Debt Securities - Held-to-Maturity (Details) - USD ($) $ in Millions		Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025
Time Deposits and Money Market Funds | Cash Equivalents [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity securities	[1]	$ 1,113	$ 3,431	$ 1,314
Bank Time Deposits | Marketable Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity securities	[2]	$ 1	$ 1	$ 1

[1] Maturity at time of purchase was three months or less.

[2] Maturity at time of purchase was more than three months to less than one year.