v3.26.1
General Information - Additional Information (Detail) - Employees
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of general information [Line Items]      
Country of Incorporation Bermuda    
Address of entity World Trade Center Schiphol, Schiphol Boulevard 223, 1118 BH Schiphol.    
Description of nature operations and principal activities Aegon Ltd. (or “the Company”) and its subsidiaries (“Aegon” or “the Group”) have life insurance and pensions operations and are also active in savings and asset management operations, accident and health insurance and general insurance.    
Number of employees 15,304 15,582 15,658
Bottom of range [member]      
Disclosure of general information [Line Items]      
Number of employees 15,300 15,600