balance sheet date of inventories of partially completed television programming.

+ References

No definition available.

+ Details

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- Definition

Total current and noncurrent inventory.

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of publishing inventories including primarily finished goods, as well as raw materials and work in process.

+ References

No definition available.

+ Details

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- Definition

Carrying amount as of the balance sheet date of inventories of completed television programming.

+ References

No definition available.

+ Details

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- Details

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- Definition

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.6(a))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 330

-SubTopic 10

-Section 35

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6386567&loc=d3e3927-108312

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765

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- Definition

Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.

+ References

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- Definition

The amount of direct negative costs incurred in the production of a theatrical film, as well as allocations of production overhead and capitalized interest. Examples of direct negative costs include costs of story and scenario; compensation of cast, directors, producers, extras, and miscellaneous staff; costs of set construction and operations, wardrobe, and accessories; costs of sound synchronization; rental facilities on location; and postproduction costs such as music, special effects, and editing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 926

-SubTopic 20

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6473108&loc=d3e54431-107959

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- Definition

The amount of direct negative costs incurred in the release of a theatrical film, as well as allocations of production overhead and capitalized interest. Examples of direct negative costs include costs of story and scenario; compensation of cast, directors, producers, extras, and miscellaneous staff; costs of set construction and operations, wardrobe, and accessories; costs of sound synchronization; rental facilities on location; and postproduction costs such as music, special effects, and editing.

+ References

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