Supplemental information to the Consolidated Statement of Cash Flows (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Supplemental Cash Flow Information [Abstract] | ||
| Transfers from loans to other assets for other real estate owned | $ 0 | $ 1 |
| Change in assets of consolidated investment management funds | 272 | 116 |
| Change in liabilities of consolidated investment management funds | 26 | 17 |
| Change in nonredeemable noncontrolling interests of consolidated investment management funds | 192 | 119 |
| Investment securities purchased not settled | 959 | 413 |
| Securities sold not settled | 0 | 114 |
| Premises and equipment/operating lease obligations | 150 | 29 |
| Residual interest received from sale of investment | 36 | 0 |
| Excise tax on share repurchases | 13 | 11 |
| Amortization of preferred stock discount | $ 6 | $ 0 |