1-Year Segment Option [Member] 1-Year Segment Option 1-Year Segment Options [Member] 1-Year Segment Options Performance Lock Benefit [Member] Performance Lock Benefit S&P 500® (SPX), Market Index, 6-Year, Point-to-Point, 20% Buffer Rate, 12% Cap Rate [Member] S&P 500® (SPX), Market Index, 6-Year, Point-to-Point, 20% Buffer Rate, 12% Cap Rate 1-Year Segment Term Dual Trigger Crediting Method [Member] 1-Year Segment Term Dual Trigger Crediting Method Russell 2000 Price Return Index Risk [Member] Russell 2000 Price Return Index Risk Cybersecurity And Business Continuity Risk [Member] Cybersecurity And Business Continuity Risk Nasdaq-100® (NDX), Market Index, 6-Year, Point-to-Point, 10% Buffer Rate, 12% Cap Rate [Member] Nasdaq-100® (NDX), Market Index, 6-Year, Point-to-Point, 10% Buffer Rate, 12% Cap Rate S&P 500® (SPX), Market Index, 6-Year, Point-to-Point, 10% Buffer Rate, 12% Cap Rate [Member] S&P 500® (SPX), Market Index, 6-Year, Point-to-Point, 10% Buffer Rate, 12% Cap Rate Confinement Waiver Benefit [Member] Confinement Waiver Benefit Trigger Crediting Method [Member] Trigger Crediting Method Third Party Risk [Member] Third Party Risk S&P 500® (SPX), Market Index, 6-Year, Dual Trigger3, 10% Buffer Rate, 3% Trigger Rate [Member] S&P 500® (SPX), Market Index, 6-Year, Dual Trigger3, 10% Buffer Rate, 3% Trigger Rate S&P 500® (SPX), Market Index, 1-Year, Dual Trigger3, 10% Buffer Rate, 0.50% Trigger Rate [Member] S&P 500® (SPX), Market Index, 1-Year, Dual Trigger3, 10% Buffer Rate, 0.50% Trigger Rate 10 Percent Buffer Rate [Member] 10 Percent Buffer Rate S&P 500® ((SPX), Russell 2000® (RTY), MSCI EAFE (MXEA), Blended Market Index, 6-Year, Performance Blend, 10% Buffer Rate, 12% Cap Rate [Member] S&P 500® ((SPX), Russell 2000® (RTY), MSCI EAFE (MXEA), Blended Market Index, 6-Year, Performance Blend, 10% Buffer Rate, 12% Cap Rate Dual Trigger Crediting Method [Member] Dual Trigger Crediting Method Shiller Barclays CAPE US Mid-Month Sector TR Net Index [Member] Shiller Barclays CAPE US Mid-Month Sector TR Net Index S&P 500® (SPX), Market Index, 6-Year, Dual Trigger3, 20% Buffer Rate, 3% Trigger Rate [Member] S&P 500® (SPX), Market Index, 6-Year, Dual Trigger3, 20% Buffer Rate, 3% Trigger Rate 1-Year Segment Term Trigger Crediting Method [Member] 1-Year Segment Term Trigger Crediting Method S&P 500 Price Return Index Risk [Member] S&P 500 Price Return Index Risk Terminal Illness Waiver Benefit [Member] Terminal Illness Waiver Benefit Separate Account Risk [Member] Separate Account Risk Shiller Barclays CAPE US Mid-Month Sector TR Net Index Risk [Member] Shiller Barclays CAPE US Mid-Month Sector TR Net Index Risk Point-to-Point Crediting Method [Member] Point-to-Point Crediting Method Nasdaq-100 Price Return Index Risk [Member] Nasdaq-100 Price Return Index Risk Downside Participation Rate [Member] Downside Participation Rate No Ownership Of Underlying Securities Risk [Member] No Ownership Of Underlying Securities Risk S&P 500® (SPX), Market Index, 1-Year, Point-to-Point, 10% Buffer Rate, 2% Cap Rate [Member] S&P 500® (SPX), Market Index, 1-Year, Point-to-Point, 10% Buffer Rate, 2% Cap Rate Performance Blend Crediting Method [Member] Performance Blend Crediting Method S&P 500® (SPX), Market Index, 2-Year, Point-to-Point, 10% Buffer Rate, 4% Cap Rate [Member] S&P 500® (SPX), Market Index, 2-Year, Point-to-Point, 10% Buffer Rate, 4% Cap Rate Trigger Rate [Member] Trigger Rate Downside Participation Rate Return Limit [Member] Downside Participation Rate Return Limit AARe Reinsurance Arrangement Risk [Member] AARe Reinsurance Arrangement Risk S&P 500® (SPX), Market Index, 1-Year, Point-to-Point, 20% Buffer Rate, 2% Cap Rate [Member] S&P 500® (SPX), Market Index, 1-Year, Point-to-Point, 20% Buffer Rate, 2% Cap Rate 2-Year Segment Options [Member] 2-Year Segment Options Financial Services Company Liquidity And Regulatory Capital Risk [Member] Financial Services Company Liquidity And Regulatory Capital Risk Russell 2000 Price Return Index [Member] Russell 2000 Price Return Index S&P 500® (SPX), Market Index, 2-Year, Point-to-Point, 20% Buffer Rate, 4% Cap Rate [Member] S&P 500® (SPX), Market Index, 2-Year, Point-to-Point, 20% Buffer Rate, 4% Cap Rate 30 Percent Buffer Rate [Member] 30 Percent Buffer Rate Russell 2000® Index, Market Index, 2-Year, Point-to-Point, 10% Buffer Rate, 4% Cap Rate [Member] Russell 2000® Index, Market Index, 2-Year, Point-to-Point, 10% Buffer Rate, 4% Cap Rate Risks Associated With Performance Lock [Member] Risks Associated With Performance Lock Free Withdrawal Benefit [Member] Free Withdrawal Benefit Interim Value - Interest Adjustment [Member] Interim Value - Interest Adjustment S&P 500 Price Return Index [Member] S&P 500 Price Return Index S&P 500® (SPX), Market Index, 1-Year, Dual Trigger3, 20% Buffer Rate, 0.50% Trigger Rate [Member] S&P 500® (SPX), Market Index, 1-Year, Dual Trigger3, 20% Buffer Rate, 0.50% Trigger Rate S&P 500® (SPX), Market Index, 6-Year, Dual Direction3, 20% Buffer Rate, 12% Cap Rate [Member] S&P 500® (SPX), Market Index, 6-Year, Dual Direction3, 20% Buffer Rate, 12% Cap Rate Reliance On Rule 12h-7 Risk [Member] Reliance On Rule 12h-7 Risk Fixed Segment Option [Member] Fixed Segment Option Nasdaq-100 Price Return Index [Member] Nasdaq-100 Price Return Index Dual Direction Crediting Method [Member] Dual Direction Crediting Method Nasdaq-100® (NDX), Market Index, 1-Year, Point-to-Point, 10% Buffer Rate, 2% Cap Rate [Member] Nasdaq-100® (NDX), Market Index, 1-Year, Point-to-Point, 10% Buffer Rate, 2% Cap Rate Interim Value Adjustment [Member] Interim Value Adjustment C000258317 [Member] C000258317 Liquidity Risk [Member] Liquidity Risk S&P 500® (SPX), Market Index, 1-Year, Trigger3, 10% Buffer Rate, 1% Trigger Rate [Member] S&P 500® (SPX), Market Index, 1-Year, Trigger3, 10% Buffer Rate, 1% Trigger Rate Shiller Barclay’s CAPE® (BXIIMSTN)2, US Sector Large Cap ETFs, 1-Year, Point-to-Point, 10% Buffer Rate, 2% Cap Rate [Member] Shiller Barclay’s CAPE® (BXIIMSTN)2, US Sector Large Cap ETFs, 1-Year, Point-to-Point, 10% Buffer Rate, 2% Cap Rate Point-To-Point, Dual Direction, Milestone Lock, And Performance Blend Segments [Member] Point-To-Point, Dual Direction, Milestone Lock, And Performance Blend Segments 6-Year Segment Option [Member] 6-Year Segment Option Shiller Barclay’s CAPE® (BXIIMSTN)2, US Sector Large Cap ETFs, 6-Year, Point-to-Point, 10% Buffer Rate, 12% Cap Rate [Member] Shiller Barclay’s CAPE® (BXIIMSTN)2, US Sector Large Cap ETFs, 6-Year, Point-to-Point, 10% Buffer Rate, 12% Cap Rate Shiller Barclay’s CAPE® (BXIIMSTN)2, US Sector Large Cap ETFs, 2-Year, Point-to-Point, 10% Buffer Rate, 4% Cap Rate [Member] Shiller Barclay’s CAPE® (BXIIMSTN)2, US Sector Large Cap ETFs, 2-Year, Point-to-Point, 10% Buffer Rate, 4% Cap Rate Nasdaq-100® (NDX), Market Index, 2-Year, Point-to-Point, 10% Buffer Rate, 4% Cap Rate [Member] Nasdaq-100® (NDX), Market Index, 2-Year, Point-to-Point, 10% Buffer Rate, 4% Cap Rate S&P 500® (SPX), Market Index, 1-Year, Dual Direction3, 10% Buffer Rate, 2% Cap Rate [Member] S&P 500® (SPX), Market Index, 1-Year, Dual Direction3, 10% Buffer Rate, 2% Cap Rate Liquidity Regulatory Investigations Or Enforcement Actions Risk [Member] Liquidity Regulatory Investigations Or Enforcement Actions Risk Milestone Lock Crediting Method [Member] Milestone Lock Crediting Method MSCI EAFE Price Return Index Risk [Member] MSCI EAFE Price Return Index Risk Changes To Rates Risk [Member] Changes To Rates Risk 2-Year Segment Option [Member] 2-Year Segment Option Assumption And Estimate Risk [Member] Assumption And Estimate Risk S&P 500® (SPX), Market Index, 6-Year, Point-to-Point, 30% Buffer Rate3, 12% Cap Rate [Member] S&P 500® (SPX), Market Index, 6-Year, Point-to-Point, 30% Buffer Rate3, 12% Cap Rate Trigger Rate Return Limit [Member] Trigger Rate Return Limit MSCI EAFE (MXEA), Market Index, 2-Year, Point-to-Point, 10% Buffer Rate, 4% Cap Rate [Member] MSCI EAFE (MXEA), Market Index, 2-Year, Point-to-Point, 10% Buffer Rate, 4% Cap Rate 6-Year Segment Term Dual Trigger Crediting Method [Member] 6-Year Segment Term Dual Trigger Crediting Method MSCI EAFE (MXEA), Market Index, 1-Year, Point-to-Point, 10% Buffer Rate, 2% Cap Rate [Member] MSCI EAFE (MXEA), Market Index, 1-Year, Point-to-Point, 10% Buffer Rate, 2% Cap Rate Required Minimum Distribution Benefit [Member] Required Minimum Distribution Benefit Interim Value - Equity Adjustment [Member] Interim Value - Equity Adjustment 20 Percent Buffer Rate [Member] 20 Percent Buffer Rate S&P 500® (SPX), Market Index, 6-Year, Milestone Lock, 10% Buffer Rate, 12% Cap Rate [Member] S&P 500® (SPX), Market Index, 6-Year, Milestone Lock, 10% Buffer Rate, 12% Cap Rate Regulatory Protection Risk [Member] Regulatory Protection Risk 6-Year Segment Options [Member] 6-Year Segment Options Russell 2000® (RTY), Market Index, 1-Year, Point-to-Point, 10% Buffer Rate, 2% Cap Rate [Member] Russell 2000® (RTY), Market Index, 1-Year, Point-to-Point, 10% Buffer Rate, 2% Cap Rate Elimination Of Segment Options After The Withdrawal Charge Period Risk [Member] Elimination Of Segment Options After The Withdrawal Charge Period Risk MSCI EAFE Price Return Index [Member] MSCI EAFE Price Return Index S&P 500® (SPX), Market Index, 6-Year, Dual Trigger3, 30% Buffer Rate, 3% Trigger Rate [Member] S&P 500® (SPX), Market Index, 6-Year, Dual Trigger3, 30% Buffer Rate, 3% Trigger Rate Financial Strength And Claims-Paying Ability Risk [Member] Financial Strength And Claims-Paying Ability Risk