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 |
2024-01-01 to 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 |
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 |
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 |
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 |
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 |
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 | — | — | — | — |
254,000,000
EUR
|
— |
3 891,6
EUR
|
— |
1,778,000,000
EUR
|
1 945,1
EUR
|
2,080,000,000
EUR
|
6,640,000,000
EUR
|
— |
3 222,9
EUR
|
— |
5 168,0
EUR
|
— | — |
4 831,6
EUR
|
— | — | — |
3 318,7
EUR
|
— |
2 155,2
EUR
|
— |
234,000,000
EUR
|
— |
2,714,000,000
EUR
|
1,778,000,000
EUR
|
5,721,000,000
EUR
|
2 676,4
EUR
|
4 636,2
EUR
|
3 323,6
EUR
|
1 847,7
EUR
|
222,000,000
EUR
|
5,541,000,000
EUR
|
1,777,000,000
EUR
|
1,807,000,000
EUR
|
2 788,6
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
2,939,000,000
EUR
|
— | — | — |
2,939,000,000
EUR
|
— |
-
EUR
|
— | — | — | — |
6,960,000,000
EUR
|
— |
9,899,000,000
EUR
|
— |
5,309,000,000
EUR
|
— | — |
1,424,000,000
EUR
|
3,885,000,000
EUR
|
1,424,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
32,000,000
EUR
|
— | — | — |
428,000,000
EUR
|
— |
460,000,000
EUR
|
— | — | — | — |
142,000,000
EUR
|
— |
174,000,000
EUR
|
— |
2,853,000,000
EUR
|
— | — |
2,110,000,000
EUR
|
744,000,000
EUR
|
1,203,000,000
EUR
|
— | — | — |
907,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
2,971,000,000
EUR
|
— | — | — |
2,511,000,000
EUR
|
— |
460,000,000
EUR
|
— | — | — | — |
7,102,000,000
EUR
|
— |
1 007,3
EUR
|
— |
2,455,000,000
EUR
|
— | — |
686,000,000
EUR
|
3,142,000,000
EUR
|
221,000,000
EUR
|
— | — | — |
907,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity |
-
EUR
|
20,000,000
EUR
|
0
EUR
|
20,000,000
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — |
-
EUR
|
— |
20,000,000
EUR
|
— |
14,000,000
EUR
|
— | — |
14,000,000
EUR
|
— | — | — |
13,000,000
EUR
|
— | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
-
EUR
|
1,718,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
1,718,000,000
EUR
|
— |
-
EUR
|
— | — | — | — |
9,619,000,000
EUR
|
— |
1 133,7
EUR
|
— |
4,271,000,000
EUR
|
— | — |
1,391,000,000
EUR
|
2,880,000,000
EUR
|
1,391,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
-
EUR
|
3,013,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
3,009,000,000
EUR
|
— |
4,000,000
EUR
|
— | — | — | — |
1,181,000,000
EUR
|
— |
4,194,000,000
EUR
|
— |
2,220,000,000
EUR
|
— | — |
849,000,000
EUR
|
1,370,000,000
EUR
|
849,000,000
EUR
|
— | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
918,000,000
EUR
|
918,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — |
-
EUR
|
— |
918,000,000
EUR
|
— |
180,000,000
EUR
|
180,000,000
EUR
|
— |
180,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
-
EUR
|
7,758,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
7,580,000,000
EUR
|
— |
178,000,000
EUR
|
— | — | — | — |
1,401,000,000
EUR
|
— |
9,160,000,000
EUR
|
— |
1,197,000,000
EUR
|
— | — |
75,000,000
EUR
|
1,272,000,000
EUR
|
75,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
-
EUR
|
365,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
365,000,000
EUR
|
— |
-
EUR
|
— | — | — | — |
194,000,000
EUR
|
— |
560,000,000
EUR
|
— |
519,000,000
EUR
|
— | — |
348,000,000
EUR
|
172,000,000
EUR
|
348,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |