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 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
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 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — |
9,407,623,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
9,110,760,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — | — |
110,663,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
133,425,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — | — |
349,257,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
332,155,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements | — | — | — | — | — | — | — |
145,748,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
138,103,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — |
49,203,000
EUR
|
— | — | — | — | — | — | — |
44,635,000
EUR
|
— | — | — | — | — | — | — | — | — |
44,635,000
EUR
|
— | — | — | — | — | — | — | — | — |
39,347,000
EUR
|
— | — | — | — |
| Assets | — | — | — | — | — | — | — |
12,054,202,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
11,838,629,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Equity attributable to owners of parent | — | — | — | — | — | — | — |
6,151,179,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,887,804,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — |
722,753,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
680,205,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
5,325,505,000
EUR
|
722,753,000
EUR
|
79,768,000
EUR
|
6,151,179,000
EUR
|
347,416,000
EUR
|
388,753,000
EUR
|
15,241,000
EUR
|
6,873,932,000
EUR
|
954,327,000
EUR
|
7,694,000
EUR
|
388,655,000
EUR
|
3,165,000
EUR
|
347,416,000
EUR
|
4,933,750,000
EUR
|
49,497,000
EUR
|
6,568,010,000
EUR
|
954,327,000
EUR
|
680,205,000
EUR
|
11,694,000
EUR
|
5,887,804,000
EUR
|
5,887,804,000
EUR
|
680,205,000
EUR
|
388,655,000
EUR
|
11,694,000
EUR
|
954,327,000
EUR
|
6,568,010,000
EUR
|
4,933,750,000
EUR
|
3,165,000
EUR
|
49,497,000
EUR
|
347,416,000
EUR
|
228,370,000
EUR
|
954,327,000
EUR
|
284,760,000
EUR
|
347,416,000
EUR
|
4,525,411,000
EUR
|
5,941,023,000
EUR
|
1,280,000
EUR
|
635,726,000
EUR
|
5,305,296,000
EUR
|
7,447,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — | — |
797,055,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
757,299,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — |
12,054,202,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
11,838,629,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |