Fair Values of Financial Assets and Liabilities (Detail) (USD $) In Millions, unless otherwise specified	Jun. 14, 2014		Dec. 28, 2013	Jun. 15, 2013
Derivatives, Fair Value [Line Items]
Short-term Debt	$ 7,242		$ 5,306
Available-for-sale securities	6,434			95
Short-term investments - index funds	191	[1],[2]		172	[1],[2]
Prepaid forward contracts	25	[2],[3]		39	[2],[3]
Deferred compensation	506	[2],[4]		489	[2],[4]
Deferred Compensation Assets, Current and Noncurrent	0			0
Derivatives not designated as hedging instruments:
Total derivatives at fair value	308	[2],[5]		375	[2],[5]
Total Financial Assets at fair value	6,958	[2]		681	[2]
Derivatives not designated as hedging instruments:
Total derivatives at fair value	197	[2],[5]		271	[2],[5]
Total Financial Liabilities at fair Value	703	[2]		760	[2]
Derivatives Designated As Fair Value Hedging Instruments Assets
Derivatives designated as fair value hedging instruments:
Interest rate derivatives	167	[2],[6]		224	[2],[6]
Derivatives Designated As Hedging Instruments Assets
Derivatives designated as cash flow hedging instruments:
Foreign exchange contracts	12	[2],[7]		28	[2],[7]
Interest rate derivatives	36	[2],[6]			[2],[6]
Commodity contracts	2	[2],[8]		3	[2],[8]
Derivatives designated as hedging instruments, Assets, Total	50	[2]		31	[2]
Derivatives Not Designated As Hedging Instruments Assets
Derivatives not designated as hedging instruments:
Foreign exchange contracts	7	[2],[7]		16	[2],[7]
Interest rate derivatives	69	[2],[6]		98	[2],[6]
Commodity contracts	15	[2],[8]		6	[2],[8]
Derivatives not designated as hedging instruments, Assets, Total	91	[2]		120	[2]
Derivatives Designated As Fair Value Hedging Instruments Liabilities
Derivatives designated as fair value hedging instruments:
Interest rate derivatives	0	[2],[6]		1	[2],[6]
Derivatives Designated As Hedging Instruments Liabilities
Derivatives designated as cash flow hedging instruments:
Foreign exchange contracts	30	[2],[7]		5	[2],[7]
Interest rate derivatives	22	[2],[6]		6	[2],[6]
Commodity contracts	15	[2],[8]		38	[2],[8]
Derivatives designated as hedging instruments, Liabilities, Total	67	[2]		49	[2]
Derivatives Not Designated As Hedging Instruments Liabilities
Derivatives not designated as hedging instruments:
Foreign exchange contracts	6	[2],[7]		26	[2],[7]
Interest rate derivatives	89	[2],[6]		124	[2],[6]
Commodity contracts	35	[2],[8]		71	[2],[8]
Derivatives not designated as hedging instruments, Liabilities, Total	130	[2]		221	[2]
Designated as Hedging Instrument [Member] | Commodity contracts
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	334			506
Not Designated as Hedging Instrument [Member] | Commodity contracts
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	816			988
Level 1 Fair Values Of Assets And Liabilities [Member]
Derivatives, Fair Value [Line Items]
Deferred compensation				7
Short-term Investments [Member]
Derivatives, Fair Value [Line Items]
Short-term Debt	3,500
Cash and Cash Equivalents [Member]
Derivatives, Fair Value [Line Items]
Short-term Debt	2,800
Liability [Member]
Derivatives, Fair Value [Line Items]
Available-for-sale securities	0			0
Assets [Member]
Derivatives, Fair Value [Line Items]
Available-for-sale securities	6,286			0
Assets [Member]
Derivatives, Fair Value [Line Items]
Available-for-sale securities	148			95
Liability [Member]
Derivatives, Fair Value [Line Items]
Available-for-sale securities	$ 0			$ 0

[1] Based on the price of index funds. Categorized as a Level 1 asset.

[2] inancial assets are classified on our condensed consolidated balance sheet within prepaid expenses and other current assets and other assets. Financial liabilities are classified on our condensed consolidated balance sheet within accounts payable and other current liabilities and other liabilities. Unless specifically indicated, all financial assets and liabilities are categorized as Level 2 assets or liabilities.

[3] Based primarily on the price of our common stock.

[4] Based on the fair value of investments corresponding to employees’ investment elections. As of June 14, 2014, all balances are categorized as Level 2 liabilities. As of June 15, 2013, $7 million are categorized as Level 1 liabilities and the remaining balances are categorized as Level 2 liabilities.

[5] Unless otherwise noted, derivative assets and liabilities are presented on a gross basis on our condensed consolidated balance sheet. Amounts subject to enforceable master netting arrangements or similar agreements which are not offset on the condensed consolidated balance sheet as of June 14, 2014 and June 15, 2013 were immaterial. Collateral received against any of our asset positions was immaterial.

[6] Based on LIBOR forward rates and recently reported market transactions of spot and forward rates.

[7] Based on recently reported market transactions of spot and forward rates.

[8] Based on recently reported market transactions, primarily swap arrangements.