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 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 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 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 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — |
3,238,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,136,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,968,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Investment property | — | — |
74,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
44,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
18,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — |
476,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
559,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
577,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
13,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,626,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — |
123,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
204,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
177,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
750,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
678,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
567,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — |
1,289,400
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,214,400
EUR
|
— | — | — | — | — | — | — | — | — |
1,329,300
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Issued capital | — | — |
499,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
499,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
499,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — |
1,720,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,702,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,566,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
5,593,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,965,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
3,921,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — |
286,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
159,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
94,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
1,720,000,000
EUR
|
1,904,000,000
EUR
|
5,879,000,000
EUR
|
3,000,000
EUR
|
1,483,000,000
EUR
|
12,000,000
EUR
|
5,593,000,000
EUR
|
286,000,000
EUR
|
22,000,000
EUR
|
499,000,000
EUR
|
1,702,000,000
EUR
|
159,000,000
EUR
|
6,000,000
EUR
|
1,904,000,000
EUR
|
3,965,000,000
EUR
|
499,000,000
EUR
|
2,000,000
EUR
|
136,000,000
EUR
|
4,124,000,000
EUR
|
4,036,000,000
EUR
|
499,000,000
EUR
|
94,000,000
EUR
|
3,942,000,000
EUR
|
3,921,000,000
EUR
|
26,000,000
EUR
|
94,000,000
EUR
|
14,000,000
EUR
|
1,904,000,000
EUR
|
4,015,000,000
EUR
|
14,000,000
EUR
|
21,000,000
EUR
|
21,000,000
EUR
|
1,566,000,000
EUR
|
21,000,000
EUR
|
8,000,000
EUR
|
8,000,000
EUR
|
1,904,000,000
EUR
|
499,000,000
EUR
|
26,000,000
EUR
|
1,587,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — |
122,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
77,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
79,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
30,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,486,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — |
1,289,400
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,214,400
EUR
|
— | — | — | — | — | — | — | — | — |
1,329,300
EUR
|
— | — | — | — | — | — | — | — | — | — | — |