Statement Of Financial Position [Abstract]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — |
4,019,000,000
EUR
|
3,890,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — |
4,096,000,000
EUR
|
3,915,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — |
2 313,0
EUR
|
2 127,4
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — |
4,644,000,000
EUR
|
3,600,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — |
1,319,000,000
EUR
|
1,366,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
1 204,2
EUR
|
1 173,9
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — |
7 194,9
EUR
|
6 644,4
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — | — | — | — | — | — |
545,000,000
EUR
|
545,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — |
1 971,7
EUR
|
1 936,1
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — |
641,000,000
EUR
|
577,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
2,127,000,000
EUR
|
545,000,000
EUR
|
641,000,000
EUR
|
3,900,000,000
EUR
|
1 971,7
EUR
|
2 158,6
EUR
|
2 035,8
EUR
|
1 993,8
EUR
|
577,000,000
EUR
|
2,178,000,000
EUR
|
2 121,4
EUR
|
545,000,000
EUR
|
3,999,000,000
EUR
|
1 936,1
EUR
|
1 928,0
EUR
|
659,000,000
EUR
|
1 966,2
EUR
|
2,122,000,000
EUR
|
543,000,000
EUR
|
3,047,000,000
EUR
|
1 862,1
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — |
1,026,000,000
EUR
|
850,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — | — | — | — | — |
338,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — |
7 194,9
EUR
|
6 644,4
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |