Statutory Requirements - Narrative (Details) - USD ($)	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
ALRe And AARe \| Athene \| Bermuda Jurisdiction
Statutory Accounting Practices [Line Items]
Minimum capital and surplus required	$ 8,000,000
Percentage of ECR	25.00%
ALRe And AARe \| Athene \| Bermuda Jurisdiction \| Tranche One
Statutory Accounting Practices [Line Items]
Percentage of statutory assets	2.00%
Statutory assets required	$ 500,000,000
ALRe And AARe \| Athene \| Bermuda Jurisdiction \| Tranche Two
Statutory Accounting Practices [Line Items]
Percentage of statutory assets	1.50%
Athene Re USA IV \| United States Jurisdiction
Statutory Accounting Practices [Line Items]
Admitted assets	$ 96,000,000	$ 112,000,000
ACRA 1A \| Bermuda Jurisdiction
Statutory Accounting Practices [Line Items]
Minimum margin of solvency required	500,000
Maximum distribution permitted to remit without the need for prior approval	$ 1,614,000,000	1,912,000,000
ACRA 1A \| Athene \| Bermuda Jurisdiction
Statutory Accounting Practices [Line Items]
Percentage of statutory assets	1.50%
Percentage of ECR	25.00%
AADE \| Athene USA Corporation
Statutory Accounting Practices [Line Items]
Maximum distribution permitted to remit without the need for prior approval	$ 0	0
AAIA
Statutory Accounting Practices [Line Items]
Statutory surplus (decrease) increase	$ (28,000,000)	$ 62,000,000

Statutory Accounting Practices, Increase (Decrease) In Statutory Capital And Surplus

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- Definition

Statutory Accounting Practices, Minimum Margin Of Solvency, Assets

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Statutory Accounting Practices, Minimum Margin Of Solvency, Percentage Of Enhanced Capital Requirement

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Statutory Accounting Practices, Minimum Margin Of Solvency, Percentage Of Statutory Assets

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Statutory Accounting Practices, Minimum Margin Of Solvency Required

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Carrying amount of cash and investment securities on deposit with state regulatory authorities in connection with capital requirements.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 825
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Publisher FASB
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(23)(c))
-Publisher FASB
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Amount of dividends that can be declared or paid without approval of regulatory agency.

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- Definition

Amount of statutory capital required to be maintained as of the balance sheet date under prescribed or permitted statutory accounting practices.

+ References

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-Name Accounting Standards Codification
-Topic 944
-SubTopic 505
-Section 50
-Paragraph 1
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