Corporate Information And Statement Of Ifrs Compliance [Abstract]

KGHM Polska Miedź S.A. - Filing #6273247

Concept	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2019-12-31
Corporate information and statement of IFRS compliance [abstract]
Name of reporting entity or other means of identification	—	KGHM Polska Miedź S.A.	—
Domicile of entity	—	Lubin	—
Legal form of entity	—	spółką akcyjną	—
Country of incorporation	—	Rzeczpospolitej Polskiej	—
Address of entity's registered office	—	w Lubinie przy ul. M. Skłodowskiej-Curie 48	—
Principal place of business	—	Polska	—
Description of nature of entity's operations and principal activities	—	Podstawowy przedmiot działalności Jednostki Dominującej stanowi:	—
Name of parent entity	—	KGHM Polska Miedź S.A.	—
Name of ultimate parent of group	—	Grupy Kapitałowej KGHM Polska Miedź S.A.	—
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [text block]	—	—	—
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [abstract]
Disclosure of amounts to be recovered or settled after twelve months for classes of assets and liabilities that contain amounts to be recovered or settled both no more and more than twelve months after reporting date [line items]
Current inventories	4 459 PLN	—	4 741 PLN
Current trade receivables	834,000,000 PLN	—	688,000,000 PLN