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 |
2024-01-01 to 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 |
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 |
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 |
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 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 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 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||
| Equity | — |
182,000,000
EUR
|
— | — |
3,038,000,000
EUR
|
— |
29,000,000
EUR
|
1,000,000
EUR
|
162,000,000
EUR
|
— | — |
3,085,000,000
EUR
|
— | — |
2,000,000
EUR
|
3,086,000,000
EUR
|
— |
2,804,000,000
EUR
|
125,000,000
EUR
|
— | — |
2,824,000,000
EUR
|
— | — |
-
EUR
|
— | — |
29,000,000
EUR
|
171,000,000
EUR
|
2,804,000,000
EUR
|
3,000,000
EUR
|
— |
2,580,000,000
EUR
|
102,000,000
EUR
|
-
EUR
|
2,567,000,000
EUR
|
29,000,000
EUR
|
117,000,000
EUR
|
2,580,000,000
EUR
|
1,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
182,000,000
EUR
|
— |
550,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — |
368,000,000
EUR
|
-
EUR
|
— |
550,000,000
EUR
|
-
EUR
|
— | — |
389,000,000
EUR
|
— | — |
125,000,000
EUR
|
389,000,000
EUR
|
— |
-
EUR
|
264,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — | — | — |
5,000,000
EUR
|
— | — | — |
63,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
182,000,000
EUR
|
— |
555,000,000
EUR
|
-
EUR
|
— |
9,000,000
EUR
|
— | — | — |
363,000,000
EUR
|
-
EUR
|
— |
555,000,000
EUR
|
1,000,000
EUR
|
— | — |
326,000,000
EUR
|
— | — |
125,000,000
EUR
|
326,000,000
EUR
|
— |
-
EUR
|
257,000,000
EUR
|
— |
54,000,000
EUR
|
-
EUR
|
— | — | — | — |
2,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
125,000,000
EUR
|
— |
124,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — |
1,000,000
EUR
|
-
EUR
|
— |
124,000,000
EUR
|
-
EUR
|
— | — |
101,000,000
EUR
|
— | — |
102,000,000
EUR
|
101,000,000
EUR
|
— |
-
EUR
|
1,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
-
EUR
|
— |
1,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — |
1,000,000
EUR
|
1,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
-
EUR
|
— |
3,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — |
3,000,000
EUR
|
-
EUR
|
— |
3,000,000
EUR
|
-
EUR
|
— | — |
2,000,000
EUR
|
— | — |
-
EUR
|
2,000,000
EUR
|
— |
-
EUR
|
2,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — |