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Schedule II - Condensed Financial Information of Registrant - Notes to the Condensed Financial Information of Registrant (Parent Company Only) (Details) - USD ($) $ in Millions	5 Months Ended	7 Months Ended	12 Months Ended
	May 24, 2022	Dec. 31, 2022	Dec. 31, 2024	Dec. 31, 2023
American National Group Inc.
Dividends Receivable [Line Items]
Proceeds from contributions from affiliates	$ 47	$ 641	$ 257	$ 557

X

- Definition

Dividends Receivable

+ References

No definition available.

+ Details

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Namespace Prefix:	angpa_
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X

- Definition

The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

+ Details

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Balance Type:	debit
Period Type:	duration

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- Details

Name:	dei_LegalEntityAxis=angpa_AmericanNationalGroupInc.Member
Namespace Prefix:
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Balance Type:
Period Type: