Goodwill and Identifiable Intangible Assets - Identifiable Intangible Assets (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 25, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)	15 years
Gross Carrying Amount	$ 551	$ 547
Accumulated Amortization	356	348
Net Carrying Amount	$ 195	199
Customer Contractual Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)	16 years
Gross Carrying Amount	$ 372	370
Accumulated Amortization	251	246
Net Carrying Amount	$ 121	124
Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)	11 years
Gross Carrying Amount	$ 158	156
Accumulated Amortization	94	91
Net Carrying Amount	$ 64	65
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)	18 years
Gross Carrying Amount	$ 21	21
Accumulated Amortization	11	11
Net Carrying Amount	$ 10	$ 10