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 |
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] | |||||||||||
| Revenue | — | — | — |
8,436,000,000
EUR
|
— | — |
6,712,000,000
EUR
|
— | — | — | — |
| Material income and expense [abstract] | |||||||||||
| Research and development expense | — | — | — |
59,000,000
EUR
|
— | — |
52,000,000
EUR
|
— | — | — | — |
| Finance income (cost) | — | — | — |
86,000,000
EUR
|
— | — |
101,000,000
EUR
|
— | — | — | — |
| Sales and marketing expense | — | — | — |
783,000,000
EUR
|
— | — |
752,000,000
EUR
|
— | — | — | — |
| Income tax relating to components of other comprehensive income [abstract] | |||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — | — | — |
2,000,000
EUR
|
— | — |
1,000,000
EUR
|
— | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | |||||||||||
| Comprehensive income |
3,000,000
EUR
|
4,000,000
EUR
|
101,000,000
EUR
|
101,000,000
EUR
|
103,000,000
EUR
|
217,000,000
EUR
|
138,000,000
EUR
|
80,000,000
EUR
|
4,000,000
EUR
|
134,000,000
EUR
|
3,000,000
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | |||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
101,000,000
EUR
|
— | — |
134,000,000
EUR
|
— | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | |||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — |
-
EUR
|
— | — |
4,000,000
EUR
|
— | — | — | — |