Quarterly report pursuant to Section 13 or 15(d)

Trading Assets (Detail)

v2.3.0.15
Trading Assets (Detail) (USD $)
In Millions
3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended
Oct. 01, 2011
Dec. 25, 2010
Sep. 25, 2010
Marketable Equity Securities [Member]
Sep. 25, 2010
Marketable Equity Securities [Member]
Oct. 01, 2011
Marketable Debt Instruments [Member]
Sep. 25, 2010
Marketable Debt Instruments [Member]
Oct. 01, 2011
Marketable Debt Instruments [Member]
Sep. 25, 2010
Marketable Debt Instruments [Member]
Schedule Of Trading Securities And Other Trading Assets [Line Items]                
Marketable debt instruments $ 4,259 $ 4,705            
Marketable equity securities 6 388            
Total trading assets 4,265 5,093            
Trading Securities, Change in Unrealized Holding Gain (Loss)     (129) (91) (89) 154 (37) (11)
Net gains (losses) on derivatives related to trading securities         $ 81 $ (130) $ 42 $ 4