XML 148 R124.htm IDEA: XBRL DOCUMENT v3.20.4
Related Party Transaction - Summary of Related Party Transactions (Details) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Key management compensation      
Short term employee benefits € 5 € 5 € 4
Share-based compensation 30 22 19
Termination benefits 0 0 1
Total key management compensation € 35 € 27 € 24