Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 |
As at 2021-12-31 |
2021-01-01 to 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 |
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 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 |
18,764,000,000
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
|
— |
1,610,000,000
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
|
4,992,000,000
EUR
|
— |
1,010,000,000
EUR
|
1,002,000,000
EUR
|
— | — | — |
9,234,000,000
EUR
|
820,000,000
EUR
|
11,835,000,000
EUR
|
1,002,000,000
EUR
|
3,394,000,000
EUR
|
1,633,000,000
EUR
|
4,992,000,000
EUR
|
14,288,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — |
3,797,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,508,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — |
356,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
150,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
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
|
164,000,000
EUR
|
— | — |
1,493,000,000
EUR
|
— |
121,000,000
EUR
|
0
EUR
|
— | — | — |
0
EUR
|
— | — |
0
EUR
|
1,658,000,000
EUR
|
1,372,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Issue of equity | — |
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — | — | — |
0
EUR
|
— |
0
EUR
|
0
EUR
|
49,000,000
EUR
|
— | — |
0
EUR
|
— |
0
EUR
|
0
EUR
|
— | — | — |
0
EUR
|
— | — |
0
EUR
|
49,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
0
EUR
|
119,000,000
EUR
|
0
EUR
|
26,000,000
EUR
|
92,000,000
EUR
|
— | — | — | — | — | — |
0
EUR
|
— |
0
EUR
|
0
EUR
|
39,000,000
EUR
|
— | — |
404,000,000
EUR
|
— |
0
EUR
|
0
EUR
|
— | — | — |
0
EUR
|
— | — |
92,000,000
EUR
|
536,000,000
EUR
|
404,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
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
|
15,000,000
EUR
|
— | — |
11,000,000
EUR
|
— |
0
EUR
|
0
EUR
|
— | — | — |
0
EUR
|
— | — |
0
EUR
|
26,000,000
EUR
|
11,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
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
|
0
EUR
|
— | — |
0
EUR
|
— |
0
EUR
|
0
EUR
|
— | — | — |
0
EUR
|
— | — |
11,000,000
EUR
|
11,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — |