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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||
| Deferred tax assets | — |
2,340,000,000
EUR
|
— | — | — | — | — | — | — |
806,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — |
2 475,2
EUR
|
— | — | — | — | — | — | — |
2 328,3
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||
| Other current financial assets | — |
7,768,000,000
EUR
|
— | — | — | — | — | — | — |
7,386,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — |
1,451,000,000
EUR
|
— | — | — | — | — | — | — |
7,858,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets | — |
1 222,8
EUR
|
— | — | — | — | — | — | — |
1 804,8
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — |
3 698,0
EUR
|
— | — | — | — | — | — | — |
4 133,0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — |
754,000,000
EUR
|
— | — | — | — | — | — | — |
754,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
-
EUR
|
5,770,000,000
EUR
|
-
EUR
|
1,681,000,000
EUR
|
1 040,2
EUR
|
754,000,000
EUR
|
486,000,000
EUR
|
1 325,0
EUR
|
7,633,000,000
EUR
|
4,107,000,000
EUR
|
1,681,000,000
EUR
|
428,000,000
EUR
|
1 237,0
EUR
|
754,000,000
EUR
|
1,980,000,000
EUR
|
4,000,000,000
EUR
|
7,445,000,000
EUR
|
4,757,000,000
EUR
|
166,000,000
EUR
|
1,980,000,000
EUR
|
-
EUR
|
7,620,000,000
EUR
|
1,681,000,000
EUR
|
754,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||
| Non-current provisions for employee benefits | — |
8,000,000
EUR
|
— | — | — | — | — | — | — |
7,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — |
1 868,0
EUR
|
— | — | — | — | — | — | — |
2 373,5
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||
| Current provisions | — |
281,000,000
EUR
|
— | — | — | — | — | — | — |
717,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — |
1 253,1
EUR
|
— | — | — | — | — | — | — |
1 348,9
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — |
3 121,0
EUR
|
— | — | — | — | — | — | — |
3 722,4
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — |
3 698,0
EUR
|
— | — | — | — | — | — | — |
4 133,0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |