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Restricted cash and other non-current assets
12 Months Ended
Dec. 31, 2021
Disclosure Of Restricted Cash And Other Non Current Assets [Abstract]  
Restricted cash and other non-current assets Restricted cash and other non-current assets
20212020
(in € millions)
Restricted cash
Lease deposits and guarantees51 48 
Other
Other non-current assets25 29 
Total77 78