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 |
As at 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 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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 |
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 |
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 |
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 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
4 493,3
EUR
|
— | — |
8,000,000
EUR
|
— |
3 016,1
EUR
|
0
EUR
|
1 040,3
EUR
|
1,305,000,000
EUR
|
2,826,000,000
EUR
|
235,000,000
EUR
|
4,000,000
EUR
|
4 362,8
EUR
|
— | — | — | — | — | — | — | — |
1 129,7
EUR
|
— | — |
4 510,8
EUR
|
4,000,000
EUR
|
— | — |
2,000,000
EUR
|
2 882,9
EUR
|
0
EUR
|
4 318,5
EUR
|
1,923,000,000
EUR
|
2,826,000,000
EUR
|
235,000,000
EUR
|
— |
2,504,000,000
EUR
|
0
EUR
|
1 682,6
EUR
|
3 206,9
EUR
|
235,000,000
EUR
|
9,000,000
EUR
|
8,000,000
EUR
|
1 219,9
EUR
|
2,826,000,000
EUR
|
3 457,4
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
113,000,000
EUR
|
118,000,000
EUR
|
— |
5,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
113,000,000
EUR
|
— | — |
61,000,000
EUR
|
— | — | — |
128,000,000
EUR
|
128,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
189,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
0
EUR
|
1,337,000,000
EUR
|
— |
(0,0)
EUR
|
— | — | — | — | — | — | — | — |
0
EUR
|
1,332,000,000
EUR
|
1,337,000,000
EUR
|
6,000,000
EUR
|
(0,0)
EUR
|
1,000,000
EUR
|
0
EUR
|
1 200,0
EUR
|
— |
0
EUR
|
1 200,4
EUR
|
— | — |
0
EUR
|
4,000,000
EUR
|
— | — | — | — | — | — | — |
1 200,5
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
113,000,000
EUR
|
1,454,000,000
EUR
|
— |
5,000,000
EUR
|
— | — | — | — | — | — | — | — |
0
EUR
|
1,332,000,000
EUR
|
1,450,000,000
EUR
|
6,000,000
EUR
|
(0,0)
EUR
|
62,000,000
EUR
|
0
EUR
|
1 200,0
EUR
|
— |
128,000,000
EUR
|
1 213,2
EUR
|
— | — |
0
EUR
|
4,000,000
EUR
|
— | — | — | — | — | — | — |
1 219,4
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
1,008,000,000
EUR
|
1,630,000,000
EUR
|
— |
623,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
1,008,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |