Statement Of Changes In Equity [Abstract]
| Concept |
2024-01-01 to 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 |
As at 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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||
| Equity | — |
2,000,000
EUR
|
1 161,0
EUR
|
— |
1 601,4
EUR
|
— |
4,400,000,000
EUR
|
— |
1,000,000
EUR
|
1 601,4
EUR
|
— |
1 599,0
EUR
|
1 162,6
EUR
|
— | — |
1,000,000
EUR
|
3,000,000
EUR
|
4,367,000,000
EUR
|
1 599,0
EUR
|
1 691,5
EUR
|
5,335,000,000
EUR
|
1,000,000
EUR
|
1 153,1
EUR
|
50,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||
| Profit (loss) |
1,649,000,000
EUR
|
— | — |
0
EUR
|
— |
1,649,000,000
EUR
|
— | — | — | — |
1,605,000,000
EUR
|
— | — |
2,000,000
EUR
|
1,607,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Issue of equity |
1,000,000
EUR
|
— | — |
EUR
|
— |
32,000,000
EUR
|
— |
34,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
1,656,000,000
EUR
|
— | — | — | — |
1,656,000,000
EUR
|
— | — | — | — |
1,500,000,000
EUR
|
— | — | — |
1,500,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
9,000,000
EUR
|
— | — | — | — |
9,000,000
EUR
|
— | — | — | — |
12,000,000
EUR
|
— | — | — |
12,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
30,000,000
EUR
|
— | — |
5,000,000
EUR
|
— |
25,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
14,000,000
EUR
|
— | — |
EUR
|
— |
14,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |