Fair Value Measurements (Details 1) (USD $) In Millions, unless otherwise specified	Sep. 28, 2014		Dec. 29, 2013
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	$ 645
Derivatives designated as hedging instruments : Liabilities	583
Equity method investments, fair market disclosure	396	[1]
Quoted prices in active markets for identical assets and liabilities Level 1
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	0
Derivatives designated as hedging instruments : Liabilities	0
Equity method investments, fair market disclosure	396	[1]	333	[1],[2]
Significant other observable inputs Level 2
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	645		706	[2]
Derivatives designated as hedging instruments : Liabilities	583		159	[2]
Equity method investments, fair market disclosure	0	[1]
Significant unobservable inputs Level 3
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	0
Derivatives designated as hedging instruments : Liabilities	0
Equity method investments, fair market disclosure	0	[1]
Cross currency interest rate swaps | Quoted prices in active markets for identical assets and liabilities Level 1
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	0	[3]
Derivatives designated as hedging instruments : Liabilities	0	[4],[5]
Cross currency interest rate swaps | Significant unobservable inputs Level 3
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	0	[3]
Derivatives designated as hedging instruments : Liabilities	0	[4],[5]
Interest Rate Contract
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	111	[3]
Derivatives designated as hedging instruments : Liabilities	4	[4],[5]
Derivative Assets, Noncurrent	110		169
Derivative Liabilities, Noncurrent	4		19
Interest Rate Contract | Significant other observable inputs Level 2
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	111	[3]	169	[2],[3]
Derivatives designated as hedging instruments : Liabilities	4	[4],[5]	26	[2],[4],[5]
Foreign exchange contracts
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	534
Derivatives designated as hedging instruments : Liabilities	579
Derivatives not designated as hedging instruments : Assets	28
Derivatives not designated as hedging instruments : Liabilities	40
Foreign exchange contracts | Quoted prices in active markets for identical assets and liabilities Level 1
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	0
Derivatives designated as hedging instruments : Liabilities	0
Derivatives not designated as hedging instruments : Assets	0
Derivatives not designated as hedging instruments : Liabilities	0
Foreign exchange contracts | Significant other observable inputs Level 2
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	534		537	[2]
Derivatives designated as hedging instruments : Liabilities	579		133	[2]
Derivatives not designated as hedging instruments : Assets	28		25	[2]
Derivatives not designated as hedging instruments : Liabilities	40		29	[2]
Foreign exchange contracts | Significant unobservable inputs Level 3
Financial assets and liabilities at fair value
Derivatives designated as hedging instruments : Assets	0
Derivatives designated as hedging instruments : Liabilities	0
Derivatives not designated as hedging instruments : Assets	0
Derivatives not designated as hedging instruments : Liabilities	$ 0

[1] Classified as non-current other assets.

[2] As of December 29, 2013, these assets and liabilities are classified as Level 2 with the exception of Other investments of $333 million, which are classified as Level 1.

[3] Includes $110 million and $169 million of non-current assets for September 28, 2014 and December 29, 2013, respectively.

[4] Includes cross currency interest rate swaps and interest rate swaps.

[5] Includes $4 million and $19 million of non-current liabilities for September 28, 2014 and December 29, 2013, respectively.