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Trade and other receivables - Net (impairment losses) reversals (Details) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Net (impairments) reversals of trade and other receivables      
New or increased provisions € (419) € (550) € (343)
Net credit losses (81) (66) (36)
Reversals 547 337 153
Net (impairments) reversals of trade and other receivables € 47 € (279) € (226)