Statement Of Comprehensive Income [Abstract]
| Concept |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||
| Profit (loss) |
19,405
EUR
|
— |
24,281
EUR
|
— |
4,875
EUR
|
19,405
EUR
|
— | — | — | — |
170,957
EUR
|
170,957
EUR
|
175,092
EUR
|
4,135
EUR
|
| Other comprehensive income [abstract] | ||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||||||||
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — | — |
35,708
EUR
|
— | — | — | — | — | — | — | — | — |
66,648
EUR
|
— |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||
| Available-for-sale financial assets [abstract] | ||||||||||||||
| Gains (losses) on remeasuring available-for-sale financial assets, before tax | — | — |
632,111
EUR
|
— | — | — | — | — | — | — | — | — |
1.003.627
EUR
|
— |
| Reclassification adjustments on available-for-sale financial assets, before tax | — | — |
68,659
EUR
|
— | — | — | — | — | — | — | — | — |
46,216
EUR
|
— |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — | — |
8,913
EUR
|
— | — | — | — | — | — | — | — | — |
16,651
EUR
|
— |
| Other comprehensive income |
15,192
EUR
|
200,033
EUR
|
111,292
EUR
|
42,596
EUR
|
4,107
EUR
|
115,399
EUR
|
26,847
EUR
|
49,967
EUR
|
9,436
EUR
|
401,255
EUR
|
362,733
EUR
|
2,009
EUR
|
368,618
EUR
|
5,885
EUR
|
| Comprehensive income |
4,214
EUR
|
200,033
EUR
|
135,573
EUR
|
42,596
EUR
|
768,000
EUR
|
134,805
EUR
|
26,847
EUR
|
49,967
EUR
|
9,436
EUR
|
401,255
EUR
|
533,690
EUR
|
172,966
EUR
|
543,710
EUR
|
10,020
EUR
|
| Comprehensive income attributable to [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
134,805
EUR
|
— | — | — | — | — | — | — | — | — |
533,690
EUR
|
— |
| Comprehensive income, attributable to non-controlling interests | — | — |
768,000
EUR
|
— | — | — | — | — | — | — | — | — |
10,020
EUR
|
— |