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, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 1,096	$ 866
Unrealized Gain	0	1
Unrealized Loss	(1)	(1)
Fair Value	1,095	866
Money market funds
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	120	85
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	120	85
U.S. treasury securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	321	213
Unrealized Gain	0	1
Unrealized Loss	(1)	(1)
Fair Value	320	213
Corporate securities and commercial paper
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	601	471
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	601	471
U.S. government agency securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	43	90
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	43	90
Certificate of deposit
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	11	7
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	$ 11	$ 7