XML 166 R121.htm IDEA: XBRL DOCUMENT v3.10.0.1
Inventories - Inventories (Detail) - EUR (€)
€ in Millions
Dec. 31, 2018
Dec. 31, 2017
Inventories [Abstract]    
Current raw materials and current production supplies € 876 € 715
Current work in progress 366 358
Current finished goods 1,432 1,280
Total current inventories € 2,674 € 2,353