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Positions or transactions deriving from atypical and/or unusual operations
 12 Months Ended
Dec. 31, 2018
Disclosure Of Positions Or Transactions Deriving From A typical And or Unusual Operations [Abstract]  
Disclosure Of Positions Or Transactions Deriving From A typical And or Unusual Operations [Text Block]
40 Positions or transactions deriving from atypical and/or unusual operations
 
In 2018,
2017 and 2016 no transactions deriving from atypical and/or unusual operations were reported.