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]
Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]
Other comprehensive income, net of tax, gains (losses) from investments in equity instruments	—	—	—	158,000,000 PLN	—	—	—	—	—	—	—	78,000,000 PLN	—	—
Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans	—	—	—	265,000,000 PLN	—	—	—	—	—	—	—	45,000,000 PLN	—	—
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	—	—	107,000,000 PLN	—	—	—	—	—	—	—	123,000,000 PLN	—	—
Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]
Exchange differences on translation [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations	—	—	—	39,000,000 PLN	—	—	—	—	—	—	—	6,000,000 PLN	—	—
Cash flow hedges [abstract]
Other comprehensive income, net of tax, cash flow hedges	—	—	—	850,000,000 PLN	—	—	—	—	—	—	—	315,000,000 PLN	—	—
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	—	—	811,000,000 PLN	—	—	—	—	—	—	—	321,000,000 PLN	—	—
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	—	—