Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 |
2022-01-01 to 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||
| Equity | — |
10 046,1
EUR
|
— |
6 171,5
EUR
|
— | — | — |
322,000,000
EUR
|
— |
3 378,4
EUR
|
— |
858,000,000
EUR
|
3,830,000,000
EUR
|
10 013,9
EUR
|
48,000,000
EUR
|
— |
9 864,6
EUR
|
— | — | — | — |
344,000,000
EUR
|
3 378,4
EUR
|
5 633,0
EUR
|
858,000,000
EUR
|
— |
7,378,000,000
EUR
|
9 830,2
EUR
|
48,000,000
EUR
|
— | — | — |
4 934,8
EUR
|
858,000,000
EUR
|
8 764,7
EUR
|
48,000,000
EUR
|
8 732,1
EUR
|
326,000,000
EUR
|
3,379,000,000
EUR
|
3 378,4
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
8,718,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 019,1
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
3,637,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
4,157,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
5,081,000,000
EUR
|
— |
4,973,000,000
EUR
|
— |
108,000,000
EUR
|
8,521,000,000
EUR
|
-
EUR
|
— |
3,548,000,000
EUR
|
— |
-
EUR
|
— | — | — | — |
-
EUR
|
— |
-
EUR
|
1 434,8
EUR
|
1 024,2
EUR
|
107,000,000
EUR
|
— | — | — | — |
-
EUR
|
— | — | — |
1 424,1
EUR
|
-
EUR
|
3,999,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
3,358,000,000
EUR
|
— |
3,228,000,000
EUR
|
— |
130,000,000
EUR
|
3,228,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — |
-
EUR
|
— |
-
EUR
|
3,044,000,000
EUR
|
2,958,000,000
EUR
|
86,000,000
EUR
|
— | — | — | — |
-
EUR
|
— | — | — |
2,958,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
-
EUR
|
-
EUR
|
3,000,000
EUR
|
3,000,000
EUR
|
— | — | — | — |
-
EUR
|
— | — | — |
3,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
563,000,000
EUR
|
— |
563,000,000
EUR
|
— |
-
EUR
|
563,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — |
-
EUR
|
— |
-
EUR
|
405,000,000
EUR
|
405,000,000
EUR
|
-
EUR
|
— | — | — | — |
-
EUR
|
— | — | — |
405,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — |