Quarterly report pursuant to Section 13 or 15(d)

Identified Intangible Assets, Total Intangible Assets (Detail)

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Identified Intangible Assets, Total Intangible Assets (Detail) - USD ($)
$ in Millions
Jun. 27, 2015
Dec. 27, 2014
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Identified intangible assets, gross $ 8,944 $ 8,912
Identified intangible assets, net $ 4,226 $ 4,446