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Restricted cash and other non-current assets - Summary of Restricted Cash and Other Non-current Assets (Details) - EUR (€)
€ in Millions
Dec. 31, 2020
Dec. 31, 2019
Restricted cash    
Lease deposits and guarantees € 48 € 54
Other 1 1
Other non-current assets 29 14
Restricted cash and other non-current assets € 78 € 69