Statement Of Financial Position [Abstract]
| Concept |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — | — | — |
140,000,000
EUR
|
— | — | — | — | — |
191,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — | — | — | — |
148,000,000
EUR
|
— | — | — | — | — |
285,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — | — | — | — |
716,000,000
EUR
|
— | — | — | — | — |
851,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — | — | — | — |
535,000,000
EUR
|
— | — | — | — | — |
632,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — | — | — |
45,000,000
EUR
|
— | — | — | — | — |
52,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — | — | — |
330,000,000
EUR
|
— | — | — | — | — |
65,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
291,000,000
EUR
|
— | — |
| Assets | — | — | — | — | — | — | — | — | — |
3 018
EUR
|
— | — | — | — | — |
3 210
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — | — | — |
2,000,000
EUR
|
— | — | — | — | — |
414,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — | — | — | — | — | — |
-
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — | — | — |
173,000,000
EUR
|
— | — | — | — | — |
36,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — | — | — |
-
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
579,000,000
EUR
|
-
EUR
|
173,000,000
EUR
|
2,000,000
EUR
|
500,000,000
EUR
|
-
EUR
|
456,000,000
EUR
|
61,000,000
EUR
|
643,000,000
EUR
|
173,000,000
EUR
|
36,000,000
EUR
|
-
EUR
|
114,000,000
EUR
|
339,000,000
EUR
|
-
EUR
|
36,000,000
EUR
|
426,000,000
EUR
|
500,000,000
EUR
|
-
EUR
|
414,000,000
EUR
|
75,000,000
EUR
|
372,000,000
EUR
|
-
EUR
|
271,000,000
EUR
|
1,000,000
EUR
|
158,000,000
EUR
|
500,000,000
EUR
|
272,000,000
EUR
|
414,000,000
EUR
|
38,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — | — | — | — |
15,000,000
EUR
|
— | — | — | — | — |
27,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — | — | — | — | — | — | — | — |
56,000,000
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — | — | — | — |
2 845
EUR
|
— | — | — | — | — |
3 173
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — | — | — |
3 018
EUR
|
— | — | — | — | — |
3 210
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |