Cash, Cash Equivalents and Marketable Securities - Schedule of Amortized Cost, Gross Unrealized Gains and Losses and Fair Value of Our Cash, Cash Equivalents and Marketable Securities Considered as Available for Sale by Type of Securities (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 1,048	$ 1,145
Unrealized Loss	(4)	(7)
Fair Value	1,044	1,138
Money Market Funds
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	196	169
Fair Value	196	169
U.S. Treasury Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	284	317
Unrealized Loss	(2)	(3)
Fair Value	282	314
Corporate Securities and Commercial Paper
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	508	635
Unrealized Loss	(2)	(4)
Fair Value	506	631
U.S. Government Agency Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	60	20
Fair Value	$ 60	20
Certificates of Deposit
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost		4
Fair Value		$ 4