Statement Of Comprehensive Income [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||
| Profit (loss) |
-
EUR
|
-
EUR
|
-
EUR
|
5,086,000,000
EUR
|
357,000,000
EUR
|
4,729,000,000
EUR
|
4,729,000,000
EUR
|
3,268,000,000
EUR
|
-
EUR
|
-
EUR
|
3,268,000,000
EUR
|
4,245,000,000
EUR
|
977,000,000
EUR
|
-
EUR
|
| Other comprehensive income [abstract] | ||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans |
-
EUR
|
-
EUR
|
-
EUR
|
11,000,000
EUR
|
0
EUR
|
9,000,000
EUR
|
9,000,000
EUR
|
30,000,000
EUR
|
-
EUR
|
-
EUR
|
30,000,000
EUR
|
30,000,000
EUR
|
0
EUR
|
-
EUR
|
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — | — |
11,000,000
EUR
|
— | — | — | — | — | — | — |
30,000,000
EUR
|
— | — |
| Comprehensive income |
-
EUR
|
-
EUR
|
-
EUR
|
5,075,000,000
EUR
|
357,000,000
EUR
|
4,720,000,000
EUR
|
4,720,000,000
EUR
|
3,298,000,000
EUR
|
-
EUR
|
-
EUR
|
3,298,000,000
EUR
|
4,275,000,000
EUR
|
977,000,000
EUR
|
-
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
4,718,000,000
EUR
|
— | — | — | — | — | — | — |
3,298,000,000
EUR
|
— | — |