v3.25.4
Offsetting Financial Assets and Financial Liabilities - Offsetting Assets (Detail) - EUR (€)
€ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of offsetting of financial assets [line items]      
Total assets € 1,440,000 € 1,391,000 € 1,317,000
Gross amounts of financial assets | enforceable      
Disclosure of offsetting of financial assets [line items]      
Central bank funds sold and securities purchased under resale agreements 60,976 54,483  
Securities borrowed 6 32  
Financial assets at fair value through profit or loss 605,232 615,693  
of which: Positive market values from derivative financial instruments 246,257 298,563  
Of which: positive market values from derivatives qualifying for hedge accounting 830 362  
Remaining assets subject to netting 1,128 2,786  
Gross amounts of financial assets | non-enforceable      
Disclosure of offsetting of financial assets [line items]      
Central bank funds sold and securities purchased under resale agreements 991 749  
Securities borrowed 0 11  
Financial assets at fair value through profit or loss 175,898 162,908  
of which: Positive market values from derivative financial instruments 8,629 9,400  
Loans at amortized cost 478,214 483,897  
Remaining assets not subject to netting 235,896 216,430  
Gross amounts of financial assets | enforceable and non-enforceable      
Disclosure of offsetting of financial assets [line items]      
Financial assets at fair value through profit or loss 781,130 [1] 778,601 [2]  
Other 172,128 105,704  
Total assets 1,730,469 1,642,694  
Gross amounts set off on the balance sheet | enforceable      
Disclosure of offsetting of financial assets [line items]      
Central bank funds sold and securities purchased under resale agreements (24,458) (14,429)  
Securities borrowed 0 0  
Financial assets at fair value through profit or loss (261,170) (232,705)  
of which: Positive market values from derivative financial instruments (13,232) (16,164)  
Of which: positive market values from derivatives qualifying for hedge accounting (35) (25)  
Remaining assets subject to netting 0 0  
Gross amounts set off on the balance sheet | non-enforceable      
Disclosure of offsetting of financial assets [line items]      
Central bank funds sold and securities purchased under resale agreements 0 0  
Securities borrowed 0 0  
Financial assets at fair value through profit or loss 0 0  
of which: Positive market values from derivative financial instruments 0 0  
Loans at amortized cost 0 0  
Remaining assets not subject to netting 0 0  
Gross amounts set off on the balance sheet | enforceable and non-enforceable      
Disclosure of offsetting of financial assets [line items]      
Financial assets at fair value through profit or loss (261,170) [1] (232,705) [2]  
Other (4,968) (4,526)  
Total assets (290,597) (251,661)  
Net amounts of financial assets presented on the balance sheet | enforceable      
Disclosure of offsetting of financial assets [line items]      
Central bank funds sold and securities purchased under resale agreements 36,518 40,053  
Securities borrowed 6 32  
Financial assets at fair value through profit or loss 344,062 382,988  
of which: Positive market values from derivative financial instruments 233,025 282,399  
Of which: positive market values from derivatives qualifying for hedge accounting 795 337  
Remaining assets subject to netting 1,128 2,786  
Net amounts of financial assets presented on the balance sheet | non-enforceable      
Disclosure of offsetting of financial assets [line items]      
Central bank funds sold and securities purchased under resale agreements 991 749  
Securities borrowed 0 11  
Financial assets at fair value through profit or loss 175,898 162,908  
of which: Positive market values from derivative financial instruments 8,629 9,400  
Loans at amortized cost 478,214 483,897  
Remaining assets not subject to netting 235,896 216,430  
Net amounts of financial assets presented on the balance sheet | enforceable and non-enforceable      
Disclosure of offsetting of financial assets [line items]      
Financial assets at fair value through profit or loss 519,960 [1] 545,895 [2]  
Other 167,159 101,178  
Total assets 1,439,873 1,391,033  
Amounts not set off on the balance sheet, Impact of Master Netting Agreements | enforceable      
Disclosure of offsetting of financial assets [line items]      
Central bank funds sold and securities purchased under resale agreements 0 0  
Securities borrowed 0 0  
Financial assets at fair value through profit or loss (182,554) (231,243)  
of which: Positive market values from derivative financial instruments (180,780) (229,605)  
Of which: positive market values from derivatives qualifying for hedge accounting (472) (210)  
Remaining assets subject to netting 0 0  
Amounts not set off on the balance sheet, Impact of Master Netting Agreements | non-enforceable      
Disclosure of offsetting of financial assets [line items]      
Central bank funds sold and securities purchased under resale agreements 0 0  
Securities borrowed 0 0  
Financial assets at fair value through profit or loss 0 0  
of which: Positive market values from derivative financial instruments 0 0  
Loans at amortized cost 0 0  
Remaining assets not subject to netting 0 0  
Amounts not set off on the balance sheet, Impact of Master Netting Agreements | enforceable and non-enforceable      
Disclosure of offsetting of financial assets [line items]      
Financial assets at fair value through profit or loss (182,554) [1] (231,243) [2]  
Other (25,790) (24,750)  
Total assets (208,344) (255,993)  
Amounts not set off on the balance sheet, Cash collateral | enforceable      
Disclosure of offsetting of financial assets [line items]      
Central bank funds sold and securities purchased under resale agreements 0 0  
Securities borrowed 0 0  
Financial assets at fair value through profit or loss (34,862) (33,729)  
of which: Positive market values from derivative financial instruments (34,833) (33,689)  
Of which: positive market values from derivatives qualifying for hedge accounting (73) (52)  
Remaining assets subject to netting 0 0  
Amounts not set off on the balance sheet, Cash collateral | non-enforceable      
Disclosure of offsetting of financial assets [line items]      
Central bank funds sold and securities purchased under resale agreements 0 0  
Securities borrowed 0 0  
Financial assets at fair value through profit or loss (1,112) (1,303)  
of which: Positive market values from derivative financial instruments (991) (1,188)  
Loans at amortized cost (10,924) (10,836)  
Remaining assets not subject to netting (293) (623)  
Amounts not set off on the balance sheet, Cash collateral | enforceable and non-enforceable      
Disclosure of offsetting of financial assets [line items]      
Financial assets at fair value through profit or loss (35,974) [1] (35,032) [2]  
Other (75) (52)  
Total assets (47,265) (46,543)  
Amounts not set off on the balance sheet, Financial instrument collateral | enforceable      
Disclosure of offsetting of financial assets [line items]      
Central bank funds sold and securities purchased under resale agreements (36,518) [3] (39,831) [4]  
Securities borrowed (6) [3] (32) [4]  
Financial assets at fair value through profit or loss (118,239) [3] (108,134) [4]  
of which: Positive market values from derivative financial instruments (9,221) [3] (9,392) [4]  
Of which: positive market values from derivatives qualifying for hedge accounting (33) [3] (30) [4]  
Remaining assets subject to netting 0 [3] 0 [4]  
Amounts not set off on the balance sheet, Financial instrument collateral | non-enforceable      
Disclosure of offsetting of financial assets [line items]      
Central bank funds sold and securities purchased under resale agreements (858) [3] (749) [4]  
Securities borrowed 0 [3] 0 [4]  
Financial assets at fair value through profit or loss (4,223) [3] (6,993) [4]  
of which: Positive market values from derivative financial instruments (659) [3] (1,344) [4]  
Loans at amortized cost (77,530) [3] (72,983) [4]  
Remaining assets not subject to netting (1,908) [3] (4,438) [4]  
Amounts not set off on the balance sheet, Financial instrument collateral | enforceable and non-enforceable      
Disclosure of offsetting of financial assets [line items]      
Financial assets at fair value through profit or loss (122,462) [1],[3] (115,127) [2],[4]  
Other (33) [3] (30) [4]  
Total assets (239,315) [3] (233,190) [4]  
Net amount | enforceable      
Disclosure of offsetting of financial assets [line items]      
Central bank funds sold and securities purchased under resale agreements 0 223  
Securities borrowed 0 0  
Financial assets at fair value through profit or loss 8,407 9,882  
of which: Positive market values from derivative financial instruments 8,191 9,713  
Of which: positive market values from derivatives qualifying for hedge accounting 217 45  
Remaining assets subject to netting 1,128 2,786  
Net amount | non-enforceable      
Disclosure of offsetting of financial assets [line items]      
Central bank funds sold and securities purchased under resale agreements 133 0  
Securities borrowed 0 11  
Financial assets at fair value through profit or loss 170,563 154,611  
of which: Positive market values from derivative financial instruments 6,979 6,868  
Loans at amortized cost 389,761 400,078  
Remaining assets not subject to netting 233,696 211,369  
Net amount | enforceable and non-enforceable      
Disclosure of offsetting of financial assets [line items]      
Financial assets at fair value through profit or loss 178,970 [1] 164,494 [2]  
Other 141,262 76,346  
Total assets € 944,950 € 855,307  
[1] In accordance with Note 12 ‘Financial assets/liabilities at fair value through profit or loss’ the position is predominately comprised of trading securities (asset), trading
securities (liability), securities purchased and sold under resale agreements accounted at fair value through profit or loss as well as positive and negative market values
from derivative financial instruments
[2] In accordance with Note 12 ‘Financial assets/liabilities at fair value through profit or loss’ the position is predominately comprised of trading securities (asset), trading
securities (liability), securities purchased and sold under resale agreements accounted at fair value through profit or loss as well as positive and negative market values
from derivative financial instruments
[3] Excludes real estate and other non-financial instrument collateral.
[4] 1 Excludes real estate and other non-financial instrument collateral.