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 |
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 |
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 |
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 |
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 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 |
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 |
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 |
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 |
613,000,000
EUR
|
— | — | — |
2 251
EUR
|
5,000,000
EUR
|
386,000,000
EUR
|
— | — |
105,000,000
EUR
|
1 045
EUR
|
173,000,000
EUR
|
338,000,000
EUR
|
57,000,000
EUR
|
499,000,000
EUR
|
— |
517,000,000
EUR
|
718,000,000
EUR
|
23,000,000
EUR
|
21,000,000
EUR
|
42,000,000
EUR
|
1,000,000
EUR
|
— | — | — | — |
28,000,000
EUR
|
— |
129,000,000
EUR
|
— | — |
67,000,000
EUR
|
10,000,000
EUR
|
313,000,000
EUR
|
— | — |
869,000,000
EUR
|
— | — | — |
2 294
EUR
|
— | — |
615,000,000
EUR
|
— |
7,000,000
EUR
|
— |
953,000,000
EUR
|
— |
1 055
EUR
|
499,000,000
EUR
|
153,000,000
EUR
|
84,000,000
EUR
|
— |
96,000,000
EUR
|
1 230
EUR
|
493,000,000
EUR
|
10,000,000
EUR
|
238,000,000
EUR
|
675,000,000
EUR
|
141,000,000
EUR
|
950,000,000
EUR
|
2 363
EUR
|
1 134
EUR
|
37,000,000
EUR
|
33,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
-
EUR
|
-
EUR
|
417,000,000
EUR
|
— | — | — |
31,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
— | — | — | — | — | — |
386,000,000
EUR
|
386,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
30,000,000
EUR
|
— | — | — |
-
EUR
|
313,000,000
EUR
|
— |
313,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — |
343,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
-
EUR
|
-
EUR
|
101,000,000
EUR
|
— | — | — |
1,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — |
10,000,000
EUR
|
— | — | — | — | — | — |
-
EUR
|
100,000,000
EUR
|
12,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
98,000,000
EUR
|
-
EUR
|
— | — | — |
-
EUR
|
41,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
3,000,000
EUR
|
— |
61,000,000
EUR
|
— |
23,000,000
EUR
|
— |
-
EUR
|
— | — | — | — |
41,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
-
EUR
|
-
EUR
|
518,000,000
EUR
|
— | — | — |
32,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — |
10,000,000
EUR
|
— | — | — | — | — | — |
386,000,000
EUR
|
486,000,000
EUR
|
12,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
98,000,000
EUR
|
30,000,000
EUR
|
— | — | — |
-
EUR
|
354,000,000
EUR
|
— |
313,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
3,000,000
EUR
|
— |
61,000,000
EUR
|
— |
23,000,000
EUR
|
— |
-
EUR
|
— | — | — | — |
384,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Issue of equity | — |
-
EUR
|
-
EUR
|
-
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
2,000,000
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — |
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
-
EUR
|
-
EUR
|
238,000,000
EUR
|
— | — | — |
14,000,000
EUR
|
224,000,000
EUR
|
— | — | — | — | — | — |
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
224,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
36,000,000
EUR
|
— | — | — |
-
EUR
|
185,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
185,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — |
221,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
-
EUR
|
-
EUR
|
16,000,000
EUR
|
— | — | — |
6,000,000
EUR
|
9,000,000
EUR
|
— | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — |
-
EUR
|
10,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
1,000,000
EUR
|
— | — | — |
-
EUR
|
7,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
7,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — |
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — |
10,000,000
EUR
|
-
EUR
|
10,000,000
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
10,000,000
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — |
30,000,000
EUR
|
30,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — |
30,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
-
EUR
|
-
EUR
|
20,000,000
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
20,000,000
EUR
|
-
EUR
|
20,000,000
EUR
|
— |
-
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — |
-
EUR
|
12,000,000
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— |
12,000,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — | — | — |
12,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |