v3.26.1
Financial Instruments - Schedule of Adjusted to Equity and Other Investments without Readily Determinable Fair Values (Details) - Equity Securities Without Readily Determinable Fair Value - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Equity Securities Adjustments [Roll Forward]        
Balance, beginning of the period $ 970 $ 709 $ 963 $ 717
Purchases of equity and other investments 55 71 65 75
Investments received as non-cash consideration in exchange for services 8 0 8 0
Gross unrealized gains 522 165 524 165
Sales of equity and other investments 0 (1) (5) (1)
Gross unrealized losses and impairments 0 (3) 0 (15)
Transfers into measurement alternative 0 47 0 47
Balance, end of the period 1,555 988 1,555 988
Net unrealized gains (losses) 522 165 524 165
Transfers to readily determinable fair values 0 47 0 47
Private Investment        
Equity Securities Adjustments [Roll Forward]        
Gross unrealized gains 511 163 511 163
Transfers into measurement alternative   45   45
Net unrealized gains (losses) $ 511 163 $ 511 163
Accrued interest   2   2
Transfers to readily determinable fair values   $ 45   $ 45