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 |
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 |
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 |
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 |
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 |
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 |
640,000,000
EUR
|
— | — | — |
6 171,4
EUR
|
— |
1 662,0
EUR
|
— |
2 052,2
EUR
|
— | — |
1 379,6
EUR
|
2,600,000,000
EUR
|
2,000,000
EUR
|
4 509,4
EUR
|
69,000,000
EUR
|
1 408,7
EUR
|
— | — | — | — |
6 239,1
EUR
|
387,000,000
EUR
|
— |
1 691,1
EUR
|
— | — |
1 804,7
EUR
|
45,000,000
EUR
|
1 379,6
EUR
|
165,000,000
EUR
|
4 548,0
EUR
|
1 408,7
EUR
|
— | — |
147,000,000
EUR
|
— | — |
40,000,000
EUR
|
1 993,2
EUR
|
6,052,000,000
EUR
|
3,863,000,000
EUR
|
3 811,9
EUR
|
22,000,000
EUR
|
1,030,000,000
EUR
|
3 425,6
EUR
|
343,000,000
EUR
|
9,663,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
3,656,000,000
EUR
|
— | — | — |
2,222,000,000
EUR
|
— |
1,434,000,000
EUR
|
— |
2,222,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
2,504,000,000
EUR
|
— | — |
3,818,000,000
EUR
|
— |
1,314,000,000
EUR
|
— | — | — | — | — | — | — |
3,818,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
3,631,000,000
EUR
|
— |
250,000,000
EUR
|
— |
3,244,000,000
EUR
|
— |
387,000,000
EUR
|
— | — |
2,778,000,000
EUR
|
— | — | — | — | — | — |
216,000,000
EUR
|
— | — |
2,392,000,000
EUR
|
— | — | — | — |
82,000,000
EUR
|
635,000,000
EUR
|
— | — | — | — | — | — |
2,310,000,000
EUR
|
1,502,000,000
EUR
|
— |
173,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
25,000,000
EUR
|
— |
250,000,000
EUR
|
— |
1,022,000,000
EUR
|
— |
1,047,000,000
EUR
|
— |
2,222,000,000
EUR
|
2,778,000,000
EUR
|
— | — | — | — | — | — |
216,000,000
EUR
|
— | — |
112,000,000
EUR
|
— | — |
3,818,000,000
EUR
|
— |
1,396,000,000
EUR
|
635,000,000
EUR
|
— | — | — | — | — | — |
1,508,000,000
EUR
|
1,502,000,000
EUR
|
— |
173,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Issue of equity | — |
68,000,000
EUR
|
— | — | — |
0
EUR
|
— |
68,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
4,133,000,000
EUR
|
1 216,9
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
1 216,9
EUR
|
— | — | — |
8,035,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
1,426,000,000
EUR
|
— | — | — |
0
EUR
|
— |
1,426,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
552,000,000
EUR
|
— | — | — | — |
552,000,000
EUR
|
— | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
43,000,000
EUR
|
43,000,000
EUR
|
— | — |
43,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
5,000,000
EUR
|
— |
5,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
5,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
84,000,000
EUR
|
— | — | — |
84,000,000
EUR
|
— | — | — |
84,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
92,000,000
EUR
|
— | — |
92,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
92,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |