Other Financial Data (Other Income (Expense)) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Interest income (expense), net:
Interest expense	$ (59)	$ (42)	$ (111)	$ (86)
Interest income	5	3	8	7
Interest income (expense), net:	(54)	(39)	(103)	(79)
Other:
Investment impairments	0	(3)	0	(3)
Foreign currency gain (loss)	14	(11)	27	7
Gain (loss) on derivative instruments	(18)	4	(30)	(12)
Gains on equity method investments	0	4	2	4
Realized foreign currency loss on acquisition	0	0	(10)	0
Other	0	2	0	3
Total Other Income (Expense)	$ (4)	$ (4)	$ (11)	$ (1)