Statement Of Cash Flows [Abstract]
| Concept |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2019-01-01 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||
| Cash flows from (used in) operating activities [abstract] | ||||||
| Profit (loss) | — |
46,000,000
PLN
|
82,000,000
PLN
|
— | — | — |
| Adjustments to reconcile profit (loss) [abstract] | ||||||
| Adjustments for income tax expense | — |
16,000,000
PLN
|
25,000,000
PLN
|
— | — | — |
| Adjustments for decrease (increase) in inventories | — |
5,000,000
PLN
|
29,000,000
PLN
|
— | — | — |
| Adjustments for decrease (increase) in trade accounts receivable | — |
383,000,000
PLN
|
367,000,000
PLN
|
— | — | — |
| Adjustments for increase (decrease) in trade accounts payable | — |
64,000,000
PLN
|
67,000,000
PLN
|
— | — | — |
| Adjustments for increase (decrease) in other operating payables | — |
33,000,000
PLN
|
9,000,000
PLN
|
— | — | — |
| Adjustments for losses (gains) on disposal of non-current assets | — |
61,000,000
PLN
|
270,000,000
PLN
|
— | — | — |
| Interest paid, classified as operating activities | — |
370,000,000
PLN
|
386,000,000
PLN
|
— | — | — |
| Interest received, classified as operating activities | — |
33,000,000
PLN
|
40,000,000
PLN
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — |
26,000,000
PLN
|
27,000,000
PLN
|
— | — | — |
| Cash flows from (used in) operating activities | — |
3,005,000,000
PLN
|
2,858,000,000
PLN
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
75,000,000
PLN
|
132,000,000
PLN
|
— | — | — |
| Proceeds from government grants, classified as investing activities | — |
177,000,000
PLN
|
136,000,000
PLN
|
— | — | — |
| Other inflows (outflows) of cash, classified as investing activities | — | — |
3,000,000
PLN
|
— | — | — |
| Cash flows from (used in) investing activities | — |
2,064,000,000
PLN
|
1,919,000,000
PLN
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||
| Payments of lease liabilities, classified as financing activities | — |
421,000,000
PLN
|
361,000,000
PLN
|
— | — | — |
| Cash flows from (used in) financing activities | — |
989,000,000
PLN
|
1,146,000,000
PLN
|
— | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
48,000,000
PLN
|
207,000,000
PLN
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
2,000,000
PLN
|
— | — | — | — |
| Cash and cash equivalents |
358,000,000
PLN
|
— | — |
404,000,000
PLN
|
611,000,000
PLN
|
611,000,000
PLN
|