Hotel/Motel Hotel [Member] Maximum Maximum [Member] OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax Carrying Value Portion at Fair Value Measurement [Member] Deferrals Deferrals [Member] Deferrals Statistical Measurement [Domain] Statistical Measurement [Domain] Policyholder Account Balance [Line Items] Policyholder Account Balance [Line Items] Debt Service Coverage Ratio Range [Axis] Debt Service Coverage Ratio Range [Axis] Debt Service Coverage Ratio Range [Axis] Reciprocal Loan Agreement Reciprocal Loan Agreement [Member] Reciprocal Loan Agreement [Member] Carrying Value Reported Value Measurement [Member] Document Fiscal Year Focus Document Fiscal Year Focus VRIAC-managed institutional/mutual fund plan assets VRIAC-managed institutional/mutual fund plan assets [Member] VRIAC-managed institutional/mutual fund plan assets Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Counterparty netting, Liabilities Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset Policyholder Account Balance Policyholder Account Balance [Table Text Block] Financial Instrument [Axis] Financial Instrument [Axis] Customer [Axis] Customer [Axis] Collateral Securities Repledged, Delivered, or Used Collateral Securities Repledged, Delivered, or Used Separate Account Asset Category [Axis] Separate Account Asset Category [Axis] Common Stock, Value, Issued Common Stock, Value, Issued Interest Expense Interest Expense, Operating and Nonoperating Financial Instruments Not Carried At Fair Value Financial Instruments Not Carried At Fair Value [Table Text Block] Financial Instruments Not Carried At Fair Value Total fixed maturities, less securities pledged, Fair Value Available-for-sale Securities, Less Securities Pledged, Debt Securities, Fair Value Disclosure Available-for-sale Securities, Less Securities Pledged, Debt Securities, Fair Value Disclosure Assets held in separate accounts Separate Account Asset Line of Credit Line of Credit [Member] Counterparty netting, Assets Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset Limited partnerships/corporations Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Derivative Instrument [Axis] Derivative Instrument [Axis] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 to 0200 Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 to 0200 [Member] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 to 0200 Industrial Industrial Property [Member] After five years through ten years, Fair Value Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Fair Value Effect on Other Comprehensive Income (Loss) Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block] Future policy benefits and contract owner account balances Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense Measurement Frequency [Axis] Measurement Frequency [Axis] US Treasury and Government US Treasury and Government [Member] Amendment Flag Amendment Flag Schedule of Notional Amounts of Outstanding Derivative Positions Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Credit contracts Credit Default Swap [Member] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances Debt-to-Value Ratio, 80 to 100 Percent Debt-to-Value Ratio, 80 to 100 Percent [Member] Net investment income Net Investment Income Net Investment Income Proceeds from Contributed Capital Proceeds from Contributed Capital Fixed maturities, Gross Unrealized Capital Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Separate Account, Mortgage-Backed Security Separate Account, Mortgage-Backed Security [Member] Other asset-backed securities Asset-Backed Securities [Member] Allowance for Credit Losses [Table] Allowance for Credit Losses [Table] Allowance for Credit Losses [Table] Loss Contingencies [Table] Loss Contingencies [Table] Investments [Domain] Investments [Domain] VIPS VIPS [Member] Voya Institutional Plan Services, LLC [Member] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Axis] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Axis] Related Party Transactions Related Party Transactions Disclosure [Text Block] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Renewable Beyond 12 Months Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Renewable Beyond 12 Months [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Renewable Beyond 12 Months Transfers in to Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Entity Address, State or Province Entity Address, State or Province Policyholder Account Balance, above Guaranteed Minimum Crediting Rate Policyholder Account Balance, above Guaranteed Minimum Crediting Rate Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Equity securities Payments to Acquire Equity Securities, FV-NI Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements Financing Receivable, Excluding Accrued Interest, Nonaccrual Financing Receivable, Excluding Accrued Interest, Nonaccrual Private Equity Funds, Non-US Private Equity Funds, Non-US [Member] Short-term investments and cash equivalents Short-term Investments and Cash Equivalents [Member] Short-term Investments and Cash Equivalents [Member] Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Common Stock, Par or Stated Value Per Share Common Stock, Par or Stated Value Per Share Short Term Loan Affiliate Short Term Loan Affiliate Short Term Loan Affiliate Derivative, Notional Amount Notional Amount Derivative, Notional Amount Deposit Contracts, Assets Deposit Contracts, Assets Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Available-for-sale securities, Before-Tax Amount: OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax [Abstract] Loss Contingency, Range of Possible Loss, Portion Not Accrued Loss Contingency, Range of Possible Loss, Portion Not Accrued Number of Reportable Segments Number of Reportable Segments Adjustments for New Accounting Pronouncements [Axis] Accounting Standards Update [Axis] Financing Receivable, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Debt Securities, Available-for-Sale, Allowance for Credit Loss Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table Text Block] Financing Receivable, Allowance for Credit Loss, Current Financing Receivable, Allowance for Credit Loss, Current Investments: Investments [Abstract] Financing Receivable, Nonaccrual, Interest Income Financing Receivable, Nonaccrual, Interest Income Revenue from Contract with Customer, Including Assessed Tax Revenue from Contract with Customer, Including Assessed Tax Comprehensive income (loss): Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss Debt Securities, Available-for-Sale, Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss Funding agreements with fixed maturities Investment Contract, with a Fixed Maturity [Member] Investment Contract, with a Fixed Maturity [Member] Entity Address, City or Town Entity Address, City or Town Net amortization of DAC and VOBA Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Amortization Premiums Receivable, Direct Premiums Receivable, Direct Premiums Receivable, Direct Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Federal Home Loan Bank Branch [Axis] Federal Home Loan Bank Branch [Axis] Other than Securities Investment Other than Securities Investment [Member] Reinsurance Recoverables, Including Reinsurance Premium Paid, Ceded Reinsurance Recoverables, Including Reinsurance Premium Paid, Ceded Reinsurance Recoverables, Including Reinsurance Premium Paid, Ceded Level 2 Fair Value, Inputs, Level 2 [Member] Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax Greater than 90 Days Past Due Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Other Expenses Other Expenses Ceded Insurance Commissions And Fees Ceded Insurance Commissions And Fees Ceded Insurance Commissions And Fees Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Adjustments to Additional Paid in Capital, Other Adjustments to Additional Paid in Capital, Other Securities collateral netting, Assets Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Security Not Offset Mortgage Loans by Geographic Location of Collateral Mortgage Loans by Geographic Location of Collateral [Table Text Block] Mortgage Loans by Geographic Location of Collateral [Table Text Block] us-gaap_OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings Other-Than-Temporary-Impairment-Loss-DebtSecuritiesAvailableForSaleRecognizedInEarnings1 OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings1 Fee income Insurance Commissions and Fees Less: investment expense Investment Income, Investment Expense Schedule of Investment Income, Reported Amounts, by Category [Table] Investment Income [Table] Premium Receivable, Credit Loss Expense (Reversal) Premium Receivable, Credit Loss Expense (Reversal) Adoption of New Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Other Comprehensive Income (Loss), before Tax [Abstract] Other Comprehensive Income (Loss), before Tax [Abstract] Fair value of loaned securities Securities Loaned, Fair Value of Collateral Line of Credit, Maximum Borrowing Limit, Percentage Line of Credit, Maximum Borrowing Limit, Percentage Line of Credit, Maximum Borrowing Limit, Percentage Related Party [Axis] Related and Nonrelated Parties [Axis] Exchange Cleared Exchange Cleared [Member] Loans Receivable, Loan to Value Ratio, Maximum Loans Receivable, Loan to Value Ratio, Maximum Loans Receivable, Loan to Value Ratio, Maximum Loans Receivable, Debt Service Coverage Ratio, Maximum Loans Receivable, Debt Service Coverage Ratio, Maximum Loans Receivable, Debt Service Coverage Ratio, Maximum Other Comprehensive Income (Loss), before Tax Other Comprehensive Income (Loss), before Tax Other Comprehensive Income (Loss), before Tax Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Document Period End Date Document Period End Date Middle Atlantic Middle Atlantic [Member] Middle Atlantic [Member] Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Cash collateral netting, Assets Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Debt Securities, Available-for-Sale, Realized Loss Debt Securities, Available-for-Sale, Realized Loss Low range [Domain] Low range [Domain] Low range [Domain] OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax Position [Axis] Position [Axis] Addition type [Axis] Addition type [Axis] Addition type Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Mortgage loans on real estate Payments to Acquire Mortgage Notes Receivable Mortgage loans on real estate Mortgages [Member] Mortgages [Member] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Ceded Premiums Payable Ceded Premiums Payable After five years through ten years, Amortized Cost Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Amortized Cost Adjustments for amounts recognized in Net gains (losses) in the Condensed Consolidated Statements of Operations Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax Document Fiscal Period Focus Document Fiscal Period Focus Securities collateral netting, Liabilities Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Security Not Offset Reinsurance Liabilities, Direct Reinsurance Liabilities, Direct Reinsurance Liabilities, Direct Total liabilities Total liabilities Liabilities Debt Securities, Available-for-Sale, Excluding Accrued Interest Debt Securities, Available-for-Sale, Excluding Accrued Interest Debt Securities, Available-for-Sale, Excluding Accrued Interest Geographical [Domain] Geographical [Domain] Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Payables under securities loan agreements Payables Under Securities Loan Agreements [Member] Payables Under Securities Loan Agreements [Member] Available-for-sale Securities, Pledged as Collateral, Debt Securities, Amortized Cost Available-for-sale Securities, Pledged as Collateral, Debt Securities, Amortized Cost This item represents the cost of debt and equity securities pledged as collateral, which are categorized neither as held-to-maturity nor trading, net of adjustments made for accretion, amortization, other-than-temporary impairments, and hedging, if any. Greater than 1.5x Loans Receivable, Debt Service Coverage Ratio, Range One [Member] Loans Receivable, Debt Service Coverage Ratio, Range One [Member] Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Net transfers (from) to the general account Net transfers (from) to the general account Net transfers (from) to the general account Voya Financial, Inc. Voya Financial, Inc. [Member] Voya Financial, Inc. [Member] Total Realized/Unrealized Gains (Losses) Included in OCI Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Schedule of Loans by Debt Service Coverage Ratio [Table] Schedule of Loans by Debt Service Coverage Ratio [Table] Schedule of Loans by Debt Service Coverage Ratio [Table] Transaction Type [Domain] Transaction [Domain] Fixed maturities Payments to Acquire Debt Securities, Available-for-Sale Schedule of Restricted Assets Restrictions on Cash and Cash Equivalents [Table Text Block] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Reclassification from AOCI, Current Period, before Tax, Attributable to Parent Reclassification from AOCI, Current Period, before Tax, Attributable to Parent Financing Receivable, after Allowance for Credit Loss, Current Financing Receivable, after Allowance for Credit Loss, Current OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment, Tax OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment, Tax Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, after Tax OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Amount of purchase commitment Long-Term Purchase Commitment, Amount Derivatives Not Designated as Hedging Instruments Derivatives Not Designated as Hedging Instruments [Table Text Block] Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Debt Securities Debt Securities [Member] Credit Facility [Domain] Credit Facility [Domain] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Deferred income tax asset(2) Accumulated Other Comprehensive Income (Loss), Tax Expense (Benefit) Accumulated Other Comprehensive Income (Loss), Tax Expense (Benefit) Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Related Party Transaction [Line Items] Related Party Transaction [Line Items] Derivatives Derivatives, Policy [Policy Text Block] Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Dividends Dividends Net Investment Income Investment Income [Table Text Block] Offsetting Assets and liabilities [Line Items] Offsetting Assets and Liabilities [Line Items] [Line Items] for Offsetting Assets and Liabilities [Table] U.S. Treasuries US Treasury Securities [Member] Entities [Table] Entities [Table] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0001 to 0100 Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0001 to 0100 [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0001 to 0100 Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 [Member] Derivatives, Liability Fair Value Derivative Liability, Subject to Master Netting Arrangement, before Offset Funding agreements without fixed maturities and deferred annuities Investment Contract, without a Fixed Maturity [Member] Investment Contract, without a Fixed Maturity [Member] Revenue from Contract with Customer [Abstract] Other Receivables Other Receivables Accrued investment income Accrued Investment Income Receivable Without single maturity date, Amortized Cost Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost Asset-Backed Securities, Securitized Loans and Receivables Asset-Backed Securities, Securitized Loans and Receivables [Member] Change in unrealized gains (losses) on available-for-sale securities Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, before Tax, Portion Attributable to Parent Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI Level 1 Fair Value, Inputs, Level 1 [Member] After ten years, Fair Value Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value Effective tax rate Effective Income Tax Rate Reconciliation, Percent Separate Account, Liability, Premium and Deposit Separate Account, Liability, Premium and Deposit Stabilizer and MCGs Stabilizer and MCGs [Member] Stabilizer and MCGs Collateral [Domain] Collateral Held [Domain] Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge Allowance for Credit Loss, Receivable, Other, Current Allowance for Credit Loss, Receivable, Other, Current Total restricted assets Restricted Investments Residential mortgage-backed Residential Mortgage-Backed Securities [Member] Embedded derivatives within reinsurance Embedded Derivative Financial Instruments [Member] Policyholder Benefits and Claims Incurred, Ceded Policyholder Benefits and Claims Incurred, Ceded Other Affiliates Other Affiliates [Member] 0% - 50% Loans Receivable, Loan to Value Ratio, Range One [Member] Loans Receivable, Loan to Value Ratio, Range One [Member] Federal Home Loan Bank Branch [Domain] Federal Home Loan Bank Branch [Domain] Cash collateral held for securities loan agreement Collateralized Financings Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Domain] Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Maturities and withdrawals from investment contracts Withdrawal from Contract Holders Funds Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Pension and other postretirement benefits liability, net of tax Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax Deferrals of commissions and expenses Deferred Policy Acquisition Cost, Capitalization Deferred Policy Acquisition Cost and Value of Businesses Acquired Rollforward [Line Items] Deferred Policy Acquisition Cost and Value of Businesses Acquired Rollforward [Line Items] Deferred Policy Acquisition Cost and Value of Businesses Acquired Rollforward [Line Items] Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments Minimum Minimum [Member] Investment Type [Axis] Investment Type [Axis] Present Value of Future Insurance Profits, Amortization Expense Present Value of Future Insurance Profits, Amortization Expense New England New England [Member] New England [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table Text Block] Available-for-sale Securities, Less Securities Pledged, Debt Securities, Unrecognized Holding Loss Available-for-sale Securities, Less Securities Pledged, Debt Securities, Unrecognized Holding Loss Available-for-sale Securities, Less Securities Pledged, Debt Securities, Unrecognized Holding Loss Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Policyholder Account Balance, Premium Received Policyholder Account Balance, Premium Received Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Derivatives Other derivatives Derivative [Member] Issuances Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances Guaranteed Insurance Benefit Type [Domain] Guaranteed Insurance Contract, Type of Benefit [Domain] Other liabilities Other Liabilities Affiliated Entity Affiliated Entity [Member] Fixed maturities, at fair value using the fair value option Available-for-sale Securities, Debt Securities, using Fair Value Option Available-for-sale Securities, Debt Securities, using Fair Value Option Apartments Apartment Building [Member] Other Income and Expenses [Abstract] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Common Stock, Shares Authorized Common Stock, Shares Authorized Embedded Derivatives Embedded Derivative, Fair Value of Embedded Derivative Asset Limited partnerships/corporations Proceeds from Limited Partnership Investments Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Debt Securities, Available-for-Sale, Realized Gain Debt Securities, Available-for-Sale, Realized Gain Mortgage Loans by Loan to Value Ratio Mortgage Loans by Loan to Value Ratio [Table Text Block] Mortgage Loans by Loan to Value Ratio Related Party Transaction [Axis] Related Party Transaction [Axis] Assets measured on recurring basis Fair Value, Recurring [Member] Document Quarterly Report Document Quarterly Report Debt Service Coverage Ratio Range [Domain] Debt Service Coverage Ratio Range [Domain] Debt Service Coverage Ratio Range [Domain] Segments [Domain] Segments [Domain] State, municipalities and political subdivisions US States and Political Subdivisions Debt Securities [Member] Lender Name [Axis] Lender Name [Axis] Securities Owned and Pledged as Collateral Securities Owned and Pledged as Collateral Securities Owned and Pledged as Collateral Accounts Receivable, after Allowance for Credit Loss Accounts Receivable, after Allowance for Credit Loss Fixed maturities Proceeds from Sale of Debt Securities, Available-for-Sale Reinsurance Liabilities Reinsurance Liabilities Reinsurance Liabilities Financing Agreements Debt Disclosure [Text Block] Available-for-sale, Debt Securities, Excluding Securities Valued at Fair Value Option Available-for-sale, Debt Securities, Excluding Securities Valued at Fair Value Option Available-for-sale, Debt Securities, Excluding Securities Valued at Fair Value Option Fixed Maturities Marketable Securities [Table Text Block] Total Shareholder's Equity Equity Component [Domain] Deferred Policy Acquisition Cost Deferred Policy Acquisition Cost Total Realized/Unrealized Gains (Losses) Included in Net Income Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Loans Loans Receivable, Fair Value Disclosure Total Realized/Unrealized Gains (Losses) Included in Net Income Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings Foreign exchange contracts Foreign Exchange Contract [Member] Benefits and expenses: Benefits, Losses and Expenses [Abstract] High range [Axis] High range [Axis] High range Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Domain] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Domain] Allowance for Credit Losses [Line Items] Allowance for Credit Losses [Line Items] [Line Items] for Allowance for Credit Losses [Table] Counterparty Name [Domain] Counterparty Name [Domain] Total shareholder's equity Beginning Balance Ending Balance Equity, Attributable to Parent Real Estate, Property Type [Domain] Real Estate [Domain] Policyholder Benefits and Claims Incurred, Assumed Policyholder Benefits and Claims Incurred, Assumed Equity Securities, FV-NI, Current Equity Securities, FV-NI, Current Assets Assets [Abstract] Separate Account, Liability, Surrender and Withdrawal Separate Account, Liability, Surrender and Withdrawal Other Liabilities Disclosure [Abstract] Other investments Other Investments Accounting Policies [Abstract] Accounting Policies [Abstract] Open Option Contracts Written [Line Items] Open Option Contract [Line Items] FABNTrustMember FABNTrustMember [Member] FABNTrustMember Interest Income, Operating Interest Income, Operating Policyholder Account Balance, Surrender and Withdrawal Policyholder Account Balance, Surrender and Withdrawal Total fixed maturities, less securities pledged, Gross Unrealized Capital Gains Available-for-sale Securities, Less Securities Pledged, Debt Securities, Unrecognized Holding Gain Available-for-sale Securities, Less Securities Pledged, Debt Securities, Unrecognized Holding Gain Other, net Proceeds from (Payment for) Other Financing Activity Commercial Portfolio Segment Commercial Portfolio Segment [Member] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0101 to 0150 Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0101 to 0150 [Member] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0101 to 0150 Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Financial Asset, Aging [Domain] Financial Asset, Aging [Domain] Available-for-sale securities, Income Tax: OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax [Abstract] Policyholder Account Balance, Policy Charge Policyholder Account Balance, Policy Charge Entity Central Index Key Entity Central Index Key Available-for-sale Securities Including Securities Pledged [Line Items] Available-for-sale Securities, Including Securities Pledged [Line Items] Available-for-sale Securities, Including Securities Pledged [Line Items] Policyholder Account Balance, Weighted Average Crediting Rate Policyholder Account Balance, Weighted Average Crediting Rate Underlying Asset Class [Axis] Underlying Asset Class [Axis] Additional paid-in capital Additional Paid in Capital, Common Stock Equity [Abstract] Equity [Abstract] Over the Counter Over-the-Counter [Member] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 [Member] Separate Account, Liability, Policy Charge Separate Account, Liability, Policy Charge Securities received as collateral Securities Received as Collateral Income Statement [Abstract] Income Statement [Abstract] Shareholder's equity: Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Embedded derivatives within fixed maturities Fixed maturities Fixed Maturities [Member] Deferred Income Tax Assets, Net Deferred Income Tax Assets, Net Offsetting Assets and Liabilities [Table] Offsetting Assets and Liabilities [Table] Offsetting Assets and Liabilities [Table] Reinsurance Recoverables, Including Reinsurance Premium Paid, Total Reinsurance Recoverables, Including Reinsurance Premium Paid Liabilities related to separate accounts Separate Account, Liability City Area Code City Area Code Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Hedged Asset, Fair Value Hedge Hedged Asset, Fair Value Hedge Other Other Property [Member] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Realized Gain (Loss) on Investments Realized Gain (Loss) on Investments [Table Text Block] Debt Securities, Available-for-Sale, Restricted Securities pledged Debt Securities, Available-for-Sale, Restricted Purchase of limited partnerships and private placement investments Investment Purchase Commitment [Member] Investment Purchase Commitment [Member] Deferred Variable Annuity Deferred Variable Annuity [Member] Statement [Line Items] Statement [Line Items] Total assets Total assets Assets Entity [Domain] Entity [Domain] Premiums Receivable And Reinsurance Recoverables, Including Reinsurance Premium Paid, Ceded Premiums Receivable And Reinsurance Recoverables, Including Reinsurance Premium Paid, Ceded Premiums Receivable And Reinsurance Recoverables, Including Reinsurance Premium Paid, Ceded Net investment income Investment Income, Net Policyholder Account Balance [Table] Policyholder Account Balance [Table] Investment Holdings [Table] Financing Receivable, Credit Quality Indicator [Table] Adjustments for amounts recognized in Net gains (losses) in the Condensed Consolidated Statements of Operations Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Reductions for securities sold during the period Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Sold Policyholder Account Balance, Guaranteed Minimum Credit Rating Policyholder Account Balance, Guaranteed Minimum Credit Rating Fixed maturities, Gross Unrealized Capital Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Short-term investments, net Payments for (Proceeds from) Short-Term Investments Long-term Purchase Commitment, Category of Item Purchased [Domain] Long-Term Purchase Commitment, Category of Item Purchased [Domain] Other Comprehensive Income (Loss), before Reclassifications, before Tax Other Comprehensive Income (Loss), before Reclassifications, before Tax Without single maturity date, Fair Value Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value Securities pledged, Gross Unrealized Capital Gains Available-for-sale Securities, Pledged as Collateral, Debt Securities, Unrecognized Holding Gain Available-for-sale Securities, Pledged as Collateral, Debt Securities, Unrecognized Holding Gain Interest credited and other benefits to contract owners/policyholders Interest Credited and Other Policyholder Benefits Represents the aggregate of interest allocated to policyholders, under a contract for providing a guaranteed yield and provision for benefits, claims and claims settlement expenses incurred during the period. 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Minimum Loans Receivable, Loan to Value Ratio, Minimum Loans Receivable, Loan to Value Ratio, Minimum Limited partnerships/corporations Payments to Acquire Limited Partnership Interests Loans Receivable, Debt Service Coverage Ratio, Minimum Loans Receivable, Debt Service Coverage Ratio, Minimum Loans Receivable, Debt Service Coverage Ratio, Minimum Income Taxes Income Tax Disclosure [Text Block] Other Segments Other Operating Segment [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] Proceeds from Sale of Equity Securities, FV-NI Proceeds from Sale of Equity Securities, FV-NI Short-term investments under securities loan agreements, including collateral delivered Securities Purchased under Agreements to Resell Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax Additional Paid-In Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Debt Securities, Available-for-sale, Unrealized Loss Position Debt Securities, Available-for-Sale, Unrealized Loss Position Payables under securities loan and repurchase agreements, including collateral held Obligation to Return Securities Received as Collateral Offsetting Liabilities Offsetting Liabilities [Table Text Block] Schedule of Loans by Loan to Value Ratio [Table] Schedule of Loans by Loan to Value Ratio [Table] Schedule of Loans by Loan to Value Ratio [Table] One year or less, Amortized Cost Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost Pacific Destination Pacific Destination [Member] Cash and cash equivalents Cash and Cash Equivalent Acquisition of: Payments to Acquire Investments [Abstract] Position [Domain] Position [Domain] Separate Account, Liability, Increase (Decrease) from Invested Performance Separate Account, Liability, Increase (Decrease) from Invested Performance Closed Block Liabilities, Future Policy Benefits and Policyholder Account Balances, Direct Closed Block Liabilities, Future Policy Benefits and Policyholder Account Balances, Direct Closed Block Liabilities, Future Policy Benefits and Policyholder Account Balances, Direct Deposits received for investment contracts Additions to Contract Holders Funds Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] Transactions [Domain] Transactions [Domain] Transactions [Domain] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Premiums Receivable And Reinsurance Recoverables, Including Reinsurance Premium Paid, Assumed Premiums Receivable And Reinsurance Recoverables, Including Reinsurance Premium Paid, Assumed Premiums Receivable And Reinsurance Recoverables, Including Reinsurance Premium Paid, Assumed Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Separate Account, Cash and Cash Equivalents Separate Account, Cash and Cash Equivalents [Member] Premiums Premiums Earned, Net [Abstract] Gain (Loss) on Securities Gain (Loss) on Securities [Table Text Block] Change in Unrealized Gains (Losses) Included in Earnings Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) Acquisition of mortgage loans Loan Purchase Commitments [Member] Allowance for Loan and Lease Losses [Roll Forward] Allowance for Loan and Lease Losses [Roll Forward] Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Gross investment income Gross Investment Income, Operating Dividends paid and contributions of capital, net Payments of Distributions to Affiliates Deferrals of commissions and expenses Present Value of Future Insurance Profits, Addition from Acquisition Derivatives Derivatives liabilities Derivative Liability Credit Risk Contract Credit Risk Contract [Member] Entity Address, Address Line One Entity Address, Address Line One Benefits, Losses and Expenses Total benefits and expenses Benefits, Losses and Expenses Non-putable funding agreements issued to FHLB Line of Credit Facility, Fair Value of Amount Outstanding Debt Security, Corporate, US Debt Security, Corporate, US [Member] Income tax expense (benefit) Income Tax Expense (Benefit) Gain (Loss) on Fair Value Hedges Recognized in Earnings Gain (Loss) on Fair Value Hedges Recognized in Earnings Deferred Policy Acquisition Costs and Value of Business Acquired Deferred Policy Acquisition Costs and Value of Business Acquired [Table Text Block] Deferred Policy Acquisition Costs and Value of Business Acquired [Table Text Block] Fair Value Hedging [Member] Fair Value Hedging [Member] Total Fee income and Other revenue Total Fee income and Other revenue Total Fee income and Other revenue Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Write-offs Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Net Income (Loss) Attributable to Parent, Total Net Income (Loss) Net Income (Loss) Attributable to Parent Statement [Table] Statement [Table] Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Policy loans Loans, Gross, Insurance Policy East North Central East North Central [Member] East North Central [Member] Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Reinsurance Liabilities, Assumed Reinsurance Liabilities, Assumed Reinsurance Liabilities, Assumed Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) Derivatives, Asset Fair Value Derivative Asset, Subject to Master Netting Arrangement, before Offset Assumed Insurance Commissions and Fees Assumed Insurance Commissions and Fees Assumed Insurance Commissions and Fees Issues Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Issues Revenues: Revenues [Abstract] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs Category of Item Purchased [Axis] Category of Item Purchased [Axis] Closed Block Liabilities, Future Policy Benefits and Policyholder Account Balances Closed Block Liabilities, Future Policy Benefits and Policyholder Account Balances Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]