Other Financial Data (Other Income (Expense)) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Interest income (expense), net:
Interest expense	$ (30)	$ (30)
Interest income	5	5
Interest income (expense), net:	(25)	(25)
Other:
Foreign currency gain (loss)	(2)	4
Other	1	3
Total Other Income (Expense)	$ (1)	$ 7