XML 198 R191.htm IDEA: XBRL DOCUMENT v3.8.0.1
Deferred tax liabilities (Details)
€ in Millions
12 Months Ended
Dec. 31, 2017
EUR (€)
Disclosure Of Deferred Tax Liabilities [Abstract]  
Amount at December 31, 2016 € 6,667
Additions 1,171
Deductions (835)
Currency translation differences (1,123)
Other changes 20
Amount at December 31, 2017 € 5,900