XML 167 R162.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Related party transactions - GLT (Details) - Group Leadership Team - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Related party transactions      
Short-term benefits € 24 € 23 € 22
Post-employment benefits 1 1 1
Share-based payment 8 6 7
Termination benefits   5 4
Total € 33 € 35 € 34