v3.25.2
Financial Instruments - Equity Investments without Readily Determinable Fair Values (Details) - Equity Investments In Private Companies - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Schedule of Equity Method Investments [Line Items]    
Total initial value $ 1,079 $ 957
Cumulative gross unrealized gains 309 144
Cumulative gross unrealized losses and impairment (400) (384)
Equity and Other Investments $ 988 $ 717