Effective Portion of Pre Tax Gains and Losses on Derivative Instruments (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 14, 2014		Jun. 15, 2013		Jun. 14, 2014		Jun. 15, 2013
Fair Value/Non-designated Hedges
Derivatives, Fair Value [Line Items]
(Gains)/Losses Recognized in Income Statement (a)	$ 9		$ 67		$ (16)		$ 105
Fair Value/Non-designated Hedges | Foreign exchange contracts
Derivatives, Fair Value [Line Items]
(Gains)/Losses Recognized in Income Statement (a)	16	[1]	5	[1]	(1)	[1]	5	[1]
Fair Value/Non-designated Hedges | Interest rate derivatives
Derivatives, Fair Value [Line Items]
(Gains)/Losses Recognized in Income Statement (a)	(5)	[1]	24	[1]	(4)	[1]	51	[1]
Fair Value/Non-designated Hedges | Commodity contracts
Derivatives, Fair Value [Line Items]
(Gains)/Losses Recognized in Income Statement (a)	(2)	[1]	38	[1]	(11)	[1]	49	[1]
Cash Flow Hedges
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss	41		(5)		25		18
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	11		(8)		21		51
Cash Flow Hedges | Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss	30		(5)		12		(33)
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	(5)	[2]	1	[2]	(11)	[2]	4	[2]
Cash Flow Hedges | Interest rate derivatives
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss	10		(18)		5		12
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	9	[2]	(18)	[2]	14	[2]	33	[2]
Cash Flow Hedges | Commodity contracts
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss	1		18		8		39
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement (b)	$ 7	[2]	$ 9	[2]	$ 18	[2]	$ 14	[2]

[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.