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 |
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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||
| Equity |
2,507,000,000
EUR
|
— | — | — | — | — |
35,000,000
EUR
|
0
EUR
|
2,387,000,000
EUR
|
33,000,000
EUR
|
77,000,000
EUR
|
41,000,000
EUR
|
2,507,000,000
EUR
|
— | — | — |
46,000,000
EUR
|
2,180,000,000
EUR
|
70,000,000
EUR
|
— | — | — |
2,303,000,000
EUR
|
— |
2,296,000,000
EUR
|
7,000,000
EUR
|
17,000,000
EUR
|
77,000,000
EUR
|
— | — |
2,008,000,000
EUR
|
4,000,000
EUR
|
2,051,000,000
EUR
|
77,000,000
EUR
|
63,000,000
EUR
|
28,000,000
EUR
|
56,000,000
EUR
|
2,055,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — |
450,000,000
EUR
|
450,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — |
450,000,000
EUR
|
— |
5,000,000
EUR
|
— | — | — | — | — |
390,000,000
EUR
|
— | — | — | — | — | — |
395,000,000
EUR
|
390,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Other comprehensive income | — | — |
0
EUR
|
22,000,000
EUR
|
2,000,000
EUR
|
— | — | — | — | — | — | — | — |
22,000,000
EUR
|
24,000,000
EUR
|
— | — | — | — | — |
0
EUR
|
43,000,000
EUR
|
— |
44,000,000
EUR
|
— | — | — | — |
43,000,000
EUR
|
1,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — |
473,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
438,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — | — |
246,000,000
EUR
|
246,000,000
EUR
|
— | — | — | — | — | — | — | — |
246,000,000
EUR
|
— | — | — | — | — | — | — |
220,000,000
EUR
|
— | — | — | — | — | — |
220,000,000
EUR
|
220,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — | — | — |
7,000,000
EUR
|
7,000,000
EUR
|
— | — | — | — | — | — | — |
7,000,000
EUR
|
— |
2,000,000
EUR
|
— | — | — | — | — |
2,000,000
EUR
|
— | — | — | — | — | — | — |
2,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
14,000,000
EUR
|
34,000,000
EUR
|
21,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
21,000,000
EUR
|
— | — | — | — | — |
17,000,000
EUR
|
13,000,000
EUR
|
29,000,000
EUR
|
— | — | — | — | — | — |
29,000,000
EUR
|
— | — | — | — | — | — | — | — | — |