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Supplemental Financial Information (Schedule of Other Supplemental Information) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Supplemental Financial Information [Abstract]      
Rent expense $ 639 $ 581 $ 589
Interest paid 1,007 1,074 1,039
Income taxes paid, net of refunds $ 3,076 $ 1,840 $ 2,218