0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Consolidated Statements of Income link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Consolidated Statements of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statements of Preferred Stock and Common Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Consolidated Statements of Preferred Stock and Common Shareholders' Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952158 - Statement - Consolidated Statements of Cash Flows (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Losses, Claims and Settlement Expenses link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Common Share Data link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Credit Losses link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Common Share Repurchases link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Commitments and Contingent Liabilities Commitments and Contingent Liabilities link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Information About Segments of Business link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Income taxes (Notes) link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Losses, Claims and Settlement Expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Common Share Data (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Credit Losses (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - 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Disclosure - Investments Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Investments Net Investment Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Investments Textuals (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Investments Fixed Income Securities Stratified by Contractual Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Investments Gross Unrealized Losses and Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Investments Equity Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Losses, Claims and Settlement Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Common Share Data (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Debt Financial Liabilities Disclosed, but not Carried, at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Common Share Repurchases (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Information About Segments of Business (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Information About Segments of Business Textuals (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Information About Segments of Business Reconciliation of Assets from Segment to Consolidated (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - 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