Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 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 |
As at 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 |
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 |
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 | — |
8,499,000,000
EUR
|
— | — | — |
6,618,000,000
EUR
|
— |
79,000,000
EUR
|
60,000,000
EUR
|
— |
73,000,000
EUR
|
3,046,000,000
EUR
|
1,026,000,000
EUR
|
8,438,000,000
EUR
|
337,000,000
EUR
|
— |
14,000,000
EUR
|
— |
7,737,000,000
EUR
|
— | — |
93,000,000
EUR
|
— |
9,499,000,000
EUR
|
— | — |
172,000,000
EUR
|
73,000,000
EUR
|
67,000,000
EUR
|
3,046,000,000
EUR
|
3,031,000,000
EUR
|
7,670,000,000
EUR
|
— | — |
2,182,000,000
EUR
|
— |
13,665,000,000
EUR
|
1,138,000,000
EUR
|
12,830,000,000
EUR
|
54,000,000
EUR
|
34,000,000
EUR
|
2,768,000,000
EUR
|
12,131,000,000
EUR
|
73,000,000
EUR
|
1,534,000,000
EUR
|
3,046,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
2,067,000,000
EUR
|
— |
2,069,000,000
EUR
|
— |
2,069,000,000
EUR
|
— |
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
10,290,000,000
EUR
|
7,874,000,000
EUR
|
— | — | — |
2,416,000,000
EUR
|
— | — | — | — | — | — | — | — |
2,416,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
1,581,000,000
EUR
|
— |
1,580,000,000
EUR
|
14,000,000
EUR
|
2,069,000,000
EUR
|
— |
1,000,000
EUR
|
— | — |
2,006,000,000
EUR
|
— | — | — | — | — |
1,844,000,000
EUR
|
— |
186,000,000
EUR
|
— |
10,757,000,000
EUR
|
7,420,000,000
EUR
|
— |
1,044,000,000
EUR
|
— |
2,208,000,000
EUR
|
39,000,000
EUR
|
— | — | — | — | — | — |
139,000,000
EUR
|
3,337,000,000
EUR
|
— |
264,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
817,000,000
EUR
|
— |
817,000,000
EUR
|
— |
817,000,000
EUR
|
— |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
1,036,000,000
EUR
|
23,000,000
EUR
|
— | — | — |
1,013,000,000
EUR
|
— | — | — | — | — | — | — | — |
1,013,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
5,000,000
EUR
|
— |
5,000,000
EUR
|
— |
5,000,000
EUR
|
— |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
5,000,000
EUR
|
6,000,000
EUR
|
— | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
15,000,000
EUR
|
— |
-
EUR
|
— | — | — |
15,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
249,000,000
EUR
|
122,000,000
EUR
|
— | — | — |
127,000,000
EUR
|
— | — | — | — | — | — | — | — |
127,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |