Statement Of Comprehensive Income [Abstract]

JSW S.A. - Filing #6227556

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)	489,000,000 PLN	- PLN	- PLN	- PLN	9,037,000,000 PLN	9,526,000,000 PLN	9,037,000,000 PLN	1 546,0 PLN	- PLN	1 537,4 PLN	86,000,000 PLN	- PLN	- PLN	1 546,0 PLN
Other comprehensive income [abstract]
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	—	—	—	—	471,000,000 PLN	—	—	—	190,000,000 PLN	—	—	—	—
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	—	—	—	—	189,000,000 PLN	—	—	—	221,000,000 PLN	—	—	—	—
Other comprehensive income	7,000,000 PLN	- PLN	189,000,000 PLN	- PLN	275,000,000 PLN	282,000,000 PLN	464,000,000 PLN	189,000,000 PLN	- PLN	31,000,000 PLN	1,000,000 PLN	- PLN	221,000,000 PLN	32,000,000 PLN
Comprehensive income	496,000,000 PLN	- PLN	189,000,000 PLN	- PLN	9,312,000,000 PLN	9,808,000,000 PLN	9,501,000,000 PLN	1 564,9 PLN	- PLN	1 534,3 PLN	85,000,000 PLN	- PLN	221,000,000 PLN	1 542,8 PLN
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	9,312,000,000 PLN	—	—	—	1 542,8 PLN	—	—	—	—
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	496,000,000 PLN	—	—	—	85,000,000 PLN	—	—	—	—