Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Consolidated Statements of Comprehensive Income (Loss)
Net income	$ 589	$ 242	$ 86
Other comprehensive income (loss), net of tax:
Pension adjustments, net of reclassifications	(146)	(286)	(71)
Deferred gains/losses on hedge contracts, net of reclassifications	(1)	(20)	4
Foreign currency translation adjustment	2	(3)	(2)
Recognition of currency translation loss (see Note 11)			74
Comprehensive income (loss)	$ 444	$ (67)	$ 91