Russell 2000® Price Return Index, U.S. Small Cap Equities, 6 Year, 20% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] Russell 2000® Price Return Index, U.S. Small Cap Equities, 6 Year, 20% Buffer, 0.50% Cap Rate & 5.00% Participation Rate Liquidity Risk [Member] Liquidity Risk Index Performance Risk [Member] Index Performance Risk S&P 500® Price Return Index, U.S. Large Cap Equities, 6 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] S&P 500® Price Return Index, U.S. Large Cap Equities, 6 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate Nasdaq-100 Price Return Index®, Large Cap Equities, 6 Year, 0% Buffer, 100% Participation Rate [Member] Nasdaq-100 Price Return Index®, Large Cap Equities, 6 Year, 0% Buffer, 100% Participation Rate Cap Rate and Participation Rate Risk [Member] Cap Rate and Participation Rate Risk S&P 500® Price Return Index [Member] S&P 500® Price Return Index Segment Lock-In Risk [Member] Segment Lock-In Risk S&P 500® Price Return Index, U.S. Large Cap Equities, 1 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] S&P 500® Price Return Index, U.S. Large Cap Equities, 1 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate S&P MidCap 400® Price Return Index, U.S. Mid Cap Equities, 6 Year, 20% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] S&P MidCap 400® Price Return Index, U.S. Mid Cap Equities, 6 Year, 20% Buffer, 0.50% Cap Rate & 5.00% Participation Rate Equity Adjustment [Member] Equity Adjustment Fixed Segment Option Risk [Member] Fixed Segment Option Risk Nasdaq-100 Price Return Index®, Large Cap Equities, 6 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] Nasdaq-100 Price Return Index®, Large Cap Equities, 6 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate S&P 500® Price Return Index, U.S. Large Cap Equities, 6 Year, 20% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] S&P 500® Price Return Index, U.S. Large Cap Equities, 6 Year, 20% Buffer, 0.50% Cap Rate & 5.00% Participation Rate Segment Interim Value Risk [Member] Segment Interim Value Risk S&P 500® Price Return Index, U.S. Large Cap Equities, 1 Year, 20% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] S&P 500® Price Return Index, U.S. Large Cap Equities, 1 Year, 20% Buffer, 0.50% Cap Rate & 5.00% Participation Rate Buffer and Floor Rate Risk [Member] Buffer and Floor Rate Risk SG Smart Climate Index [Member] SG Smart Climate Index Russell 2000® Price Return Index, U.S. Small Cap Equities, 6 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] Russell 2000® Price Return Index, U.S. Small Cap Equities, 6 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate Russell 2000® Price Return Index, U.S. Small Cap Equities, 1 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] Russell 2000® Price Return Index, U.S. Small Cap Equities, 1 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate Single Premium Payment Risk [Member] Single Premium Payment Risk S&P 500® Price Return Index, U.S. Large Cap Equities, 1 Year, 0% Floor, 0.50% Cap Rate & 5.00% Participation Rate [Member] S&P 500® Price Return Index, U.S. Large Cap Equities, 1 Year, 0% Floor, 0.50% Cap Rate & 5.00% Participation Rate Rate Enhancement Rider [Member] Rate Enhancement Rider Peak Buffer Rate Return Limit [Member] Peak Buffer Rate Return Limit Annual Step-Up Death Benefit [Member] Annual Step-Up Death Benefit Fixed Segment Option [Member] Fixed Segment Option S&P 500® Price Return Index, U.S. Large Cap Equities, 1 Year, 20% Peak Buffer (10% Peak Buffer Midpoint), 0.50% Cap Rate & 5.00% Participation Rate [Member] S&P 500® Price Return Index, U.S. Large Cap Equities, 1 Year, 20% Peak Buffer (10% Peak Buffer Midpoint), 0.50% Cap Rate & 5.00% Participation Rate Segment Option and Index Availability Risk [Member] Segment Option and Index Availability Risk Bond Adjustment [Member] Bond Adjustment S&P 500® Price Return Index, U.S. Large Cap Equities, 6 Year, 0% Buffer, 100% Participation Rate [Member] S&P 500® Price Return Index, U.S. Large Cap Equities, 6 Year, 0% Buffer, 100% Participation Rate Risks Affecting Our Administration of Your Contract [Member] Risks Affecting Our Administration of Your Contract Nasdaq-100 Price Return Index®, Large Cap Equities, 1 Year, 20% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] Nasdaq-100 Price Return Index®, Large Cap Equities, 1 Year, 20% Buffer, 0.50% Cap Rate & 5.00% Participation Rate Nasdaq-100 Price Return Index®, Large Cap Equities, 6 Year, 20% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] Nasdaq-100 Price Return Index®, Large Cap Equities, 6 Year, 20% Buffer, 0.50% Cap Rate & 5.00% Participation Rate Free Surrender Amount [Member] Free Surrender Amount S&P 500® Price Return Index, U.S. Large Cap Equities, 2 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] S&P 500® Price Return Index, U.S. Large Cap Equities, 2 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate Nasdaq-100 Price Return Index® [Member] Nasdaq-100 Price Return Index® Russell 2000® Price Return Index [Member] Russell 2000® Price Return Index Credit Risks [Member] Credit Risks Peak Buffer Risk [Member] Peak Buffer Risk S&P MidCap 400® Price Return Index, U.S. Mid Cap Equities, 6 Year, 0% Buffer, 100% Participation Rate [Member] S&P MidCap 400® Price Return Index, U.S. Mid Cap Equities, 6 Year, 0% Buffer, 100% Participation Rate MSCI EAFE Price Return Index [Member] MSCI EAFE Price Return Index MSCI EAFE Price Return Index, International Equities, 6 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] MSCI EAFE Price Return Index, International Equities, 6 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate Russell 2000® Price Return Index, U.S. Large Cap Equities, 6 Year, 0% Buffer, 100% Participation Rate [Member] Russell 2000® Price Return Index, U.S. Large Cap Equities, 6 Year, 0% Buffer, 100% Participation Rate S&P MidCap 400® Price Return Index [Member] S&P MidCap 400® Price Return Index S&P 500® Price Return Index, U.S. Large Cap Equities, 6 Year, 20% Peak Buffer (10% Peak Buffer Midpoint), 0.50% Cap Rate & 5.00% Participation Rate [Member] S&P 500® Price Return Index, U.S. Large Cap Equities, 6 Year, 20% Peak Buffer (10% Peak Buffer Midpoint), 0.50% Cap Rate & 5.00% Participation Rate S&P MidCap 400® Price Return Index, U.S. Mid Cap Equities, 6 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] S&P MidCap 400® Price Return Index, U.S. Mid Cap Equities, 6 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate Initial Holding Account Risk [Member] Initial Holding Account Risk Critical Need Surrender Charge Waiver Rider [Member] Critical Need Surrender Charge Waiver Rider Segment Lock-Ins [Member] Segment Lock-Ins S&P 500® Price Return Index, U.S. Large Cap Equities, 6 Year, 100% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] S&P 500® Price Return Index, U.S. Large Cap Equities, 6 Year, 100% Buffer, 0.50% Cap Rate & 5.00% Participation Rate SG Smart Climate Index, U.S. Large Cap ESG Equities, 6 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] SG Smart Climate Index, U.S. Large Cap ESG Equities, 6 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate S&P 500® Price Return Index, U.S. Large Cap Equities, 1 Year, 10% Floor, 0.50% Cap Rate & 5.00% Participation Rate [Member] S&P 500® Price Return Index, U.S. Large Cap Equities, 1 Year, 10% Floor, 0.50% Cap Rate & 5.00% Participation Rate MSCI EAFE Price Return Index, International Equities, 1 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate [Member] MSCI EAFE Price Return Index, International Equities, 1 Year, 10% Buffer, 0.50% Cap Rate & 5.00% Participation Rate