Effective Portion of Pre Tax Gains and Losses on Derivative Instruments (Detail) - USD ($) $ in Millions		3 Months Ended							6 Months Ended
		Jun. 16, 2018		Mar. 24, 2018	[2]	Jun. 17, 2017	Mar. 25, 2017	[3]	Jun. 16, 2018	Jun. 17, 2017
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss		$ 70	[1]	$ (93)			$ 3			$ (20)	[4]
Cash Flow Hedge Gain/(Loss) to be Reclassified within Twelve Months									$ 15
Fair Value/Non-designated Hedges
Derivatives, Fair Value [Line Items]
(Gains)/Losses Recognized in Income Statement (a)	[5]	14				$ (31)			132	(11)
Cash Flow Hedges
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss		6				28			(78)	49
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	[6]	128				(53)			73	(86)
Foreign Exchange Forward [Member] | Fair Value/Non-designated Hedges
Derivatives, Fair Value [Line Items]
(Gains)/Losses Recognized in Income Statement (a)	[5]	9				(7)			(3)	(12)
Foreign Exchange Forward [Member] | Cash Flow Hedges
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss		(35)				16			(30)	36
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	[6]	10				(6)			16	(11)
Interest Rate Contract [Member] | Fair Value/Non-designated Hedges
Derivatives, Fair Value [Line Items]
(Gains)/Losses Recognized in Income Statement (a)	[5]	27				(41)			138	(19)
Interest Rate Contract [Member] | Cash Flow Hedges
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss		105				(35)			9	(54)
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	[6]	117				(48)			55	(78)
Commodity Contract [Member] | Fair Value/Non-designated Hedges
Derivatives, Fair Value [Line Items]
(Gains)/Losses Recognized in Income Statement (a)	[5]	(22)				17			(3)	20
Commodity Contract [Member] | Cash Flow Hedges
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss		0				(1)			(2)	1
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	[6]	1				1			2	3
Net Investment Hedging [Member] | Fair Value/Non-designated Hedges
Derivatives, Fair Value [Line Items]
(Gains)/Losses Recognized in Income Statement (a)	[5]	0				0			0	0
Net Investment Hedging [Member] | Cash Flow Hedges
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss		(64)				48			(55)	66
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	[6]	$ 0				$ 0			$ 0	$ 0

[1] Currency translation adjustment primarily reflects the depreciation in the Russian ruble, Brazilian real and Mexican peso.

[2] Currency translation adjustment primarily reflects the appreciation in the Russian ruble and Mexican peso.

[3] Currency translation adjustment primarily reflects the appreciation in the Russian ruble, Egyptian pound and Australian dolla

[4] Currency translation adjustment primarily reflects the appreciation in the euro and Russian ruble.

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

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