v3.26.1
Investments in Joint Ventures and Associates - Schedule of Financial Information of Associates (Detail) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Summarized statement of financial position      
Derivatives € 485 € 771  
Other assets 7,530 8,944  
Total assets 317,233 327,390  
Insurance liabilities 176,067 188,359  
Borrowings and subordinated liabilities 1,461 1,653  
Derivatives 1,469 2,435  
Other liabilities 6,445 7,124  
Total liabilities 307,738 318,077  
Non-controlling interests 85 126  
Other equity instruments 1,978 1,972  
Summarized statement of comprehensive income      
Insurance revenue 9,097 9,841 € 10,386
Insurance service result 511 376 342
Profit or loss from continuing operations 1,045 660 (391)
Income tax expense or income 65 (16) (209)
Net result from continuing operations 980 676 (182)
Post-tax profit or loss from discontinued operations 0 0 (17)
Post-tax profit or (loss) 980 676 (199)
Other comprehensive income 412 573 421
Total comprehensive income 1,392 1,248 € 222
Carrying amount 2,638 3,122  
Other Associates [member]      
Summarized statement of financial position      
Current assets 495 501  
Non-current assets 1,090 732  
Total assets 1,585 1,233  
Current liabilities 308 343  
Non-current liabilities 10 25  
Total liabilities 319 369  
Net assets 1,266 864  
Summarized statement of comprehensive income      
Post-tax profit or (loss) 92 86  
Other comprehensive income 0 0  
Total comprehensive income 92 86  
Dividends received 15 11  
Carrying amount 374 311  
ASR [member]      
Summarized statement of financial position      
Investments 79,124 80,484  
Derivatives 15,905 11,767  
Other assets 47,326 46,457  
Total assets 142,355 138,709  
Insurance liabilities 101,431 102,723  
Borrowings and subordinated liabilities 4,802 5,140  
Derivatives 15,453 8,666  
Other liabilities 10,405 12,293  
Total liabilities 132,091 128,822  
Non-controlling interests 13 47  
Other equity instruments 1,477 977  
Total other equity components 1,490 1,024  
Net assets 8,774 8,863  
Summarized statement of comprehensive income      
Insurance revenue 10,342 9,601  
Insurance service result 765 772  
Profit or loss from continuing operations 808 1,418  
Income tax expense or income (159) (375)  
Net result from continuing operations 649 1,043  
Post-tax profit or loss from discontinued operations 0 35  
Other comprehensive income - that may be recycled to profit or loss 228 283  
Total comprehensive income 877 1,361  
Dividends received € 200 € 188  
Group share 24.12% 29.95%  
Group share of post-tax profit or loss € 178 € 325  
Group share of other comprehensive income € 56 € 85