Annual report pursuant to Section 13 and 15(d)

Cash and Investments, Trading Assets (Detail)

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Cash and Investments, Trading Assets (Detail) (Debt Securities [Member], USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Debt Securities [Member]
     
Schedule Of Trading Securities And Other Trading Assets [Line Items]      
Trading Securities, Change in Unrealized Holding Gain (Loss) $ (70) $ 16 $ (71)
Net gains (losses) on derivatives related to trading securities $ 86 $ 11 $ 58