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 |
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 |
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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||
| Equity |
287,000,000
EUR
|
— | — | — | — |
1,000,000
EUR
|
1,254,000,000
EUR
|
273,000,000
EUR
|
171,000,000
EUR
|
1,000,000
EUR
|
288,000,000
EUR
|
863,000,000
EUR
|
— | — | — | — | — |
357,000,000
EUR
|
-
EUR
|
— | — |
227,000,000
EUR
|
130,000,000
EUR
|
— |
227,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
1,000,000
EUR
|
— | — | — |
319,000,000
EUR
|
1,000,000
EUR
|
-
EUR
|
175,000,000
EUR
|
-
EUR
|
144,000,000
EUR
|
175,000,000
EUR
|
-
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
-
EUR
|
99,000,000
EUR
|
99,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — |
99,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
0
EUR
|
— | — |
-
EUR
|
14,000,000
EUR
|
— | — |
-
EUR
|
— | — |
-
EUR
|
— | — |
-
EUR
|
14,000,000
EUR
|
14,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Other comprehensive income | — | — |
20,000,000
EUR
|
18,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — |
20,000,000
EUR
|
37,000,000
EUR
|
— | — |
-
EUR
|
— | — |
-
EUR
|
15,000,000
EUR
|
— | — |
14,000,000
EUR
|
— | — |
-
EUR
|
— | — |
-
EUR
|
15,000,000
EUR
|
1,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Comprehensive income | — |
-
EUR
|
119,000,000
EUR
|
81,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — |
119,000,000
EUR
|
37,000,000
EUR
|
-
EUR
|
-
EUR
|
0
EUR
|
— | — |
-
EUR
|
1,000,000
EUR
|
— | — |
14,000,000
EUR
|
— | — |
-
EUR
|
— | — |
-
EUR
|
1,000,000
EUR
|
13,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase through other contributions by owners, equity | — |
-
EUR
|
12,000,000
EUR
|
12,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
12,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
0
EUR
|
13,000,000
EUR
|
17,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — |
13,000,000
EUR
|
4,000,000
EUR
|
0
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
-
EUR
|
— | — |
-
EUR
|
1,000,000
EUR
|
— | — |
-
EUR
|
— | — |
-
EUR
|
— | — |
-
EUR
|
1,000,000
EUR
|
1,000,000
EUR
|
— | — | — | — | — | — | — | — |