Financial Instruments - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Derivative [Line Items]
Notional amount	$ 968		$ 1,161
Average maturity of foreign exchange hedging contract - within three months (as a percent of total contracts)	78.00%
Average maturity of foreign exchange hedging contract - within three and six months (as a percent of total contracts)	11.00%
Average maturity of foreign exchange hedging contract - within six and twelve months (as a percent of total contracts)	11.00%
Net asset fair value	$ (10)		2
Net loss recorded in AOCL expected to be reclassified to net income in the future	(5)
Foreign currency transaction losses, before tax	(2)	$ (2)
Derivatives Designated as Hedging Instruments
Derivative [Line Items]
Net asset fair value	(7)		2
Cash Flow Hedging | Foreign exchange contracts - forwards | Cost of Sales
Derivative [Line Items]
Hedge ineffectiveness	0	0
Derivative, underlying exposure	0	$ 0
Cash Flow Hedging | Derivatives Designated as Hedging Instruments
Derivative [Line Items]
Net asset fair value	$ (7)		$ 2