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 |
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 |
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 |
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 |
3 587
EUR
|
— | — | — |
4 511
EUR
|
883,000,000
EUR
|
218,000,000
EUR
|
386,000,000
EUR
|
22,000,000
EUR
|
149,000,000
EUR
|
924,000,000
EUR
|
— | — | — |
22,000,000
EUR
|
296,000,000
EUR
|
— |
3 537
EUR
|
— |
930,000,000
EUR
|
881,000,000
EUR
|
218,000,000
EUR
|
4 418
EUR
|
149,000,000
EUR
|
— | — |
218,000,000
EUR
|
124,000,000
EUR
|
4 782
EUR
|
2,000,000
EUR
|
122,000,000
EUR
|
4 790
EUR
|
719,000,000
EUR
|
149,000,000
EUR
|
149,000,000
EUR
|
717,000,000
EUR
|
940,000,000
EUR
|
22,000,000
EUR
|
2,000,000
EUR
|
22,000,000
EUR
|
218,000,000
EUR
|
940,000,000
EUR
|
4 063
EUR
|
4 073
EUR
|
8,000,000
EUR
|
10,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
413,000,000
EUR
|
141,000,000
EUR
|
272,000,000
EUR
|
— | — | — | — | — | — | — | — |
141,000,000
EUR
|
228,000,000
EUR
|
— | — |
168,000,000
EUR
|
— | — | — | — | — | — | — |
396,000,000
EUR
|
168,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
208,000,000
EUR
|
— |
185,000,000
EUR
|
— | — | — | — | — | — | — |
23,000,000
EUR
|
23,000,000
EUR
|
85,000,000
EUR
|
— | — |
2,000,000
EUR
|
— |
2,000,000
EUR
|
— | — | — | — | — |
87,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
205,000,000
EUR
|
141,000,000
EUR
|
87,000,000
EUR
|
— | — | — | — | — | — | — |
23,000,000
EUR
|
118,000,000
EUR
|
313,000,000
EUR
|
— | — |
170,000,000
EUR
|
— |
2,000,000
EUR
|
— | — | — | — | — |
483,000,000
EUR
|
168,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — |
-
EUR
|
— | — | — |
-
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
72,000,000
EUR
|
3,000,000
EUR
|
60,000,000
EUR
|
— | — | — | — | — | — | — |
9,000,000
EUR
|
12,000,000
EUR
|
36,000,000
EUR
|
— | — |
14,000,000
EUR
|
— |
12,000,000
EUR
|
— | — | — | — | — |
50,000,000
EUR
|
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — |
-
EUR
|
— | — | — |
-
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — |
354,000,000
EUR
|
42,000,000
EUR
|
297,000,000
EUR
|
— | — | — | — | — | — | — |
15,000,000
EUR
|
57,000,000
EUR
|
18,000,000
EUR
|
— | — |
6,000,000
EUR
|
— | — | — | — | — | — | — |
24,000,000
EUR
|
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |