Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
2023-01-01 to 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 |
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 |
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 |
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 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 |
586,000,000
EUR
|
— | — | — |
36 405,6
EUR
|
— | — | — | — |
13 330,3
EUR
|
— |
1 303,9
EUR
|
305,000,000
EUR
|
— |
4,722,000,000
EUR
|
151,000,000
EUR
|
— |
6 734,4
EUR
|
15 243,2
EUR
|
— | — |
6,353,000,000
EUR
|
23 075,3
EUR
|
— | — | — | — |
36 567,5
EUR
|
533,000,000
EUR
|
— | — | — | — |
15 475,6
EUR
|
233,000,000
EUR
|
1 303,9
EUR
|
4,721,000,000
EUR
|
355,000,000
EUR
|
6 051,4
EUR
|
319,000,000
EUR
|
23 269,4
EUR
|
13 298,1
EUR
|
— | — | — | — |
248,000,000
EUR
|
99,000,000
EUR
|
12 136,4
EUR
|
6 008,8
EUR
|
34 418,0
EUR
|
1,700,000,000
EUR
|
19 478,9
EUR
|
1 303,9
EUR
|
2,569,000,000
EUR
|
4,716,000,000
EUR
|
14 939,1
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
-
EUR
|
5,661,000,000
EUR
|
-
EUR
|
— |
2,685,000,000
EUR
|
— |
2,976,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
— | — |
2,685,000,000
EUR
|
— | — |
-
EUR
|
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
2 724,0
EUR
|
— | — | — |
-
EUR
|
6,758,000,000
EUR
|
-
EUR
|
3 399,8
EUR
|
— | — | — | — | — | — | — | — | — |
-
EUR
|
3 399,8
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
-
EUR
|
8,329,000,000
EUR
|
56,000,000
EUR
|
— |
6,181,000,000
EUR
|
-
EUR
|
2,148,000,000
EUR
|
-
EUR
|
— |
404,000,000
EUR
|
— | — |
-
EUR
|
— | — | — | — | — |
94,000,000
EUR
|
6,547,000,000
EUR
|
— | — |
-
EUR
|
-
EUR
|
2,242,000,000
EUR
|
-
EUR
|
— | — |
1,270,000,000
EUR
|
1,133,000,000
EUR
|
482,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
706,000,000
EUR
|
3,375,000,000
EUR
|
-
EUR
|
917,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
-
EUR
|
1 398,9
EUR
|
56,000,000
EUR
|
— |
8,866,000,000
EUR
|
— |
5,124,000,000
EUR
|
-
EUR
|
— |
404,000,000
EUR
|
— | — |
-
EUR
|
— | — |
2,685,000,000
EUR
|
— | — |
94,000,000
EUR
|
6,547,000,000
EUR
|
— | — |
-
EUR
|
-
EUR
|
2 948,2
EUR
|
— | — | — |
1,270,000,000
EUR
|
7,891,000,000
EUR
|
482,000,000
EUR
|
3 399,8
EUR
|
— | — | — | — | — | — | — | — | — |
706,000,000
EUR
|
3 737,3
EUR
|
-
EUR
|
917,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Issue of equity | — |
-
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
1,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
1,000,000
EUR
|
— | — | — | — | — |
-
EUR
|
-
EUR
|
— | — |
-
EUR
|
5,000,000
EUR
|
-
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
5,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
-
EUR
|
4,092,000,000
EUR
|
-
EUR
|
— |
1,701,000,000
EUR
|
— |
2,392,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
— | — |
1,701,000,000
EUR
|
— | — |
-
EUR
|
-
EUR
|
— | — | — | — |
4,739,000,000
EUR
|
— | — | — | — |
2,980,000,000
EUR
|
— |
1,760,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
1,760,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
5,998,000,000
EUR
|
5,998,000,000
EUR
|
-
EUR
|
— |
5,998,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
— | — | — | — | — |
-
EUR
|
-
EUR
|
— | — |
107,000,000
EUR
|
-
EUR
|
107,000,000
EUR
|
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — |
-
EUR
|
107,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
-
EUR
|
207,000,000
EUR
|
-
EUR
|
— |
127,000,000
EUR
|
— |
81,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
— | — |
127,000,000
EUR
|
— | — |
-
EUR
|
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
244,000,000
EUR
|
— | — | — |
-
EUR
|
99,000,000
EUR
|
-
EUR
|
145,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
-
EUR
|
145,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — |