Statement Of Changes In Equity [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
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 |
2022-01-01 to 2022-12-31 |
As at 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 |
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 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — | — |
3,204,000,000
EUR
|
— |
1,755,000,000
EUR
|
10,000,000
EUR
|
— | — | — | — |
89,000,000
EUR
|
— |
1,436,000,000
EUR
|
— |
9,000,000
EUR
|
59,000,000
EUR
|
-
EUR
|
3,115,000,000
EUR
|
16,000,000
EUR
|
— |
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
|
2,097,000,000
EUR
|
120,000,000
EUR
|
3,605,000,000
EUR
|
1,436,000,000
EUR
|
52,000,000
EUR
|
9,000,000
EUR
|
57,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
-
EUR
|
19,000,000
EUR
|
— |
10,000,000
EUR
|
— | — |
-
EUR
|
10,000,000
EUR
|
29,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
182,000,000
EUR
|
2,000,000
EUR
|
— | — |
-
EUR
|
— | — | — |
-
EUR
|
— | — |
180,000,000
EUR
|
— |
180,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
-
EUR
|
32,000,000
EUR
|
— |
32,000,000
EUR
|
— | — |
74,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— |
46,000,000
EUR
|
— |
-
EUR
|
— | — | — | — | — |
4,000,000
EUR
|
— |
-
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
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
-
EUR
|
13,000,000
EUR
|
— |
42,000,000
EUR
|
— | — |
74,000,000
EUR
|
10,000,000
EUR
|
29,000,000
EUR
|
-
EUR
|
— |
46,000,000
EUR
|
— |
-
EUR
|
— | — | — | — | — |
4,000,000
EUR
|
— |
-
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
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
-
EUR
|
210,000,000
EUR
|
— |
179,000,000
EUR
|
— | — |
179,000,000
EUR
|
-
EUR
|
31,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
264,000,000
EUR
|
5,000,000
EUR
|
— | — |
-
EUR
|
— | — | — |
259,000,000
EUR
|
— | — |
-
EUR
|
— |
259,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
180,000,000
EUR
|
180,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — |
-
EUR
|
— | — | — |
120,000,000
EUR
|
— | — |
120,000,000
EUR
|
— |
-
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
-
EUR
|
2,000,000
EUR
|
— |
2,000,000
EUR
|
— | — |
2,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
0
EUR
|
-
EUR
|
— | — |
-
EUR
|
— | — | — |
-
EUR
|
— | — |
0
EUR
|
— |
-
EUR
|
— |
-
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — | — |