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v3.23.2

Investments - Restricted Investments (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Schedule of Investments [Line Items] |  |
Assets Held by Insurance Regulators | $ 2,291 | $ 2,189
Restricted Investments | 3,327 | 3,138
Fair Value Measured at Net Asset Value Per Share [Member] |  |
Schedule of Investments [Line Items] |  |
Deposit Assets | 70 | 62
Syndicate Policyholders [Member] | Debt Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Debt Securities, Available-for-sale, Restricted | 797 | 718
Syndicate Policyholders [Member] | Short-term investments |  |
Schedule of Investments [Line Items] |  |
Restricted Investments, Current | 6 | 8
Lloyd's of London [Member] | Debt Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Debt Securities, Available-for-sale, Restricted | $ 163 | $ 161

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