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Acquisitions, Intangible Assets And Goodwill - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 29, 2014
Jun. 30, 2013
Jun. 29, 2014
Jun. 30, 2013
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]          
Number of Businesses Acquired     0   0
Amortization expense $ 31 $ 37 $ 61 $ 79  
Annual amortization expense $ 121   $ 121