Offsetting Assets and Liabilities - Schedule of Partnership's Securities Purchased Under Agreement to Resell (Detail) - USD ($) $ in Millions |
Sep. 25, 2026 |
Dec. 31, 2025 |
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| Offsetting Securities Purchased under Agreements to Resell [Abstract] | ||
| Securities purchased under agreements to resell, Gross amounts of recognized assets | $ 806 | $ 687 |
| Securities purchased under agreements to resell, Gross amounts offset in the Consolidated Statements of Financial Condition | 0 | 0 |
| Securities purchased under agreements to resell, Net amounts presented in the Consolidated Statements of Financial Condition | 806 | 687 |
| Securities purchased under agreements to resell, Gross amounts not offset in the Consolidated Statements of Financial Condition, Financial instruments | 0 | 0 |
| Securities purchased under agreements to resell, Gross amounts not offset in the Consolidated Statements of Financial Condition, Securities collateral | (806) | (687) |
| Securities purchased under agreements to resell, Net amount | $ 0 | $ 0 |
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- Definition Securities purchased under agreements to resell gross amounts offset. No definition available.
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- Definition Amount of obligation to return financial instruments collateral under master netting arrangements that have not been offset against securities purchased under agreement to resell. No definition available.
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- References No definition available.
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- Definition Amount, after the effects of master netting arrangements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes purchases of participations in pools of securities that are subject to a resale agreement, assets not subject to a master netting arrangement and not elected to be offset. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after effect of master netting arrangement and deduction of obligation to return financial collateral not offset and financial instrument subject to master netting arrangement not offset, of fund outstanding loaned in form of security resale agreement for purchase and resale of identical or substantially same security at date certain for specified price. Includes security purchased under agreement to resell not subject to master netting arrangement or similar agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of obligation to return securities collateral under master netting arrangements that have not been offset against securities purchased under agreement to resell. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before effects of master netting arrangements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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