Derivative Instruments - Location and Fair Values of Cash Flow Hedges (Details) - Designated as Hedging Instrument - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Cash Flow Hedging | Foreign exchange forward contracts | Prepaid and other current assets
Derivatives, Fair Value [Line Items]
Derivative, fair value	$ 0	$ 1
Cash Flow Hedging | Foreign exchange forward contracts | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative, fair value	8	0
Net Investment Hedging | Cross currency swap | Other non-current assets
Derivatives, Fair Value [Line Items]
Derivative, fair value	22	0
Net Investment Hedging | Cross currency swap | Other non-current liabilities
Derivatives, Fair Value [Line Items]
Derivative, fair value	$ 0	$ 10