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Summary of Significant Accounting Policies - Narrative (Details) |  | 6 Months Ended
--- | --- | ---
Oct. 01, 2023 USD ($) | Jun. 30, 2024 USD ($) segment
Property, Plant and Equipment [Line Items] |  |
Goodwill, impairment loss | $ 0 |
Observable tenor |  | 30 years
Net premium ratio cap |  | 100.00%
Share of profits on participating policies (limited to) |  | 10.00%
Policyholder dividend, payment per $1,000 face amount |  | $ 50
Number of reportable segments | segment |  | 4
Trade name |  |
Property, Plant and Equipment [Line Items] |  |
Intangible asset useful life |  | 10 years
Trade name | AEL |  |
Property, Plant and Equipment [Line Items] |  |
Intangible asset useful life |  | 10 years
Minimum |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful life of real estate assets |  | 15 years
Estimated useful lives of property and equipment |  | 3 years
Minimum | Distributor relationships |  |
Property, Plant and Equipment [Line Items] |  |
Intangible asset useful life |  | 15 years
Maximum |  |
Property, Plant and Equipment [Line Items] |  |
Estimated useful life of real estate assets |  | 50 years
Estimated useful lives of property and equipment |  | 30 years
Maximum | Distributor relationships |  |
Property, Plant and Equipment [Line Items] |  |
Intangible asset useful life |  | 30 years

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