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, unless otherwise specified
Mar. 28, 2015
Dec. 27, 2014
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Identified intangible assets, gross $ 8,718us-gaap_IntangibleAssetsGrossExcludingGoodwill $ 8,912us-gaap_IntangibleAssetsGrossExcludingGoodwill
Identified intangible assets, net $ 4,211us-gaap_IntangibleAssetsNetExcludingGoodwill $ 4,446us-gaap_IntangibleAssetsNetExcludingGoodwill