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Commitment and Contingencies - Narrative (Details) - USD ($) | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Other Commitments [Line Items] |  |
Fair Value | $ 10,416,000,000 | $ 9,159,000,000
Total loans and leases held for investment | 68,272,000,000 | 84,619,000,000
Commitments to purchase securities | 0 |
Asset pledged as collateral |  |
Other Commitments [Line Items] |  |
Fair Value | 10,200,000,000 | 2,800,000,000
Total loans and leases held for investment | $ 44,600,000,000 | $ 43,100,000,000

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