Statement Of Comprehensive Income [Abstract]

KGHM Polska Miedź S.A. - Filing #6273247

Concept	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31
Statement of comprehensive income [abstract]
Profit (loss)	- PLN	- PLN	1 800 PLN	1 797 PLN	3,000,000 PLN	1 800 PLN	- PLN	- PLN	- PLN	1 421 PLN	1 421 PLN	1 421 PLN	- PLN	- PLN
Other comprehensive income [abstract]
Other comprehensive income	692,000,000 PLN	- PLN	- PLN	918,000,000 PLN	- PLN	918,000,000 PLN	226,000,000 PLN	51,000,000 PLN	- PLN	444,000,000 PLN	- PLN	444,000,000 PLN	- PLN	393,000,000 PLN
Comprehensive income	692,000,000 PLN	- PLN	1 800 PLN	879,000,000 PLN	3,000,000 PLN	882,000,000 PLN	226,000,000 PLN	51,000,000 PLN	- PLN	977,000,000 PLN	1 421 PLN	977,000,000 PLN	- PLN	393,000,000 PLN
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	882,000,000 PLN	—	—	—	—	—	—	—	977,000,000 PLN	—	—
Comprehensive income, attributable to non-controlling interests	—	—	—	3,000,000 PLN	—	—	—	—	—	—	—	- PLN	—	—