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Goodwill And Acquired Intangible Assets (Schedule Of Acquisition-Related Intangible Assets) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2011
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Oct. 01, 2011
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Jul. 02, 2011
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Apr. 02, 2011
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Dec. 25, 2010
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Sep. 25, 2010
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Jun. 26, 2010
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Mar. 27, 2010
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Dec. 31, 2011
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Dec. 25, 2010
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Dec. 26, 2009
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| Finite-Lived Intangible Assets [Line Items] | |||||||||||
| Intangible assets, net, at beginning balance | $ 37 | $ 98 | $ 37 | $ 98 | |||||||
| Amortization expense | (3) | (8) | (9) | (9) | (11) | (16) | (17) | (17) | (29) | (61) | (70) |
| Intangible assets, net, at ending balance | 8 | 37 | 8 | 37 | 98 | ||||||
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Game Console Royalty Agreements [Member]
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| Finite-Lived Intangible Assets [Line Items] | |||||||||||
| Intangible assets, net, at beginning balance | 25 | 54 | 25 | 54 | |||||||
| Amortization expense | (25) | (29) | |||||||||
| Intangible assets, net, at ending balance | 25 | 25 | |||||||||
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Customer Relationships [Member]
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| Finite-Lived Intangible Assets [Line Items] | |||||||||||
| Intangible assets, net, at beginning balance | 1 | 28 | 1 | 28 | |||||||
| Amortization expense | (1) | (27) | |||||||||
| Intangible assets, net, at ending balance | 1 | 1 | |||||||||
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Trademark And Trade Name [Member]
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| Finite-Lived Intangible Assets [Line Items] | |||||||||||
| Intangible assets, net, at beginning balance | 11 | 16 | 11 | 16 | |||||||
| Amortization expense | (3) | (5) | |||||||||
| Intangible assets, net, at ending balance | $ 8 | $ 11 | $ 8 | $ 11 | |||||||