Financial Instruments - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended
	Jun. 17, 2017	Jun. 17, 2017	Jun. 11, 2016	Dec. 31, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Sale of Equity Investments	$ 95	$ 95
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax				$ 72
Debt Instrument, Fair Value Disclosure	41,000	41,000		38,000
Charge related to the transaction with Tingyi (Cayman Islands) Holding Corp. (Tingyi)		0	$ 373
Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	900	900		800
Foreign Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	1,600	1,600		1,600
Interest rate derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	14,200	14,200		11,200
Asia Middle East and North Africa
Derivative Instruments, Gain (Loss) [Line Items]
Charge related to the transaction with Tingyi (Cayman Islands) Holding Corp. (Tingyi)			$ 373
Tingyi Charge per share			$ 0.26
Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	$ 1,400	$ 1,400		$ 800