Capital Ratios (Narrative) (Details) - USD ($) $ in Billions |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2025 |
Dec. 31, 2021 |
|
| Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | ||
| Capital Ratios, Basel III, Capital Conservation Buffer, Year Three | 2.50% | |
| Community Bank Leverage Ratio, Minimum | 9.00% | |
| Consolidated asset limit on small bank holding companies | $ 3 | |
| Bank [Member] | ||
| Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | ||
| Capital ratios, capital conservation buffer | 4.75% |