Other Financial Data (Other Income (Expense)) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Jul. 02, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Interest income (expense), net:
Interest expense		$ (108)	$ (132)	$ (217)
Interest income		42	58	88
Interest expense, net		(66)	(74)	(129)
Other:
Investment impairments		(8)	(4)	(21)
Losses from the extinguishment of the Company's outstanding long-term debt	(81)	(6)	(81)	(12)
Foreign currency gain (loss)		(13)	8	12
Gain on Sigma Fund investments		0	0	11
Other		13	8	3
Total Other		$ (14)	$ (69)	$ (7)