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Investments - Investments - Concentration of Credit Risk (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
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Investments, All Other Investments [Abstract] |  |
Fair Value, Concentration of Risk, Investments | $ 0 | $ 0

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- Definition This item represents disclosure of all significant concentrations of credit risk or market risk arising from the subject financial instrument (as defined), whether from an individual counterparty or groups of counterparties. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-20 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
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