0000001 - Document - Cover Document link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Condensed Consolidated Statements of Operations (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Condensed Consolidated Statements of Comprehensive Income (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Condensed Consolidated Balance Sheets (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Condensed Consolidated Balance Sheets Parentheticals link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Basis of Presentation and Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Earnings Per Common Share link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Derivatives link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Premiums Receivable (Notes) link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Reinsurance link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Reserve for Unpaid Losses and Loss Adjustment Expenses link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Reserve for Future Policy Benefits link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Other Policyholder Funds and Benefits Payable link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Equity link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Changes in and Reclassifications from Accumulated Other Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Employee Benefit Plans link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Discontinued Operations and Disposal Groups link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Earnings (Loss) Per Common Share Earnings Per Common Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Derivatives (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Premiums Receivable (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Reinsurance (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Reserve for Unpaid Losses and Loss Adjustment Expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Reserve for Future Policy Benefits (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Other Policyholder Funds and Benefits Payable (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Accumulated Other Comprehensive Income Loss (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Employee Benefit Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Discontinued Operations and Disposal Groups (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Basis of Presentation and Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Earnings (Loss) Per Common Share - Computation of Basic and Diluted Earnings Per Common Share (Detail) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Segment Information - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Segment Information - Reconciliation of Revenue from Segments to Consolidated (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Segment Information - Reconciliation of Other Items from Segments to Consolidated (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Segment Information - Net Income From Segments to Consolidated (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Segment Information - Reconciliation of Assets From Segment To Consolidated (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Segment Information - Non-insurance Revenue from Customers (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Fair Value Measurements - Fair Value by Hierarchy (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Fair Value Measurements - Significant Unobservable Inputs Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Fair Value Measurements - Significant Unobservable Inputs Freestanding Derivatives (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Fair Value Measurements - Fair Value Recurring Basis, Unobservable Input (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Fair Value Measurements - Changes in Unrealized Gains (Losses) Included in Net Income for Financial Instruments Classified as Level 3 Still Held at Year End (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Fair Value Measurements - Fair Value Option (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Fair Value Measurements - Financial Instruments Not Carried at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Investments - Investments - Net Realized Capital Gains (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Investments - Investments - Accrued Interest Receivable on Fixed Maturities, AFS and Mortgage Loans (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Investments - Investments - ACL on Fixed Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Investments - Investments - Available-for-Sale Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Investments - Investments - Fixed Maturities, AFS, by Contractual Maturity Year (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Investments - Investments - Concentration of Credit Risk (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Investments - Investments - Unrealized Losses on AFS Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Investments - Investments - ACL on Mortgages (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Investments - Investments - Loan-to-Value and Debt Service Coverage Ratio by Origination Year (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Investments - Investments - Mortgage Loans by Region and Property Type (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Investments - Investments - Past-Due Mortgage Loans (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Investments - Investments - Mortgage Servicing (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Investments - Variable Interest Entities (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Investments - Reverse Repurchase Agreements and Other Collateral Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Investments - Restricted Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Derivatives - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Derivatives - Derivative Balance Sheet Classification (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Derivatives - Offsetting Derivative Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Derivatives - Cash Flow Hedges (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Derivatives - Cash Flow Hedges (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Derivatives - Non-qualifying Strategies (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Derivatives - Credit Risk Assumed through Credit Derivatives (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Premiums Receivable - Premiums Receivable and Agents' Balances (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Premiums Receivable - Rollforward of Premiums Receivable and Agents' Balances (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Reinsurance - Credit Quality Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Reinsurance - Credit Quality Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Reinsurance - Reinsurance Recoverable, Allowance for Credit Loss (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Reinsurance - Reinsurance Recoverable, Allowance for Credit Loss (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Reserve for Unpaid Losses and Loss Adjustment Expenses - P&C Liabilities for Unpaid Losses and Loss Adjustment Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Reserve for Unpaid Losses and Loss Adjustment Expenses - P&C Liabilities for Unpaid Losses and Loss Adjustment Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Reserve for Unpaid Losses and Loss Adjustment Expenses - P&C Prior Accident Years Reserve Development (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Reserve for Unpaid Losses and Loss Adjustment Expenses - P&C Prior Accident Years Reserve Development (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Reserve for Unpaid Losses and Loss Adjustment Expenses - PC Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Reserve for Unpaid Losses and Loss Adjustment Expenses - PC Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Reserve for Unpaid Losses and Loss Adjustment Expenses - EB Liabilities for Unpaid Losses and Loss Adjustment Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Reserve for Unpaid Losses and Loss Adjustment Expenses - EB Additional information (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Reserve for Future Policy Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Other Policyholder Funds and Benefits Payable (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Income Taxes - Effective Income Tax Rate Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Commitments and Contingencies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Commitments and Contingencies - Derivative Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Equity Equity Repurchase Program (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Accumulated Other Comprehensive Income Loss - AOCI Rollforward (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - Accumulated Other Comprehensive Income Loss - Reclassifications from AOCI (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - Employee Benefit Plans - Components of Net Periodic Benefit Cost (Benefit) (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - Discontinued Operations and Disposal Groups - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955580 - Disclosure - Discontinued Operations and Disposal Groups, Including Discontinued Operations (Details) link:presentationLink link:calculationLink link:definitionLink