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 |
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 |
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 |
2022-01-01 to 2022-12-31 |
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 |
As at 2021-12-31 |
2021-01-01 to 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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||
| Equity |
3 672
EUR
|
— | — |
5,000,000
EUR
|
— | — | — |
0
EUR
|
576,000,000
EUR
|
2 971
EUR
|
148,000,000
EUR
|
9,000,000
EUR
|
3 672
EUR
|
— | — |
27,000,000
EUR
|
— | — | — |
2 566
EUR
|
— | — |
3 157
EUR
|
— |
23,000,000
EUR
|
101,000,000
EUR
|
— | — |
7,000,000
EUR
|
3 157
EUR
|
— |
575,000,000
EUR
|
147,000,000
EUR
|
0
EUR
|
— | — |
2 050
EUR
|
0
EUR
|
30,000,000
EUR
|
2 409
EUR
|
147,000,000
EUR
|
7,000,000
EUR
|
386,000,000
EUR
|
575,000,000
EUR
|
2 409
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — |
645,000,000
EUR
|
— |
645,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
645,000,000
EUR
|
— | — | — | — | — | — |
557,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
557,000,000
EUR
|
557,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — |
108,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
232,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
0
EUR
|
753,000,000
EUR
|
— |
645,000,000
EUR
|
0
EUR
|
4,000,000
EUR
|
— | — | — | — | — | — |
2,000,000
EUR
|
753,000,000
EUR
|
— |
0
EUR
|
110,000,000
EUR
|
0
EUR
|
— |
53,000,000
EUR
|
789,000,000
EUR
|
— |
0
EUR
|
— | — |
0
EUR
|
285,000,000
EUR
|
— | — |
0
EUR
|
— | — | — |
789,000,000
EUR
|
557,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — |
194,000,000
EUR
|
— |
194,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
194,000,000
EUR
|
— | — | — | — | — | — |
141,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
141,000,000
EUR
|
141,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
5,000,000
EUR
|
5,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — | — |
146,000,000
EUR
|
— |
146,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
146,000,000
EUR
|
— | — | — | — | — | — |
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
6,000,000
EUR
|
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
1,000,000
EUR
|
102,000,000
EUR
|
— |
100,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
102,000,000
EUR
|
— |
1,000,000
EUR
|
— | — | — | — |
89,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
89,000,000
EUR
|
89,000,000
EUR
|
— | — | — | — | — | — | — | — | — |