Cash, Cash Equivalents and Marketable Securities - Schedule of Fair Values of Our Cash, Cash Equivalents and Marketable Securities by Location in Condensed Consolidated Balance Sheets and Contractual Maturity (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Cash, Cash Equivalents and Marketable Securities [Abstract]
Cash and cash equivalents	$ 201	$ 127
Marketable securities	888	632
Long-term marketable securities	2	107
Total cash, cash equivalents and marketable securities	$ 1,091	$ 866