Fair Value Measurements - Schedule of Financial Instruments Not Required to be Measured at Fair Value (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Level 2 \| Carrying Value
Estimated fair values of the company's financial instruments that are not measured at fair value on a recurring basis
Marketable securities, current	$ 120	$ 59
Level 2 \| Carrying Value \| 2028 Notes (4.250% Senior Notes)
Estimated fair values of the company's financial instruments that are not measured at fair value on a recurring basis
Debt	505	504
Level 2 \| Carrying Value \| 2029 Notes (1.125% Convertible Senior Notes)
Estimated fair values of the company's financial instruments that are not measured at fair value on a recurring basis
Debt	567	566
Level 2 \| Fair Value
Estimated fair values of the company's financial instruments that are not measured at fair value on a recurring basis
Marketable securities, current	120	59
Level 2 \| Fair Value \| 2028 Notes (4.250% Senior Notes)
Estimated fair values of the company's financial instruments that are not measured at fair value on a recurring basis
Debt	500	503
Level 2 \| Fair Value \| 2029 Notes (1.125% Convertible Senior Notes)
Estimated fair values of the company's financial instruments that are not measured at fair value on a recurring basis
Debt	761	657
Cash \| Level 1 \| Carrying Value
Estimated fair values of the company's financial instruments that are not measured at fair value on a recurring basis
Cash and cash equivalents	2,162	1,480
Cash \| Level 1 \| Fair Value
Estimated fair values of the company's financial instruments that are not measured at fair value on a recurring basis
Cash and cash equivalents	2,162	1,480
Cash Equivalents \| Level 2 \| Carrying Value
Estimated fair values of the company's financial instruments that are not measured at fair value on a recurring basis
Cash and cash equivalents	761	655
Cash Equivalents \| Level 2 \| Fair Value
Estimated fair values of the company's financial instruments that are not measured at fair value on a recurring basis
Cash and cash equivalents	$ 761	$ 655