Statement Of Changes In Equity [Abstract]

JSW S.A. - Filing #6227556

Concept	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-01-01	As at 2021-01-01	As at 2021-01-01	As at 2021-01-01	As at 2021-01-01	As at 2021-01-01	As at 2021-01-01	2020-01-01 to 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	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-01-01	As at 2020-01-01	As at 2020-01-01	As at 2020-01-01	As at 2020-01-01	As at 2020-01-01	As at 2020-01-01
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	5 712,0 PLN	—	—	8 297,8 PLN	—	174,000,000 PLN	7 851,5 PLN	9,050,000,000 PLN	—	4,463,000,000 PLN	1 251,9 PLN	—	—	1 251,9 PLN	7 317,1 PLN	4 761,9 PLN	9,050,000,000 PLN	6 920,3 PLN	3,968,000,000 PLN	15,000,000 PLN	—	4 761,9 PLN	3,968,000,000 PLN	15,000,000 PLN	6 920,3 PLN	1 251,9 PLN	—	—	9,050,000,000 PLN	—	7 317,1 PLN	—	—	—	1 251,9 PLN	6 326,9 PLN	206,000,000 PLN	8 851,5 PLN	3,883,000,000 PLN	9,050,000,000 PLN	8 463,2 PLN
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	489,000,000 PLN	—	- PLN	9,037,000,000 PLN	—	- PLN	—	—	—	- PLN	—	—	9,526,000,000 PLN	9,037,000,000 PLN	—	—	—	—	—	—	—	1 537,4 PLN	—	—	—	—	—	1 546,0 PLN	- PLN	—	- PLN	—	86,000,000 PLN	- PLN	1 546,0 PLN	—	—	—	—	—	—	—
Other comprehensive income	7,000,000 PLN	—	189,000,000 PLN	275,000,000 PLN	—	- PLN	—	—	—	- PLN	—	—	282,000,000 PLN	464,000,000 PLN	—	—	—	—	—	—	—	31,000,000 PLN	—	—	—	—	—	189,000,000 PLN	221,000,000 PLN	—	- PLN	—	1,000,000 PLN	- PLN	32,000,000 PLN	—	—	—	—	—	—	—
Comprehensive income	496,000,000 PLN	—	189,000,000 PLN	9,312,000,000 PLN	—	- PLN	—	—	—	- PLN	—	—	9,808,000,000 PLN	9,501,000,000 PLN	—	—	—	—	—	—	—	1 534,3 PLN	—	—	—	—	—	1 564,9 PLN	221,000,000 PLN	—	- PLN	—	85,000,000 PLN	- PLN	1 542,8 PLN	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	1,000,000 PLN	—	- PLN	- PLN	—	- PLN	—	—	—	- PLN	—	—	1,000,000 PLN	- PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1,000,000 PLN	—	—	—	—	—	1,000,000 PLN	- PLN	—	- PLN	—	- PLN	- PLN	1,000,000 PLN	—	—	—	—	—	—	—