Financial Instruments - Summary of Derivative Instruments Fair Value (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Summary Of Derivative Instruments By Hedge Designation [Abstract]
Net Derivative asset	$ (2)	$ (5)
Total Derivative assets
Summary Of Derivative Instruments By Hedge Designation [Abstract]
Derivative Assets	10	3
Total Derivative liabilities
Summary Of Derivative Instruments By Hedge Designation [Abstract]
Derivative Liabilities	(12)	(8)
Derivatives Designated as Hedging Instruments
Summary Of Derivative Instruments By Hedge Designation [Abstract]
Net Derivative asset	3	(3)
Derivatives Designated as Hedging Instruments | Other current assets | Foreign exchange contracts - forwards
Summary Of Derivative Instruments By Hedge Designation [Abstract]
Derivative Assets	5	1
Derivatives Designated as Hedging Instruments | Accrued expenses and other current liabilities | Foreign exchange contracts - forwards
Summary Of Derivative Instruments By Hedge Designation [Abstract]
Derivative Liabilities	(2)	(5)
Derivatives Designated as Hedging Instruments | Other long-term assets | Interest rate swaps
Summary Of Derivative Instruments By Hedge Designation [Abstract]
Derivative Assets	0	1
Not Designated as Hedging Instrument | Foreign exchange contracts - forwards
Summary Of Derivative Instruments By Hedge Designation [Abstract]
Net Derivative asset	(5)	(2)
Not Designated as Hedging Instrument | Other current assets | Foreign exchange contracts - forwards
Summary Of Derivative Instruments By Hedge Designation [Abstract]
Derivative Assets	5	1
Not Designated as Hedging Instrument | Accrued expenses and other current liabilities | Foreign exchange contracts - forwards
Summary Of Derivative Instruments By Hedge Designation [Abstract]
Derivative Liabilities	$ (10)	$ (3)