v3.26.1
Capital Management and Solvency - Composition of Total Capitalization and Calculation of Gross Financial Leverage Ratio (Detail) - EUR (€)
€ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of capital management and solvency [line items]    
Total shareholders' equity - based on IFRS as adopted by the EU € 7,432 € 7,215
Non-controlling interests and share options not yet exercised [1] 186 221
CSM after tax 6,277 6,975
Adjusted valuation equity 13,896 14,411
Other equity instruments 1,978 1,972
Subordinated borrowings 1,461 1,653
Trust pass-through securities 99 113
Currency revaluation other equity instruments [2] 24 52
Hybrid leverage 3,461 3,695
Senior leverage [3] 1,389 1,507
Total gross financial leverage 4,850 5,201
Total capitalization € 18,746 € 19,612
Gross financial leverage ratio 25.90% 26.50%
Fixed Charge Coverage 7.5 6.4
Perpetual contingent convertible securities [member]    
Disclosure of capital management and solvency [line items]    
Other equity instruments € 500 € 500
Junior perpetual capital securities [member]    
Disclosure of capital management and solvency [line items]    
Other equity instruments 923 923
Perpetual cumulative subordinated bonds [member]    
Disclosure of capital management and solvency [line items]    
Other equity instruments 454 454
Non-cumulative subordinated notes [member]    
Disclosure of capital management and solvency [line items]    
Subordinated borrowings € 1,461 € 1,653
[1] Non-controlling interests are disclosed in the consolidated statement of financial position.
[2] Other equity instruments that are denominated in foreign currencies are, for purpose of calculating hybrid leverage, revalued to the period-end exchange rate.
[3] Senior debt for the gross financial leverage calculation also contains swaps for an amount of EUR (7) million (2024: EUR (26) million).