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Supplemental Cash Flow Information - Supplemental Cash Flow Information (Detail) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 28, 2013
Jun. 29, 2012
Additional Cash Flow Elements And Supplemental Cash Flow Information [Abstract]    
Interest paid on outstanding debt $ 86 $ 101
Income tax payments 137 164
Income tax refunds $ 16 $ 13