v3.26.1
Financial instruments carried at fair value - Financial instruments carried at fair value (Detail: Text Values)
€ in Billions
6 Months Ended
Jun. 30, 2026
EUR (€)
Financial Instruments carried at Fair Value [Abstract]  
Transfers out of Level 1 into Level 2 of fair value hierarchy, assets held at end of reporting period € 6.0
Transfers out of Level 1 into Level 2 of fair value hierarchy, liabilities held at end of reporting period 1.5
Transfers out of Level 2 into Level 1 of fair value hierarchy, assets held at end of reporting period 5.7
Transfers out of Level 2 into Level 1 of fair value hierarchy, liabilities held at end of reporting period € 2.2