Statement Of Financial Position [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — | — |
421,000,000
EUR
|
— | — | — | — | — | — | — | — |
514,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Goodwill | — | — |
5 105
EUR
|
— | — | — | — | — | — | — | — |
6 140
EUR
|
— | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — |
1 089
EUR
|
— | — | — | — | — | — | — | — |
1 391
EUR
|
— | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — |
4,000,000
EUR
|
— | — | — | — | — | — | — | — |
7,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — |
189,000,000
EUR
|
— | — | — | — | — | — | — | — |
351,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
3 372
EUR
|
— | — | — | — | — | — | — | — |
3 282
EUR
|
— | — | — | — | — | — | — | — | — |
| Assets | — | — |
16 819
EUR
|
— | — | — | — | — | — | — | — |
18 127
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — | — |
111,000,000
EUR
|
— | — | — | — | — | — | — | — |
110,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
4 437
EUR
|
— | — | — | — | — | — | — | — |
6 861
EUR
|
— | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — |
6,000,000
EUR
|
— | — | — | — | — | — | — | — |
10,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity |
5 790
EUR
|
1 498
EUR
|
4 444
EUR
|
4 437
EUR
|
6,000,000
EUR
|
2 962
EUR
|
111,000,000
EUR
|
10,000,000
EUR
|
1 476
EUR
|
6 861
EUR
|
110,000,000
EUR
|
6 871
EUR
|
550,000,000
EUR
|
4 724
EUR
|
7 075
EUR
|
12,000,000
EUR
|
1 441
EUR
|
7 087
EUR
|
2 126
EUR
|
3 399
EUR
|
109,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Deferred tax liabilities | — | — |
67,000,000
EUR
|
— | — | — | — | — | — | — | — |
164,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — |
477,000,000
EUR
|
— | — | — | — | — | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — |
16 819
EUR
|
— | — | — | — | — | — | — | — |
18 127
EUR
|
— | — | — | — | — | — | — | — | — |