Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||||
| Property, plant and equipment [abstract] | ||||||
| Property, plant and equipment |
249,117,000
EUR
|
91,675,000
EUR
|
89,904,000
EUR
|
195,605,000
EUR
|
— | — |
| Intangible assets and goodwill [abstract] | ||||||
| Intangible assets and goodwill |
61,668,000
EUR
|
28,105,000
EUR
|
25,980,000
EUR
|
39,542,000
EUR
|
— | — |
| Investment property [abstract] | ||||||
| Investment property |
54,842,000
EUR
|
8,300,000
EUR
|
9,303,000
EUR
|
52,316,000
EUR
|
— | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | ||||||
| Investments in subsidiaries reported in separate financial statements |
-
EUR
|
749,060,000
EUR
|
351,883,000
EUR
|
-
EUR
|
— | — |
| Investments accounted for using equity method [abstract] | ||||||
| Investments accounted for using equity method |
7,988,000
EUR
|
— | — |
7,499,000
EUR
|
— | — |
| Categories of financial assets [abstract] | ||||||
| Financial assets at fair value through profit or loss [abstract] | ||||||
| Financial assets at fair value through profit or loss, mandatorily measured at fair value | — | — | — | — | — | — |
| Financial assets at fair value through profit or loss, classified as held for trading |
84,855,000
EUR
|
18,831,000
EUR
|
24,085,000
EUR
|
24,038,000
EUR
|
— | — |
| Financial assets at fair value through other comprehensive income [abstract] | ||||||
| Financial assets measured at fair value through other comprehensive income |
3,514,290,000
EUR
|
1,716,351,000
EUR
|
1,656,657,000
EUR
|
2,141,428,000
EUR
|
— | — |
| Cash and cash equivalents [abstract] | ||||||
| Cash [abstract] | ||||||
| Cash |
3,961,812,000
EUR
|
2,261,533,000
EUR
|
1,292,211,000
EUR
|
2,101,346,000
EUR
|
— | — |
| Cash and cash equivalents |
4,136,412,000
EUR
|
2,261,791,000
EUR
|
1,308,122,000
EUR
|
2,263,267,000
EUR
|
1,729,093,000
EUR
|
824,337,000
EUR
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | ||||||
| Non-current assets or disposal groups classified as held for sale |
8,658,000
EUR
|
4,454,000
EUR
|
5,532,000
EUR
|
43,191,000
EUR
|
— | — |
| Miscellaneous assets [abstract] | ||||||
| Derivative financial assets | — | — | — | — | — | — |
| Derivative financial assets held for hedging |
-
EUR
|
-
EUR
|
788,000
EUR
|
788,000
EUR
|
— | — |
| Categories of financial liabilities [abstract] | ||||||
| Financial liabilities at fair value through profit or loss [abstract] | ||||||
| Financial liabilities at fair value through profit or loss that meet definition of held for trading |
15,485,000
EUR
|
15,500,000
EUR
|
17,892,000
EUR
|
17,903,000
EUR
|
— | — |
| Miscellaneous liabilities [abstract] | ||||||
| Derivative financial liabilities | — | — | — | — | — | — |
| Derivative financial liabilities held for trading |
61,161,000
EUR
|
61,161,000
EUR
|
49,507,000
EUR
|
49,507,000
EUR
|
— | — |
| Issued capital [abstract] | ||||||
| Issued capital |
200,000,000
EUR
|
200,000,000
EUR
|
200,000,000
EUR
|
200,000,000
EUR
|
— | — |
| Retained earnings [abstract] | ||||||
| Retained earnings |
846,762,000
EUR
|
341,992,000
EUR
|
228,040,000
EUR
|
574,489,000
EUR
|
— | — |
| Accumulated other comprehensive income [abstract] | ||||||
| Accumulated other comprehensive income |
21,127,000
EUR
|
24,102,000
EUR
|
20,285,000
EUR
|
26,493,000
EUR
|
— | — |
| Miscellaneous equity [abstract] | ||||||
| Statutory reserve |
13,522,000
EUR
|
13,522,000
EUR
|
13,522,000
EUR
|
13,522,000
EUR
|
— | — |
| Net assets (liabilities) [abstract] | ||||||
| Assets |
19,565,855,000
EUR
|
11,026,603,000
EUR
|
9,801,557,000
EUR
|
14,174,088,000
EUR
|
— | — |
| Liabilities |
17,442,815,000
EUR
|
9,575,609,000
EUR
|
8,468,332,000
EUR
|
12,443,191,000
EUR
|
— | — |
| Assets less current liabilities [abstract] |