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Supplemental Financial Information (Schedule Of Other Supplemental Information) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 25, 2010
Dec. 26, 2009
Supplemental Financial Information [Abstract]      
Rent expense $ 589 $ 526 $ 412
Interest paid 1,039 1,043 456
Income taxes paid, net of refunds $ 2,218 $ 1,495 $ 1,498