v3.26.1
Discontinued Operations - Summary of Condensed Held For Sale Assets and Liabilities (Detail) - EUR (€)
€ in Millions
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Assets        
Cash and cash equivalents € 3,515 € 2,733 € 3,200 € 3,469
Investments 167,187 285,141    
Derivatives 681 485    
Reinsurance contract assets 17,374 17,153    
Deferred tax assets 1,860 1,894    
Deferred expenses 457 452    
Other assets and receivables 3,538 4,632    
Intangible assets 387 519    
Total assets held for sale 138,246 0    
Equity and liabilities        
Reinsurance contract liabilities 201 195    
Insurance contract liabilities 137,407 176,067    
Investment contract liabilities with discretionary participation features 20 21,281    
Investment contracts without discretionary participation features 41,839 97,814    
Derivatives 1,269 1,469    
Other liabilities 7,098 7,369    
Liabilities held for sale 137,070 € 0    
Discontinued operations [member]        
Assets        
Cash and cash equivalents 250      
Investments 136,640      
Derivatives 53      
Reinsurance contract assets 1      
Deferred tax assets 74      
Deferred expenses 13      
Other assets and receivables 1,084      
Intangible assets 131      
Total assets held for sale 138,246      
Equity and liabilities        
Reinsurance contract liabilities 5      
Insurance contract liabilities 46,857      
Investment contract liabilities with discretionary participation features 21,777      
Investment contracts without discretionary participation features 67,438      
Derivatives 196      
Other liabilities 797      
Liabilities held for sale € 137,070