Disclosure Of Fair Value Measurement [Text Block]

KGHM Polska Miedź S.A. - Filing #6226567

Concept	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
Disclosure of fair value measurement [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of assets [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of assets [abstract]
Disclosure of fair value measurement of assets [line items]
Assets	—	—	48 027 PLN	—	—	—	—	—	—	—	—	—	—	42 780 PLN	—	—	—	—	—	—	—
Reconciliation of changes in fair value measurement, assets [abstract]
Disclosure of fair value measurement of liabilities [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of liabilities [abstract]
Disclosure of fair value measurement of liabilities [line items]
Liabilities	—	—	20 889 PLN	—	—	—	—	—	—	—	—	—	—	21 699 PLN	—	—	—	—	—	—	—
Reconciliation of changes in fair value measurement, liabilities [abstract]
Disclosure of fair value measurement of equity [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of equity [abstract]
Disclosure of fair value measurement of equity [line items]
Equity	24 532 PLN	2 219 PLN	27 138 PLN	1 705 PLN	27 046 PLN	92,000,000 PLN	2 000 PLN	18 694 PLN	89,000,000 PLN	1 430 PLN	20 992 PLN	2 000 PLN	1 728 PLN	21 081 PLN	20 110 PLN	92,000,000 PLN	1 954 PLN	20 202 PLN	16 894 PLN	738,000,000 PLN	2 000 PLN
Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract]