Statement Of Financial Position [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||
| Investments accounted for using equity method |
474,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
564,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
379,581,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
399,113,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||
| Issued capital |
898,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
940,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
12,529,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
12,970,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
22,812,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
21,994,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
5,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
22,814,000,000
EUR
|
1,868,000,000
EUR
|
6,375,000,000
EUR
|
1,985,000,000
EUR
|
842,000,000
EUR
|
12,529,000,000
EUR
|
2,000,000
EUR
|
898,000,000
EUR
|
22,812,000,000
EUR
|
1,231,000,000
EUR
|
21,999,000,000
EUR
|
6,093,000,000
EUR
|
1,987,000,000
EUR
|
1,227,000,000
EUR
|
21,994,000,000
EUR
|
12,970,000,000
EUR
|
5,000,000
EUR
|
940,000,000
EUR
|
20,989,000,000
EUR
|
940,000,000
EUR
|
1,733,000,000
EUR
|
45,000,000
EUR
|
12,970,000,000
EUR
|
1,987,000,000
EUR
|
6,870,000,000
EUR
|
20,989,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||
| Provisions [abstract] | ||||||||||||||||||||||||||
| Provisions |
1,044,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,201,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
356,767,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
377,114,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
379,581,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
399,113,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |