Derivatives and Hedging Activities Cash Flow Hedges Components of AOCI Table (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 30, 2012	Dec. 30, 2011	Dec. 30, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Derivative [Line Items]
Cash Flow Hedges, Accumulated OCI Balance				$ (189)		$ (181)
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net			226
Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net			(491)
Balance Before Tax
Derivative [Line Items]
Cash Flow Hedges, Accumulated OCI Balance				(304)	(287)	(291)	134
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	10	368	364
Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	(27)	(364)	(789)
Balance After Tax
Derivative [Line Items]
Cash Flow Hedges, Accumulated OCI Balance				(189)	(178)	(181)	84
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	6	228
Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	$ (17)	$ (225)