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 |
As at 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 |
2022-01-01 to 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 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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 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 |
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 |
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 |
3,442,000,000
EUR
|
— | — | — | — |
1,843,000,000
EUR
|
180,000,000
EUR
|
— |
91,000,000
EUR
|
1,436,000,000
EUR
|
-
EUR
|
— |
9,000,000
EUR
|
105,000,000
EUR
|
3,351,000,000
EUR
|
— | — |
12,000,000
EUR
|
— | — | — |
-
EUR
|
— | — | — | — | — |
3,662,000,000
EUR
|
— |
5,000,000
EUR
|
52,000,000
EUR
|
2,097,000,000
EUR
|
120,000,000
EUR
|
— |
3,605,000,000
EUR
|
— |
1,436,000,000
EUR
|
9,000,000
EUR
|
57,000,000
EUR
|
— |
6,000,000
EUR
|
56,000,000
EUR
|
2,083,000,000
EUR
|
142,000,000
EUR
|
3,570,000,000
EUR
|
9,000,000
EUR
|
1,436,000,000
EUR
|
-
EUR
|
94,000,000
EUR
|
3,626,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
-
EUR
|
-
EUR
|
182,000,000
EUR
|
2,000,000
EUR
|
— | — |
-
EUR
|
— | — | — |
-
EUR
|
— | — | — |
180,000,000
EUR
|
180,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
5,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
120,000,000
EUR
|
-
EUR
|
120,000,000
EUR
|
— |
-
EUR
|
— | — | — | — |
-
EUR
|
— |
-
EUR
|
— | — | — |
125,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
-
EUR
|
-
EUR
|
21,000,000
EUR
|
-
EUR
|
— | — |
7,000,000
EUR
|
— | — | — |
39,000,000
EUR
|
— | — | — |
-
EUR
|
21,000,000
EUR
|
— |
-
EUR
|
53,000,000
EUR
|
-
EUR
|
— |
1,000,000
EUR
|
221,000,000
EUR
|
-
EUR
|
-
EUR
|
264,000,000
EUR
|
— |
-
EUR
|
— | — | — | — |
42,000,000
EUR
|
— |
-
EUR
|
— | — | — |
264,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
-
EUR
|
-
EUR
|
161,000,000
EUR
|
2,000,000
EUR
|
— | — |
7,000,000
EUR
|
— | — | — |
39,000,000
EUR
|
— | — | — |
180,000,000
EUR
|
159,000,000
EUR
|
— |
-
EUR
|
53,000,000
EUR
|
5,000,000
EUR
|
— |
1,000,000
EUR
|
221,000,000
EUR
|
120,000,000
EUR
|
-
EUR
|
384,000,000
EUR
|
— |
-
EUR
|
— | — | — | — |
42,000,000
EUR
|
— |
-
EUR
|
— | — | — |
389,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
-
EUR
|
-
EUR
|
264,000,000
EUR
|
5,000,000
EUR
|
— | — |
-
EUR
|
— | — | — |
259,000,000
EUR
|
— | — | — |
-
EUR
|
259,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
5,000,000
EUR
|
— |
-
EUR
|
276,000,000
EUR
|
-
EUR
|
-
EUR
|
276,000,000
EUR
|
— |
-
EUR
|
— | — | — | — |
-
EUR
|
— |
-
EUR
|
— | — | — |
281,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — |
-
EUR
|
— | — | — |
120,000,000
EUR
|
— | — | — |
120,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
142,000,000
EUR
|
142,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — | — |
-
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
-
EUR
|
-
EUR
|
0
EUR
|
-
EUR
|
— | — |
-
EUR
|
— | — | — |
0
EUR
|
— | — | — |
-
EUR
|
0
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
0
EUR
|
-
EUR
|
-
EUR
|
0
EUR
|
— |
-
EUR
|
— | — | — | — |
-
EUR
|
— |
-
EUR
|
— | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — |