XML 84 R77.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income tax payable (Tables)
12 Months Ended
Dec. 31, 2017
Disclosure Of Income Tax Explanatory [Abstract]  
Disclosure of detailed information about Income tax payable [Text Block]
(€ million)   December 31, 2017   December 31, 2016
Italian subsidiaries     174       97  
Non-Italian subsidiaires     298       329  
      472       426