Statement Of Changes In Equity [Abstract]
| Concept |
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 |
2024-01-01 to 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 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
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 |
2023-01-01 to 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 |
2023-01-01 to 2023-12-31 |
As at 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 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 | — | — |
2 435,2
EUR
|
101,000,000
EUR
|
984,000,000
EUR
|
—
EUR
|
— | — | — |
2 250,9
EUR
|
— | — |
1,483,000,000
EUR
|
2 250,9
EUR
|
— |
4,411,000,000
EUR
|
4,366,000,000
EUR
|
— |
2 344,0
EUR
|
— |
2 518,9
EUR
|
— | — | — |
—
EUR
|
101,000,000
EUR
|
— |
984,000,000
EUR
|
2 344,0
EUR
|
— |
1,532,000,000
EUR
|
— |
3,728,000,000
EUR
|
—
EUR
|
1 775,6
EUR
|
1 864,8
EUR
|
101,000,000
EUR
|
984,000,000
EUR
|
1,751,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
EUR
|
EUR
|
— | — | — | — |
1,065,000,000
EUR
|
—
EUR
|
1,065,000,000
EUR
|
— |
1,065,000,000
EUR
|
EUR
|
— | — |
EUR
|
— | — |
6,765,000,000
EUR
|
— |
EUR
|
— |
—
EUR
|
6,765,000,000
EUR
|
EUR
|
— | — |
EUR
|
— | — |
6,765,000,000
EUR
|
— |
EUR
|
— | — | — | — | — | — | — |
| Comprehensive income | — | — | — | — | — | — | — | — |
971,000,000
EUR
|
— | — | — | — | — | — | — | — |
5,908,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
EUR
|
EUR
|
— | — | — | — |
1,000,000
EUR
|
—
EUR
|
— | — |
1,000,000
EUR
|
EUR
|
— | — |
EUR
|
— | — | — | — |
EUR
|
— |
—
EUR
|
1,000,000
EUR
|
EUR
|
— | — |
EUR
|
— | — |
1,000,000
EUR
|
— |
EUR
|
— | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
EUR
|
EUR
|
— | — | — | — |
27,000,000
EUR
|
—
EUR
|
— | — |
27,000,000
EUR
|
EUR
|
— | — |
EUR
|
— | — | — | — |
EUR
|
— |
—
EUR
|
32,000,000
EUR
|
EUR
|
— | — |
EUR
|
— | — |
32,000,000
EUR
|
— |
EUR
|
— | — | — | — | — | — | — |