Quarterly report pursuant to Section 13 or 15(d)

Trading Assets (Detail)

v2.4.0.6
Trading Assets (Detail) (Marketable Debt Instruments [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 29, 2012
Oct. 01, 2011
Sep. 29, 2012
Oct. 01, 2011
Marketable Debt Instruments [Member]
       
Schedule Of Trading Securities And Other Trading Assets [Line Items]        
Trading Securities, Change in Unrealized Holding Gain (Loss) $ 50 $ (89) $ 35 $ (37)
Net gains (losses) on derivatives and intercompany loans related to trading securities $ (39) $ 81 $ (11) $ 42