Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 |
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 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — |
7,767,000
EUR
|
1.16 8
EUR
|
— |
9,372,000
EUR
|
38,000,000
EUR
|
34,000,000
EUR
|
— |
–
EUR
|
— | — | — |
9,289,000
EUR
|
83,000,000
EUR
|
116,000,000
EUR
|
466,000,000
EUR
|
— | — | — |
6,876,000
EUR
|
— |
87,000,000
EUR
|
1.16 7
EUR
|
8,012,000
EUR
|
466,000,000
EUR
|
— | — |
640,000,000
EUR
|
8,099,000
EUR
|
2,000,000
EUR
|
45,000,000
EUR
|
— | — | — |
100,000,000
EUR
|
— | — |
8,970,000
EUR
|
90,000,000
EUR
|
65,000,000
EUR
|
1.16 7
EUR
|
9,060,000
EUR
|
7,343,000
EUR
|
76,000,000
EUR
|
466,000,000
EUR
|
9,000,000
EUR
|
8,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
21,000,000
EUR
|
— | — |
746,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
767,000,000
EUR
|
746,000,000
EUR
|
— |
479,000,000
EUR
|
— | — | — | — |
465,000,000
EUR
|
— | — | — | — | — | — | — |
14,000,000
EUR
|
— |
465,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
–
EUR
|
— | — |
1,051,000
EUR
|
— | — | — |
2,000,000
EUR
|
— |
524,000,000
EUR
|
7 9
EUR
|
62,000,000
EUR
|
— | — | — | — | — |
1,051,000
EUR
|
666,000,000
EUR
|
— |
892,000,000
EUR
|
— | — | — | — |
409,000,000
EUR
|
39,000,000
EUR
|
— | — | — | — |
6,000,000
EUR
|
5 75
EUR
|
7,000,000
EUR
|
— |
885,000,000
EUR
|
54,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
21,000,000
EUR
|
— | — |
1,797,000
EUR
|
— | — | — |
2,000,000
EUR
|
— |
524,000,000
EUR
|
7 9
EUR
|
62,000,000
EUR
|
— | — | — | — | — |
1,818,000
EUR
|
1,412,000
EUR
|
— |
413,000,000
EUR
|
— | — | — | — |
56,000,000
EUR
|
39,000,000
EUR
|
— | — | — | — |
6,000,000
EUR
|
575,000,000
EUR
|
7,000,000
EUR
|
— |
420,000,000
EUR
|
54,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
22,000,000
EUR
|
— | — |
536,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
558,000,000
EUR
|
536,000,000
EUR
|
— |
548,000,000
EUR
|
— | — | — | — |
536,000,000
EUR
|
— | — | — | — | — | — | — |
12,000,000
EUR
|
— |
536,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — | — |
16,000,000
EUR
|
— | — | — | — | — | — | — |
–
EUR
|
— | — | — | — |
1,000,000
EUR
|
16,000,000
EUR
|
15,000,000
EUR
|
— |
2,000,000
EUR
|
— | — | — | — |
13,000,000
EUR
|
1 5
EUR
|
— | — | — | — | — | — |
–
EUR
|
— |
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |