Fair Value Measurements - Schedule of Fair Value Option for Mortgage Loans Held For Sale (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Fair Value | $ 15,548 | $ 15,471 |
| Mortgage loans held for sale | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Fair Value | 15,548 | 15,471 |
| UPB | 15,230 | 15,061 |
| Difference | 318 | 410 |
| Non-mortgage loans held for sale | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Fair Value | 485 | 411 |
| UPB | 474 | 406 |
| Difference | 11 | 5 |
| Assets of the consolidated CFE | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Fair Value | 103 | 152 |
| UPB | 101 | 152 |
| Difference | $ 2 | $ 0 |
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- Definition Mortgages Held-for-sale, Unpaid Principal Balance No definition available.
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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/exampleRef
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- Definition This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans and long-term receivables (other than securities categorized as trading, available-for-sale or held-to-maturity) that have contractual principal amounts and for which the fair value option has been elected. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value portion of mortgage loans held-for-sale. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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