Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 |
2023-01-01 to 2023-12-31 |
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 |
As at 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 |
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 |
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 |
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 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
4,000,000
EUR
|
— | — | — | — |
2 178
EUR
|
569,000,000
EUR
|
267,000,000
EUR
|
— | — | — | — |
110,000,000
EUR
|
— |
1 036
EUR
|
— |
499,000,000
EUR
|
435,000,000
EUR
|
— |
73,000,000
EUR
|
679,000,000
EUR
|
194,000,000
EUR
|
7,000,000
EUR
|
— | — | — | — |
2 251
EUR
|
5,000,000
EUR
|
386,000,000
EUR
|
— | — |
105,000,000
EUR
|
1 045
EUR
|
173,000,000
EUR
|
57,000,000
EUR
|
499,000,000
EUR
|
— |
517,000,000
EUR
|
718,000,000
EUR
|
1,000,000
EUR
|
613,000,000
EUR
|
— | — | — | — | — | — |
67,000,000
EUR
|
499,000,000
EUR
|
869,000,000
EUR
|
2 294
EUR
|
313,000,000
EUR
|
10,000,000
EUR
|
7,000,000
EUR
|
953,000,000
EUR
|
84,000,000
EUR
|
615,000,000
EUR
|
153,000,000
EUR
|
1 055
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
308,000,000
EUR
|
-
EUR
|
267,000,000
EUR
|
-
EUR
|
— | — | — |
267,000,000
EUR
|
-
EUR
|
41,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
— | — | — | — |
-
EUR
|
417,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — |
31,000,000
EUR
|
-
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — |
386,000,000
EUR
|
-
EUR
|
-
EUR
|
386,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
100,000,000
EUR
|
-
EUR
|
-
EUR
|
1,000,000
EUR
|
— | — | — |
95,000,000
EUR
|
-
EUR
|
5,000,000
EUR
|
-
EUR
|
— |
83,000,000
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
— | — | — | — |
13,000,000
EUR
|
101,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — |
1,000,000
EUR
|
-
EUR
|
— | — | — | — | — |
10,000,000
EUR
|
— | — | — | — |
-
EUR
|
12,000,000
EUR
|
-
EUR
|
100,000,000
EUR
|
-
EUR
|
98,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
408,000,000
EUR
|
-
EUR
|
267,000,000
EUR
|
1,000,000
EUR
|
— | — | — |
362,000,000
EUR
|
-
EUR
|
46,000,000
EUR
|
-
EUR
|
— |
83,000,000
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
— | — | — | — |
13,000,000
EUR
|
518,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — |
32,000,000
EUR
|
-
EUR
|
— | — | — | — | — |
10,000,000
EUR
|
— | — | — | — |
386,000,000
EUR
|
12,000,000
EUR
|
-
EUR
|
486,000,000
EUR
|
-
EUR
|
98,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity | — |
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
278,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — |
249,000,000
EUR
|
249,000,000
EUR
|
29,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
— | — | — | — |
-
EUR
|
238,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — |
14,000,000
EUR
|
224,000,000
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
224,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
44,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — |
46,000,000
EUR
|
43,000,000
EUR
|
2,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
— | — | — | — |
3,000,000
EUR
|
16,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — |
6,000,000
EUR
|
9,000,000
EUR
|
— | — | — | — | — |
1,000,000
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
10,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
16,000,000
EUR
|
16,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — |
16,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
— | — | — | — |
-
EUR
|
10,000,000
EUR
|
-
EUR
|
10,000,000
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
10,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
21,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — |
21,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — |
21,000,000
EUR
|
— | — | — | — |
-
EUR
|
20,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— | — | — | — | — |
-
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
20,000,000
EUR
|
20,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |