Statement Of Changes In Equity [Abstract]
| Concept |
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 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||
| Equity |
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
|
— |
8 764,7
EUR
|
— |
48,000,000
EUR
|
3,379,000,000
EUR
|
— | — |
8 732,1
EUR
|
— |
3 378,4
EUR
|
858,000,000
EUR
|
326,000,000
EUR
|
— | — |
4 378,3
EUR
|
144,000,000
EUR
|
5 934,8
EUR
|
816,000,000
EUR
|
1,515,000,000
EUR
|
1 631,2
EUR
|
5 949,2
EUR
|
48,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — |
1 019,1
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
8,100,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — |
4,157,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,278,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
-
EUR
|
1 434,8
EUR
|
1 024,2
EUR
|
107,000,000
EUR
|
— | — | — | — |
-
EUR
|
— | — | — |
1 424,1
EUR
|
-
EUR
|
3,999,000,000
EUR
|
110,000,000
EUR
|
— |
1 326,8
EUR
|
— |
-
EUR
|
— | — |
4,894,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — |
1 337,8
EUR
|
8,374,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Issue of equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
-
EUR
|
— |
1 751,4
EUR
|
— |
1 747,2
EUR
|
— | — |
-
EUR
|
-
EUR
|
— |
42,000,000
EUR
|
— | — | — |
1 751,4
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
-
EUR
|
3,044,000,000
EUR
|
2,958,000,000
EUR
|
86,000,000
EUR
|
— | — | — | — |
-
EUR
|
— | — | — |
2,958,000,000
EUR
|
-
EUR
|
-
EUR
|
58,000,000
EUR
|
— |
2,384,000,000
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — |
2,442,000,000
EUR
|
2,384,000,000
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
|
3,000,000
EUR
|
— |
3,000,000
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
3,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
-
EUR
|
405,000,000
EUR
|
405,000,000
EUR
|
-
EUR
|
— | — | — | — |
-
EUR
|
— | — | — |
405,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— |
200,000,000
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — |
200,000,000
EUR
|
200,000,000
EUR
|
— | — | — | — | — | — | — | — |