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 |
2022-01-01 to 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 |
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 |
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 |
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 |
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 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 |
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 |
2,791,000,000
EUR
|
— | — | — | — | — | — |
219,000,000
EUR
|
— |
104,000,000
EUR
|
— |
2,154,000,000
EUR
|
— |
246,000,000
EUR
|
729,000,000
EUR
|
259,000,000
EUR
|
1,349,000,000
EUR
|
41,000,000
EUR
|
668,000,000
EUR
|
198,000,000
EUR
|
2,545,000,000
EUR
|
— | — | — | — |
48,000,000
EUR
|
724,000,000
EUR
|
66,000,000
EUR
|
104,000,000
EUR
|
— | — | — | — |
3,303,000,000
EUR
|
— |
2,154,000,000
EUR
|
259,000,000
EUR
|
— | — |
126,000,000
EUR
|
— |
3,083,000,000
EUR
|
— |
729,000,000
EUR
|
668,000,000
EUR
|
221,000,000
EUR
|
— | — |
664,000,000
EUR
|
8,000,000
EUR
|
203,000,000
EUR
|
3,088,000,000
EUR
|
668,000,000
EUR
|
2,154,000,000
EUR
|
729,000,000
EUR
|
103,000,000
EUR
|
106,000,000
EUR
|
48,000,000
EUR
|
3,291,000,000
EUR
|
259,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
-
EUR
|
-
EUR
|
-
EUR
|
660,000,000
EUR
|
697,000,000
EUR
|
37,000,000
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — | — |
697,000,000
EUR
|
-
EUR
|
-
EUR
|
32,000,000
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
45,000,000
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — |
12,000,000
EUR
|
45,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
-
EUR
|
-
EUR
|
-
EUR
|
222,000,000
EUR
|
141,000,000
EUR
|
-
EUR
|
— |
153,000,000
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — | — |
222,000,000
EUR
|
-
EUR
|
72,000,000
EUR
|
-
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
74,000,000
EUR
|
83,000,000
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
— |
20,000,000
EUR
|
— |
-
EUR
|
— | — | — |
83,000,000
EUR
|
29,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
-
EUR
|
-
EUR
|
-
EUR
|
438,000,000
EUR
|
555,000,000
EUR
|
37,000,000
EUR
|
— |
153,000,000
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — | — |
474,000,000
EUR
|
-
EUR
|
72,000,000
EUR
|
32,000,000
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
74,000,000
EUR
|
39,000,000
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
— |
20,000,000
EUR
|
— |
-
EUR
|
— | — | — |
71,000,000
EUR
|
15,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
-
EUR
|
-
EUR
|
-
EUR
|
53,000,000
EUR
|
39,000,000
EUR
|
14,000,000
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — | — |
39,000,000
EUR
|
-
EUR
|
-
EUR
|
14,000,000
EUR
|
— | — | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
29,000,000
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — |
43,000,000
EUR
|
29,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
7,000,000
EUR
|
-
EUR
|
-
EUR
|
0
EUR
|
7,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — | — |
0
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
-
EUR
|
-
EUR
|
-
EUR
|
3,000,000
EUR
|
3,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — | — | — | — | — |
3,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — |
-
EUR
|
0
EUR
|
-
EUR
|
5,000,000
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — |
5,000,000
EUR
|
5,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |