Annual report pursuant to Section 13 and 15(d)

Goodwill and Acquired Intangible Assets (Details) (Narrative)

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Goodwill and Acquired Intangible Assets (Details) (Narrative) (USD $)
In Millions, unless otherwise specified
Dec. 29, 2012
Dec. 31, 2011
Dec. 25, 2010
Goodwill [Line Items]      
Goodwill $ 553 $ 323 $ 323
Accumulated amortization of acquired intangible assets $ 554