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Label Element Value
Foreign Tax Authority [Member]  
Operating Loss Carryforwards us-gaap_OperatingLossCarryforwards $ 48,000,000
Operating Loss Carryforwards us-gaap_OperatingLossCarryforwards 3,000,000
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration 9,000,000
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration $ 0
Foreign Tax Authority [Member] | Earliest Tax Year [Member]  
Tax Credit Carryforward, Expiration Date us-gaap_TaxCreditCarryforwardExpirationDate Dec. 31, 2021
Foreign Tax Authority [Member] | Latest Tax Year [Member]  
Tax Credit Carryforward, Expiration Date us-gaap_TaxCreditCarryforwardExpirationDate Dec. 31, 2024
General Business Tax Credit Carryforward [Member]  
Tax Credit Carryforward, Amount us-gaap_TaxCreditCarryforwardAmount $ 99,000,000
Tax Credit Carryforward, Amount us-gaap_TaxCreditCarryforwardAmount $ 3,000,000
General Business Tax Credit Carryforward [Member] | Earliest Tax Year [Member]  
Tax Credit Carryforward, Expiration Date us-gaap_TaxCreditCarryforwardExpirationDate Dec. 31, 2031
General Business Tax Credit Carryforward [Member] | Latest Tax Year [Member]  
Tax Credit Carryforward, Expiration Date us-gaap_TaxCreditCarryforwardExpirationDate Dec. 31, 2036
General Business Tax Credit Carryforward [Member] | Expiring Tax Year 2031 to 2035 [Member]  
Tax Credit Carryforward, Amount us-gaap_TaxCreditCarryforwardAmount $ 3,000,000
Variable Annuity [Member]  
Derivative, Gain (Loss) on Derivative, Net us-gaap_DerivativeGainLossOnDerivativeNet (58,000,000)
Derivative, Gain (Loss) on Derivative, Net us-gaap_DerivativeGainLossOnDerivativeNet (106,000,000)
Derivative, Gain (Loss) on Derivative, Net us-gaap_DerivativeGainLossOnDerivativeNet (50,000,000)
Derivative, Gain (Loss) on Derivative, Net us-gaap_DerivativeGainLossOnDerivativeNet $ (136,000,000)