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 |
As at 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 |
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 |
2021-01-01 to 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 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 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 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||
| Equity |
4,033,000,000
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
244,000,000
EUR
|
3 ,1
EUR
|
— |
7, 8
EUR
|
4,033,000,000
EUR
|
27,000,000
EUR
|
— | — |
380 ,8
EUR
|
— | — | — |
10 ,9
EUR
|
3 ,1
EUR
|
— |
390, 6
EUR
|
6,000,000
EUR
|
— | — | — | — |
3,859,000,000
EUR
|
390 ,6
EUR
|
-
EUR
|
87,000,000
EUR
|
-
EUR
|
— | — | — |
25, 1
EUR
|
18,000,000
EUR
|
5,155,000,000
EUR
|
0
EUR
|
9 ,1
EUR
|
24,000,000
EUR
|
517 ,3
EUR
|
497 ,5
EUR
|
0 ,3
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — |
13, 1
EUR
|
13, 1
EUR
|
— | — | — | — | — | — | — | — | — |
13, 1
EUR
|
— | — | — | — | — | — | — |
188,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
188,000,000
EUR
|
188,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — |
62,000,000
EUR
|
19,000,000
EUR
|
— | — | — | — | — |
33,000,000
EUR
|
— | — | — |
62,000,000
EUR
|
— | — | — |
0, 9
EUR
|
— | — | — |
87,000,000
EUR
|
— | — | — |
0, 4
EUR
|
— |
3,000,000
EUR
|
— | — | — | — | — | — |
87,000,000
EUR
|
8 ,6
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
-
EUR
|
19 ,3
EUR
|
15, 1
EUR
|
-
EUR
|
— | — | — | — |
33,000,000
EUR
|
— | — | — |
19 ,3
EUR
|
-
EUR
|
— |
-
EUR
|
0 , 9
EUR
|
-
EUR
|
— | — |
1 0 ,1
EUR
|
— | — |
-
EUR
|
0, 4
EUR
|
-
EUR
|
3,000,000
EUR
|
— | — | — | — | — |
-
EUR
|
1 0 ,1
EUR
|
103,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Issue of equity | — | — |
9, 7
EUR
|
— | — | — | — | — | — | — | — | — | — |
9, 7
EUR
|
— | — |
9, 7
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — |
149,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
149,000,000
EUR
|
— | — |
149,000,000
EUR
|
— | — | — | — |
2,664,000,000
EUR
|
— | — | — | — |
15, 0
EUR
|
— | — | — | — | — | — | — |
2,664,000,000
EUR
|
2,515,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — |
17,000,000
EUR
|
17,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
17,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
18,000,000
EUR
|
— | — |
28,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
46,000,000
EUR
|
28,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — |
0, 2
EUR
|
0, 2
EUR
|
— | — | — | — | — | — | — | — | — |
0, 2
EUR
|
— | — | — | — | — | — | — |
23,000,000
EUR
|
— | — |
2 ,0
EUR
|
— |
0, 4
EUR
|
— | — | — | — | — | — | — |
23,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |