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 |
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 |
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 |
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 |
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 |
1 684,6
EUR
|
— | — | — |
2,788,000,000
EUR
|
147,000,000
EUR
|
2,579,000,000
EUR
|
— |
7,645,000,000
EUR
|
134,000,000
EUR
|
2,218,000,000
EUR
|
1,963,000,000
EUR
|
360,000,000
EUR
|
1 669,9
EUR
|
— | — | — |
149,000,000
EUR
|
5,805,000,000
EUR
|
— |
1 342,7
EUR
|
— |
1,409,000,000
EUR
|
— |
1 328,8
EUR
|
2,579,000,000
EUR
|
537,000,000
EUR
|
2,218,000,000
EUR
|
139,000,000
EUR
|
1,963,000,000
EUR
|
— | — |
5,371,000,000
EUR
|
132,000,000
EUR
|
1 192,1
EUR
|
2,218,000,000
EUR
|
811,000,000
EUR
|
1,963,000,000
EUR
|
163,000,000
EUR
|
858,000,000
EUR
|
2,579,000,000
EUR
|
1 205,3
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
2,397,000,000
EUR
|
2,317,000,000
EUR
|
80,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
2,317,000,000
EUR
|
— |
71,000,000
EUR
|
— | — |
1,081,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
1,152,000,000
EUR
|
1,081,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
1,871,000,000
EUR
|
318,000,000
EUR
|
2,000,000
EUR
|
— | — | — |
1,378,000,000
EUR
|
— | — | — | — | — | — |
1,873,000,000
EUR
|
177,000,000
EUR
|
1,000,000
EUR
|
— | — |
1,132,000,000
EUR
|
— |
595,000,000
EUR
|
— |
321,000,000
EUR
|
— | — | — | — | — | — |
1,133,000,000
EUR
|
215,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
4,267,000,000
EUR
|
2,635,000,000
EUR
|
78,000,000
EUR
|
— | — | — |
1,378,000,000
EUR
|
— | — | — | — | — | — |
4,189,000,000
EUR
|
177,000,000
EUR
|
72,000,000
EUR
|
— | — |
2,212,000,000
EUR
|
— |
595,000,000
EUR
|
— |
321,000,000
EUR
|
— | — | — | — | — | — |
2,284,000,000
EUR
|
1,296,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
959,000,000
EUR
|
889,000,000
EUR
|
70,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
889,000,000
EUR
|
— |
65,000,000
EUR
|
— | — |
888,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
953,000,000
EUR
|
888,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
4,000,000
EUR
|
4,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
4,000,000
EUR
|
— | — | — | — |
4,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
4,000,000
EUR
|
4,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
92,000,000
EUR
|
92,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
92,000,000
EUR
|
— | — | — | — |
33,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
33,000,000
EUR
|
33,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |