XML 17 R46.htm IDEA: XBRL DOCUMENT v2.4.1.9
Fair Value of Assets and Liabilities (Changes in Level 3 Assets and Liabilities) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Equity Securities [Member]    
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Fair Value, beginning of period (Assets)   $ 192us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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= us-gaap_EquitySecuritiesMember
Included In Earnings    
Realized investment gains (losses), net   0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsInRealizedInvestmentGainLossLine
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= us-gaap_EquitySecuritiesMember
Asset management fees and other income - Assets1   0cik881453_Fairvalueassetsmeasuredonrecurringbasisgainlossincludedinotherincome1
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Included in other comprehensive income (loss)   0cik881453_GainLossIncludedInOtherComprehensiveIncomeLoss
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= us-gaap_EquitySecuritiesMember
Net investment income1   0cik881453_FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInInvestmentIncome1
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= us-gaap_EquitySecuritiesMember
Purchases   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
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Sales   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
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= us-gaap_EquitySecuritiesMember
Issuances   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
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= us-gaap_EquitySecuritiesMember
Settlements   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
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= us-gaap_EquitySecuritiesMember
Other   0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOther
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= us-gaap_EquitySecuritiesMember
[1]
Transfers into Level 3   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
/ cik881453_MajorTypeOfDebtAndEquitySecuritiesAxis
= us-gaap_EquitySecuritiesMember
[2]
Transfers out of Level 3   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
/ cik881453_MajorTypeOfDebtAndEquitySecuritiesAxis
= us-gaap_EquitySecuritiesMember
[2]
Fair Value, end of period (Assets)   192us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ cik881453_MajorTypeOfDebtAndEquitySecuritiesAxis
= us-gaap_EquitySecuritiesMember
Included In Earnings    
Realized investment gains (losses), net   0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossStillHeldIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_MajorTypeOfDebtAndEquitySecuritiesAxis
= us-gaap_EquitySecuritiesMember
[3]
Asset management fees and other income   0us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
/ cik881453_MajorTypeOfDebtAndEquitySecuritiesAxis
= us-gaap_EquitySecuritiesMember
[3]
Debt Securities [Member] | Corporate Debt Securities [Member]    
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Fair Value, beginning of period (Assets) 116,070us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
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= us-gaap_CorporateDebtSecuritiesMember
96,796us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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= us-gaap_CorporateDebtSecuritiesMember
Included In Earnings    
Realized investment gains (losses), net 62cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_DebtSecuritiesMember
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0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsInRealizedInvestmentGainLossLine
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= us-gaap_DebtSecuritiesMember
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= us-gaap_CorporateDebtSecuritiesMember
Asset management fees and other income - Assets1 0cik881453_Fairvalueassetsmeasuredonrecurringbasisgainlossincludedinotherincome1
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= us-gaap_DebtSecuritiesMember
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= us-gaap_CorporateDebtSecuritiesMember
0cik881453_Fairvalueassetsmeasuredonrecurringbasisgainlossincludedinotherincome1
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= us-gaap_DebtSecuritiesMember
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= us-gaap_CorporateDebtSecuritiesMember
Included in other comprehensive income (loss) (219)cik881453_GainLossIncludedInOtherComprehensiveIncomeLoss
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= us-gaap_DebtSecuritiesMember
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= us-gaap_CorporateDebtSecuritiesMember
247cik881453_GainLossIncludedInOtherComprehensiveIncomeLoss
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= us-gaap_DebtSecuritiesMember
/ cik881453_MajorTypeOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember
Net investment income1 1,277cik881453_FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInInvestmentIncome1
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
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1,224cik881453_FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInInvestmentIncome1
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= us-gaap_DebtSecuritiesMember
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= us-gaap_CorporateDebtSecuritiesMember
Purchases 17,270us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
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= us-gaap_CorporateDebtSecuritiesMember
1,489us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_DebtSecuritiesMember
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= us-gaap_CorporateDebtSecuritiesMember
Sales (15,212)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
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0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
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= us-gaap_DebtSecuritiesMember
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= us-gaap_CorporateDebtSecuritiesMember
Issuances 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
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= us-gaap_CorporateDebtSecuritiesMember
0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
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= us-gaap_DebtSecuritiesMember
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= us-gaap_CorporateDebtSecuritiesMember
Settlements (926)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
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(501)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
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= us-gaap_CorporateDebtSecuritiesMember
Other   0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOther
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= us-gaap_DebtSecuritiesMember
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[1]
Transfers into Level 3 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
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= us-gaap_CorporateDebtSecuritiesMember
[2] 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_DebtSecuritiesMember
/ cik881453_MajorTypeOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember
[2]
Transfers out of Level 3 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
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[2] 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
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= us-gaap_DebtSecuritiesMember
/ cik881453_MajorTypeOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember
[2]
Fair Value, end of period (Assets) 118,322us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_DebtSecuritiesMember
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= us-gaap_CorporateDebtSecuritiesMember
99,255us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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= us-gaap_DebtSecuritiesMember
/ cik881453_MajorTypeOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember
Included In Earnings    
Realized investment gains (losses), net 0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossStillHeldIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_DebtSecuritiesMember
/ cik881453_MajorTypeOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember
[3] 0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossStillHeldIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_DebtSecuritiesMember
/ cik881453_MajorTypeOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember
[3]
Asset management fees and other income 0us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
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= us-gaap_CorporateDebtSecuritiesMember
[3] 0us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
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= us-gaap_DebtSecuritiesMember
/ cik881453_MajorTypeOfDebtAndEquitySecuritiesAxis
= us-gaap_CorporateDebtSecuritiesMember
[3]
Debt Securities [Member] | Asset-backed Securities [Member]    
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Fair Value, beginning of period (Assets) 40,524us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
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63,789us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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= us-gaap_AssetBackedSecuritiesMember
Included In Earnings    
Realized investment gains (losses), net 0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_DebtSecuritiesMember
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= us-gaap_AssetBackedSecuritiesMember
0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_DebtSecuritiesMember
/ cik881453_MajorTypeOfDebtAndEquitySecuritiesAxis
= us-gaap_AssetBackedSecuritiesMember
Asset management fees and other income - Assets1 0cik881453_Fairvalueassetsmeasuredonrecurringbasisgainlossincludedinotherincome1
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0cik881453_Fairvalueassetsmeasuredonrecurringbasisgainlossincludedinotherincome1
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= us-gaap_DebtSecuritiesMember
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Included in other comprehensive income (loss) 81cik881453_GainLossIncludedInOtherComprehensiveIncomeLoss
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_DebtSecuritiesMember
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178cik881453_GainLossIncludedInOtherComprehensiveIncomeLoss
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= us-gaap_DebtSecuritiesMember
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= us-gaap_AssetBackedSecuritiesMember
Net investment income1 12cik881453_FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInInvestmentIncome1
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= us-gaap_DebtSecuritiesMember
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44cik881453_FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInInvestmentIncome1
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
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Purchases 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
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14,933us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
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Sales 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
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0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
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Issuances 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
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0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
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Settlements (579)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
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(3,882)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
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Other   0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOther
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[1]
Transfers into Level 3 9,783us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
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[2] 27,663us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
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[2]
Transfers out of Level 3 (983)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
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[2] 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
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= us-gaap_DebtSecuritiesMember
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= us-gaap_AssetBackedSecuritiesMember
[2]
Fair Value, end of period (Assets) 48,838us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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102,725us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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= us-gaap_AssetBackedSecuritiesMember
Included In Earnings    
Realized investment gains (losses), net 0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossStillHeldIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_DebtSecuritiesMember
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[3] 0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossStillHeldIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_DebtSecuritiesMember
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[3]
Asset management fees and other income 0us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
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[3]
Debt Securities [Member] | Commercial Mortgage Backed Securities [Member]    
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[1]
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[2]
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[2]
Fair Value, end of period (Assets)   45,365us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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[3]
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[3]
Other Long-term Investments [Member]    
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
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(9)cik881453_Fairvalueassetsmeasuredonrecurringbasisgainlossincludedinotherincome1
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[1]
Transfers into Level 3 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
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[2]
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[2] 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
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[2]
Fair Value, end of period (Assets) 635us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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520us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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[3]
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[3] 0us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
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[3]
Trading Asset [Member] | Equity Securities [Member]    
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Fair Value, beginning of period (Assets)   313us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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Asset management fees and other income - Assets1   15cik881453_Fairvalueassetsmeasuredonrecurringbasisgainlossincludedinotherincome1
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Settlements   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
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[1]
Transfers into Level 3   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
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[2]
Transfers out of Level 3   0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
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[2]
Fair Value, end of period (Assets)   328us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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[3]
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[3]
Future Policy Benefits [Member]    
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Fair Value, beginning of period (Assets) (3,112,411)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
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Fair Value, Beginning of period (Liabilities)   778,226us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
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/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_FuturePolicyBenefitsMember
0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_FuturePolicyBenefitsMember
Other   0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOther
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_FuturePolicyBenefitsMember
[1]
Transfers into Level 3 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_FuturePolicyBenefitsMember
[2] 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_FuturePolicyBenefitsMember
[2]
Transfers out of Level 3 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_FuturePolicyBenefitsMember
[2] 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_FuturePolicyBenefitsMember
[2]
Fair Value, End of Period (Liabilities) 3,430,249us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_FuturePolicyBenefitsMember
1,402,029us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_FuturePolicyBenefitsMember
Included In Earnings    
Realized investment gains (losses), net (283,739)cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossStillHeldIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_FuturePolicyBenefitsMember
[3] (692,458)cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossStillHeldIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_FuturePolicyBenefitsMember
[3]
Asset management fees and other income 0us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_FuturePolicyBenefitsMember
[3] 0us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_FuturePolicyBenefitsMember
[3]
Cash and Cash Equivalents [Member]    
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Fair Value, beginning of period (Assets) 225us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
Included In Earnings    
Realized investment gains (losses), net 0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
Asset management fees and other income - Assets1 0cik881453_Fairvalueassetsmeasuredonrecurringbasisgainlossincludedinotherincome1
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
0cik881453_Fairvalueassetsmeasuredonrecurringbasisgainlossincludedinotherincome1
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
Included in other comprehensive income (loss) 0cik881453_GainLossIncludedInOtherComprehensiveIncomeLoss
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
0cik881453_GainLossIncludedInOtherComprehensiveIncomeLoss
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
Net investment income1 0cik881453_FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInInvestmentIncome1
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
0cik881453_FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInInvestmentIncome1
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
Purchases 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
400us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
Sales 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
Issuances 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
Settlements 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
Other   0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOther
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
[1]
Transfers into Level 3 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
[2] 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
[2]
Transfers out of Level 3 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
[2] 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
[2]
Fair Value, end of period (Assets) 225us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
400us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
Included In Earnings    
Realized investment gains (losses), net 0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossStillHeldIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
[3] 0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossStillHeldIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
[3]
Asset management fees and other income 0us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
[3] 0us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= us-gaap_CashAndCashEquivalentsMember
[3]
Reinsurance Recoverable [Member]    
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Fair Value, beginning of period (Assets) 2,996,154us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
748,005us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
Included In Earnings    
Realized investment gains (losses), net 246,814cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
537,854cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
Asset management fees and other income - Assets1 0cik881453_Fairvalueassetsmeasuredonrecurringbasisgainlossincludedinotherincome1
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
0cik881453_Fairvalueassetsmeasuredonrecurringbasisgainlossincludedinotherincome1
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
Included in other comprehensive income (loss) 0cik881453_GainLossIncludedInOtherComprehensiveIncomeLoss
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
0cik881453_GainLossIncludedInOtherComprehensiveIncomeLoss
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
Net investment income1 0cik881453_FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInInvestmentIncome1
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
0cik881453_FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInInvestmentIncome1
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
Purchases 57,644us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
58,728us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
Sales 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
Issuances 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
Settlements 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
Other   0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOther
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
[1]
Transfers into Level 3 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
[2] 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
[2]
Transfers out of Level 3 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
[2] 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
[2]
Fair Value, end of period (Assets) 3,300,612us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
1,344,587us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
Included In Earnings    
Realized investment gains (losses), net 272,379cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossStillHeldIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
[3] 662,178cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossStillHeldIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
[3]
Asset management fees and other income 0us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
[3] 0us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReinsuranceRecoverableMember
[3]
Receivables From Parents And Affiliates [Member]    
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Fair Value, beginning of period (Assets) 22,320us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
6,347us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
Included In Earnings    
Realized investment gains (losses), net 1cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
1cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
Asset management fees and other income - Assets1 0cik881453_Fairvalueassetsmeasuredonrecurringbasisgainlossincludedinotherincome1
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
0cik881453_Fairvalueassetsmeasuredonrecurringbasisgainlossincludedinotherincome1
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
Included in other comprehensive income (loss) (292)cik881453_GainLossIncludedInOtherComprehensiveIncomeLoss
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
11cik881453_GainLossIncludedInOtherComprehensiveIncomeLoss
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
Net investment income1 0cik881453_FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInInvestmentIncome1
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
0cik881453_FairValueAssetsMeasuredOnRecurringBasisGainLossIncludedInInvestmentIncome1
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
Purchases 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
Sales 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
Issuances 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
Settlements 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
Other   0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetOther
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
[1]
Transfers into Level 3 1,986us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
[2] 1,985us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
[2]
Transfers out of Level 3 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
[2] 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
[2]
Fair Value, end of period (Assets) 24,015us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
8,344us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
Included In Earnings    
Realized investment gains (losses), net 0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossStillHeldIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
[3] 0cik881453_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossStillHeldIncludedInEarningsInRealizedInvestmentGainLossLine
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
[3]
Asset management fees and other income $ 0us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
[3] $ 0us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
/ cik881453_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByPrimaryGroupTypeAxis
= cik881453_ReceivablesFromParentsAndAffiliatesMember
[3]
[1] Other primarily represents reclassifications of certain assets between reporting categories.
[2] Transfers into or out of Level 3 are generally reported as the value as of the beginning of the quarter in which the transfer occurs.
[3] Unrealized gains or losses related to assets still held at the end of the period do not include amortization or accretion of premiums and discounts.