Statement Of Changes In Equity [Abstract]
| Concept |
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 |
2022-01-01 to 2022-12-31 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||
| Increase (decrease) through appropriation of retained earnings, equity |
2,401,000,000
EUR
|
0
EUR
|
— |
2,401,000,000
EUR
|
0
EUR
|
— | — |
2,401,000,000
EUR
|
— | — |
301,000,000
EUR
|
— |
301,000,000
EUR
|
301,000,000
EUR
|
0
EUR
|
0
EUR
|
| Increase (decrease) through transactions with owners, equity |
2,401,000,000
EUR
|
1,068,000,000
EUR
|
53,000,000
EUR
|
1,386,000,000
EUR
|
1,346,000,000
EUR
|
278,000,000
EUR
|
103,000,000
EUR
|
1,283,000,000
EUR
|
119,000,000
EUR
|
105,000,000
EUR
|
301,000,000
EUR
|
67,000,000
EUR
|
796,000,000
EUR
|
901,000,000
EUR
|
1,269,000,000
EUR
|
1,388,000,000
EUR
|
| Cancellation of treasury shares | — |
108,000,000
EUR
|
53,000,000
EUR
|
55,000,000
EUR
|
108,000,000
EUR
|
— | — |
55,000,000
EUR
|
— | — | — |
67,000,000
EUR
|
33,000,000
EUR
|
33,000,000
EUR
|
100,000,000
EUR
|
100,000,000
EUR
|