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Commitments and Contingencies Guarantees and Bond Indemnifications (Details) - USD ($) | Sep. 30, 2025 | Dec. 31, 2024
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Commitments and Contingencies, Guarantees and Indemnifications [Abstract] |  |
Assets Held As Collateral For Guarantor Obligations | $ 0 | $ 0
Guarantor Obligations, Maximum Exposure, Undiscounted | $ 111,000,000 | $ 93,000,000

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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 + Details
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- Definition The amount of assets held either as collateral or by third parties that, upon the occurrence of any triggering event or condition under the guarantee, the guarantor can obtain and liquidate to recover all or a portion of the amounts paid under the guarantee. + References No definition available. + Details
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- Definition Commitments and Contingencies, Guarantees and Indemnifications [Abstract] + References No definition available. + Details
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