Analysis Of Income And Expense [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||
| Revenue [abstract] | ||||||||||||
| Interest income | — |
56,000,000
EUR
|
— | — | — | — | — |
70,000,000
EUR
|
— | — | — | — |
| Revenue | — |
14,179,000
EUR
|
— | — | — | — | — |
14,377,000
EUR
|
— | — | — | — |
| Material income and expense [abstract] | ||||||||||||
| Research and development expense | — |
392,000,000
EUR
|
— | — | — | — | — |
374,000,000
EUR
|
— | — | — | — |
| Finance income (cost) | — |
114,000,000
EUR
|
— | — | — | — | — |
113,000,000
EUR
|
— | — | — | — |
| Other finance income (cost) | — |
23,000,000
EUR
|
— | — | — | — | — |
4,000,000
EUR
|
— | — | — | — |
| Interest expense | — |
145,000,000
EUR
|
— | — | — | — | — |
160,000,000
EUR
|
— | — | — | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||||||
| Other comprehensive income, attributable to owners of parent | — |
336,000,000
EUR
|
— | — | — | — | — |
248,000,000
EUR
|
— | — | — | — |
| Other comprehensive income, attributable to non-controlling interests | — |
–
EUR
|
— | — | — | — | — |
3,000,000
EUR
|
— | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — |
4,000,000
EUR
|
— | — | — | — | — |
20,000,000
EUR
|
— | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income |
6,000,000
EUR
|
64,000,000
EUR
|
5,000,000
EUR
|
184,000,000
EUR
|
119,000,000
EUR
|
70,000,000
EUR
|
258,000,000
EUR
|
453,000,000
EUR
|
7,000,000
EUR
|
–
EUR
|
188,000,000
EUR
|
446,000,000
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent | — |
70,000,000
EUR
|
— | — | — | — | — |
446,000,000
EUR
|
— | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to non-controlling interests | — |
6,000,000
EUR
|
— | — | — | — | — |
7,000,000
EUR
|
— | — | — | — |