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 |
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] | |||||||
| Interest received, classified as operating activities | — |
78,000,000
PLN
|
— |
155,000,000
PLN
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — |
256,000,000
PLN
|
— |
303,000,000
PLN
|
— | — | — |
| Other inflows (outflows) of cash, classified as operating activities | — |
51,000,000
PLN
|
— |
61,000,000
PLN
|
— | — | — |
| Cash flows from (used in) operating activities | — |
3,534,000,000
PLN
|
1,200,000,000
PLN
|
— | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
2,000,000
PLN
|
— |
4,000,000
PLN
|
— | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — |
290,000,000
PLN
|
— |
576,000,000
PLN
|
— | — | — |
| Proceeds from government grants, classified as investing activities | — |
14,000,000
PLN
|
— |
44,000,000
PLN
|
— | — | — |
| Cash advances and loans made to other parties, classified as investing activities | — |
31,000,000
PLN
|
— |
144,000,000
PLN
|
— | — | — |
| Cash receipts from repayment of advances and loans made to other parties, classified as investing activities | — |
31,000,000
PLN
|
— |
252,000,000
PLN
|
— | — | — |
| Cash receipts from futures contracts, forward contracts, option contracts and swap contracts, classified as investing activities | — |
27,000,000
PLN
|
— |
30,000,000
PLN
|
— | — | — |
| Cash flows from (used in) investing activities | — |
247,000,000
PLN
|
— |
390,000,000
PLN
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||
| Proceeds from issuing other equity instruments | — |
200,000,000
PLN
|
— |
239,000,000
PLN
|
— | — | — |
| Payments of other equity instruments | — |
160,000,000
PLN
|
— |
398,000,000
PLN
|
— | — | — |
| Proceeds from borrowings, classified as financing activities | — |
349,000,000
PLN
|
— |
581,000,000
PLN
|
— | — | — |
| Repayments of borrowings, classified as financing activities | — |
1,411,000,000
PLN
|
— |
336,000,000
PLN
|
— | — | — |
| Payments of lease liabilities, classified as financing activities | — |
174,000,000
PLN
|
— |
228,000,000
PLN
|
— | — | — |
| Dividends paid, classified as financing activities | — |
226,000,000
PLN
|
— |
301,000,000
PLN
|
— | — | — |
| Interest paid, classified as financing activities | — |
77,000,000
PLN
|
— |
156,000,000
PLN
|
— | — | — |
| Other inflows (outflows) of cash, classified as financing activities | — |
13,000,000
PLN
|
— |
8,000,000
PLN
|
— | — | — |
| Cash flows from (used in) financing activities | — |
1,536,000,000
PLN
|
614,000,000
PLN
|
— | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
1,747,000,000
PLN
|
— |
197,000,000
PLN
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
4,000,000
PLN
|
— |
1,000,000
PLN
|
— | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
1,751,000,000
PLN
|
196,000,000
PLN
|
— | — | — | — |
| Cash and cash equivalents |
2,704,000,000
PLN
|
— | — | — |
957,000,000
PLN
|
760,000,000
PLN
|
760,000,000
PLN
|