Segment information (Primary segment) - Narrative (Details) - EUR (€) € in Millions	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Operating segments
Restructuring costs	€ (935)	€ (1,490)
Provision for restructuring \| United Kingdom and Portugal \| Adjustments
Operating segments
Restructuring costs		€ (530)

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