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 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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — | — | — |
9,645,000,000
EUR
|
9,396,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — | — | — | — |
1,318,000,000
EUR
|
1,230,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — | — | — | — |
4,906,000,000
EUR
|
4,809,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — | — | — | — |
445,000,000
EUR
|
511,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — | — | — |
315,000,000
EUR
|
318,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — | — | — |
5,192,000,000
EUR
|
4,025,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,506,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — | — | — |
3 381,0
EUR
|
3 489,3
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — | — | — |
2,218,000,000
EUR
|
2,218,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — | — | — | — |
1 044,4
EUR
|
8,909,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — | — | — | — | — |
2,579,000,000
EUR
|
2,579,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — | — | — | — | — | — |
103,000,000
EUR
|
116,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — | — | — | — | — |
1,215,000,000
EUR
|
1,634,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — | — | — |
1 785,4
EUR
|
1 664,8
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — | — | — |
181,000,000
EUR
|
194,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
1 044,4
EUR
|
2,579,000,000
EUR
|
2,218,000,000
EUR
|
181,000,000
EUR
|
461,000,000
EUR
|
103,000,000
EUR
|
1 785,4
EUR
|
1,963,000,000
EUR
|
1,215,000,000
EUR
|
1 803,5
EUR
|
1 684,2
EUR
|
8,909,000,000
EUR
|
1,634,000,000
EUR
|
194,000,000
EUR
|
2,579,000,000
EUR
|
2,218,000,000
EUR
|
538,000,000
EUR
|
1,963,000,000
EUR
|
116,000,000
EUR
|
1 664,8
EUR
|
1 684,6
EUR
|
2,788,000,000
EUR
|
147,000,000
EUR
|
2,579,000,000
EUR
|
2,218,000,000
EUR
|
360,000,000
EUR
|
1,963,000,000
EUR
|
1 669,9
EUR
|
7,645,000,000
EUR
|
134,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — | — | — | — |
731,000,000
EUR
|
813,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — | — | — | — | — | — | — | — |
120,000,000
EUR
|
1,048,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — | — | — | — |
1 565,6
EUR
|
1 700,3
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — | — | — |
3 381,0
EUR
|
3 489,3
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |