Accumulated Other Comprehensive Income (Loss) (Details) (Schedule of Accumulated Other Comprehensive Income (Loss)) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Unrealized gains (losses) on cash flow hedges:
Beginning balance	$ (3)	$ (5)
Unrealized gains (losses) arising during period, net of tax	(1)	1
Reclassification adjustment for (gains) losses realized and included in net income (loss), net of tax	0	1
Other comprehensive income (loss), cash flow hedges, net of tax	(1)	2
Ending balance	(4)	(3)
Total:
Beginning balance	(3)	(5)
Other comprehensive income (loss), unrealized gain (loss), net of tax	(1)	1
Other comprehensive income (loss), reclassification adjustment, net of tax	0	1
Total other comprehensive income (loss)	(1)	2
Ending balance	$ (4)	$ (3)