Financial Instruments (Fair Values of Financial Assets and Liabilities) (Details) (USD $) In Millions, unless otherwise specified	Dec. 28, 2013		Dec. 29, 2012
Derivatives, Fair Value [Line Items]
Available-for-sale securities	$ 135	[1],[2]	$ 79	[1],[2]
Short-term investments - index funds, at fair value	184	[1],[3]	161	[1],[3]
Prepaid forward contracts	24	[1],[4]	33	[1],[4]
Deferred compensation	504	[1],[5]	492	[1],[5]
Total asset derivatives at fair value	326	[1]	466	[1]
Total liability derivatives at fair value	243	[1]	247	[1]
Total Financial Assets at Fair Value	669	[1]	739	[1]
Total Financial Liabilities at Fair Value	747	[1]	739	[1]
Derivatives Designated As Fair Value Hedging Instruments Assets
Derivatives, Fair Value [Line Items]
Interest rate derivatives	176	[1],[6]	276	[1],[6]
Derivatives Designated As Fair Value Hedging Instruments Liabilities
Derivatives, Fair Value [Line Items]
Interest rate derivatives	10	[1],[6]	0	[6]
Derivatives Designated As Cash Flow Hedging Instruments Assets
Derivatives, Fair Value [Line Items]
Forward exchange contracts	22	[1],[7]	5	[1],[7]
Interest rate derivatives	19	[1],[6]	6	[1],[6]
Commodity contracts - other	6	[1],[8]	8	[1],[8]
Derivatives designated as hedging instruments, Assets, Total	47	[1]	19	[1]
Derivatives Designated As Cash Flow Hedging Instruments Liabilities
Derivatives, Fair Value [Line Items]
Forward exchange contracts	13	[1],[7]	19	[1],[7]
Interest rate derivatives	0	[1],[6]	0	[1],[6]
Commodity contracts - other	29	[1],[8]	24	[1],[8]
Derivatives designated as hedging instruments, Liabilities, Total	42	[1]	43	[1]
Derivatives Not Designated As Hedging Instruments Assets
Derivatives, Fair Value [Line Items]
Forward exchange contracts	12	[1],[7]	8	[1],[7]
Interest rate derivatives	71	[1],[6]	123	[1],[6]
Commodity contracts - other	20	[1],[8]	40	[1],[8]
Derivatives not designated as hedging instruments, Assets, Total	103	[1]	171	[1]
Derivatives Not Designated As Hedging Instruments Liabilities
Derivatives, Fair Value [Line Items]
Forward exchange contracts	8	[1],[7]	6	[1],[7]
Interest rate derivatives	94	[1],[6]	153	[1],[6]
Commodity contracts - other	89	[1],[8]	45	[1],[8]
Derivatives not designated as hedging instruments, Liabilities, Total	191	[1]	204	[1]
Level 1 Fair Values Of Assets And Liabilities
Derivatives, Fair Value [Line Items]
Deferred compensation			$ 10

[1] Financial assets are classified on our balance sheet within prepaid expenses and other current assets and other assets, with the exception of available-for-sale securities and short-term investments, which are classified as short-term investments. Financial liabilities are classified on our 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.

[2] Based on the price of common stock. Categorized as a Level 1 asset.

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

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

[5] Based on the fair value of investments corresponding to employees’ investment elections. As of December 28, 2013, all balances are categorized as Level 2 liabilities. As of December 29, 2012, $10 million are categorized as Level 1 liabilities and the remaining balances are categorized as Level 2 liabilities.

[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.