Commitments and Guarantees - Schedule of Repurchase Agreements (Details) - USD ($) $ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Commitments and Contingencies Disclosure [Abstract] | ||
| Fair value of indemnified securities financing | $ 366,337 | $ 310,814 |
| Fair value of cash and securities held by us, as agent, as collateral for indemnified securities financing | 383,573 | 325,611 |
| Fair value of collateral for indemnified securities financing invested in indemnified repurchase agreements | 62,506 | 63,655 |
| Fair value of cash and securities held by us or our agents as collateral for investments in indemnified repurchase agreements | $ 67,179 | $ 68,507 |