Analysis Of Income And Expense [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||
| Revenue [abstract] | ||||||||||||||||
| Interest income | — | — | — | — | — | — |
64,000,000
EUR
|
— | — |
48,000,000
EUR
|
— | — | — | — | — | — |
| Revenue | — | — | — | — | — | — |
14,955,000
EUR
|
— | — |
12,199,000
EUR
|
— | — | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||
| Research and development expense | — | — | — | — | — | — |
464,000,000
EUR
|
— | — |
433,000,000
EUR
|
— | — | — | — | — | — |
| Finance income (cost) | — | — | — | — | — | — |
88,000,000
EUR
|
— | — |
135,000,000
EUR
|
— | — | — | — | — | — |
| Other finance income (cost) | — | — | — | — | — | — |
23,000,000
EUR
|
— | — |
12,000,000
EUR
|
— | — | — | — | — | — |
| Interest expense | — | — | — | — | — | — |
129,000,000
EUR
|
— | — |
171,000,000
EUR
|
— | — | — | — | — | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations | — | — | — | — | — | — |
527,000,000
EUR
|
— | — |
580,000,000
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 | — | — | — | — | — | — |
8,000,000
EUR
|
— | — |
15,000,000
EUR
|
— | — | — | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method, before tax [abstract] | ||||||||||||||||
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax | — | — | — | — | — | — |
3,000,000
EUR
|
— | — |
2,000,000
EUR
|
— | — | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income |
21,000,000
EUR
|
62,000,000
EUR
|
1,797,000
EUR
|
2,000,000
EUR
|
524,000,000
EUR
|
7 9
EUR
|
1,818,000
EUR
|
1,412,000
EUR
|
56,000,000
EUR
|
413,000,000
EUR
|
6,000,000
EUR
|
575,000,000
EUR
|
7,000,000
EUR
|
420,000,000
EUR
|
54,000,000
EUR
|
39,000,000
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — |
1,797,000
EUR
|
— | — |
420,000,000
EUR
|
— | — | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — |
21,000,000
EUR
|
— | — |
7,000,000
EUR
|
— | — | — | — | — | — |