Financial Instruments - Fair Value of Derivative Instruments (Details) - USD ($) $ in Millions	Jul. 02, 2017	Dec. 31, 2016
Derivatives, Fair Value [Line Items]
Total derivatives	$ 12	$ 21
Foreign Exchange Forward | Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Total derivatives	(2)	4
Foreign Exchange Forward | Derivatives Not Designated as Hedging Instruments | Other current assets
Derivatives, Fair Value [Line Items]
Derivative assets	6	12
Foreign Exchange Forward | Derivatives Not Designated as Hedging Instruments | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	(8)	(8)
Interest rate swaps | Derivatives Designated as Hedging Instruments:
Derivatives, Fair Value [Line Items]
Total derivatives	14	17
Interest rate swaps | Derivatives Designated as Hedging Instruments: | Other current assets
Derivatives, Fair Value [Line Items]
Derivative assets	$ 14	$ 17