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	Dec. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 992	$ 866
Unrealized Gain	0	1
Unrealized Loss	0	(1)
Fair Value	992	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	251	213
Unrealized Gain	0	1
Unrealized Loss	0	(1)
Fair Value	251	213
Corporate securities and commercial paper
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	592	471
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	592	471
U.S. government agency securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	5	90
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	5	90
Certificate of deposit
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	24	7
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	$ 24	$ 7