Collateralized Agreements and Offsetting Arrangements - Collateral in the Form of Securities Pledged (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
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| Trading securities | Asset Pledged as Collateral | ||
| Collateral in the Form of Securities Pledged [Line Items] | ||
| Financial Instruments, Owned, at Fair Value | $ 8,433 | $ 11,159 |
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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 The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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