Statement Of Financial Position [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
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 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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||||||||||||||
| Investments accounted for using equity method |
333,000,000
EUR
|
— | — | — | — | — | — | — | — |
474,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
377,909,000,000
EUR
|
— | — | — | — | — | — | — | — |
379,581,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||||||||
| Issued capital |
866,000,000
EUR
|
— | — | — | — | — | — | — | — |
898,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
12,192,000,000
EUR
|
— | — | — | — | — | — | — | — |
12,529,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
24,165,000,000
EUR
|
— | — | — | — | — | — | — | — |
22,812,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
3,000,000
EUR
|
— | — | — | — | — | — | — | — |
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
24,168,000,000
EUR
|
2,697,000,000
EUR
|
6,739,000,000
EUR
|
3,000,000
EUR
|
1,987,000,000
EUR
|
12,192,000,000
EUR
|
866,000,000
EUR
|
24,165,000,000
EUR
|
315,000,000
EUR
|
22,814,000,000
EUR
|
1,868,000,000
EUR
|
842,000,000
EUR
|
1,868,000,000
EUR
|
6,375,000,000
EUR
|
1,985,000,000
EUR
|
164,000,000
EUR
|
164,000,000
EUR
|
6,211,000,000
EUR
|
1,985,000,000
EUR
|
164,000,000
EUR
|
842,000,000
EUR
|
12,529,000,000
EUR
|
2,000,000
EUR
|
898,000,000
EUR
|
22,812,000,000
EUR
|
22,650,000,000
EUR
|
2,000,000
EUR
|
12,529,000,000
EUR
|
898,000,000
EUR
|
22,648,000,000
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
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||
| Provisions [abstract] | |||||||||||||||||||||||||||||||||||||||
| Provisions |
742,000,000
EUR
|
— | — | — | — | — | — | — | — |
1,044,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities |
159,000,000
EUR
|
— | — | — | — | — | — | — | — |
22,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
353,741,000,000
EUR
|
— | — | — | — | — | — | — | — |
356,767,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
377,909,000,000
EUR
|
— | — | — | — | — | — | — | — |
379,581,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |