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Note 15 Hedges affected by the IBOR reform (Details)
€ in Millions
Dec. 31, 2022
EUR (€)
Cash flow hedges [member]  
IBOR Indices [Line Items]  
LIBOR USD € 1,061
LIBOR GBP 0
Other indices 316
Total indices effect 1,377
Fair value hedges [member]  
IBOR Indices [Line Items]  
LIBOR USD 7,276
LIBOR GBP 369
Other indices 657
Total indices effect € 8,302