v3.26.1
Capital Management and Solvency - Aegon's Estimated Capital Position (Detail) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2025
 [2]
Dec. 31, 2024
Disclosure Of Estimated Capital Position [Line Items]    
Group solvency ratio [1] 184.00% 188.00%
Aegons Insurance Group [member]    
Disclosure Of Estimated Capital Position [Line Items]    
Group Eligible Own Funds € 11,901 € 14,030
Group SCR € 6,464 € 7,466
[1] Including our share of a.s.r. Excess of Assets over Liabilities (minus own shares and minus minority interests) and SCR in our Group Solvency numbers.
[2] The solvency ratios are estimates and are not final until filed with the respective supervisory authority.