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Contingencies - Additional Information (Detail) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Other Commitments [Line Items] |  |
Guarantees | $ 6.9 | $ 6.2
Maximum [Member] |  |
Other Commitments [Line Items] |  |
Fixed maturity guarantee remaining term | 8 years |

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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482425/460-10-50-4 + Details
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- Details
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