Effective Portion of Pre Tax Gains and Losses on Derivative Instruments (Detail) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 13, 2015	Jun. 14, 2014	Jun. 13, 2015	Jun. 14, 2014
Derivatives, Fair Value [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months				$ (9)
Fair Value/Non-designated Hedges
Derivatives, Fair Value [Line Items]
(Gains)/Losses Recognized in Income Statement (a)	[1]	$ 67	$ 9	90	$ (16)
Fair Value/Non-designated Hedges | Foreign exchange contracts
Derivatives, Fair Value [Line Items]
(Gains)/Losses Recognized in Income Statement (a)	[1]	24	16	16	(1)
Fair Value/Non-designated Hedges | Interest rate derivatives
Derivatives, Fair Value [Line Items]
(Gains)/Losses Recognized in Income Statement (a)	[1]	30	(5)	7	(4)
Fair Value/Non-designated Hedges | Commodity contracts
Derivatives, Fair Value [Line Items]
(Gains)/Losses Recognized in Income Statement (a)	[1]	13	(2)	67	(11)
Cash Flow Hedges
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss		(48)	41	107	25
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	[2]	(97)	11	82	21
Cash Flow Hedges | Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss		15	30	(26)	12
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	[2]	(22)	(5)	(44)	(11)
Cash Flow Hedges | Interest rate derivatives
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss		(65)	10	129	5
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	[2]	(81)	9	112	14
Cash Flow Hedges | Commodity contracts
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss		2	1	4	8
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	[2]	$ 6	$ 7	$ 14	$ 18

[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.