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 |
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 |
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 |
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 |
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 |
As at 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||
| Equity | — | — |
19,849,000,000
EUR
|
— |
15,600,000,000
EUR
|
— | — | — |
1,231,000,000
EUR
|
4,988,000,000
EUR
|
— |
1,002,000,000
EUR
|
17,009,000,000
EUR
|
1,610,000,000
EUR
|
4,580,000,000
EUR
|
— |
18,764,000,000
EUR
|
— | — | — | — |
3,551,000,000
EUR
|
— |
3,601,000,000
EUR
|
4,990,000,000
EUR
|
1,127,000,000
EUR
|
13,637,000,000
EUR
|
1,002,000,000
EUR
|
16,027,000,000
EUR
|
— |
18,767,000,000
EUR
|
1,126,000,000
EUR
|
1,610,000,000
EUR
|
4,990,000,000
EUR
|
1,002,000,000
EUR
|
13,590,000,000
EUR
|
1,610,000,000
EUR
|
— | — |
16,030,000,000
EUR
|
10,121,000,000
EUR
|
1,622,000,000
EUR
|
15,475,000,000
EUR
|
3,272,000,000
EUR
|
12,843,000,000
EUR
|
1,010,000,000
EUR
|
4,992,000,000
EUR
|
1,002,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
2,578,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,797,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income |
1,060,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
356,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
1,518,000,000
EUR
|
0
EUR
|
— |
1,357,000,000
EUR
|
— |
161,000,000
EUR
|
2,386,000,000
EUR
|
0
EUR
|
— | — |
0
EUR
|
— | — | — | — |
1,029,000,000
EUR
|
— |
0
EUR
|
3,441,000,000
EUR
|
3,627,000,000
EUR
|
147,000,000
EUR
|
— |
0
EUR
|
— | — | — | — | — | — |
332,000,000
EUR
|
— | — | — | — | — | — | — |
3,295,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — |
| Issue of equity |
0
EUR
|
0
EUR
|
— |
0
EUR
|
— |
0
EUR
|
0
EUR
|
0
EUR
|
— | — |
0
EUR
|
— | — | — | — |
0
EUR
|
— |
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
— |
0
EUR
|
— | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — |
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
428,000,000
EUR
|
109,000,000
EUR
|
— |
263,000,000
EUR
|
— |
57,000,000
EUR
|
263,000,000
EUR
|
0
EUR
|
— | — |
0
EUR
|
— | — | — | — |
0
EUR
|
— |
0
EUR
|
119,000,000
EUR
|
0
EUR
|
26,000,000
EUR
|
— |
92,000,000
EUR
|
— | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — |
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
5,000,000
EUR
|
0
EUR
|
— |
5,000,000
EUR
|
— |
0
EUR
|
5,000,000
EUR
|
0
EUR
|
— | — |
0
EUR
|
— | — | — | — |
0
EUR
|
— |
0
EUR
|
19,000,000
EUR
|
19,000,000
EUR
|
4,000,000
EUR
|
— |
0
EUR
|
— | — | — | — | — | — |
4,000,000
EUR
|
— | — | — | — | — | — | — |
15,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
2,000,000
EUR
|
1,000,000
EUR
|
— |
1,000,000
EUR
|
— |
0
EUR
|
0
EUR
|
1,000,000
EUR
|
— | — |
0
EUR
|
— | — | — | — |
0
EUR
|
— |
1,000,000
EUR
|
14,000,000
EUR
|
0
EUR
|
0
EUR
|
— |
12,000,000
EUR
|
— | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — |
3,000,000
EUR
|
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — |