Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 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 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 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 |
2022-01-01 to 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 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — | — |
12,061,000,000
EUR
|
— |
5,402,000,000
EUR
|
— | — | — |
33,000,000
EUR
|
— |
5,827,000,000
EUR
|
— |
183,000,000
EUR
|
1,263,000,000
EUR
|
262,000,000
EUR
|
12,028,000,000
EUR
|
6,000,000
EUR
|
390,000,000
EUR
|
— | — |
13,283,000,000
EUR
|
— | — | — | — | — | — |
34,000,000
EUR
|
5,025,000,000
EUR
|
6,832,000,000
EUR
|
275,000,000
EUR
|
178,000,000
EUR
|
— |
1,866,000,000
EUR
|
13,249,000,000
EUR
|
376,000,000
EUR
|
— |
2,000,000
EUR
|
— | — | — |
476,000,000
EUR
|
9,344,000,000
EUR
|
— | — | — |
14,475,000,000
EUR
|
— |
25,000,000
EUR
|
344,000,000
EUR
|
1,117,000,000
EUR
|
— | — |
14,438,000,000
EUR
|
— |
4,646,000,000
EUR
|
177,000,000
EUR
|
36,000,000
EUR
|
— | — |
7,828,000,000
EUR
|
23,000,000
EUR
|
31,000,000
EUR
|
11,870,000,000
EUR
|
182,000,000
EUR
|
4,400,000,000
EUR
|
58,000,000
EUR
|
11,901,000,000
EUR
|
199,000,000
EUR
|
305,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
463,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,605,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,323,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
637,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
823,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,203,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
1,100,000,000
EUR
|
EUR
|
— |
1,101,000,000
EUR
|
— |
1,000,000
EUR
|
488,000,000
EUR
|
EUR
|
— |
604,000,000
EUR
|
— |
EUR
|
— | — | — | — | — | — |
17,000,000
EUR
|
8,000,000
EUR
|
— |
EUR
|
EUR
|
782,000,000
EUR
|
1,527,000,000
EUR
|
4,000,000
EUR
|
23,000,000
EUR
|
— | — | — | — | — |
32,000,000
EUR
|
— | — | — |
786,000,000
EUR
|
— |
EUR
|
749,000,000
EUR
|
7,000,000
EUR
|
— | — |
48,000,000
EUR
|
EUR
|
4,520,000,000
EUR
|
— |
EUR
|
— | — | — |
1,175,000,000
EUR
|
39,000,000
EUR
|
— |
EUR
|
— | — | — |
4,527,000,000
EUR
|
3,432,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
70,000,000
EUR
|
EUR
|
— |
68,000,000
EUR
|
— |
3,000,000
EUR
|
816,000,000
EUR
|
741,000,000
EUR
|
— |
EUR
|
— |
8,000,000
EUR
|
— | — | — | — | — | — |
EUR
|
EUR
|
— |
3,000,000
EUR
|
EUR
|
418,000,000
EUR
|
741,000,000
EUR
|
6,000,000
EUR
|
EUR
|
— | — | — | — | — |
EUR
|
— | — | — |
412,000,000
EUR
|
— |
326,000,000
EUR
|
EUR
|
2,000,000
EUR
|
— | — |
EUR
|
EUR
|
482,000,000
EUR
|
— |
290,000,000
EUR
|
— | — | — |
EUR
|
EUR
|
— |
1,000,000
EUR
|
— | — | — |
484,000,000
EUR
|
773,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
88,000,000
EUR
|
EUR
|
— |
88,000,000
EUR
|
— |
EUR
|
EUR
|
88,000,000
EUR
|
— |
EUR
|
— |
EUR
|
— | — | — | — | — | — |
EUR
|
EUR
|
— |
EUR
|
EUR
|
95,000,000
EUR
|
EUR
|
EUR
|
EUR
|
— | — | — | — | — |
EUR
|
— | — | — |
95,000,000
EUR
|
— |
95,000,000
EUR
|
EUR
|
EUR
|
— | — |
EUR
|
EUR
|
110,000,000
EUR
|
— |
110,000,000
EUR
|
— | — | — |
EUR
|
EUR
|
— |
EUR
|
— | — | — |
110,000,000
EUR
|
EUR
|
— | — | — | — | — | — | — | — | — | — |