Investments (Schedule Of Components Of Restricted Assets) (Detail) - Asset Pledged as Collateral without Right - USD ($) $ in Millions |
Sep. 30, 2026 |
Dec. 31, 2025 |
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| Investments [Line Items] | ||
| Trust funds | $ 8,391 | $ 8,461 |
| Assets pledged under repurchase agreements | 3,434 | 3,518 |
| Deposits with U.S. regulatory authorities | 2,498 | 2,598 |
| Deposits with non-U.S. regulatory authorities and other | 4,661 | 4,669 |
| Total restricted assets | $ 18,984 | $ 19,246 |
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- Definition [Line Items] for This table lists the investments. The line items identify information about all investments. No definition available.
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- Definition Restricted assets that are deposits with non-US regulatory authorities and Other Pledged Assets No definition available.
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- Definition Restricted assets that are deposits with US regulatory authorities. No definition available.
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- Definition The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Cash and investments whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of securities pledged as collateral against securities sold under agreement to repurchase. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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