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Cover
May 07, 2024
Document Information [Line Items]  
Document Type 8-K/A
Amendment Flag false
Document Period End Date May 07, 2024
Entity File Number 001-31911
Entity Registrant Name AMERICAN NATIONAL GROUP INC
Entity Central Index Key 0001039828
Entity Tax Identification Number 42-1447959
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 6000 Westown Parkway
Entity Address, City or Town West Des Moines
Entity Address, State or Province IA
Entity Address, Postal Zip Code 50266
City Area Code 515
Local Phone Number 221-0002
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Series A Preferred Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Depositary Shares, each representing a 1/1,000th interest in a share of 5.95% Fixed-Rate Reset Non-Cumulative Preferred Stock, Series A
Trading Symbol ANGpA
Security Exchange Name NYSE
Series B Preferred Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Depositary Shares, each representing a 1/1,000th interest in a share of 6.625% Fixed-Rate Reset Non-Cumulative Preferred Stock, Series B
Trading Symbol ANGpB
Security Exchange Name NYSE