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 |
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 |
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 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 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 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 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 |
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 |
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 | — | — |
3,472,900
EUR
|
— |
3,212,800
EUR
|
— | — | — |
160,000,000
EUR
|
— |
244,000,000
EUR
|
— |
1,600,000,000
EUR
|
1,259,000,000
EUR
|
885,000,000
EUR
|
3,456,900
EUR
|
223,000,000
EUR
|
— |
3,155,900
EUR
|
— | — | — | — | — | — |
127,000,000
EUR
|
244,000,000
EUR
|
2,933,900
EUR
|
1,341,000,000
EUR
|
1,600,000,000
EUR
|
1,050,000,000
EUR
|
3,143,200
EUR
|
— |
540,000,000
EUR
|
— | — |
2,950,800
EUR
|
2,785,200
EUR
|
244,000,000
EUR
|
237,000,000
EUR
|
2,808,900
EUR
|
474,000,000
EUR
|
237,000,000
EUR
|
1,600,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
2,974,900
EUR
|
39,000,000
EUR
|
237,000,000
EUR
|
1,600,000,000
EUR
|
-
EUR
|
39,000,000
EUR
|
2,974,500
EUR
|
4,000,000
EUR
|
325,000,000
EUR
|
244,000,000
EUR
|
474,000,000
EUR
|
4,000,000
EUR
|
325,000,000
EUR
|
2,951,200
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
5,103,000,000
EUR
|
-
EUR
|
— |
5,047,000,000
EUR
|
— |
56,000,000
EUR
|
5,047,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
3,328,000,000
EUR
|
3,327,000,000
EUR
|
1,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
3,327,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
121,000,000
EUR
|
-
EUR
|
— |
121,000,000
EUR
|
— |
-
EUR
|
13,000,000
EUR
|
-
EUR
|
— |
209,000,000
EUR
|
— |
-
EUR
|
— | — | — | — | — |
317,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
1,225,000,000
EUR
|
81,000,000
EUR
|
2,000,000
EUR
|
579,000,000
EUR
|
— | — | — | — | — | — | — |
1,223,000,000
EUR
|
— |
-
EUR
|
725,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
4,982,000,000
EUR
|
-
EUR
|
— |
4,926,000,000
EUR
|
— |
56,000,000
EUR
|
5,034,000,000
EUR
|
-
EUR
|
— |
209,000,000
EUR
|
— |
-
EUR
|
— | — | — | — | — |
317,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
4,553,000,000
EUR
|
3,246,000,000
EUR
|
3,000,000
EUR
|
579,000,000
EUR
|
— | — | — | — | — | — | — |
4,550,000,000
EUR
|
— |
-
EUR
|
725,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
1,607,000,000
EUR
|
-
EUR
|
— |
1,607,000,000
EUR
|
— |
-
EUR
|
1,607,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
1,138,000,000
EUR
|
1,138,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
1,138,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
201,000,000
EUR
|
-
EUR
|
— |
220,000,000
EUR
|
— |
19,000,000
EUR
|
220,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
212,000,000
EUR
|
212,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
212,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
603,000,000
EUR
|
603,000,000
EUR
|
— |
603,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — |
-
EUR
|
— |
-
EUR
|
867,000,000
EUR
|
867,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
867,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
6,000,000
EUR
|
-
EUR
|
— |
1,000,000
EUR
|
— |
5,000,000
EUR
|
1,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
30,000,000
EUR
|
73,000,000
EUR
|
103,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
73,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |