0000001 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Consolidated Balance Sheets (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Consolidated Balance Sheets (Parentheticals) (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Consolidated Statements Of Operations and Comprehensive Income (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Consolidated Statements Of Shareholders' Equity (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statements Of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Statement of Cash Flows (Parenthetical) (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - Consolidated Statements of Operations and Comprehensive Income (Parentheticals) (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - General and significant accounting policies link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Fair value measurements link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Reinsurance link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Deferred acquisition costs link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Goodwill link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Unpaid losses and loss expenses, and Future policy benefits link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Policyholders' account balances, Separate accounts, and Unearned revenue liabilities link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Market risk benefits link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Commitments, contingencies, and guarantees link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Shareholders' equity link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Share-based compensation link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Postretirement benefits link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Other Income and Expense link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Segment information link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - Earnings per share link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - General and significant accounting policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Fair value measurements (Fair Value Measurement Policy) (Policies) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - General and significant accounting policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Fair value measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Reinsurance (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Deferred acquisition costs (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Goodwill (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Unpaid losses and loss expenses, and Future policy benefits (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Policyholders' account balances, Separate accounts, and Unearned revenue liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Market risk benefits (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Commitments, contingencies, and guarantees (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Shareholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Postretirement benefits (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Other Income and Expense (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Segment information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Earnings per share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - General and significant accounting policies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Acquisitions (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Investments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Investments (Schedule Of Amortized Cost and Fair Value of Available-for-Sale Securities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Investments (Schedule Of Fixed Maturities By Contractual Maturity) (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Investments (Aggregate Fair Value And Gross Unrealized Loss By Length Of Time Security Has Continuously Been In Unrealized Loss Position) (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Investments (Rollforward of expected credit-losses, AFS) (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Investments (Rollforward of expected credit losses Private Debt HFI) (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Investments (Net Realized Gains (Losses) And Losses Included In Net Realized Gains (Losses) And Other Comprehensive Income) (Detail) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Investments Schedule of Gains and Losses on Equity and Other Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Investments Entities that Calculate Net Asset Value Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Investments (Schedule Of Components Of Restricted Assets) (Detail) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Fair value measurements (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Fair value measurements (Financial Instruments Measured At Fair Value On Recurring Basis) (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Fair value measurements (Assets, Measured At Fair Value Using Significant Unobservable Inputs) (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Fair value measurements (Carrying Values And Fair Values Of Financial Instruments Not Measured At Fair Value) (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Reinsurance (Reinsurance Recoverable on Ceded Reinsurance) (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Reinsurance, Allowance (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Deferred acquisition costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Goodwill (Roll-forward of Goodwill by Business Segment) (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Unpaid losses and loss expenses (RF) (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Unpaid losses and loss expenses Unpaid losses and loss expenses (PPD table) (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Unpaid losses and loss expenses Unpaid losses and loss expenses (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Future policy benefits (Rollforward) (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Future policy benefits (Undiscounted & discounted FPB) (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Future policy benefits (Premiums & interest) (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Future policy benefits (Weighted average interest rates) (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Policyholders' account balances (Policyholder Account Balance Rollforward) (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Policyholders' account balances (Guaranteed Minimum Crediting Rates) (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Separate accounts (Fair value of assets) (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Separate accounts (Separate account liabilities rollforward) (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Unearned revenue liability (URL Rollforward) (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Market risk benefits (MRB Roll-Forward) (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Market Risk Benefits (MRB Valuation) (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Debt (Detail) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Commitments, Contingencies, And Guarantees (Narrative) (Detail) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Commitments, Contingencies, And Guarantees (Balance Sheet Locations, Fair Values In Asset Or (Liability) Position, And Notional Values/Payment Provisions Of Derivative Instruments) (Detail) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Commitment, Contingencies, And Guarantees (Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position) (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Commitments, Contingencies, And Guarantees (Schedule of Net Investment Hedges, Statements of Financial Performance and Financial Position, Location) (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Commitments, Contingencies, And Guarantees (Net Realized Gains (Losses) Of Derivative Instrument Activity In Consolidated Statement Of Operations) (Detail) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Commitments, contingencies, and guarantees Commitments, Contingencies, And Guarantees (Transactions accounted for as secured borrowings) (Detail) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Commitments, contingencies, and guarantees Commitments, Contingencies, And Guarantees (Collateral pledged under repurchase agreements) (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Shareholders' equity (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Shareholders' equity Dividends Declared (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Shareholders' equity Share Repurchases (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Shareholders' equity AOCI (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Shareholders' equity AOCI Reclassifications (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Share-Based Compensation (Detail) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Postretirement benefits Components of net periodic benefit costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Postretirement benefits Components of net periodic benefit costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - Other Income and Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - Segment information (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - Earnings Per Share (Detail) link:presentationLink link:calculationLink link:definitionLink