Goodwill and Acquired Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 26, 2016	Jun. 28, 2015	Jun. 26, 2016	Jun. 28, 2015
Finite-Lived Intangible Assets [Line Items]
Amortization expense for acquired finite lived intangible assets	$ 70	$ 20	$ 139	$ 41
Amortization of finite lived intangible assets remaining in 2016	139		139
Amortization of finite lived intangible assets in 2017	262		262
Amortization of finite lived intangible assets in 2018	248		248
Amortization of finite lived intangible assets in 2019	243		243
Amortization of finite lived intangible assets in 2020	236		236
Amortization of finite lived intangible assets in 2021	231		231
Amortization of finite lived intangible assets after 2021	$ 1,800		$ 1,800
Customer Programs | Minimum
Finite-Lived Intangible Assets [Line Items]
Acquired finite-lived intangible assets are amortized			9 years
Customer Programs | Maximum
Finite-Lived Intangible Assets [Line Items]
Acquired finite-lived intangible assets are amortized			20 years
Customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Acquired finite-lived intangible assets are amortized			4 years
Customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Acquired finite-lived intangible assets are amortized			10 years
Other Finite-lived Intangibles | Minimum
Finite-Lived Intangible Assets [Line Items]
Acquired finite-lived intangible assets are amortized			2 years
Other Finite-lived Intangibles | Maximum
Finite-Lived Intangible Assets [Line Items]
Acquired finite-lived intangible assets are amortized			10 years