Share-Based Payments - Components of Share-Based Compensation Expense (Details) - USD ($) $ in Millions		3 Months Ended
		Apr. 02, 2017	Apr. 03, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense—direct	[1],[2]	$ 11	$ 9
Stock options / stock appreciation rights
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense—direct		3	2
RSUs / DSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense—direct		6	6
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense—direct		$ 2	$ 1

[1] For the three months ended April 2, 2017, and April 3, 2016, amounts capitalized to inventory were insignificant.

[2] For the three months ended April 2, 2017, and April 3, 2016, the additional share-based compensation expense as a result of accelerated vesting of the outstanding stock options and the settlement, on a pro-rata basis, of other equity awards of terminated employees in connection with our operational efficiency initiative and supply network strategy, which is included in Restructuring charges/(reversals) and certain acquisition-related costs, were insignificant.