Accumulated Other Comprehensive Income (Loss) (Details) (Schedule of Accumulated Other Comprehensive Income (Loss)) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Unrealized gains (losses) on cash flow hedges:
Beginning balance	$ (4)	$ (3)	$ (3)	$ (5)
Unrealized gains (losses) arising during period, net of tax	(2)	(1)	(3)	0
Reclassification adjustment for (gains) losses realized and included in net income (loss), net of tax	0	0	0	1
Other comprehensive income (loss), cash flow hedges, net of tax	(2)	(1)	(3)	1
Ending balance	(6)	(4)	(6)	(4)
Total:
Beginning balance	(4)	(3)	(3)	(5)
Other comprehensive income (loss), unrealized gain (loss), net of tax	(2)	(1)	(3)	0
Other comprehensive income (loss), reclassification adjustment, net of tax	0	0	0	1
Total other comprehensive income (loss)	(2)	(1)	(3)	1
Ending balance	$ (6)	$ (4)	$ (6)	$ (4)