Leases - Summary of Impairment Charges for Lease Right-of-use Assets Explanatory (Details) - Right-of-use assets - EUR (€) € in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of attribution of expenses by nature to their function [line items] | ||
| Impairment charges for lease right-of-use assets | € 25 | € 74 |
| Cost of revenue | ||
| Disclosure of attribution of expenses by nature to their function [line items] | ||
| Impairment charges for lease right-of-use assets | 6 | 4 |
| Research and development | ||
| Disclosure of attribution of expenses by nature to their function [line items] | ||
| Impairment charges for lease right-of-use assets | 7 | 46 |
| Sales and marketing | ||
| Disclosure of attribution of expenses by nature to their function [line items] | ||
| Impairment charges for lease right-of-use assets | 8 | 13 |
| General and administrative | ||
| Disclosure of attribution of expenses by nature to their function [line items] | ||
| Impairment charges for lease right-of-use assets | € 4 | € 11 |