Arrangements with Off-Balance Sheet Risk - Schedule of Guarantor Obligations (Details) - USD ($) $ in Millions |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2026 |
Dec. 31, 2025 |
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| Contingent repurchase commitments | ||
| Guarantor Obligations [Line Items] | ||
| Maximum Potential Payments | $ 163 | $ 186 |
| Estimated Proceeds from Collateral/Recourse | 163 | 186 |
| Carrying Amount of Liabilities | ||
| Credit guarantees | ||
| Guarantor Obligations [Line Items] | ||
| Maximum Potential Payments | 775 | 15 |
| Estimated Proceeds from Collateral/Recourse | ||
| Carrying Amount of Liabilities | $ 29 | $ 14 |
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- Definition The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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- Definition Indicates, if estimable, the approximate extent to which the proceeds from liquidation of any assets held either as collateral or by third parties would be expected to cover the maximum potential amount of future payments under the guarantee or each group of similar guarantees. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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