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 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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||||||||||||||||||
| Investments accounted for using equity method | — |
564,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
593,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — |
399,113,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
395,623,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||
| Issued capital | — |
940,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
940,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — |
12,970,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
12,970,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — |
21,994,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
20,989,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — |
5,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
6,093,000,000
EUR
|
21,999,000,000
EUR
|
51,000,000
EUR
|
1,987,000,000
EUR
|
1,231,000,000
EUR
|
1,540,000,000
EUR
|
1,227,000,000
EUR
|
239,000,000
EUR
|
9,000,000
EUR
|
6,000,000
EUR
|
21,994,000,000
EUR
|
12,970,000,000
EUR
|
5,000,000
EUR
|
38,000,000
EUR
|
940,000,000
EUR
|
1,854,000,000
EUR
|
20,989,000,000
EUR
|
940,000,000
EUR
|
45,000,000
EUR
|
36,000,000
EUR
|
6,870,000,000
EUR
|
1,733,000,000
EUR
|
24,000,000
EUR
|
24,000,000
EUR
|
29,000,000
EUR
|
12,970,000,000
EUR
|
1,987,000,000
EUR
|
20,989,000,000
EUR
|
162,000,000
EUR
|
21,471,000,000
EUR
|
20,000,000
EUR
|
81,000,000
EUR
|
2,046,000,000
EUR
|
21,471,000,000
EUR
|
32,000,000
EUR
|
1,987,000,000
EUR
|
12,970,000,000
EUR
|
177,000,000
EUR
|
4,947,000,000
EUR
|
41,000,000
EUR
|
1,419,000,000
EUR
|
1,648,000,000
EUR
|
940,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||
| Liabilities | — |
377,114,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
374,634,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — |
399,113,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
395,623,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |