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Schedule of Effect of Change in Discount Rate Assumptions on the Liability for Future Policy Benefits (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Future Policy Benefits |  |
Schedule of Effect of Change in Discount Rate Assumptions on the Liability for Future Policy Benefits |  |
Beginning of Period Balance | $ 445.0 | $ (12,565.6)
OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment and Tax | (882.9) | 5,396.8
End of Period Balance | (437.9) | (7,168.8)
Reinsurance Recoverable |  |
Schedule of Effect of Change in Discount Rate Assumptions on the Liability for Future Policy Benefits |  |
Beginning of Period Balance | (748.4) | 992.5
OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment and Tax | 156.1 | (755.9)
End of Period Balance | (592.3) | 236.6
Income Tax |  |
Schedule of Effect of Change in Discount Rate Assumptions on the Liability for Future Policy Benefits |  |
Beginning of Period Balance | 617.3 | 3,002.4
OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment and Tax | 152.9 | (982.8)
End of Period Balance | 770.2 | 2,019.6
Effect of Change in Discount Rate Assumptions on the LFPB1 |  |
Schedule of Effect of Change in Discount Rate Assumptions on the Liability for Future Policy Benefits |  |
Beginning of Period Balance | 313.9 | (8,570.7)
OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment and Tax | (573.9) | 3,658.1
End of Period Balance | $ (260.0) | $ (4,912.6)

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- Definition Amount, after tax, of accumulated other comprehensive income (loss) (AOCI) from (increase) decrease in liability for future policy benefit from change in discount rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-14A + Details
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- Definition Amount, after tax and reclassification adjustment, of unrealized gain (loss) from (increase) decrease in liability for future policy benefit from change in discount rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 10A -Subparagraph (m) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-10A + Details
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