Statement Of Changes In Equity [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||
| Statement of changes in equity [line items] | |||||||||||
| Increase (decrease) through exercise of options, equity |
42,000,000
EUR
|
343,000,000
EUR
|
25,000,000
EUR
|
276,000,000
EUR
|
— |
301,000,000
EUR
|
— | — | — | — | — |
| Cancellation of treasury shares | — |
—
EUR
|
34,000,000
EUR
|
1,147,000,000
EUR
|
1,181,000,000
EUR
|
—
EUR
|
7,000,000
EUR
|
—
EUR
|
182,000,000
EUR
|
175,000,000
EUR
|
—
EUR
|