Statement Of Changes In Equity [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 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 |
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 |
As at 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
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 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 |
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 |
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 | — | — |
2 733
EUR
|
6 744
EUR
|
— |
2 642
EUR
|
1 812
EUR
|
78,000,000
EUR
|
— |
12,700,000,000
EUR
|
— |
14,512,000,000
EUR
|
659,000,000
EUR
|
— | — | — |
14,112,000,000
EUR
|
— |
2 746
EUR
|
2 996
EUR
|
6 124
EUR
|
— | — |
1 704
EUR
|
123,000,000
EUR
|
12,408,000,000
EUR
|
665,000,000
EUR
|
— |
13,932,000,000
EUR
|
2 567
EUR
|
5 637
EUR
|
3 176
EUR
|
886,000,000
EUR
|
1 720
EUR
|
54,000,000
EUR
|
12,212,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
1 058
EUR
|
— | — |
1 058
EUR
|
— | — | — |
164,000,000
EUR
|
— |
1 222
EUR
|
— | — | — |
1 201
EUR
|
— | — |
1 040
EUR
|
— | — | — |
1 040
EUR
|
161,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
5,000,000
EUR
|
— | — | — | — | — | — |
1,000,000
EUR
|
— |
6,000,000
EUR
|
— | — |
5,000,000
EUR
|
231,000,000
EUR
|
— | — |
221,000,000
EUR
|
— | — | — | — |
10,000,000
EUR
|
— | — | — | — |
221,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Comprehensive income | — |
1 063
EUR
|
— | — |
1 058
EUR
|
— | — | — |
165,000,000
EUR
|
— |
1 228
EUR
|
— | — |
5,000,000
EUR
|
970,000,000
EUR
|
— | — |
819,000,000
EUR
|
— | — | — |
1 040
EUR
|
151,000,000
EUR
|
— | — | — | — |
221,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
718,000,000
EUR
|
— | — |
718,000,000
EUR
|
— | — | — |
98,000,000
EUR
|
— |
816,000,000
EUR
|
— | — | — |
744,000,000
EUR
|
— | — |
671,000,000
EUR
|
— | — | — |
671,000,000
EUR
|
73,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
2,000,000
EUR
|
— | — |
13,000,000
EUR
|
— | — | — |
54,000,000
EUR
|
— |
56,000,000
EUR
|
— | — |
11,000,000
EUR
|
12,000,000
EUR
|
— | — |
108,000,000
EUR
|
— | — | — |
108,000,000
EUR
|
96,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
69,000,000
EUR
|
72,000,000
EUR
|
— | — |
3,000,000
EUR
|
— | — | — | — | — |
72,000,000
EUR
|
— | — | — |
63,000,000
EUR
|
69,000,000
EUR
|
— |
63,000,000
EUR
|
— | — | — |
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — |
1,000,000
EUR
|
— | — |
1,000,000
EUR
|
— | — | — |
14,000,000
EUR
|
— |
15,000,000
EUR
|
— | — | — |
196,000,000
EUR
|
— | — |
197,000,000
EUR
|
— | — | — |
197,000,000
EUR
|
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
8,000,000
EUR
|
— | — |
8,000,000
EUR
|
— | — | — |
1,000,000
EUR
|
— |
9,000,000
EUR
|
— | — | — |
22,000,000
EUR
|
— | — |
21,000,000
EUR
|
— | — | — |
21,000,000
EUR
|
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |