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Other Insurance Liabilities and Separate Accounts - Roll Forward of Policyholders' Funds (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Policyholder Account Balance [Roll Forward] |  |
Policyholders’ funds, beginning of the period | $ 522 | $ 568
Deposits received | 13 | 20
Policy charges | (2) | (2)
Surrenders and withdrawals | (31) | (21)
Interest credited | 11 | 12
Change in net unrealized gains (losses) | (148) | (42)
Other | (20) | (13)
Policyholders’ funds, end of the period | $ 345 | $ 522
Weighted average crediting rate | 4.72% | 4.81%
Net amount at risk | $ 0 | $ 0
Cash surrender value | $ 339 | $ 346

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 55 -Paragraph 29F -URI https://asc.fasb.org/extlink&oid=126561865&loc=SL117819544-158441 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 7A -Subparagraph (b)(3) -URI https://asc.fasb.org/extlink&oid=124506351&loc=SL117782755-158439 + Details
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