Effective Portion of Pre Tax Gains and Losses on Derivative Instruments (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 23, 2013		Mar. 24, 2012
Fair Value/Non-designated Hedges
Derivatives, Fair Value [Line Items]
(Gains) /Losses Recognized in Income Statement	$ 38	[1]	$ (32)	[1]
Fair Value/Non-designated Hedges | Foreign exchange contracts
Derivatives, Fair Value [Line Items]
(Gains) /Losses Recognized in Income Statement		[1]	(10)	[1]
Fair Value/Non-designated Hedges | Interest rate derivatives
Derivatives, Fair Value [Line Items]
(Gains) /Losses Recognized in Income Statement	27	[1]	27	[1]
Fair Value/Non-designated Hedges | Commodity contracts
Derivatives, Fair Value [Line Items]
(Gains) /Losses Recognized in Income Statement	11	[1]	(49)	[1]
Cash Flow Hedges
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss	23		15
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement	59	[2]	12	[2]
Cash Flow Hedges | Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss	(28)		29
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement	3	[2]	(3)	[2]
Cash Flow Hedges | Interest rate derivatives
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss	30		4
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement	51	[2]	4	[2]
Cash Flow Hedges | Commodity contracts
Derivatives, Fair Value [Line Items]
Losses/(Gains) Recognized in Accumulated Other Comprehensive Loss	21		(18)
Losses/(Gains) Reclassified from Accumulated Other Comprehensive Loss into Income Statement	$ 5	[2]	$ 11	[2]

[1] Interest rate derivatives 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.

[2] Interest rate derivative losses are included in interest expense. All other gains/losses are primarily included in cost of sales.