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Disclosure - Fair Values link:presentationLink link:calculationLink link:definitionLink 2407405 - Disclosure - Fair Values Level 3 Financial Instruments Changes in Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Fair Values Level 3 Fixed Maturitiies on a Recurring Basis by Valuation Source (Details) link:presentationLink link:calculationLink link:definitionLink 2407404 - Disclosure - Fair Values Quantitative Information about Unobservable Measurement Inputs (Details) link:presentationLink link:calculationLink link:definitionLink 2307301 - Disclosure - Fair Values (Tables) link:presentationLink link:calculationLink link:definitionLink 2407402 - Disclosure - Fair Values Valuation of Financial Instruments by Hierarchy Levels (Details) link:presentationLink link:calculationLink link:definitionLink 2407406 - Disclosure - Fair Values Valuation of Financial Instruments not reported at fair value (Details) link:presentationLink link:calculationLink link:definitionLink 2416402 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 2116100 - Disclosure - Income Taxes Level 1 (Notes) link:presentationLink link:calculationLink link:definitionLink 2316301 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 2104100 - Disclosure - Investment Operations link:presentationLink link:calculationLink link:definitionLink 2404410 - Disclosure - Investment Operations Allowance on Mortgage Loans (Details) link:presentationLink link:calculationLink link:definitionLink 2404403 - Disclosure - Investment Operations Available-for-sale Fixed Maturities by Maturity Date (Details) link:presentationLink link:calculationLink link:definitionLink 2404402 - Disclosure - Investment Operations Available-for-sale Securities (Details) link:presentationLink link:calculationLink link:definitionLink 2404406 - Disclosure - Investment Operations Credit loss component of Other-than-temporary Impairments on Fixed Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 2404414 - 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Disclosure - Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2201201 - Disclosure - Significant Accounting Policies Level 2 (Policies) link:presentationLink link:calculationLink link:definitionLink 2401402 - Disclosure - Significant Accounting Policies Recent accounting pronouncements (Details) link:presentationLink link:calculationLink link:definitionLink 2125100 - Disclosure - Stockholders Equity link:presentationLink link:calculationLink link:definitionLink 2425403 - Disclosure - Stockholders Equity Accumulated other comprehensive income (Details) link:presentationLink link:calculationLink link:definitionLink 2425404 - Disclosure - Stockholders Equity AOC I Reclassification Adjustments (Details) link:presentationLink link:calculationLink link:definitionLink 2425402 - Disclosure - Stockholders Equity (Details) link:presentationLink link:calculationLink link:definitionLink 2325301 - Disclosure - Stockholders Equity (Tables) link:presentationLink link:calculationLink link:definitionLink