Financial Instruments Carried at Fair Value - Carrying Value of The Financial Instruments held at Fair Value (Detail: Text Values) - Quoted
prices in
active market
(Level 1) € in Billions |
12 Months Ended |
|---|---|
|
Dec. 31, 2025
EUR (€)
| |
| Carrying Value of The Financial Instruments held at Fair Value [Line Items] | |
| Net move from Level 1 to Level 2 of Trading Assets due to liquidity testing procedures refinement | € 2.4 |
| Net move from Level 1 to Level 2 of Trading Liabilities due to liquidity testing procedures refinement | 0.8 |
| Net move from Level 2 to Level 1 of Trading Assets due to liquidity testing procedures refinement | 8.4 |
| Net move from Level 2 to Level 1 of Trading Liabilities due to liquidity testing procedures refinement | € 1.5 |