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Variable Interest Entities and Securitizations - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Variable Interest Entity [Line Items] |  |
Amortization method qualified affordable housing investments, amortization | $ 682 | $ 637
Affordable housing tax credits | 721 | 664
Amortization method qualified affordable housing investments | 5,500 | 4,900
Qualified affordable housing investments, commitment | 2,300 | 1,800
Assets | 478,464 | 455,249
VIE, reporting entity involvement, maximum loss exposure | 6,175 | 5,281
Unconsolidated |  |
Variable Interest Entity [Line Items] |  |
Assets | 6,175 | 5,281
Consolidated |  |
Variable Interest Entity [Line Items] |  |
Assets | 33,288 | 31,045
Affordable housing entities |  |
Variable Interest Entity [Line Items] |  |
VIE, reporting entity involvement, maximum loss exposure | 5,726 | 4,944
Affordable housing entities | Unconsolidated |  |
Variable Interest Entity [Line Items] |  |
Assets | 5,726 | 4,944
Total assets of the unconsolidated VIE investment funds | 18,600 | 12,500
Affordable housing entities | Consolidated |  |
Variable Interest Entity [Line Items] |  |
Assets | 297 | 261
Entities that provide capital to low-income and rural communities |  |
Variable Interest Entity [Line Items] |  |
VIE, reporting entity involvement, maximum loss exposure | 0 | 0
Entities that provide capital to low-income and rural communities | Unconsolidated |  |
Variable Interest Entity [Line Items] |  |
Assets | 0 | 0
Entities that provide capital to low-income and rural communities | Consolidated |  |
Variable Interest Entity [Line Items] |  |
Assets | 2,498 | 2,301
Other |  |
Variable Interest Entity [Line Items] |  |
VIE, reporting entity involvement, maximum loss exposure | 449 | 337
Other | Unconsolidated |  |
Variable Interest Entity [Line Items] |  |
Assets | 449 | 337
Other | Consolidated |  |
Variable Interest Entity [Line Items] |  |
Assets | $ 0 | $ 0

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