Statement Of Comprehensive Income [Abstract]

KGHM Polska Miedź S.A. - Filing #6226567

Concept	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	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	2020-01-01 to 2020-12-31
Statement of comprehensive income [abstract]
Profit (loss)	1,000,000 PLN	- PLN	- PLN	- PLN	6 156 PLN	6 155 PLN	6 156 PLN	1 800 PLN	- PLN	1 797 PLN	3,000,000 PLN	- PLN	1 800 PLN	- PLN
Other comprehensive income [abstract]
Other comprehensive income	1,000,000 PLN	275,000,000 PLN	491,000,000 PLN	- PLN	216,000,000 PLN	217,000,000 PLN	- PLN	- PLN	- PLN	918,000,000 PLN	- PLN	692,000,000 PLN	918,000,000 PLN	226,000,000 PLN
Comprehensive income	- PLN	275,000,000 PLN	491,000,000 PLN	- PLN	6 372 PLN	6 372 PLN	6 156 PLN	1 800 PLN	- PLN	879,000,000 PLN	3,000,000 PLN	692,000,000 PLN	882,000,000 PLN	226,000,000 PLN
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	6 372 PLN	—	—	—	882,000,000 PLN	—	—	—	—
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	- PLN	—	—	—	3,000,000 PLN	—	—	—	—