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Other Comprehensive Income (Loss) And Accumulated Other Comprehensive Income
 12 Months Ended
Dec. 31, 2023
Equity [Abstract]  
Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Income AND ACCUMULATED OTHER COMPREHENSIVE LOSS
The tables below display the changes in Accumulated Other Comprehensive Loss by component for the years ended December 31, 2023, 2022 and 2021:
(Dollars in Millions)
Net Unrealized Losses on Other Investments
Net Unrealized Losses on Investments with an Allowance for Credit Losses
Net Unrecognized Postretirement Benefit Costs
Gain on Cash Flow Hedge on Cash Flow Hedges
Change in Discount Rate on Future Life Policyholder BenefitsTotal
Balance as of January 1, 2021
$730.6 $(2.1)$(45.7)$(2.3)$(1,030.3)$(349.8)
Other Comprehensive (Loss) Income Before Reclassifications
(182.0)(1.6)(6.5)— 180.6 (9.5)
Amounts Reclassified from Accumulated Other Comprehensive Income Net of Tax Benefit (Expense) of $11.3, $—, $—, $(0.1). $—, and $11.2
(42.8)— 0.1 0.4 — (42.3)
Other Comprehensive Income (Loss) Net of Tax Benefit (Expense) of $59.7, $0.4, $2.4, $(0.1), $(47.9), and $14.5
(224.8)(1.6)(6.4)0.4 180.6 (51.8)
Balance as of December 31, 2021
$505.8 $(3.7)$(52.1)$(1.9)$(849.7)$(401.6)
Other Comprehensive (Loss) Income Before Reclassifications
(1,215.1)2.0 15.2 4.7 1,090.8 (102.4)
Amounts Reclassified from Accumulated Other Comprehensive Loss Net of Tax Benefit of $2.7, $0.1, $0.1, $—, $—, and $2.9
(10.1)(0.5)(0.3)— — (10.9)
Other Comprehensive (Loss) Income Net of Tax Benefit (Expense) of $325.9, $(0.4), $(4.0), $(1.2), $(289.9) and $30.4
(1,225.2)1.5 14.9 4.7 1,090.8 (113.3)
Balance as of December 31, 2022
$(719.4)$(2.2)$(37.2)$2.8 $241.1 $(514.9)
Other Comprehensive Income (Loss) Before Reclassifications
185.0 (0.3)(6.0)— (80.5)98.2 
Amounts Reclassified from Accumulated Other Comprehensive Loss Net of Tax (Expense) Benefit of $(0.9), $—, $(13.8), $(0.1), $—, and $(14.8)
3.5 — 52.7 (0.3)— 55.9 
Other Comprehensive Income (Loss) Before Reclassifications Net of Tax (Expense) Benefit of $(50.3), $0.2, $(12.5), $(0.1), $21.2, and $(41.5)
188.5 (0.3)46.7 (0.3)(80.5)154.1 
Balance as of December 31, 2023
$(530.9)$(2.5)$9.5 $2.5 $160.6 $(360.8)
NOTE 16. OTHER COMPREHENSIVE INCOME (LOSS) AND ACCUMULATED OTHER COMPREHENSIVE LOSS (Continued)
Amounts reclassified from Accumulated Other Comprehensive Loss shown above are reported in Net Loss as follows:
Components of AOCI
Consolidated Statements of Loss Line Item Affected by Reclassifications
Net Unrealized Gains (Losses) on Other Investments and Net Unrealized Gains (Losses) on Investments with an Allowance for Credit Losses
Net Realized Investment (Losses) Gains and Impairment Losses
Net Unrecognized Postretirement Benefit CostsPolicyholders’ Benefits and Incurred Losses and Loss Adjustment Expenses, Insurance Expenses, and Interest and Other Expenses
(Loss) Gain on Cash Flow Hedges
Interest and Other Expenses
Change in Discount Rate on Future Life Policyholder BenefitsNot Applicable