v3.26.1
Debt Securities - Held-to-Maturity (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Time Deposits and Money Market Funds | Cash Equivalents [Member]      
Schedule of Held-to-maturity Securities [Line Items]      
Held-to-maturity securities [1] $ 1,356 $ 3,431 $ 1,122
Bank Time Deposits | Marketable Securities [Member]      
Schedule of Held-to-maturity Securities [Line Items]      
Held-to-maturity securities [2] $ 0 $ 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.