2.4.0.6 Html 551 637 1 true 130 0 false 8 false false R1.htm 0000 - Document - Document and Entity Information Sheet http://www.greatwest.com/role/DocumentAndEntityInformation Document and Entity Information true false R2.htm 0010 - Statement - Consolidated Balance Sheets Sheet http://www.greatwest.com/role/BalanceSheet Consolidated Balance Sheets false false R3.htm 0015 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.greatwest.com/role/BalanceSheetParenthetical Consolidated Balance Sheets (Parenthetical) false false R4.htm 0020 - Statement - Consolidated Statements of Income Sheet http://www.greatwest.com/role/StatementOfIncome Consolidated Statements of Income false false R5.htm 0025 - Statement - Consolidated Statements of Income (Parenthetical) Sheet http://www.greatwest.com/role/StatementOfIncomeParenthetical Consolidated Statements of Income (Parenthetical) false false R6.htm 0030 - Statement - Consolidated Statements of Comprehensive Income Sheet http://www.greatwest.com/role/StatementOfComprehensiveIncome Consolidated Statements of Comprehensive Income false false R7.htm 0035 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical) Sheet http://www.greatwest.com/role/StatementOfComprehensiveIncomeParenthetical Consolidated Statements of Comprehensive Income (Parenthetical) false false R8.htm 0040 - Statement - Consolidated Statements of Stockholder's Equity Sheet http://www.greatwest.com/role/StatementOfStockholdersEquity Consolidated Statements of Stockholder's Equity false false R9.htm 0050 - Statement - Consolidated Statements of Cash Flows Sheet http://www.greatwest.com/role/CashFlows Consolidated Statements of Cash Flows false false R10.htm 1010 - Disclosure - Organization and Significant Accounting Policies Sheet http://www.greatwest.com/role/DisclosureOrganizationAndSignificantAccountingPolicies Organization and Significant Accounting Policies false false R11.htm 1020 - Disclosure - Application of Recent Accounting Pronouncements Sheet http://www.greatwest.com/role/DisclosureApplicationOfRecentAccountingPronouncements Application of Recent Accounting Pronouncements false false R12.htm 1030 - Disclosure - Related Party Transactions Sheet http://www.greatwest.com/role/DisclosureRelatedPartyTransactions Related Party Transactions false false R13.htm 1040 - Disclosure - Summary of Investments Sheet http://www.greatwest.com/role/DisclosureSummaryOfInvestments Summary of Investments false false R14.htm 1050 - Disclosure - Derivative Financial Instruments Sheet http://www.greatwest.com/role/DisclosureDerivativeFinancialInstruments Derivative Financial Instruments false false R15.htm 1060 - Disclosure - Fair Value Measurements Sheet http://www.greatwest.com/role/DisclosureFairValueMeasurements Fair Value Measurements false false R16.htm 1070 - Disclosure - Reinsurance Sheet http://www.greatwest.com/role/DisclosureReinsurance Reinsurance false false R17.htm 1080 - Disclosure - Deferred Acquisition Costs and Value of Business Acquired Sheet http://www.greatwest.com/role/DisclosureDeferredAcquisitionCostsAndValueOfBusinessAcquired Deferred Acquisition Costs and Value of Business Acquired false false R18.htm 1090 - Disclosure - Goodwill and Other Intangible Assets Sheet http://www.greatwest.com/role/DisclosureGoodwillAndOtherIntangibleAssets Goodwill and Other Intangible Assets false false R19.htm 1100 - Disclosure - Commercial Paper Sheet http://www.greatwest.com/role/DisclosureCommercialPaper Commercial Paper false false R20.htm 1110 - Disclosure - Stockholder's Equity and Dividend Restrictions Sheet http://www.greatwest.com/role/DisclosureStockholdersEquityAndDividendRestrictions Stockholder's Equity and Dividend Restrictions false false R21.htm 1120 - Disclosure - Other Comprehensive Income Sheet http://www.greatwest.com/role/DisclosureOtherComprehensiveIncome Other Comprehensive Income false false R22.htm 1130 - Disclosure - General Insurance Expenses Sheet http://www.greatwest.com/role/DisclosureGeneralInsuranceExpenses General Insurance Expenses false false R23.htm 1140 - Disclosure - Employee Benefit Plans Sheet http://www.greatwest.com/role/DisclosureEmployeeBenefitPlans Employee Benefit Plans false false R24.htm 1150 - Disclosure - Income Taxes Sheet http://www.greatwest.com/role/DisclosureIncomeTaxes Income Taxes false false R25.htm 1160 - Disclosure - Segment Information Sheet http://www.greatwest.com/role/DisclosureSegmentInformation Segment Information false false R26.htm 1170 - Disclosure - Share-Based Compensation Sheet http://www.greatwest.com/role/DisclosureShareBasedCompensation Share-Based Compensation false false R27.htm 1180 - Disclosure - Commitments and Contingencies Sheet http://www.greatwest.com/role/DisclosureCommitmentsAndContingencies Commitments and Contingencies false false R28.htm 1190 - Disclosure - Subsequent Event Sheet http://www.greatwest.com/role/DisclosureSubsequentEvent Subsequent Event false false R29.htm 1200 - Disclosure - Schedule III Supplemental Insurance Information Sheet http://www.greatwest.com/role/DisclosureScheduleIIISupplementalInsuranceInformation Schedule III Supplemental Insurance Information false false R30.htm 2010 - Disclosure - Organization and Significant Accounting Policies (Policies) Sheet http://www.greatwest.com/role/DisclosureOrganizationAndSignificantAccountingPoliciesPolicies Organization and Significant Accounting Policies (Policies) false false R31.htm 3010 - Disclosure - Organization and Significant Accounting Policies (Tables) Sheet http://www.greatwest.com/role/DisclosureOrganizationAndSignificantAccountingPoliciesTables Organization and Significant Accounting Policies (Tables) false false R32.htm 3030 - Disclosure - Related Party Transactions (Tables) Sheet http://www.greatwest.com/role/DisclosureRelatedPartyTransactionsTables Related Party Transactions (Tables) false false R33.htm 3040 - Disclosure - Summary of Investments (Tables) Sheet http://www.greatwest.com/role/DisclosureSummaryOfInvestmentsTables Summary of Investments (Tables) false false R34.htm 3050 - Disclosure - Derivative Financial Instruments (Tables) Sheet http://www.greatwest.com/role/DisclosureDerivativeFinancialInstrumentsTables Derivative Financial Instruments (Tables) false false R35.htm 3060 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.greatwest.com/role/DisclosureFairValueMeasurementsTables Fair Value Measurements (Tables) false false R36.htm 3070 - Disclosure - Reinsurance (Tables) Sheet http://www.greatwest.com/role/DisclosureReinsuranceTables Reinsurance (Tables) false false R37.htm 3080 - Disclosure - Deferred Acquisition Costs and Value of Business Acquired (Tables) Sheet http://www.greatwest.com/role/DisclosureDeferredAcquisitionCostsAndValueOfBusinessAcquiredTables Deferred Acquisition Costs and Value of Business Acquired (Tables) false false R38.htm 3090 - Disclosure - Goodwill and Other Intangible Assets (Tables) Sheet http://www.greatwest.com/role/DisclosureGoodwillAndOtherIntangibleAssetsTables Goodwill and Other Intangible Assets (Tables) false false R39.htm 3100 - Disclosure - Commercial Paper (Tables) Sheet http://www.greatwest.com/role/DisclosureCommercialPaperTables Commercial Paper (Tables) false false R40.htm 3110 - Disclosure - Stockholder's Equity and Dividend Restrictions (Tables) Sheet http://www.greatwest.com/role/DisclosureStockholdersEquityAndDividendRestrictionsTables Stockholder's Equity and Dividend Restrictions (Tables) false false R41.htm 3120 - Disclosure - Other Comprehensive Income (Tables) Sheet http://www.greatwest.com/role/DisclosureOtherComprehensiveIncomeTables Other Comprehensive Income (Tables) false false R42.htm 3130 - Disclosure - General Insurance Expenses (Tables) Sheet http://www.greatwest.com/role/DisclosureGeneralInsuranceExpensesTables General Insurance Expenses (Tables) false false R43.htm 3140 - Disclosure - Employee Benefit Plans (Tables) Sheet http://www.greatwest.com/role/DisclosureEmployeeBenefitPlansTables Employee Benefit Plans (Tables) false false R44.htm 3150 - Disclosure - Income Taxes (Tables) Sheet http://www.greatwest.com/role/DisclosureIncomeTaxesTables Income Taxes (Tables) false false R45.htm 3160 - Disclosure - Segment Information (Tables) Sheet http://www.greatwest.com/role/DisclosureSegmentInformationTables Segment Information (Tables) false false R46.htm 3170 - Disclosure - Share-Based Compensation (Tables) Sheet http://www.greatwest.com/role/DisclosureShareBasedCompensationTables Share-Based Compensation (Tables) false false R47.htm 3180 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.greatwest.com/role/DisclosureCommitmentsAndContingenciesTables Commitments and Contingencies (Tables) false false R48.htm 4010 - Disclosure - Organization and Significant Accounting Policies (Details) Sheet http://www.greatwest.com/role/DisclosureOrganizationAndSignificantAccountingPoliciesDetails Organization and Significant Accounting Policies (Details) false false R49.htm 4011 - Disclosure - Organization and Significant Accounting Policies (Details 2) Sheet http://www.greatwest.com/role/DisclosureOrganizationAndSignificantAccountingPoliciesDetails2 Organization and Significant Accounting Policies (Details 2) false false R50.htm 4030 - Disclosure - Related Party Transactions (Details) Sheet http://www.greatwest.com/role/DisclosureRelatedPartyTransactionsDetails Related Party Transactions (Details) false false R51.htm 4031 - Disclosure - Related Party Transactions (Details 2) Sheet http://www.greatwest.com/role/DisclosureRelatedPartyTransactionsDetails2 Related Party Transactions (Details 2) false false R52.htm 4040 - Disclosure - Summary of Investments (Details) Sheet http://www.greatwest.com/role/DisclosureSummaryOfInvestmentsDetails Summary of Investments (Details) false false R53.htm 4041 - Disclosure - Summary of Investments (Details 2) Sheet http://www.greatwest.com/role/DisclosureSummaryOfInvestmentsDetails2 Summary of Investments (Details 2) false false R54.htm 4042 - Disclosure - Summary of Investments (Details 3) Sheet http://www.greatwest.com/role/DisclosureSummaryOfInvestmentsDetails3 Summary of Investments (Details 3) false false R55.htm 4043 - Disclosure - Summary of Investments (Details 4) Sheet http://www.greatwest.com/role/DisclosureSummaryOfInvestmentsDetails4 Summary of Investments (Details 4) false false R56.htm 4044 - Disclosure - Summary of Investments (Details 5) Sheet http://www.greatwest.com/role/DisclosureSummaryOfInvestmentsDetails5 Summary of Investments (Details 5) false false R57.htm 4045 - Disclosure - Summary of Investments (Details 6) Sheet http://www.greatwest.com/role/DisclosureSummaryOfInvestmentsDetails6 Summary of Investments (Details 6) false false R58.htm 4046 - Disclosure - Summary of Investments (Details 7) Sheet http://www.greatwest.com/role/DisclosureSummaryOfInvestmentsDetails7 Summary of Investments (Details 7) false false R59.htm 4047 - Disclosure - Summary of Investments (Details 8) Sheet http://www.greatwest.com/role/DisclosureSummaryOfInvestmentsDetails8 Summary of Investments (Details 8) false false R60.htm 4050 - Disclosure - Derivative Financial Instruments (Details) Sheet http://www.greatwest.com/role/DisclosureDerivativeFinancialInstrumentsDetails Derivative Financial Instruments (Details) false false R61.htm 4051 - Disclosure - Derivative Financial Instruments (Details 2) Sheet http://www.greatwest.com/role/DisclosureDerivativeFinancialInstrumentsDetails2 Derivative Financial Instruments (Details 2) false false R62.htm 4060 - Disclosure - Fair Value Measurements (Details) Sheet http://www.greatwest.com/role/DisclosureFairValueMeasurementsDetails Fair Value Measurements (Details) false false R63.htm 4061 - Disclosure - Fair Value Measurements (Details 2) Sheet http://www.greatwest.com/role/DisclosureFairValueMeasurementsDetails2 Fair Value Measurements (Details 2) false false R64.htm 4062 - Disclosure - Fair Value Measurements (Details 3) Sheet http://www.greatwest.com/role/DisclosureFairValueMeasurementsDetails3 Fair Value Measurements (Details 3) false false R65.htm 4063 - Disclosure - Fair Value Measurements (Details 4) Sheet http://www.greatwest.com/role/DisclosureFairValueMeasurementsDetails4 Fair Value Measurements (Details 4) false false R66.htm 4064 - Disclosure - Fair Value Measurements (Details 5) Sheet http://www.greatwest.com/role/DisclosureFairValueMeasurementsDetails5 Fair Value Measurements (Details 5) false false R67.htm 4070 - Disclosure - Reinsurance (Details) Sheet http://www.greatwest.com/role/DisclosureReinsuranceDetails Reinsurance (Details) false false R68.htm 4080 - Disclosure - Deferred Acquisition Costs and Value of Business Acquired (Details) Sheet http://www.greatwest.com/role/DisclosureDeferredAcquisitionCostsAndValueOfBusinessAcquiredDetails Deferred Acquisition Costs and Value of Business Acquired (Details) false false R69.htm 4081 - Disclosure - Deferred Acquisition Costs and Value of Business Acquired (Details 2) Sheet http://www.greatwest.com/role/DisclosureDeferredAcquisitionCostsAndValueOfBusinessAcquiredDetails2 Deferred Acquisition Costs and Value of Business Acquired (Details 2) false false R70.htm 4090 - Disclosure - Goodwill and Other Intangible Assets (Details) Sheet http://www.greatwest.com/role/DisclosureGoodwillAndOtherIntangibleAssetsDetails Goodwill and Other Intangible Assets (Details) false false R71.htm 4091 - Disclosure - Goodwill and Other Intangible Assets (Details 2) Sheet http://www.greatwest.com/role/DisclosureGoodwillAndOtherIntangibleAssetsDetails2 Goodwill and Other Intangible Assets (Details 2) false false R72.htm 4100 - Disclosure - Commercial Paper (Details) Sheet http://www.greatwest.com/role/DisclosureCommercialPaperDetails Commercial Paper (Details) false false R73.htm 4110 - Disclosure - Stockholder's Equity and Dividend Restrictions (Details) Sheet http://www.greatwest.com/role/DisclosureStockholdersEquityAndDividendRestrictionsDetails Stockholder's Equity and Dividend Restrictions (Details) false false R74.htm 4120 - Disclosure - Other Comprehensive Income (Details) Sheet http://www.greatwest.com/role/DisclosureOtherComprehensiveIncomeDetails Other Comprehensive Income (Details) false false R75.htm 4130 - Disclosure - General Insurance Expenses (Details) Sheet http://www.greatwest.com/role/DisclosureGeneralInsuranceExpensesDetails General Insurance Expenses (Details) false false R76.htm 4140 - Disclosure - Employee Benefit Plans (Details) Sheet http://www.greatwest.com/role/DisclosureEmployeeBenefitPlansDetails Employee Benefit Plans (Details) false false R77.htm 4141 - Disclosure - Employee Benefit Plans (Details 2) Sheet http://www.greatwest.com/role/DisclosureEmployeeBenefitPlansDetails2 Employee Benefit Plans (Details 2) false false R78.htm 4142 - Disclosure - Employee Benefit Plans (Details 3) Sheet http://www.greatwest.com/role/DisclosureEmployeeBenefitPlansDetails3 Employee Benefit Plans (Details 3) false false R79.htm 4143 - Disclosure - Employee Benefit Plans (Details 4) Sheet http://www.greatwest.com/role/DisclosureEmployeeBenefitPlansDetails4 Employee Benefit Plans (Details 4) false false R80.htm 4144 - Disclosure - Employee Benefit Plans (Details 5) Sheet http://www.greatwest.com/role/DisclosureEmployeeBenefitPlansDetails5 Employee Benefit Plans (Details 5) false false R81.htm 4145 - Disclosure - Employee Benefit Plans (Details 6) Sheet http://www.greatwest.com/role/DisclosureEmployeeBenefitPlansDetails6 Employee Benefit Plans (Details 6) false false R82.htm 4150 - Disclosure - Income Taxes (Details) Sheet http://www.greatwest.com/role/DisclosureIncomeTaxesDetails Income Taxes (Details) false false R83.htm 4151 - Disclosure - Income Taxes (Details 2) Sheet http://www.greatwest.com/role/DisclosureIncomeTaxesDetails2 Income Taxes (Details 2) false false R84.htm 4152 - Disclosure - Income Taxes (Details 3) Sheet http://www.greatwest.com/role/DisclosureIncomeTaxesDetails3 Income Taxes (Details 3) false false R85.htm 4160 - Disclosure - Segment Information (Details) Sheet http://www.greatwest.com/role/DisclosureSegmentInformationDetails Segment Information (Details) false false R86.htm 4170 - Disclosure - Share-Based Compensation (Details) Sheet http://www.greatwest.com/role/DisclosureShareBasedCompensationDetails Share-Based Compensation (Details) false false R87.htm 4180 - Disclosure - Commitments and Contingencies (Details) Sheet http://www.greatwest.com/role/DisclosureCommitmentsAndContingenciesDetails Commitments and Contingencies (Details) false false R88.htm 4181 - Disclosure - Commitments and Contingencies (Details 2) Sheet http://www.greatwest.com/role/DisclosureCommitmentsAndContingenciesDetails2 Commitments and Contingencies (Details 2) false false R89.htm 4190 - Disclosure - Subsequent Event (Details) Sheet http://www.greatwest.com/role/DisclosureSubsequentEventDetails Subsequent Event (Details) false false R90.htm 4200 - Disclosure - Schedule III Supplemental Insurance Information (Details) Sheet http://www.greatwest.com/role/DisclosureScheduleIIISupplementalInsuranceInformationDetails Schedule III Supplemental Insurance Information (Details) false false All Reports Book All Reports Process Flow-Through: 0010 - Statement - Consolidated Balance Sheets Process Flow-Through: Removing column 'Dec. 31, 2010' Process Flow-Through: Removing column 'Dec. 31, 2009' Process Flow-Through: 0015 - Statement - Consolidated Balance Sheets (Parenthetical) Process Flow-Through: Removing column 'Dec. 31, 2010' Process Flow-Through: Removing column 'Dec. 31, 2009' Process Flow-Through: 0020 - Statement - Consolidated Statements of Income Process Flow-Through: 0025 - Statement - Consolidated Statements of Income (Parenthetical) Process Flow-Through: 0030 - Statement - Consolidated Statements of Comprehensive Income Process Flow-Through: 0035 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical) Process Flow-Through: 0050 - Statement - Consolidated Statements of Cash Flows gac-20121231.xml gac-20121231.xsd gac-20121231_cal.xml gac-20121231_def.xml gac-20121231_lab.xml gac-20121231_pre.xml true true