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 |
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 |
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 |
As at 2021-12-31 |
2021-01-01 to 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 |
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 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||
| Equity |
320,000,000
EUR
|
— | — | — | — | — | — |
500,000,000
EUR
|
173,000,000
EUR
|
-
EUR
|
232,000,000
EUR
|
549,000,000
EUR
|
4,000,000
EUR
|
41,000,000
EUR
|
320,000,000
EUR
|
— | — | — | — |
712,000,000
EUR
|
99,000,000
EUR
|
— |
500,000,000
EUR
|
— | — |
134,000,000
EUR
|
— |
399,000,000
EUR
|
— |
134,000,000
EUR
|
— |
-
EUR
|
2,000,000
EUR
|
643,000,000
EUR
|
— | — |
588,000,000
EUR
|
-
EUR
|
165,000,000
EUR
|
2,000,000
EUR
|
500,000,000
EUR
|
454,000,000
EUR
|
61,000,000
EUR
|
643,000,000
EUR
|
165,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
-
EUR
|
-
EUR
|
151,000,000
EUR
|
151,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — |
151,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — |
-
EUR
|
— |
-
EUR
|
140,000,000
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — |
140,000,000
EUR
|
140,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
-
EUR
|
44,000,000
EUR
|
401,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — |
401,000,000
EUR
|
-
EUR
|
357,000,000
EUR
|
-
EUR
|
— | — |
49,000,000
EUR
|
— |
-
EUR
|
105,000,000
EUR
|
— |
-
EUR
|
— |
56,000,000
EUR
|
— |
-
EUR
|
— | — | — |
105,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
-
EUR
|
44,000,000
EUR
|
552,000,000
EUR
|
151,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — |
552,000,000
EUR
|
-
EUR
|
357,000,000
EUR
|
-
EUR
|
— | — |
49,000,000
EUR
|
— |
-
EUR
|
35,000,000
EUR
|
— |
-
EUR
|
— |
56,000,000
EUR
|
— |
-
EUR
|
— | — | — |
35,000,000
EUR
|
140,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Issue of equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
-
EUR
|
— | — |
3,000,000
EUR
|
— |
-
EUR
|
3,000,000
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — |
3,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
-
EUR
|
— | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — |
| Decrease through other distributions to owners, equity | — |
-
EUR
|
36,000,000
EUR
|
658,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — |
658,000,000
EUR
|
694,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
-
EUR
|
7,000,000
EUR
|
7,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — |
7,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |