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v3.21.1

Deposits and Borrowings - Long-Term Debt (Details) - USD ($) $ in Millions | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Debt Instrument [Line Items] |  |
Total long-term debt | $ 37,608 | $ 39,871
Total short-term borrowings and long-term debt | 38,450 | 40,539
EUR denominated unsecured notes | 25,467 | 27,382
Euro |  |
Debt Instrument [Line Items] |  |
EUR denominated unsecured notes | $ 1,500 | 1,600
Securitized debt obligations |  |
Debt Instrument [Line Items] |  |
Weighted average interest rate | 1.86% |
Carrying value | $ 12,071 | 12,414
Total senior and subordinated notes |  |
Debt Instrument [Line Items] |  |
Carrying value | $ 25,467 | 27,382
Senior notes | Total unsecured senior debt |  |
Debt Instrument [Line Items] |  |
Weighted average interest rate | 3.06% |
Carrying value | $ 20,837 | 22,654
Senior notes | Fixed unsecured senior debt |  |
Debt Instrument [Line Items] |  |
Weighted average interest rate | 3.20% |
Carrying value | $ 19,478 | 21,045
Senior notes | Floating unsecured senior debt |  |
Debt Instrument [Line Items] |  |
Weighted average interest rate | 1.12% |
Carrying value | $ 1,359 | 1,609
Subordinated notes | Fixed unsecured subordinated debt |  |
Debt Instrument [Line Items] |  |
Weighted average interest rate | 3.78% |
Carrying value | $ 4,630 | 4,728
Finance lease liabilities |  |
Debt Instrument [Line Items] |  |
Weighted average interest rate | 3.82% |
Carrying value | $ 70 | 75
Total other long-term borrowings |  |
Debt Instrument [Line Items] |  |
Carrying value | $ 70 | $ 75
Minimum | Securitized debt obligations |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 0.46% |
Minimum | Senior notes | Fixed unsecured senior debt |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 0.80% |
Minimum | Senior notes | Floating unsecured senior debt |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 0.93% |
Minimum | Subordinated notes | Fixed unsecured subordinated debt |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 3.38% |
Minimum | Finance lease liabilities |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 0.26% |
Maximum | Securitized debt obligations |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 3.01% |
Maximum | Senior notes | Fixed unsecured senior debt |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 4.75% |
Maximum | Senior notes | Floating unsecured senior debt |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 1.36% |
Maximum | Subordinated notes | Fixed unsecured subordinated debt |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 4.20% |
Maximum | Finance lease liabilities |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 9.91% |

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