XML 149 R112.htm IDEA: XBRL DOCUMENT v3.19.1
Other Non-current Assets - Additional Information (Detail)
Dec. 31, 2018
EUR (€)
Miscellaneous non-current assets [abstract]  
Contingent liabilities incurred in relation to interests in joint ventures € 0
Contingent liabilities incurred in relation to interests in associates 0
Capital commitments to joint ventures € 0