Statement Of Changes In Equity [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
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 |
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 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||
| Equity | — | — | — |
935,000,000
EUR
|
— |
731,000,000
EUR
|
437,000,000
EUR
|
95,000,000
EUR
|
— |
5 032
EUR
|
— | — |
3 461
EUR
|
5 469
EUR
|
— |
5 311
EUR
|
— | — | — |
380,000,000
EUR
|
— |
1 309
EUR
|
— |
757,000,000
EUR
|
171,000,000
EUR
|
3 036
EUR
|
— |
4 931
EUR
|
5 456
EUR
|
397,000,000
EUR
|
1 675
EUR
|
789,000,000
EUR
|
133,000,000
EUR
|
5 059
EUR
|
2 728
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) |
610,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — |
47,000,000
EUR
|
— |
657,000,000
EUR
|
610,000,000
EUR
|
— | — |
650,000,000
EUR
|
— |
633,000,000
EUR
|
17,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — |
633,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Other comprehensive income |
69,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
76,000,000
EUR
|
— | — | — |
9,000,000
EUR
|
— |
78,000,000
EUR
|
8,000,000
EUR
|
— | — |
12,000,000
EUR
|
— |
7,000,000
EUR
|
4,000,000
EUR
|
-
EUR
|
— |
38,000,000
EUR
|
— |
-
EUR
|
— | — | — |
31,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Comprehensive income |
678,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
76,000,000
EUR
|
— | — | — |
56,000,000
EUR
|
— |
735,000,000
EUR
|
602,000,000
EUR
|
— | — |
638,000,000
EUR
|
— |
625,000,000
EUR
|
13,000,000
EUR
|
-
EUR
|
— |
38,000,000
EUR
|
— |
-
EUR
|
— | — | — |
663,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Issue of equity |
-
EUR
|
4,000,000
EUR
|
4,000,000
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
— | — |
0
EUR
|
— |
-
EUR
|
0
EUR
|
4,000,000
EUR
|
— |
-
EUR
|
— |
6,000,000
EUR
|
— | — | — |
2,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
286,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — |
12,000,000
EUR
|
— |
298,000,000
EUR
|
286,000,000
EUR
|
— | — |
293,000,000
EUR
|
— |
277,000,000
EUR
|
16,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — |
277,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
14,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — |
13,000,000
EUR
|
— |
1,000,000
EUR
|
14,000,000
EUR
|
— | — |
67,000,000
EUR
|
— |
63,000,000
EUR
|
4,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — |
63,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
404,000,000
EUR
|
30,000,000
EUR
|
370,000,000
EUR
|
— |
-
EUR
|
— | — | — | — | — |
404,000,000
EUR
|
4,000,000
EUR
|
— | — |
401,000,000
EUR
|
— |
401,000,000
EUR
|
— |
362,000,000
EUR
|
— |
-
EUR
|
— |
38,000,000
EUR
|
— | — | — |
2,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
40,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — | — | — |
40,000,000
EUR
|
40,000,000
EUR
|
— | — |
38,000,000
EUR
|
— |
38,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — |
38,000,000
EUR
|
— | — | — | — | — | — | — | — |