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 |
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 |
As at 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 |
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 |
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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
5,108,000,000
EUR
|
— | — | — | — | — | — | — |
963,000,000
EUR
|
361,000,000
EUR
|
4,586,000,000
EUR
|
1,272,000,000
EUR
|
6,000,000
EUR
|
304,000,000
EUR
|
667,000,000
EUR
|
208,000,000
EUR
|
4,747,000,000
EUR
|
— |
13,000,000
EUR
|
— | — | — | — |
7,000,000
EUR
|
304,000,000
EUR
|
1,413,000,000
EUR
|
— |
782,000,000
EUR
|
— | — | — | — |
5,621,000,000
EUR
|
— |
–
EUR
|
492,000,000
EUR
|
— |
5,176,000,000
EUR
|
153,000,000
EUR
|
— |
445,000,000
EUR
|
4,587,000,000
EUR
|
— | — |
509,000,000
EUR
|
–
EUR
|
355,000,000
EUR
|
4,480,000,000
EUR
|
301,000,000
EUR
|
4,000,000
EUR
|
451,000,000
EUR
|
4,587,000,000
EUR
|
551,000,000
EUR
|
4,835,000,000
EUR
|
89,000,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
–
EUR
|
–
EUR
|
–
EUR
|
140,000,000
EUR
|
121,000,000
EUR
|
19,000,000
EUR
|
–
EUR
|
— | — | — | — | — | — | — | — | — |
121,000,000
EUR
|
— |
–
EUR
|
–
EUR
|
–
EUR
|
48,000,000
EUR
|
— | — | — |
–
EUR
|
— |
–
EUR
|
–
EUR
|
–
EUR
|
1,018,000,000
EUR
|
— |
–
EUR
|
— | — |
–
EUR
|
— | — |
–
EUR
|
— | — |
1,066,000,000
EUR
|
1,018,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
–
EUR
|
–
EUR
|
–
EUR
|
183,000,000
EUR
|
–
EUR
|
21,000,000
EUR
|
13,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
162,000,000
EUR
|
— |
–
EUR
|
175,000,000
EUR
|
–
EUR
|
27,000,000
EUR
|
— | — | — |
–
EUR
|
— |
–
EUR
|
–
EUR
|
–
EUR
|
59,000,000
EUR
|
— |
–
EUR
|
— | — |
59,000,000
EUR
|
— | — |
–
EUR
|
— | — |
86,000,000
EUR
|
–
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
–
EUR
|
–
EUR
|
–
EUR
|
43,000,000
EUR
|
121,000,000
EUR
|
2,000,000
EUR
|
13,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
41,000,000
EUR
|
— |
–
EUR
|
175,000,000
EUR
|
–
EUR
|
75,000,000
EUR
|
— | — | — |
–
EUR
|
— |
–
EUR
|
–
EUR
|
–
EUR
|
1,077,000,000
EUR
|
— |
–
EUR
|
— | — |
59,000,000
EUR
|
— | — |
–
EUR
|
— | — |
1,152,000,000
EUR
|
1,018,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Issue of equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
EUR
|
— | — | — |
–
EUR
|
— |
–
EUR
|
–
EUR
|
–
EUR
|
3,000,000
EUR
|
— |
–
EUR
|
— | — |
–
EUR
|
— | — |
3,000,000
EUR
|
— | — |
3,000,000
EUR
|
–
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
–
EUR
|
–
EUR
|
–
EUR
|
178,000,000
EUR
|
178,000,000
EUR
|
–
EUR
|
–
EUR
|
— | — | — | — | — | — | — | — | — |
178,000,000
EUR
|
— |
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
— | — | — |
–
EUR
|
— |
–
EUR
|
–
EUR
|
–
EUR
|
104,000,000
EUR
|
— |
–
EUR
|
— | — |
–
EUR
|
— | — |
–
EUR
|
— | — |
104,000,000
EUR
|
104,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — |
–
EUR
|
–
EUR
|
181,000,000
EUR
|
235,000,000
EUR
|
–
EUR
|
54,000,000
EUR
|
–
EUR
|
— | — | — | — | — | — | — | — | — |
181,000,000
EUR
|
— |
–
EUR
|
–
EUR
|
–
EUR
|
37,000,000
EUR
|
— | — | — |
–
EUR
|
— |
–
EUR
|
331,000,000
EUR
|
–
EUR
|
331,000,000
EUR
|
— |
–
EUR
|
— | — |
–
EUR
|
— | — |
–
EUR
|
— | — |
368,000,000
EUR
|
–
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — |
–
EUR
|
–
EUR
|
–
EUR
|
173,000,000
EUR
|
119,000,000
EUR
|
54,000,000
EUR
|
–
EUR
|
— | — | — | — | — | — | — | — | — |
119,000,000
EUR
|
— |
–
EUR
|
–
EUR
|
–
EUR
|
4,000,000
EUR
|
— | — | — |
–
EUR
|
— |
–
EUR
|
–
EUR
|
–
EUR
|
10,000,000
EUR
|
— |
–
EUR
|
— | — |
–
EUR
|
— | — |
–
EUR
|
— | — |
14,000,000
EUR
|
10,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
–
EUR
|
–
EUR
|
–
EUR
|
90,000,000
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
— | — | — | — | — | — | — | — | — |
90,000,000
EUR
|
— |
–
EUR
|
–
EUR
|
90,000,000
EUR
|
–
EUR
|
— | — | — |
–
EUR
|
— |
–
EUR
|
–
EUR
|
64,000,000
EUR
|
64,000,000
EUR
|
— |
–
EUR
|
— | — |
–
EUR
|
— | — |
–
EUR
|
— | — |
64,000,000
EUR
|
–
EUR
|
— | — | — | — | — | — | — | — | — | — | — |