Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2020-12-31 |
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 2018-12-31 |
|---|---|---|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||||||
| Property, plant and equipment [abstract] | |||||||
| Property, plant and equipment |
3,906,000,000
PLN
|
4,033,000,000
PLN
|
— | — | — |
4,022,000,000
PLN
|
— |
| Intangible assets and goodwill [abstract] | |||||||
| Intangible assets other than goodwill [abstract] | |||||||
| Intangible assets other than goodwill |
1,155,000,000
PLN
|
1,081,000,000
PLN
|
— | — | — |
1,456,000,000
PLN
|
— |
| Goodwill |
430,000,000
PLN
|
411,000,000
PLN
|
— | — | — |
317,000,000
PLN
|
— |
| Investment property [abstract] | |||||||
| Investment property |
250,000,000
PLN
|
— |
306,000,000
PLN
|
— |
2,000,000
PLN
|
— | — |
| Miscellaneous non-current assets [abstract] | |||||||
| Non-current derivative financial assets |
71,000,000
PLN
|
76,000,000
PLN
|
— | — | — |
104,000,000
PLN
|
— |
| Trade and other current receivables [abstract] | |||||||
| Trade and other current receivables |
7,083,000,000
PLN
|
— |
5,701,000,000
PLN
|
— |
5,489,000,000
PLN
|
— | — |
| Categories of current financial assets [abstract] | |||||||
| Current financial assets at amortised cost |
351,000,000
PLN
|
— |
518,000,000
PLN
|
— | — | — | — |
| Classes of current inventories [abstract] | |||||||
| Current inventories |
4,215,000,000
PLN
|
— |
4,593,000,000
PLN
|
— |
4,425,000,000
PLN
|
— | — |
| Classes of current inventories, alternative [abstract] | |||||||
| Cash and cash equivalents [abstract] | |||||||
| Cash and cash equivalents |
2,704,000,000
PLN
|
957,000,000
PLN
|
— | — | — |
760,000,000
PLN
|
760,000,000
PLN
|
| Miscellaneous current assets [abstract] | |||||||
| Current derivative financial assets |
203,000,000
PLN
|
208,000,000
PLN
|
— | — | — |
231,000,000
PLN
|
— |
| Classes of other provisions [abstract] | |||||||
| Other provisions [abstract] | |||||||
| Other non-current provisions |
110,000,000
PLN
|
87,000,000
PLN
|
— | — | — |
74,000,000
PLN
|
— |
| Other current provisions |
860,000,000
PLN
|
— |
657,000,000
PLN
|
411,000,000
PLN
|
— | — | — |
| Borrowings [abstract] | |||||||
| Non-current portion of non-current borrowings |
611,000,000
PLN
|
775,000,000
PLN
|
— | — | — |
1,296,000,000
PLN
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||||||
| Current borrowings |
722,000,000
PLN
|
— |
1,603,000,000
PLN
|
1,137,000,000
PLN
|
— | — | — |
| Non-current portion of non-current borrowings, by type [abstract] | |||||||
| Trade and other non-current payables [abstract] | |||||||
| Non-current accruals and non-current deferred income including non-current contract liabilities [abstract] | |||||||
| Accruals classified as non-current |
59,000,000
PLN
|
63,000,000
PLN
|
— | — | — |
23,000,000
PLN
|
— |
| Trade and other current payables [abstract] | |||||||
| Trade and other current payables |
7,246,000,000
PLN
|
— |
5,378,000,000
PLN
|
5,952,000,000
PLN
|
— | — | — |
| Categories of current financial liabilities [abstract] | |||||||
| Current financial liabilities at amortised cost | — | — | — |
517,000,000
PLN
|
— | — | — |
| Miscellaneous non-current liabilities [abstract] | |||||||
| Non-current derivative financial liabilities |
68,000,000
PLN
|
28,000,000
PLN
|
— | — | — |
24,000,000
PLN
|
— |
| Miscellaneous current liabilities [abstract] | |||||||
| Current derivative financial liabilities |
120,000,000
PLN
|
69,000,000
PLN
|
— | — | — |
29,000,000
PLN
|
— |
| Issued capital [abstract] | |||||||
| Issued capital |
156,000,000
PLN
|
156,000,000
PLN
|
— | — | — |
156,000,000
PLN
|
— |
| Retained earnings [abstract] | |||||||
| Retained earnings |
1,440,000,000
PLN
|
1,039,000,000
PLN
|
— | — | — |
1,272,000,000
PLN
|
— |
| Accumulated other comprehensive income [abstract] | |||||||
| Reserve of exchange differences on translation |
231,000,000
PLN
|
— |
286,000,000
PLN
|
384,000,000
PLN
|
— | — | — |
| Net assets (liabilities) [abstract] | |||||||
| Assets |
2 191,7
PLN
|
— |
1 941,1
PLN
|
— | — |
1 873,0
PLN
|
— |
| Liabilities |
1 123,2
PLN
|
— |
1 018,6
PLN
|
10,382,000,000
PLN
|
— | — | — |
| Net current assets (liabilities) [abstract] | |||||||
| Current assets |
1 461,3
PLN
|
— |
1 193,9
PLN
|
1 147,4
PLN
|
— | — | — |
| Current liabilities |
9,676,000,000
PLN
|
— |
8,489,000,000
PLN
|
8,377,000,000
PLN
|
— | — | — |
| Assets less current liabilities [abstract] |