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Other Insurance Liabilities and Separate Accounts - Roll Forward of Policyholders' Funds (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Policyholder Account Balance [Roll Forward] |  |
Policyholders’ funds, beginning of the period | $ 345 | $ 522
Deposits received | 0 | 13
Policy charges | (2) | (2)
Surrenders and withdrawals | (35) | (31)
Interest credited | 9 | 11
Change in net unrealized gains (losses) | 39 | (148)
Other | (24) | (20)
Policyholders’ funds, end of the period | $ 332 | $ 345
Weighted average crediting rate | 4.32% | 4.72%
Net amount at risk | $ 0 | $ 0
Cash surrender value | $ 313 | $ 339

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- Definition Amount of cash to be paid to policyholder upon termination and surrender of long-duration contract issued by insurance entity. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29F -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-29F Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-7A + Details
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