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 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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — | — | — | — |
4,921,000,000
EUR
|
4,641,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — | — | — | — | — |
4,837,000,000
EUR
|
4,116,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — | — | — | — | — |
5,241,000,000
EUR
|
5,170,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — | — | — | — | — |
1,332,000,000
EUR
|
1,222,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — | — | — | — |
397,000,000
EUR
|
273,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — | — | — | — |
698,000,000
EUR
|
508,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
404,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — | — | — | — |
2 138,2
EUR
|
1 941,3
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||
| Equity attributable to owners of parent | — | — | — | — | — | — | — | — | — | — |
4,648,000,000
EUR
|
4,965,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — | — | — | — |
245,000,000
EUR
|
318,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
735,000,000
EUR
|
4,180,000,000
EUR
|
307,000,000
EUR
|
245,000,000
EUR
|
243,000,000
EUR
|
7,000,000
EUR
|
4,648,000,000
EUR
|
651,000,000
EUR
|
1,000,000
EUR
|
328,000,000
EUR
|
4,893,000,000
EUR
|
5,283,000,000
EUR
|
1,285,000,000
EUR
|
1,098,000,000
EUR
|
318,000,000
EUR
|
4,585,000,000
EUR
|
307,000,000
EUR
|
356,000,000
EUR
|
8,000,000
EUR
|
4,965,000,000
EUR
|
3,000,000
EUR
|
247,000,000
EUR
|
5,085,000,000
EUR
|
963,000,000
EUR
|
361,000,000
EUR
|
4,586,000,000
EUR
|
208,000,000
EUR
|
1,249,000,000
EUR
|
6,000,000
EUR
|
304,000,000
EUR
|
667,000,000
EUR
|
4,724,000,000
EUR
|
13,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Provisions [abstract] | |||||||||||||||||||||||||||||||||
| Provisions | — | — | — | — | — | — | — | — | — | — |
24,000,000
EUR
|
22,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Insurance contracts issued that are liabilities | — | — | — | — | — | — | — | — | — | — |
285,000,000
EUR
|
251,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — | — | — | — | — |
349,000,000
EUR
|
412,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — | — | — | — | — |
1 648,9
EUR
|
1 413,0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — | — | — | — |
2 138,2
EUR
|
1 941,3
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |