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v3.24.0.1

Borrowed Funds (FHLB Borrowings, Bank Notes, Senior Debt and Subordinated Debt) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Instrument [Line Items] |  |
Borrowed funds | $ 72,737 | $ 58,713
Total FHLB, Senior and Sub Debt | 69,711 | 55,039
Parent Company |  |
Debt Instrument [Line Items] |  |
Borrowed funds | 23,971 | 13,103
Bank |  |
Debt Instrument [Line Items] |  |
Borrowed funds | 45,740 | 41,936
Senior Notes | Parent Company |  |
Debt Instrument [Line Items] |  |
Borrowed funds | $ 22,221 | 11,374
Senior Notes | Parent Company | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 1.15% |
Senior Notes | Parent Company | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 6.88% |
Senior Notes | Bank |  |
Debt Instrument [Line Items] |  |
Borrowed funds | $ 4,615 | 5,283
Senior Notes | Bank | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 2.50% |
Senior Notes | Bank | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 6.14% |
Subordinated Debt | Parent Company |  |
Debt Instrument [Line Items] |  |
Borrowed funds | $ 1,544 | 1,524
Subordinated Debt | Parent Company | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 3.90% |
Subordinated Debt | Parent Company | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 4.63% |
Subordinated Debt | Bank |  |
Debt Instrument [Line Items] |  |
Borrowed funds | $ 3,125 | 4,578
Subordinated Debt | Bank | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 2.70% |
Subordinated Debt | Bank | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 5.90% |
Junior Subordinated Debt | Parent Company |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 6.21% |
Borrowed funds | $ 206 | 205
FHLB | Bank |  |
Debt Instrument [Line Items] |  |
Borrowed funds | $ 38,000 | $ 32,075
FHLB | Bank | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 5.59% |
FHLB | Bank | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 5.99% |

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