Statement Of Changes In Equity [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||
| Equity | — |
909,000,000
EUR
|
— | — |
8,561,000,000
EUR
|
830,000,000
EUR
|
7, 3
EUR
|
1,188,000,000
EUR
|
— |
1 285,5
EUR
|
— | — |
3,743,000,000
EUR
|
1 292,8
EUR
|
— | — |
1 293,7
EUR
|
909,000,000
EUR
|
— | — |
8,631,000,000
EUR
|
— |
3,751,000,000
EUR
|
— |
33,000,000
EUR
|
830,000,000
EUR
|
1,217,000,000
EUR
|
1 290,4
EUR
|
1 251,9
EUR
|
909,000,000
EUR
|
37 3,9
EUR
|
54,000,000
EUR
|
823 ,2
EUR
|
1,245,000,000
EUR
|
830,000,000
EUR
|
1 246,5
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — |
3,584,000,000
EUR
|
— | — | — | — |
3,584,000,000
EUR
|
— |
20,000,000
EUR
|
3,564,000,000
EUR
|
— | — |
3,740,000,000
EUR
|
— | — | — |
3,752,000,000
EUR
|
— | — |
12,000,000
EUR
|
— |
3,752,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — |
8,000,000
EUR
|
23,000,000
EUR
|
— | — | — | — |
16,000,000
EUR
|
— |
0
EUR
|
23,000,000
EUR
|
— | — |
8,000,000
EUR
|
— | — | — |
8,000,000
EUR
|
12,000,000
EUR
|
— |
0
EUR
|
— |
4,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — |
8,000,000
EUR
|
3,560,000,000
EUR
|
— | — | — | — |
3,568,000,000
EUR
|
— |
19,000,000
EUR
|
3,541,000,000
EUR
|
— | — |
3,748,000,000
EUR
|
— | — | — |
3,760,000,000
EUR
|
12,000,000
EUR
|
— |
12,000,000
EUR
|
— |
3 74,8
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — |
3,612,000,000
EUR
|
— | — | — | — |
3,612,000,000
EUR
|
— |
1,000,000
EUR
|
3,613,000,000
EUR
|
— | — |
3,451,000,000
EUR
|
— | — | — |
3,448,000,000
EUR
|
— | — |
2,000,000
EUR
|
— |
3,448,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — | — |
33,000,000
EUR
|
— | — | — | — |
33,000,000
EUR
|
— |
1,000,000
EUR
|
3, 2
EUR
|
— | — |
9, 8
EUR
|
— | — | — |
9, 9
EUR
|
— | — |
1,000,000
EUR
|
— |
9, 9
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — | — |
60,000,000
EUR
|
— | — | — | — |
60,000,000
EUR
|
— |
60,000,000
EUR
|
0
EUR
|
— | — |
6,000,000
EUR
|
— | — | — | — | — | — |
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
29,000,000
EUR
|
— | — |
29,000,000
EUR
|
— | — | — | — | — | — | — |
29,000,000
EUR
|
— | — |
28,000,000
EUR
|
28,000,000
EUR
|
— | — |
28,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |