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 |
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 |
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 |
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 |
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 |
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 |
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 |
As at 2021-12-31 |
As at 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 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
1,065,400
EUR
|
— | — |
194,000,000
EUR
|
— | — |
121,000,000
EUR
|
3,885,000,000
EUR
|
— | — | — |
17,000,000
EUR
|
2,317,000,000
EUR
|
3,640,000,000
EUR
|
823,000,000
EUR
|
1,067,100
EUR
|
— | — |
66,000,000
EUR
|
— | — |
2,502,000,000
EUR
|
— | — |
43,000,000
EUR
|
8,853,000,000
EUR
|
2,316,000,000
EUR
|
85,000,000
EUR
|
— | — | — | — |
151,000,000
EUR
|
8,848,000,000
EUR
|
— |
366,000,000
EUR
|
3,640,000,000
EUR
|
5,000,000
EUR
|
— | — |
192,000,000
EUR
|
13,000,000
EUR
|
104,000,000
EUR
|
5,825,000,000
EUR
|
3,640,000,000
EUR
|
2,525,000,000
EUR
|
54,000,000
EUR
|
132,000,000
EUR
|
231,000,000
EUR
|
5,838,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
0
EUR
|
2,317,000,000
EUR
|
— |
2,325,000,000
EUR
|
8,000,000
EUR
|
— | — |
0
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — | — |
0
EUR
|
2,325,000,000
EUR
|
— |
0
EUR
|
6,000,000
EUR
|
— |
0
EUR
|
2,509,000,000
EUR
|
— | — | — | — |
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
— | — |
0
EUR
|
— | — | — |
2,502,000,000
EUR
|
2,509,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
0
EUR
|
442,000,000
EUR
|
— |
2,502,000,000
EUR
|
0
EUR
|
— | — |
19,000,000
EUR
|
2,502,000,000
EUR
|
78,000,000
EUR
|
— | — | — | — | — |
43,000,000
EUR
|
442,000,000
EUR
|
— |
458,000,000
EUR
|
0
EUR
|
— |
19,000,000
EUR
|
537,000,000
EUR
|
— | — | — | — |
97,000,000
EUR
|
192,000,000
EUR
|
19,000,000
EUR
|
597,000,000
EUR
|
— | — |
0
EUR
|
— | — | — |
537,000,000
EUR
|
192,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
0
EUR
|
2,759,000,000
EUR
|
— |
178,000,000
EUR
|
8,000,000
EUR
|
— | — |
19,000,000
EUR
|
2,502,000,000
EUR
|
78,000,000
EUR
|
— | — | — | — | — |
43,000,000
EUR
|
2,767,000,000
EUR
|
— |
458,000,000
EUR
|
6,000,000
EUR
|
— |
19,000,000
EUR
|
3,046,000,000
EUR
|
— | — | — | — |
97,000,000
EUR
|
192,000,000
EUR
|
19,000,000
EUR
|
597,000,000
EUR
|
— | — |
0
EUR
|
— | — | — |
3,040,000,000
EUR
|
2,701,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
0
EUR
|
985,000,000
EUR
|
— |
0
EUR
|
5,000,000
EUR
|
— | — |
0
EUR
|
980,000,000
EUR
|
0
EUR
|
— | — | — | — | — |
0
EUR
|
980,000,000
EUR
|
— |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
0
EUR
|
27,000,000
EUR
|
— |
8,000,000
EUR
|
10,000,000
EUR
|
— | — |
0
EUR
|
47,000,000
EUR
|
0
EUR
|
— | — | — | — | — |
0
EUR
|
36,000,000
EUR
|
— |
2,000,000
EUR
|
1,000,000
EUR
|
— |
0
EUR
|
23,000,000
EUR
|
— | — | — | — |
0
EUR
|
17,000,000
EUR
|
0
EUR
|
0
EUR
|
— | — |
0
EUR
|
— | — | — |
24,000,000
EUR
|
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) in equity | — | — |
1,801,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |