Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
2022-01-01 to 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 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — | — |
24,168,000,000
EUR
|
2,697,000,000
EUR
|
— |
6,739,000,000
EUR
|
— |
1,987,000,000
EUR
|
3,000,000
EUR
|
12,192,000,000
EUR
|
866,000,000
EUR
|
24,165,000,000
EUR
|
315,000,000
EUR
|
— |
22,814,000,000
EUR
|
— |
1,868,000,000
EUR
|
842,000,000
EUR
|
1,868,000,000
EUR
|
6,375,000,000
EUR
|
1,985,000,000
EUR
|
164,000,000
EUR
|
164,000,000
EUR
|
6,211,000,000
EUR
|
1,985,000,000
EUR
|
164,000,000
EUR
|
842,000,000
EUR
|
12,529,000,000
EUR
|
2,000,000
EUR
|
898,000,000
EUR
|
22,812,000,000
EUR
|
— |
22,650,000,000
EUR
|
2,000,000
EUR
|
12,529,000,000
EUR
|
898,000,000
EUR
|
— | — |
22,648,000,000
EUR
|
1,231,000,000
EUR
|
21,999,000,000
EUR
|
6,093,000,000
EUR
|
1,987,000,000
EUR
|
1,227,000,000
EUR
|
21,994,000,000
EUR
|
5,000,000
EUR
|
12,970,000,000
EUR
|
940,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
2,697,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,867,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
3,224,000,000
EUR
|
2,697,000,000
EUR
|
— | — |
3,224,000,000
EUR
|
— | — | — | — | — | — | — | — |
527,000,000
EUR
|
— |
2,252,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
385,000,000
EUR
|
— | — | — | — |
1,868,000,000
EUR
|
2,253,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Issue of equity |
2,000,000
EUR
|
— | — | — |
2,000,000
EUR
|
— |
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |