Cash, Cash Equivalents and Marketable Securities - Schedule of Fair Values of Our Cash, Cash Equivalents and Marketable Securities by Location in Consolidated Balance Sheets and Contractual Maturity (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Cash and cash equivalents	$ 206	$ 148
Marketable securities	803	351
Long-term marketable securities	129	182
Total	$ 1,138	$ 681