Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 |
As at 2022-12-31 |
2022-01-01 to 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 |
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 |
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 |
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 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — | — | — |
3 157,3
EUR
|
513,000,000
EUR
|
— |
2 772,5
EUR
|
— |
2 304,9
EUR
|
— | — | — |
333,000,000
EUR
|
— |
6,144,000,000
EUR
|
— |
1,699,000,000
EUR
|
4,547,000,000
EUR
|
165,000,000
EUR
|
3 124,0
EUR
|
129,000,000
EUR
|
— |
3 385,4
EUR
|
— | — | — |
2,372,000,000
EUR
|
— |
2 874,0
EUR
|
2 335,1
EUR
|
— |
475,000,000
EUR
|
6,144,000,000
EUR
|
187,000,000
EUR
|
1,699,000,000
EUR
|
5,312,000,000
EUR
|
3 337,9
EUR
|
— | — | — | — |
77,000,000
EUR
|
— | — |
134,000,000
EUR
|
2,401,000,000
EUR
|
3 241,9
EUR
|
440,000,000
EUR
|
2 719,5
EUR
|
2 182,4
EUR
|
3 193,4
EUR
|
6,144,000,000
EUR
|
5,811,000,000
EUR
|
1,699,000,000
EUR
|
485,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
538,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,544,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
-
EUR
|
1,212,000,000
EUR
|
513,000,000
EUR
|
— | — |
1,208,000,000
EUR
|
— |
695,000,000
EUR
|
— |
15,000,000
EUR
|
4,000,000
EUR
|
-
EUR
|
— |
762,000,000
EUR
|
— |
-
EUR
|
— | — | — | — | — |
52,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
2,781,000,000
EUR
|
— |
268,000,000
EUR
|
— | — |
517,000,000
EUR
|
— | — | — | — | — | — |
141,000,000
EUR
|
262,000,000
EUR
|
2,372,000,000
EUR
|
2,513,000,000
EUR
|
— |
-
EUR
|
396,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
-
EUR
|
3,314,000,000
EUR
|
-
EUR
|
— | — |
3,267,000,000
EUR
|
— |
3,267,000,000
EUR
|
— |
3,267,000,000
EUR
|
47,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
1,375,000,000
EUR
|
— |
62,000,000
EUR
|
— | — |
-
EUR
|
— | — | — | — | — | — |
1,313,000,000
EUR
|
1,313,000,000
EUR
|
-
EUR
|
1,313,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |
-
EUR
|
134,000,000
EUR
|
-
EUR
|
— | — |
35,000,000
EUR
|
— |
35,000,000
EUR
|
— |
38,000,000
EUR
|
99,000,000
EUR
|
-
EUR
|
— |
3,000,000
EUR
|
— |
-
EUR
|
— | — | — | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
2,000,000
EUR
|
— |
216,000,000
EUR
|
— | — |
-
EUR
|
— | — | — | — | — | — |
218,000,000
EUR
|
115,000,000
EUR
|
-
EUR
|
218,000,000
EUR
|
— |
-
EUR
|
103,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
-
EUR
|
103,000,000
EUR
|
-
EUR
|
— | — |
103,000,000
EUR
|
— |
103,000,000
EUR
|
— |
103,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
135,000,000
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
— | — | — | — | — | — |
135,000,000
EUR
|
135,000,000
EUR
|
-
EUR
|
135,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |