Cash, Cash Equivalents and Marketable Securities - Summary of Amortized Cost, Gross Unrealized Gains and Losses and Fair Value of Our Cash, Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 877	$ 1,010
Unrealized Gain	0	0
Unrealized Loss	(1)	0
Fair Value	876	1,010
Money market funds
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	171	155
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	171	155
U.S. treasury securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	305	359
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	305	359
Corporate securities and commercial paper
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	395	487
Unrealized Gain	0	0
Unrealized Loss	(1)	0
Fair Value	394	487
Certificate of deposit
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	6	9
Unrealized Gain	0	0
Unrealized Loss	0	0
Fair Value	$ 6	$ 9

Cash, Cash Equivalents and Marketable Securities - Summary of Amortized Cost, Gross Unrealized Gains and Losses and Fair Value of Our Cash, Cash Equivalents and Marketable Securities (Details) - USD ($)
$ in Millions

Mar. 31, 2026

Dec. 31, 2025

Debt Securities, Available-for-Sale [Line Items]

Amortized Cost

$ 877

$ 1,010

Unrealized Gain

Unrealized Loss

(1)

Fair Value

876

1,010

Money market funds

Debt Securities, Available-for-Sale [Line Items]

Amortized Cost

171

155

Unrealized Gain

Unrealized Loss

Fair Value

171

155

U.S. treasury securities

Debt Securities, Available-for-Sale [Line Items]

Amortized Cost

305

359

Unrealized Gain

Unrealized Loss

Fair Value

305

359

Corporate securities and commercial paper

Debt Securities, Available-for-Sale [Line Items]

Amortized Cost

395

487

Unrealized Gain

Unrealized Loss

(1)

Fair Value

394

487

Certificate of deposit

Debt Securities, Available-for-Sale [Line Items]

$ 6

$ 9

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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