Variable Interest Entities - Re-securitizations (Details) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
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| Transfers of securities to VIEs | |||||
| U.S. GSEs and government agencies | $ 4,708,000,000 | $ 12,772,000,000 | $ 10,198,000,000 | $ 21,178,000,000 | |
| Securities Transferred To Private Label Resecuritization VIEs | 0 | $ 0 | 0 | $ 0 | |
| U.S. GSEs and government agencies | Nonconsolidated re-securitization VIEs | |||||
| Variable Interest Entity [Line Items] | |||||
| Interest in VIEs | $ 2,866,000,000 | $ 2,866,000,000 | $ 3,219,000,000 | ||
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- Definition Amount of securities transferred to agency re-securitization VIEs during the period. No definition available.
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- Definition Amount of securities transferred to private-label re-securitization VIEs during the period. No definition available.
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- Definition Variable Interest Entity, Transfer of Securities [Abstract] No definition available.
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- Definition Amount of net assets (liabilities). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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