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 |
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 |
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 |
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 |
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 | — |
9,180,000,000
EUR
|
— | — |
9,182,000,000
EUR
|
— |
922,000,000
EUR
|
106,000,000
EUR
|
248,000,000
EUR
|
— | — | — |
53,000,000
EUR
|
1 005,0
EUR
|
— |
246,000,000
EUR
|
209,000,000
EUR
|
— | — | — |
8,901,000,000
EUR
|
8,029,000,000
EUR
|
— |
8,100,000,000
EUR
|
— | — | — |
922,000,000
EUR
|
98,000,000
EUR
|
280,000,000
EUR
|
46,000,000
EUR
|
— |
9,081,000,000
EUR
|
371,000,000
EUR
|
8,233,000,000
EUR
|
8,211,000,000
EUR
|
348,000,000
EUR
|
922,000,000
EUR
|
108,000,000
EUR
|
33,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
0
EUR
|
— |
3,299,000,000
EUR
|
0
EUR
|
— |
0
EUR
|
— | — | — |
3,299,000,000
EUR
|
3,299,000,000
EUR
|
0
EUR
|
— | — |
0
EUR
|
— | — |
2,168,000,000
EUR
|
0
EUR
|
0
EUR
|
— | — |
2,168,000,000
EUR
|
— |
2,168,000,000
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — |
40,000,000
EUR
|
— | — | — | — | — | — |
165,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — | — | — | — | — | — | — | — |
3,339,000,000
EUR
|
— | — | — | — | — | — |
2,003,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
0
EUR
|
— |
2,280,000,000
EUR
|
0
EUR
|
— |
0
EUR
|
— | — | — |
2,280,000,000
EUR
|
2,280,000,000
EUR
|
0
EUR
|
— | — |
0
EUR
|
— | — |
2,249,000,000
EUR
|
0
EUR
|
0
EUR
|
— | — |
2,249,000,000
EUR
|
— |
2,249,000,000
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
0
EUR
|
— |
1,000,000
EUR
|
0
EUR
|
— |
0
EUR
|
— | — | — |
1,000,000
EUR
|
6,000,000
EUR
|
7,000,000
EUR
|
— | — |
0
EUR
|
— | — |
0
EUR
|
0
EUR
|
0
EUR
|
— | — |
13,000,000
EUR
|
— |
13,000,000
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — |
13,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
32,000,000
EUR
|
— |
84,000,000
EUR
|
0
EUR
|
— |
0
EUR
|
— | — | — |
53,000,000
EUR
|
84,000,000
EUR
|
0
EUR
|
— | — |
0
EUR
|
— | — |
66,000,000
EUR
|
68,000,000
EUR
|
0
EUR
|
— | — |
66,000,000
EUR
|
— |
2,000,000
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — |