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 |
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 |
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 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
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 |
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 | — |
2,000,000
EUR
|
— | — |
1,035,000,000
EUR
|
— |
614,000,000
EUR
|
72,000,000
EUR
|
— | — | — |
234,000,000
EUR
|
— |
126,000,000
EUR
|
0
EUR
|
12,000,000
EUR
|
1,000,000
EUR
|
— | — | — | — | — | — |
960,000,000
EUR
|
1,000,000
EUR
|
— | — |
72,000,000
EUR
|
234,000,000
EUR
|
549,000,000
EUR
|
11,000,000
EUR
|
126,000,000
EUR
|
0
EUR
|
11,000,000
EUR
|
— | — |
12,000,000
EUR
|
72,000,000
EUR
|
1,000,000
EUR
|
933,000,000
EUR
|
10,000,000
EUR
|
521,000,000
EUR
|
234,000,000
EUR
|
0
EUR
|
126,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
-
EUR
|
— |
97,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
97,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
52,000,000
EUR
|
— | — |
52,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income |
-
EUR
|
— |
10,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
0
EUR
|
-
EUR
|
0
EUR
|
— |
0
EUR
|
— | — | — | — |
9,000,000
EUR
|
-
EUR
|
0
EUR
|
-
EUR
|
-
EUR
|
0
EUR
|
— | — |
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income |
-
EUR
|
— |
107,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
98,000,000
EUR
|
-
EUR
|
0
EUR
|
— |
0
EUR
|
— | — | — | — |
9,000,000
EUR
|
-
EUR
|
0
EUR
|
-
EUR
|
-
EUR
|
51,000,000
EUR
|
— | — |
52,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
-
EUR
|
— |
31,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
31,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
25,000,000
EUR
|
— | — |
25,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
-
EUR
|
— |
2,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
2,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
0
EUR
|
— | — | — | — |
0
EUR
|
-
EUR
|
0
EUR
|
-
EUR
|
-
EUR
|
0
EUR
|
— | — |
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
1,000,000
EUR
|
— |
2,000,000
EUR
|
1,000,000
EUR
|
— |
-
EUR
|
— | — |
1,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
0
EUR
|
-
EUR
|
1,000,000
EUR
|
— | — |
1,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) in equity |
1,000,000
EUR
|
— |
75,000,000
EUR
|
1,000,000
EUR
|
— |
-
EUR
|
— | — |
65,000,000
EUR
|
-
EUR
|
0
EUR
|
— |
0
EUR
|
— | — | — | — |
9,000,000
EUR
|
-
EUR
|
0
EUR
|
0
EUR
|
-
EUR
|
27,000,000
EUR
|
— | — |
27,000,000
EUR
|
1,000,000
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — |