0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Condensed Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Condensed Consolidated Statements of Operations (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Condensed Consolidated Statements of Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Condensed Consolidated Statements of Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952158 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - New Accounting Standards link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Supplemental Information about Changes to Accumulated Other Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Policy Liabilities link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Deferred Acquisition Costs link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Liability for Unpaid Claims link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Postretirement Benefits link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Business Segments link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Supplemental Information about Changes to Accumulated Other Comprehensive Income (Loss) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Policy Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Deferred Acquisition Costs (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Liability for Unpaid Claims (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Postretirement Benefits (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Business Segments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Supplemental Information about Changes to Accumulated Other Comprehensive Income (Loss) - Schedule of Change in Balance by Component (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Supplemental Information about Changes to Accumulated Other Comprehensive Income (Loss) - Schedule of Reclassifications (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Investments - Schedule of Fixed Maturities Available for Sale by Component (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Investments - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Investments - Schedule of Fixed Maturities by Contractual Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Investments - Schedule of Analysis of Investment Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Investments - Schedule of Selected Information about Sales of Fixed Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Investments - Schedule of Realized Gains (Losses) on Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Investments - Schedule of Assets Measured at Fair Value on Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Investments - Schedule of Changes in Assets Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3) (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Investments - Schedule of Unrealized Gains or (Losses) Included in Other Comprehensive Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Investments - Schedule of Quantitative Information about Level 3 Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Investments - Schedule of Information about Investments in Unrealized Loss Position (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Investments - Schedule of Unrealized Investment Losses by Class of Investment (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Investments - Schedule of Fixed Maturities, Allowance for Credit Loss (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Investments - Schedule of Commercial Mortgage Loan Participations (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Investments - Schedule of Commercial Mortgage Loan Participations Recorded Investment (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Investments - Schedule of Commercial Loan Participations, Allowance for Credit Loss (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Investments - Schedule of Other Long-Term Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Investments - Schedule of Investment Funds (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Policy Liabilities - Schedule of Liability for Future Policy Benefit, Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Policy Liabilities - Schedule of Liability For Future Policy Benefits To Consolidated Balance Sheets (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Policy Liabilities - Schedule of Weighted Average Interest Rate of Liability For Future Policy Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Policy Liabilities - Schedule of Weighted Average Duration of Liability For Future Policy Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Policy Liabilities - Schedule of Liability For Future Policy Benefits To Consolidated Income Statement (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Policy Liabilities - Schedule of Undiscounted And Discounted Expected Future Gross Premiums And Expected Future Benefits And Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Policy Liabilities - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Policy Liabilities - Schedule of Policyholder Account Balance (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Policy Liabilities - Schedule of Policyholder Account Balance, Guaranteed Minimum Crediting Rate (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Deferred Acquisition Costs - Schedule of Analysis of Deferred Acquisition Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Deferred Acquisition Costs - Schedule of Deferred Policy Acquisition Costs to Consolidated Balance Sheet (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Liability for Unpaid Claims - Schedule of Liability for Unpaid Health Claims (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Liability for Unpaid Claims - Schedule of Reconciliation of Policy Claims and Other Benefits Payable (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Postretirement Benefits - Schedule of Pension Assets by Component at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Postretirement Benefits - Schedule of Information Regarding the SERP (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Postretirement Benefits - Schedule of Pension Liability (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Postretirement Benefits - Schedule of Net Periodic Benefit Cost (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Debt - Schedule of Selected Information about Debt Issues (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Debt - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Debt - Schedule of Short-Term Borrowings (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Business Segments - Schedule of Segment Premium Income by Distribution Channel (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Business Segments - Schedule of Reconciliation of Segment Operating Information to Consolidated Statement of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Business Segments - Schedule of Assets by Segment (Details) link:presentationLink link:calculationLink link:definitionLink