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Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Income | 9 Months Ended
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Sep. 30, 2023
Statement of Comprehensive Income [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 nine months ended September 30, 2023 and 2022.
(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 |  | Change in Discount Rate on Future Life Policyholder Benefits |  | Total
Balance as of January 1, 2023 |  | $ | (719.4) |  |  | $ | (2.2) |  |  | $ | (37.2) |  |  | $ | 2.8 |  |  | $ | 241.1 |  |  | (514.9) |
Other Comprehensive (Loss) Income Before Reclassifications |  | (183.3) |  |  | 0.5 |  |  | (5.4) |  |  | — |  |  | 171.9 |  |  | (16.3) |
Amounts Reclassified from Accumulated Other Comprehensive Loss Net of Tax (Expense) Benefit of $(1.7), $0.5, $(14.1), $0.0, $0.0 and $(15.3) |  | 6.5 |  |  | (1.7) |  |  | 53.1 |  |  | (0.1) |  |  | — |  |  | 57.8 |
Other Comprehensive (Loss) Income Net of Tax Benefit (Expense) of $47.1, $0.4, $(12.6), $0.0, $(45.7), and $(10.8) |  | (176.8) |  |  | (1.2) |  |  | 47.7 |  |  | (0.1) |  |  | 171.9 |  |  | 41.5 |
Balance as of September 30, 2023 |  | $ | (896.2) |  |  | $ | (3.4) |  |  | $ | 10.5 |  |  | $ | 2.7 |  |  | $ | 413.0 |  |  | $ | (473.4) |
(Dollars in Millions) |  | Net Unrealized Gains (Losses) on Other Investments |  | Net Unrealized Losses on Investments with an Allowance for Credit Losses |  | Net Unrecognized Postretirement Benefit Costs |  | (Loss) Gain on Cash Flow Hedge |  | Change in Discount Rate on Future Life Policyholder Benefits |  | Total
Balance as of January 1, 2022 |  | $ | 505.8 |  |  | $ | (3.7) |  |  | $ | (52.1) |  |  | $ | (1.9) |  |  | $ | (849.7) |  |  | $ | (401.6) |
Other Comprehensive (Loss) Income Before Reclassifications |  | (1,281.0) |  |  | (1.0) |  |  | — |  |  | 4.7 |  |  | 1,122.5 |  |  | (154.8) |
Amounts Reclassified from Accumulated Other Comprehensive Loss Net of Tax Benefit of $4.5, $0.0, $0.0, $0.0, $0.0 and $4.5 |  | (17.2) |  |  | — |  |  | (0.2) |  |  | — |  |  | — |  |  | (17.4) |
Other Comprehensive (Loss) Income Net of Tax Benefit (Expense) of $345.0, $0.3, $0.1, $(1.2), $(298.4), and $45.8 |  | (1,298.2) |  |  | (1.0) |  |  | (0.2) |  |  | 4.7 |  |  | 1,122.5 |  |  | (172.2) |
Balance as of September 30, 2022 |  | $ | (792.4) |  |  | $ | (4.7) |  |  | $ | (52.3) |  |  | $ | 2.8 |  |  | $ | 272.8 |  |  | $ | (573.8) |
Note 13 - Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Loss (Continued) The tables below display the changes in Accumulated Other Comprehensive Loss by component for the three months ended September 30, 2023 and 2022.
(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 |  | Change in Discount Rate on Future Life Policyholder Benefits |  | Total
Balance as of June 30, 2023 |  | $ | (637.6) |  |  | $ | (2.3) |  |  | $ | (38.0) |  |  | $ | 2.7 |  |  | $ | 194.4 |  |  | $ | (480.8) |
Other Comprehensive (Loss) Income Before Reclassifications |  | (258.7) |  |  | (0.9) |  |  | (5.4) |  |  | — |  |  | 218.6 |  |  | (46.4) |
Amounts Reclassified from Accumulated Other Comprehensive Loss Net of Tax Benefit (Expense) of $0.1, $0.1, $(14.4), $0.0, $0.0 and $(14.2) |  | 0.1 |  |  | (0.2) |  |  | 53.9 |  |  | — |  |  | — |  |  | 53.8 |
Other Comprehensive (Loss) Income Net of Tax Benefit (Expense) of $67.5, $0.8, $(12.6), $0.0, $(58.2), and $(2.5) |  | (258.6) |  |  | (1.1) |  |  | 48.5 |  |  | — |  |  | 218.6 |  |  | 7.4 |
Balance as of September 30, 2023 |  | $ | (896.2) |  |  | $ | (3.4) |  |  | $ | 10.5 |  |  | $ | 2.7 |  |  | $ | 413.0 |  |  | $ | (473.4) |
(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 |  | Change in Discount Rate on Future Life Policyholder Benefits |  | Total
Balance as of June 30, 2022 |  | $ | (467.3) |  |  | $ | (4.1) |  |  | $ | (52.2) |  |  | $ | 2.8 |  |  | $ | 11.4 |  |  | $ | (509.4) |
Other Comprehensive (Loss) Income Before Reclassifications |  | (309.1) |  |  | (0.6) |  |  | — |  |  | — |  |  | 261.4 |  |  | (48.3) |
Amounts Reclassified from Accumulated Other Comprehensive Loss Net of Tax Benefit of $4.3, $0.0,$0.0, $0.0, $0.0, and $4.3 |  | (16.0) |  |  | — |  |  | (0.1) |  |  | — |  |  | — |  |  | (16.1) |
Other Comprehensive (Loss) Income Net of Tax Benefit (Expense) of $86.4, $0.2, $0.1, $0.0 $(69.5) and $17.2 |  | (325.1) |  |  | (0.6) |  |  | (0.1) |  |  | — |  |  | 261.4 |  |  | (64.4) |
Balance as of September 30, 2022 |  | $ | (792.4) |  |  | $ | (4.7) |  |  | $ | (52.3) |  |  | $ | 2.8 |  |  | $ | 272.8 |  |  | $ | (573.8) |
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 Gains (Losses)
Net Unrecognized Postretirement Benefit Costs | Policyholders’ 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 Benefits | Not Applicable

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//220/tableOfContent + Details
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