Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
As at 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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
14,000,000
EUR
|
— |
700,000,000
EUR
|
— | — | — | — | — |
2,175,000,000
EUR
|
4,784,000,000
EUR
|
682,000,000
EUR
|
16,000,000
EUR
|
61,000,000
EUR
|
— | — |
8,173,000,000
EUR
|
— | — |
93,000,000
EUR
|
8,189,000,000
EUR
|
-
EUR
|
64,000,000
EUR
|
— | — | — |
7,323,000,000
EUR
|
— |
1,626,000,000
EUR
|
— | — | — |
18,000,000
EUR
|
4,783,000,000
EUR
|
— |
682,000,000
EUR
|
11,000,000
EUR
|
111,000,000
EUR
|
— |
7,305,000,000
EUR
|
400,000,000
EUR
|
— | — |
296,000,000
EUR
|
-
EUR
|
6,263,000,000
EUR
|
18,000,000
EUR
|
5,259,000,000
EUR
|
283,000,000
EUR
|
1,000,000
EUR
|
681,000,000
EUR
|
273,000,000
EUR
|
6,245,000,000
EUR
|
-
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
654,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — |
654,000,000
EUR
|
-
EUR
|
— |
654,000,000
EUR
|
-
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
618,000,000
EUR
|
— |
618,000,000
EUR
|
— |
-
EUR
|
618,000,000
EUR
|
-
EUR
|
— | — |
-
EUR
|
— | — | — |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
53,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
70,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — |
8,000,000
EUR
|
-
EUR
|
— |
70,000,000
EUR
|
25,000,000
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
76,000,000
EUR
|
— |
76,000,000
EUR
|
— |
-
EUR
|
6,000,000
EUR
|
-
EUR
|
— | — |
-
EUR
|
— | — | — |
70,000,000
EUR
|
— | — |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
53,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
724,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — |
646,000,000
EUR
|
-
EUR
|
— |
724,000,000
EUR
|
25,000,000
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
694,000,000
EUR
|
— |
694,000,000
EUR
|
— |
-
EUR
|
624,000,000
EUR
|
-
EUR
|
— | — |
-
EUR
|
— | — | — |
70,000,000
EUR
|
— | — |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
61,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — |
61,000,000
EUR
|
-
EUR
|
— |
61,000,000
EUR
|
-
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
1,000,000
EUR
|
— |
-
EUR
|
— |
1,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — |
-
EUR
|
— | — | — |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
7,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — |
7,000,000
EUR
|
-
EUR
|
— |
7,000,000
EUR
|
-
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
1,000,000
EUR
|
— |
-
EUR
|
— |
1,000,000
EUR
|
1,000,000
EUR
|
-
EUR
|
— | — |
-
EUR
|
— | — | — |
1,000,000
EUR
|
— | — |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
-
EUR
|
— |
56,000,000
EUR
|
-
EUR
|
55,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — |
1,000,000
EUR
|
-
EUR
|
— |
55,000,000
EUR
|
-
EUR
|
— | — | — | — |
-
EUR
|
10,000,000
EUR
|
9,000,000
EUR
|
— |
9,000,000
EUR
|
— |
-
EUR
|
1,000,000
EUR
|
-
EUR
|
— | — |
-
EUR
|
— | — | — |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — |
-
EUR
|
2,000,000
EUR
|
— |
2,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
-
EUR
|
— |
6,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — |
-
EUR
|
-
EUR
|
— |
-
EUR
|
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |