Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
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 |
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 |
2020-01-01 to 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 | — |
1 129,7
EUR
|
— |
4 510,8
EUR
|
— | — | — |
0
EUR
|
— |
2 882,9
EUR
|
2,000,000
EUR
|
4 318,5
EUR
|
2,826,000,000
EUR
|
1,923,000,000
EUR
|
4,000,000
EUR
|
235,000,000
EUR
|
— | — | — |
1 219,9
EUR
|
2,504,000,000
EUR
|
— |
3 206,9
EUR
|
235,000,000
EUR
|
— |
9,000,000
EUR
|
8,000,000
EUR
|
2,826,000,000
EUR
|
— | — |
0
EUR
|
3 457,4
EUR
|
1 682,6
EUR
|
— | — | — |
3 342,0
EUR
|
3,544,000,000
EUR
|
9,000,000
EUR
|
4,000,000
EUR
|
3 696,4
EUR
|
2,826,000,000
EUR
|
1 304,0
EUR
|
0
EUR
|
235,000,000
EUR
|
1 733,1
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
61,000,000
EUR
|
— |
128,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
189,000,000
EUR
|
128,000,000
EUR
|
159,000,000
EUR
|
— | — | — | — | — |
167,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
8,000,000
EUR
|
167,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
1,000,000
EUR
|
— |
1 200,4
EUR
|
— |
0
EUR
|
1 200,0
EUR
|
0
EUR
|
— |
4,000,000
EUR
|
— | — | — | — | — | — | — |
1 200,5
EUR
|
0
EUR
|
508,000,000
EUR
|
— | — |
0
EUR
|
— | — |
0
EUR
|
— | — | — |
0
EUR
|
504,000,000
EUR
|
— | — | — |
5,000,000
EUR
|
1,000,000
EUR
|
510,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
62,000,000
EUR
|
— |
1 213,2
EUR
|
— |
0
EUR
|
1 200,0
EUR
|
0
EUR
|
— |
4,000,000
EUR
|
— | — | — | — | — | — | — |
1 219,4
EUR
|
128,000,000
EUR
|
350,000,000
EUR
|
— | — |
0
EUR
|
— | — |
167,000,000
EUR
|
— | — | — |
0
EUR
|
504,000,000
EUR
|
— | — | — |
5,000,000
EUR
|
7,000,000
EUR
|
343,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
620,000,000
EUR
|
— |
1,008,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1,628,000,000
EUR
|
1,008,000,000
EUR
|
2,040,000,000
EUR
|
— | — | — | — | — |
1,008,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,033,000,000
EUR
|
1,008,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |