Financial Instruments - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 25, 2017	Mar. 19, 2016	Dec. 31, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax	$ 83		$ 72
Debt Instrument, Fair Value Disclosure	40,000		38,000
Tingyi Charge	0	$ 373
Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	900		800
Foreign Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	1,600		1,600
Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	800		800
Interest rate derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	$ 11,200		$ 11,200
Asia Middle East and North Africa
Derivative Instruments, Gain (Loss) [Line Items]
Tingyi Charge		$ (373)
Tingyi Charge per share		$ (0.26)