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v3.20.2

Borrowed Funds (FHLB Borrowings, Senior Debt and Subordinated Debt) (Details) - USD ($) $ in Millions | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Debt Instrument [Line Items] |  |
Borrowed funds | $ 47,026 | $ 60,263
Total FHLB, Senior and Sub Debt | 42,704 | 51,485
Parent Company [Member] |  |
Debt Instrument [Line Items] |  |
Borrowed funds | 11,506 | 9,825
Parent Company [Member] | Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Borrowed funds | $ 10,486 | 8,843
Parent Company [Member] | Senior Notes [Member] | Minimum [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate | 2.20% |
Parent Company [Member] | Senior Notes [Member] | Maximum [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate | 4.38% |
Parent Company [Member] | Subordinated Debt [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.90% |
Borrowed funds | $ 815 | 777
Parent Company [Member] | Junior Subordinated Debt [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate | 0.92% |
Borrowed funds | $ 205 | 205
Subsidiaries [Member] |  |
Debt Instrument [Line Items] |  |
Borrowed funds | 31,198 | 41,660
Subsidiaries [Member] | Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Borrowed funds | $ 17,219 | 20,167
Subsidiaries [Member] | Senior Notes [Member] | Minimum [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate | 0.00% |
Subsidiaries [Member] | Senior Notes [Member] | Maximum [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.50% |
Subsidiaries [Member] | Subordinated Debt [Member] |  |
Debt Instrument [Line Items] |  |
Borrowed funds | $ 5,479 | 5,152
Subsidiaries [Member] | Subordinated Debt [Member] | Minimum [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate | 2.70% |
Subsidiaries [Member] | Subordinated Debt [Member] | Maximum [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate | 4.20% |
Subsidiaries [Member] | Federal Home Loan Bank Borrowings [Member] |  |
Debt Instrument [Line Items] |  |
Borrowed funds | $ 8,500 | $ 16,341
Subsidiaries [Member] | Federal Home Loan Bank Borrowings [Member] | Minimum [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate | 0.43% |
Subsidiaries [Member] | Federal Home Loan Bank Borrowings [Member] | Maximum [Member] |  |
Debt Instrument [Line Items] |  |
Interest rate | 0.73% |

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- Definition Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations excluding other borrowings. + References No definition available. + Details
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