v3.25.4
Structured Entities (Detail: Text Values) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of unconsolidated structured entities [line items]    
Notional value of liquidity facilities and guarantees provided to consolidated funds € 1,600 € 1,500
Notional related to positive replacement values of derivatives to unconsolidated structured entities 188,000 220,000
Notional related to negative replacement values of derivatives to unconsolidated structured entities 591,000 746,000
Notional related to off balance sheet commitments to unconsolidated structured entities 28,000 29,000
Total size of structured entities 3,003,000 3,156,000
Of which: From Funds 1,815,000 1,828,000
Total trading assets 12,600 10,500
Of which:    
Securitizations 4,500 3,800
Funds structured entities 6,200 4,100
Loans consisting of investments in securitization tranches and financing to Third party funding entities 110,800 119,000
Other assets primarily consisting of prime brokerage receivables and cash margin balances 10,800 12,900
Sponsored Unconsolidated Structured Entities, No Interest Held    
Of which:    
Gross revenue 218 581
Sponsored Unconsolidated Structured Entities, No Interest Held, Securitization    
Of which:    
Assets transferred to structured entities 5,800 3,700
Sponsored Unconsolidated Structured Entities, No Interest Held, Repackaging And Investment    
Of which:    
Assets transferred to structured entities € 3,100 € 2,300