Fair Value Measurements (Details Textuals) (USD $)	3 Months Ended	9 Months Ended		12 Months Ended
	Sep. 28, 2014	Sep. 28, 2014	Sep. 29, 2013	Dec. 29, 2013
Derivative [Line Items]
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	$ (70,000,000)	$ (70,000,000)		$ 245,000,000
Maximum Length of Time Hedged in Foreign Currency Cash Flow Hedge		18 months
Fair Value Measurements (Textuals)
Reclassification of foreign exchange contracts into earnings, period		next 12 months
Weighted average interest rate on non-current debt	4.41%	4.41%
Excess Of Fair Value Over Carrying Value Of Debt				1,400,000,000
Other income/(expense), net, related to foreign exchange contracts, non hedging	(2,000,000)	(48,000,000)	50,000,000
Interest Rate Contract
Derivative [Line Items]
Derivative notional amounts outstanding	1,000,000,000	1,000,000,000
Foreign exchange contracts
Derivative [Line Items]
Derivative notional amounts outstanding	32,600,000,000	32,600,000,000
Cross currency interest rate swaps
Derivative [Line Items]
Derivative notional amounts outstanding	$ 2,400,000,000	$ 2,400,000,000