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 |
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 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 |
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 |
9,081,000,000
EUR
|
— | — |
371,000,000
EUR
|
— |
8,211,000,000
EUR
|
348,000,000
EUR
|
922,000,000
EUR
|
108,000,000
EUR
|
33,000,000
EUR
|
8,233,000,000
EUR
|
— | — |
182,000,000
EUR
|
6,789,000,000
EUR
|
— | — |
7,479,000,000
EUR
|
6,607,000,000
EUR
|
— |
0
EUR
|
33,000,000
EUR
|
84,000,000
EUR
|
922,000,000
EUR
|
— | — |
6,941,000,000
EUR
|
922,000,000
EUR
|
289,000,000
EUR
|
215,000,000
EUR
|
79,000,000
EUR
|
6,436,000,000
EUR
|
7,313,000,000
EUR
|
34,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — |
3,495,000,000
EUR
|
— |
3,495,000,000
EUR
|
— | — | — | — | — | — |
3,495,000,000
EUR
|
— | — | — | — | — | — | — |
1,938,000,000
EUR
|
— | — | — | — |
1,938,000,000
EUR
|
1,938,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Other comprehensive income | — | — |
342,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
306,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — |
3,837,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,244,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — | — |
2,112,000,000
EUR
|
— |
2,112,000,000
EUR
|
— | — | — | — | — | — |
2,112,000,000
EUR
|
— | — | — | — | — | — | — |
2,112,000,000
EUR
|
— | — | — | — |
2,112,000,000
EUR
|
2,112,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — |
0
EUR
|
— |
0
EUR
|
— | — | — | — | — | — |
0
EUR
|
0
EUR
|
— | — |
1,000,000
EUR
|
— | — | — |
0
EUR
|
— | — | — | — |
1,000,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
13,000,000
EUR
|
57,000,000
EUR
|
— |
43,000,000
EUR
|
— | — | — | — | — | — |
57,000,000
EUR
|
— | — | — | — |
34,000,000
EUR
|
— | — |
35,000,000
EUR
|
— | — | — | — |
35,000,000
EUR
|
1,000,000
EUR
|
— | — | — | — | — | — | — | — |