Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
2023-01-01 to 2023-12-31 |
As at 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 |
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 |
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 |
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 |
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 |
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 |
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 | — | — | — |
4 723
EUR
|
812,000,000
EUR
|
— |
29,000,000
EUR
|
1 287
EUR
|
— |
1 416
EUR
|
3 309
EUR
|
— |
61,000,000
EUR
|
— | — |
40,000,000
EUR
|
— |
464,000,000
EUR
|
4 351
EUR
|
— | — | — |
1 383
EUR
|
— | — | — |
34,000,000
EUR
|
33,000,000
EUR
|
56,000,000
EUR
|
1 415
EUR
|
5 490
EUR
|
1 645
EUR
|
463,000,000
EUR
|
— | — | — |
196,000,000
EUR
|
456,000,000
EUR
|
609,000,000
EUR
|
456,000,000
EUR
|
196,000,000
EUR
|
6 429
EUR
|
-
EUR
|
416,000,000
EUR
|
6 837
EUR
|
451,000,000
EUR
|
-
EUR
|
27,000,000
EUR
|
-
EUR
|
-
EUR
|
54,000,000
EUR
|
858,000,000
EUR
|
4 841
EUR
|
35,000,000
EUR
|
3 982
EUR
|
407,000,000
EUR
|
-
EUR
|
-
EUR
|
609,000,000
EUR
|
1 472
EUR
|
17,000,000
EUR
|
17,000,000
EUR
|
54,000,000
EUR
|
1 472
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
-
EUR
|
810,000,000
EUR
|
812,000,000
EUR
|
— | — |
2,000,000
EUR
|
— | — |
-
EUR
|
— | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
1 384
EUR
|
— |
1,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
1 383
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
-
EUR
|
73,000,000
EUR
|
-
EUR
|
— | — |
-
EUR
|
— | — |
-
EUR
|
— | — |
-
EUR
|
— |
432,000,000
EUR
|
359,000,000
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
707,000,000
EUR
|
— |
-
EUR
|
522,000,000
EUR
|
1 229
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
-
EUR
|
737,000,000
EUR
|
812,000,000
EUR
|
— | — |
2,000,000
EUR
|
— | — |
-
EUR
|
— | — |
-
EUR
|
— |
432,000,000
EUR
|
359,000,000
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
2 091
EUR
|
— |
1,000,000
EUR
|
522,000,000
EUR
|
1 229
EUR
|
— | — | — | — | — | — | — |
1 383
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity | — |
11,000,000
EUR
|
— | — | — | — | — | — |
4,000,000
EUR
|
— | — | — | — | — | — | — |
7,000,000
EUR
|
— | — |
3,000,000
EUR
|
— |
7,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
4,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
-
EUR
|
254,000,000
EUR
|
-
EUR
|
— | — |
3,000,000
EUR
|
— | — |
-
EUR
|
— | — |
-
EUR
|
— |
251,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
323,000,000
EUR
|
— |
2,000,000
EUR
|
321,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
-
EUR
|
109,000,000
EUR
|
-
EUR
|
— | — |
-
EUR
|
— | — |
-
EUR
|
— | — |
5,000,000
EUR
|
— |
114,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
20,000,000
EUR
|
— |
20,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
5,000,000
EUR
|
3,000,000
EUR
|
-
EUR
|
— | — |
-
EUR
|
— | — |
-
EUR
|
— | — |
2,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
140,000,000
EUR
|
112,000,000
EUR
|
— |
-
EUR
|
7,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
21,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |