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Subsequent Events (Narrative) (Details) - Subsequent Event $ in Billions | Oct. 01, 2022 USD ($)
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Subsequent Event [Line Items] |
Reinsurance liabilities, amount ceded | $ 4.3
Funds withheld coinsurance basis, percentage | 75.00%
Coinsurance basis, percentage | 25.00%

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- Definition Reinsurance Agreement, Coinsurance Basis, Percentage + References No definition available. + Details
Name: | ael_ReinsuranceAgreementCoinsuranceBasisPercentage
Namespace Prefix: | ael_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Reinsurance Agreement, Funds Withheld Coinsurance Basis, Percentage + References No definition available. + Details
Name: | ael_ReinsuranceAgreementFundsWithheldCoinsuranceBasisPercentage
Namespace Prefix: | ael_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Reinsurance Liabilities, Amount Ceded + References No definition available. + Details
Name: | ael_ReinsuranceLiabilitiesAmountCeded
Namespace Prefix: | ael_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |