v3.25.2
Cover
Jun. 24, 2025
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 24, 2025
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 One Moody Plaza
Entity Address, City or Town Galveston
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77550
City Area Code 888
Local Phone Number 221-1234
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
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
Series D 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 7.375% Fixed-Rate Non-Cumulative Preferred Stock, Series D
Trading Symbol ANGpD
Security Exchange Name NYSE