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Fair Value Measurement - Nonrecurring Fair Value Measurements (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans Held-for-sale, Fair Value Disclosure | $ 191 | $ 1,000
Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net loans held for investment | 0 | 0
Loans Held-for-sale, Fair Value Disclosure | 11 | 5,091
Other investments | 1,326 | 1,344
Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net loans held for investment | 302,920 | 270,508
Loans Held-for-sale, Fair Value Disclosure | 0 | 0
Other investments | 0 | 0
Nonrecurring |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net loans held for investment | 284 | 194
Loans Held-for-sale, Fair Value Disclosure | 11 | 118
Other assets | 220 | 325
Total assets | 515 | 637
Nonrecurring | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net loans held for investment | 0 | 0
Loans Held-for-sale, Fair Value Disclosure | 11 | 118
Other assets | 0 | 0
Total assets | 11 | 118
Nonrecurring | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net loans held for investment | 284 | 194
Loans Held-for-sale, Fair Value Disclosure | 0 | 0
Other assets | 220 | 325
Total assets | 504 | 519
Equity investments subject to Impairment |  | 50
Equity investments accounted for under measurement alternative | 4 | 29
Foreclosed property and repossessed assets, fair value disclosure | 55 | 40
Long lived assets held for sale | 158 | $ 206
Other investments | $ 3 |

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