Stockholders' Equity - Changes in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2017	Apr. 03, 2016
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	$ (598)
Other comprehensive income (loss), net of tax	46	$ 3
Balance	(552)
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	(598)	(622)
Other comprehensive income (loss), net of tax	46	4
Balance	(552)	(618)
Derivatives Net Unrealized Gains/ (Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	8	(2)
Other comprehensive income (loss), net of tax	0	0
Balance	8	(2)
Currency Translation Adjustment Net Unrealized Gain/(Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	(583)	(604)
Other comprehensive income (loss), net of tax	44	3
Balance	(539)	(601)
Benefit Plans Actuarial Gains/(Losses)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	(23)	(16)
Other comprehensive income (loss), net of tax	2	1
Balance	$ (21)	$ (15)