Other Financial Data (Other Income (Expense)) (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015
Interest income (expense), net:
Interest expense	$ (53)	$ (43)
Interest income	4	3
Interest income (expense), net:	(49)	(40)
Other:
Foreign currency gain	13	18
Loss on derivative instruments	(12)	(17)
Gains on equity method investments	1	0
Realized foreign currency loss on acquisition	(10)	0
Other	0	2
Total Other Income (Expense)	$ (8)	$ 3