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 |
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 |
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 |
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 |
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 |
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 |
3,356,000,000
EUR
|
— | — | — | — | — |
1,000,000
EUR
|
0
EUR
|
2,046,000,000
EUR
|
776,000,000
EUR
|
189,000,000
EUR
|
3,356,000,000
EUR
|
— |
0
EUR
|
733,000,000
EUR
|
— | — |
11,000,000
EUR
|
— | — |
1,029,000,000
EUR
|
— |
1,000,000
EUR
|
— | — |
2,682,000,000
EUR
|
— |
11,000,000
EUR
|
144,000,000
EUR
|
720,000,000
EUR
|
— | — | — |
0
EUR
|
2,682,000,000
EUR
|
— |
0
EUR
|
776,000,000
EUR
|
— | — |
5,444,000,000
EUR
|
0
EUR
|
1,004,000,000
EUR
|
1,441,000,000
EUR
|
203,000,000
EUR
|
438,000,000
EUR
|
1,058,000,000
EUR
|
2,504,000,000
EUR
|
2,062,000,000
EUR
|
1,861,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — |
1,016,000,000
EUR
|
1,016,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1,016,000,000
EUR
|
— | — | — | — | — | — | — |
479,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
479,000,000
EUR
|
479,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — |
356,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
49,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
0
EUR
|
0
EUR
|
661,000,000
EUR
|
1,016,000,000
EUR
|
22,000,000
EUR
|
— | — | — | — | — | — |
0
EUR
|
— | — |
0
EUR
|
661,000,000
EUR
|
— |
0
EUR
|
333,000,000
EUR
|
— |
11,000,000
EUR
|
— |
0
EUR
|
430,000,000
EUR
|
— |
0
EUR
|
— | — | — |
59,000,000
EUR
|
0
EUR
|
0
EUR
|
— | — |
0
EUR
|
— | — |
430,000,000
EUR
|
478,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Issue of equity | — | — | — |
13,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
13,000,000
EUR
|
13,000,000
EUR
|
— | — | — | — | — | — | — |
720,000,000
EUR
|
— | — | — | — | — | — |
720,000,000
EUR
|
531,000,000
EUR
|
— | — | — | — | — |
189,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
0
EUR
|
0
EUR
|
14,000,000
EUR
|
1,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — |
0
EUR
|
— | — |
13,000,000
EUR
|
14,000,000
EUR
|
— |
0
EUR
|
0
EUR
|
— |
0
EUR
|
— |
437,000,000
EUR
|
1,248,000,000
EUR
|
— |
1,861,000,000
EUR
|
— | — | — |
0
EUR
|
1,784,000,000
EUR
|
1,058,000,000
EUR
|
— | — |
665,000,000
EUR
|
— | — |
189,000,000
EUR
|
5,995,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — |
1,000,000
EUR
|
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |