Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 |
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 |
As at 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 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 |
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 |
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 |
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 |
1,978,000,000
EUR
|
— | — |
32,000,000
EUR
|
— |
19,206,000,000
EUR
|
2,701,000,000
EUR
|
989,000,000
EUR
|
— |
8,000,000
EUR
|
922,000,000
EUR
|
2,821,000,000
EUR
|
4,297,000,000
EUR
|
— | — | — |
19,581,000,000
EUR
|
— | — |
100,000,000
EUR
|
22,402,000,000
EUR
|
— | — |
22,789,000,000
EUR
|
— | — |
71,000,000
EUR
|
19,074,000,000
EUR
|
7,000,000
EUR
|
966,000,000
EUR
|
— | — | — |
2,733,000,000
EUR
|
— |
2,701,000,000
EUR
|
922,000,000
EUR
|
3,705,000,000
EUR
|
20,056,000,000
EUR
|
14,000,000
EUR
|
— |
1,980,000,000
EUR
|
1,242,000,000
EUR
|
21,920,000,000
EUR
|
70,000,000
EUR
|
47,000,000
EUR
|
40,000,000
EUR
|
70,000,000
EUR
|
9,000,000
EUR
|
60,000,000
EUR
|
60,000,000
EUR
|
40,000,000
EUR
|
40,000,000
EUR
|
2,369,000,000
EUR
|
2,701,000,000
EUR
|
18,351,000,000
EUR
|
922,000,000
EUR
|
3,619,000,000
EUR
|
19,551,000,000
EUR
|
21,960,000,000
EUR
|
2,369,000,000
EUR
|
2,701,000,000
EUR
|
922,000,000
EUR
|
18,391,000,000
EUR
|
1,242,000,000
EUR
|
47,000,000
EUR
|
9,000,000
EUR
|
3,619,000,000
EUR
|
19,591,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
8,000,000
EUR
|
— | — |
978,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
986,000,000
EUR
|
183,000,000
EUR
|
— |
1,161,000,000
EUR
|
— | — | — |
204,000,000
EUR
|
2,401,000,000
EUR
|
— |
2,304,000,000
EUR
|
— | — | — | — | — | — |
97,000,000
EUR
|
2,100,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — |
103,000,000
EUR
|
— |
472,000,000
EUR
|
— | — | — |
592,000,000
EUR
|
— | — | — | — |
1,000,000
EUR
|
67,000,000
EUR
|
97,000,000
EUR
|
— |
375,000,000
EUR
|
157,000,000
EUR
|
— | — | — |
459,000,000
EUR
|
— |
272,000,000
EUR
|
1,000,000
EUR
|
— | — | — | — |
2,000,000
EUR
|
187,000,000
EUR
|
66,000,000
EUR
|
— |
86,000,000
EUR
|
— | — | — | — | — |
123,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
8,000,000
EUR
|
103,000,000
EUR
|
— |
506,000,000
EUR
|
— | — | — |
592,000,000
EUR
|
— | — | — | — |
1,000,000
EUR
|
1,053,000,000
EUR
|
280,000,000
EUR
|
— |
786,000,000
EUR
|
157,000,000
EUR
|
— | — |
204,000,000
EUR
|
1,942,000,000
EUR
|
— |
2,032,000,000
EUR
|
1,000,000
EUR
|
— | — | — | — |
2,000,000
EUR
|
90,000,000
EUR
|
2,034,000,000
EUR
|
— |
86,000,000
EUR
|
— | — | — | — | — |
123,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — | — |
969,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
969,000,000
EUR
|
237,000,000
EUR
|
— |
1,206,000,000
EUR
|
— | — | — | — |
1,350,000,000
EUR
|
— |
1,080,000,000
EUR
|
— | — | — | — | — | — |
270,000,000
EUR
|
1,080,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
6,000,000
EUR
|
— | — |
—
EUR
|
— | — | — | — | — | — | — | — | — |
6,000,000
EUR
|
— | — |
—
EUR
|
— | — | — |
534,000,000
EUR
|
—
EUR
|
— |
—
EUR
|
— | — | — | — | — | — | — |
534,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — |
18,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
18,000,000
EUR
|
— | — |
18,000,000
EUR
|
— | — | — | — |
2,000,000
EUR
|
— |
2,000,000
EUR
|
— | — | — | — | — | — | — |
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |