Statement Of Cash Flows [Abstract]
| Concept |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Classes of cash payments from operating activities [abstract] | ||||||||||
| Other cash payments from operating activities | — |
20,629
EUR
|
9,490
EUR
|
— | — |
23,126
EUR
|
— |
11,375
EUR
|
— | — |
| Dividends received, classified as operating activities | — |
787,000
EUR
|
6,261
EUR
|
— | — |
2,985
EUR
|
— |
71,229
EUR
|
— | — |
| Interest paid, classified as operating activities | — |
52,921
EUR
|
31,881
EUR
|
— | — |
44,062
EUR
|
— |
21,335
EUR
|
— | — |
| Interest received, classified as operating activities | — |
372,903
EUR
|
207,188
EUR
|
— | — |
407,372
EUR
|
— |
228,618
EUR
|
— | — |
| Income taxes paid (refund), classified as operating activities | — |
6,645
EUR
|
3,779
EUR
|
— | — |
34,225
EUR
|
— |
23,283
EUR
|
— | — |
| Cash flows from (used in) operating activities | — |
1.214.616
EUR
|
1.081.737
EUR
|
— | — |
733,088
EUR
|
— |
640,147
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
-
EUR
|
-
EUR
|
— | — |
8,000
EUR
|
— |
3,437
EUR
|
— | — |
| Other cash receipts from sales of equity or debt instruments of other entities, classified as investing activities | — |
433,832
EUR
|
361,393
EUR
|
— | — |
244,591
EUR
|
— |
217,444
EUR
|
— | — |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — |
301,566
EUR
|
179,132
EUR
|
— | — |
467,538
EUR
|
— |
426,450
EUR
|
— | — |
| Purchase of intangible assets, classified as investing activities | — |
15,020
EUR
|
10,663
EUR
|
— | — |
13,311
EUR
|
— |
9,125
EUR
|
— | — |
| Cash flows from (used in) investing activities | — |
586,483
EUR
|
200,210
EUR
|
— | — |
248,682
EUR
|
— |
223,272
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Dividends paid, classified as financing activities | — |
-
EUR
|
-
EUR
|
— | — |
147,244
EUR
|
— |
142,600
EUR
|
— | — |
| Cash flows from (used in) financing activities | — |
74,222
EUR
|
74,222
EUR
|
— | — |
46,075
EUR
|
— |
65,721
EUR
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
2,176
EUR
|
2,080
EUR
|
— | — |
3,693
EUR
|
— |
1,189
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
1.875.321
EUR
|
955,749
EUR
|
— | — |
530,481
EUR
|
— |
482,596
EUR
|
— | — |
| Cash and cash equivalents |
4.136.412
EUR
|
— | — |
2.261.791
EUR
|
1.308.122
EUR
|
— |
2.263.267
EUR
|
— |
1.729.093
EUR
|
824,337
EUR
|