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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||
| Property, plant and equipment | — | — | — |
1,634,000,000
EUR
|
— | — | — | — | — |
240,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Investment property | — | — | — |
591,000,000
EUR
|
— | — | — | — | — |
580,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Goodwill | — | — | — |
2,289,000,000
EUR
|
— | — | — | — | — |
2,185,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
401,000,000
EUR
|
— | — | — | — | — |
231,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — |
89,000,000
EUR
|
— | — | — | — | — |
286,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Non-current assets | — | — | — |
8,548,000,000
EUR
|
— | — | — | — | — |
7,376,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||
| Trade and other current receivables | — | — | — |
8,069,000,000
EUR
|
— | — | — | — | — |
7,853,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — |
32,000,000
EUR
|
— | — | — | — | — |
173,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
6,534,000,000
EUR
|
— | — | — | — | — |
5,592,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Current assets | — | — | — |
2 942,4
EUR
|
— | — | — | — | — |
3 015,8
EUR
|
— | — | — | — | — | — | — | — |
| Assets | — | — | — |
3 797,2
EUR
|
— | — | — | — | — |
3 753,4
EUR
|
— | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — | — | — |
26,000,000
EUR
|
— | — | — | — | — |
26,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
7,171,000,000
EUR
|
— | — | — | — | — |
7,765,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — |
339,000,000
EUR
|
— | — | — | — | — |
306,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity |
7,171,000,000
EUR
|
6,383,000,000
EUR
|
763,000,000
EUR
|
7,510,000,000
EUR
|
26,000,000
EUR
|
339,000,000
EUR
|
26,000,000
EUR
|
6,978,000,000
EUR
|
763,000,000
EUR
|
8,071,000,000
EUR
|
7,765,000,000
EUR
|
306,000,000
EUR
|
1 145,0
EUR
|
1 021,0
EUR
|
450,000,000
EUR
|
26,000,000
EUR
|
1 100,0
EUR
|
763,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||
| Non-current provisions | — | — | — |
489,000,000
EUR
|
— | — | — | — | — |
562,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — |
12,000,000
EUR
|
— | — | — | — | — |
10,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — |
5,297,000,000
EUR
|
— | — | — | — | — |
7,862,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||
| Trade and other current payables | — | — | — |
1 734,3
EUR
|
— | — | — | — | — |
1 564,1
EUR
|
— | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — |
12,000,000
EUR
|
— | — | — | — | — |
4,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Current liabilities | — | — | — |
2 516,5
EUR
|
— | — | — | — | — |
2 160,0
EUR
|
— | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
3 797,2
EUR
|
— | — | — | — | — |
3 753,4
EUR
|
— | — | — | — | — | — | — | — |