v3.25.1
Investments - Maturities of Available-for-Sale Investments (Detail) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Debt Securities, Available-for-Sale [Abstract]    
Due within 1 year $ 3,228  
Due in 1 year through 5 years 4,248  
Instruments not due in single maturity 87  
Total $ 7,563 $ 7,569