Statement Of Financial Position [Abstract]
| Concept |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
As at 2019-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Property, plant and equipment |
441,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
598,000,000
PLN
|
— | — | — | — | — | — | — |
| Investment property |
62,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
43,000,000
PLN
|
— | — | — | — | — | — | — |
| Goodwill |
162,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
162,000,000
PLN
|
— | — | — | — | — | — | — |
| Intangible assets other than goodwill |
23,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
36,000,000
PLN
|
— | — | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements |
37,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
13,000,000
PLN
|
— | — | — | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
63,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
99,000,000
PLN
|
— | — | — | — | — | — | — |
| Deferred tax assets |
39,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
71,000,000
PLN
|
— | — | — | — | — | — | — |
| Cash and cash equivalents |
899,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
602,000,000
PLN
|
— | — |
298,000,000
PLN
|
— | — | — | — |
| Assets |
2 492
PLN
|
— | — | — | — | — | — | — | — | — |
2 975
PLN
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital |
6,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
6,000,000
PLN
|
— | — | — | — | — | — | — |
| Retained earnings |
794,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
795,000,000
PLN
|
— | — | — | — | — | — | — |
| Other reserves |
910,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
756,000,000
PLN
|
— | — | — | — | — | — | — |
| Equity attributable to owners of parent |
1 710
PLN
|
— | — | — | — | — | — | — | — | — |
1 557
PLN
|
— | — | — | — | — | — | — |
| Non-controlling interests |
28,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
46,000,000
PLN
|
— | — | — | — | — | — | — |
| Equity |
1 682
PLN
|
794,000,000
PLN
|
28,000,000
PLN
|
910,000,000
PLN
|
1 710
PLN
|
6,000,000
PLN
|
795,000,000
PLN
|
1 557
PLN
|
46,000,000
PLN
|
756,000,000
PLN
|
1 511
PLN
|
6,000,000
PLN
|
6,000,000
PLN
|
1 587
PLN
|
37,000,000
PLN
|
1 624
PLN
|
716,000,000
PLN
|
902,000,000
PLN
|
| Liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities |
1,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
3,000,000
PLN
|
— | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale |
12,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
17,000,000
PLN
|
— | — | — | — | — | — | — |
| Liabilities |
810,000,000
PLN
|
— | — | — | — | — | — | — | — | — |
1 464
PLN
|
— | — | — | — | — | — | — |
| Equity and liabilities |
2 492
PLN
|
— | — | — | — | — | — | — | — | — |
2 975
PLN
|
— | — | — | — | — | — | — |