Fair Values of Financial Assets and Liabilities (Detail) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 11, 2016		Jun. 13, 2015		Jun. 11, 2016	Jun. 13, 2015	Dec. 26, 2015
Derivatives, Fair Value [Line Items]
Short-term Investments	$ 3,733				$ 3,733		$ 2,913
Prepaid forward contracts	27				27		27
Deferred compensation	465				465		474
Derivatives not designated as hedging instruments:
Total derivatives at fair value	316				316		269
Total Financial Assets at fair value	9,597				9,597		7,847
Derivatives not designated as hedging instruments:
Total derivatives at fair value	445				445		543
Total Financial Liabilities at fair Value	910				910		1,017
Fair Value/Non-designated Hedges
Derivatives, Fair Value [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax	(64)		$ 67		(96)	$ 90
Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	32		(48)		32	107
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	(8)		(97)		(29)	82
Derivatives Designated As Fair Value Hedging Instruments Assets
Derivatives designated as fair value hedging instruments:
Interest rate derivatives	194				194		129
Derivatives Designated As Hedging Instruments Assets
Derivatives designated as cash flow hedging instruments:
Foreign exchange contracts	20				20		76
Interest rate derivatives	0				0		0
Commodity contracts	4				4		0
Derivatives designated as hedging instruments, Assets, Total	24				24		76
Derivatives Not Designated As Hedging Instruments Assets
Derivatives not designated as hedging instruments:
Foreign exchange contracts	0				0		8
Interest rate derivatives	44				44		44
Commodity contracts	54				54		12
Derivatives not designated as hedging instruments, Assets, Total	98				98		64
Derivatives Designated As Fair Value Hedging Instruments Liabilities
Derivatives designated as fair value hedging instruments:
Interest rate derivatives	0				0		12
Derivatives Designated As Hedging Instruments Liabilities
Derivatives designated as cash flow hedging instruments:
Foreign exchange contracts	27				27		6
Interest rate derivatives	308				308		311
Commodity contracts	1				1		7
Derivatives designated as hedging instruments, Liabilities, Total	336				336		324
Derivatives Not Designated As Hedging Instruments Liabilities
Derivatives not designated as hedging instruments:
Foreign exchange contracts	20				20		10
Interest rate derivatives	54				54		56
Commodity contracts	35				35		141
Derivatives not designated as hedging instruments, Liabilities, Total	109				109		207
Foreign Exchange Forward [Member] | Fair Value/Non-designated Hedges
Derivatives, Fair Value [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax	5	[1]	24	[1]	38	16
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	24		15		40	(26)
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	(12)	[2]	(22)	[2]	(33)	(44)
Interest Rate Contract [Member] | Fair Value/Non-designated Hedges
Derivatives, Fair Value [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax	(10)	[1]	30	[1]	(79)	7
Interest Rate Contract [Member] | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	13		(65)		(3)	129
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	1	[2]	(81)	[2]	(2)	112
Commodity contracts | Fair Value/Non-designated Hedges
Derivatives, Fair Value [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax	(59)	[1]	13	[1]	(55)	67
Commodity contracts | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	(5)		2		(5)	4
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	3	[2]	$ 6	[2]	6	$ 14
Liability [Member]
Derivatives, Fair Value [Line Items]
Available-for-sale securities	0				0		0
Assets [Member]
Derivatives, Fair Value [Line Items]
Available-for-sale securities	8,950				8,950		7,231
Assets [Member]
Derivatives, Fair Value [Line Items]
Available-for-sale securities	117				117		127
Liability [Member]
Derivatives, Fair Value [Line Items]
Available-for-sale securities	0				0		0
Liability [Member]
Derivatives, Fair Value [Line Items]
Available-for-sale securities	0				0		0
Assets [Member]
Derivatives, Fair Value [Line Items]
Available-for-sale securities	9,067				9,067		7,358
Cash and Cash Equivalents [Member]
Derivatives, Fair Value [Line Items]
Available-for-sale securities	5,500				5,500		4,500
Short-term Investments [Member]
Derivatives, Fair Value [Line Items]
Available-for-sale securities	3,500				3,500		2,700
Liability [Member]
Derivatives, Fair Value [Line Items]
Short-term Investments	0				0		0
Assets [Member]
Derivatives, Fair Value [Line Items]
Short-term Investments	187				187		193
Liability [Member]
Derivatives, Fair Value [Line Items]
Prepaid forward contracts	0				0		0
Assets [Member]
Derivatives, Fair Value [Line Items]
Deferred compensation	$ 0				$ 0		$ 0

[1] Foreign exchange derivative gains/losses are primarily included in selling, general and administrative expenses. Interest rate derivative gains/losses are primarily from fair value hedges and are included in interest expense. These gains/losses are substantially offset by increases/decreases in the value of the underlying debt, which are also included in interest expense. Commodity derivative gains/losses are included in either cost of sales or selling, general and administrative expenses, depending on the underlying commodity.

[2] Foreign exchange derivative gains/losses are primarily included in cost of sales. Interest rate derivative gains/losses are included in interest expense. Commodity derivative gains/losses are included in either cost of sales or selling, general and administrative expenses, depending on the underlying commodity.