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	Jun. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 1,014	$ 1,145
Unrealized Loss	(4)	(7)
Fair Value	1,010	1,138
Money Market Funds
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	182	169
Fair Value	182	169
U.S. Treasury Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	313	317
Unrealized Loss	(2)	(3)
Fair Value	311	314
Corporate Securities and Commercial Paper
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	409	635
Unrealized Loss	(1)	(4)
Fair Value	408	631
U.S. Government Agency Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	103	20
Unrealized Loss	(1)
Fair Value	102	20
Certificates of Deposit
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	7	4
Fair Value	$ 7	$ 4