v3.26.1
SHAREHOLDERS' EQUITY - Reconciliation of Number of Shares of Common Stock (Detail) - shares
shares in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Common Stock Issued [Roll Forward]    
Balance, beginning of period 1,357,909 1,356,763
Exercise of stock options and issuance of restricted shares 853 989
Balance, end of period 1,358,762 1,357,752
Treasury Stock [Roll Forward]    
Balance, beginning of period 839,219 806,799
Share repurchase program 9,013 8,497
Balance, end of period 848,232 815,259
Shares outstanding, end of period 510,530 542,493
Treasury Stock    
Treasury Stock [Roll Forward]    
Other purchases 353 398
Shares issued to AFL Stock Plan (160) (173)
Exercise of stock options (30) (41)
Other dispositions (163) (221)