Statement Of Changes In Equity [Abstract]

Bumech S.A. - Filing #6215836

Concept	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 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 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	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 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	As at 2020-12-31	As at 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	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	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	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	0 PLN	351 433 PLN	—	—	437 123 PLN	—	—	—	28 186 PLN	437 123 PLN	0 PLN	—	422,000 PLN	57 926 PLN	—	—	—	52 225 PLN	—	57 926 PLN	33 526 PLN	—	—	0 PLN	361,000 PLN	0 PLN	28 186 PLN	—	33 526 PLN	—	—	—	57 926 PLN	30 512 PLN	0 PLN	40,000 PLN	1 770 PLN	40,000 PLN	53 764 PLN	0 PLN	0 PLN	4,000 PLN	0 PLN	40,000 PLN	1 770 PLN	28 116 PLN	28 116 PLN	57 926 PLN	53 724 PLN	30 552 PLN	0 PLN	0 PLN	0 PLN	4,000 PLN	30 512 PLN	30 552 PLN
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	0 PLN	403 958 PLN	—	0 PLN	0 PLN	0 PLN	—	—	—	0 PLN	—	—	403 958 PLN	403 958 PLN	1 569 PLN	—	0 PLN	—	—	1 569 PLN	0 PLN	—	—	—	—	0 PLN	—	0 PLN	0 PLN	1 569 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	0 PLN	361,000 PLN	—	0 PLN	61,000 PLN	0 PLN	—	—	—	0 PLN	—	—	361,000 PLN	300,000 PLN	365,000 PLN	—	0 PLN	—	—	0 PLN	0 PLN	—	—	—	—	0 PLN	—	365,000 PLN	0 PLN	365,000 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	—	—	0 PLN	403 597 PLN	—	0 PLN	61,000 PLN	0 PLN	—	—	—	0 PLN	—	—	403 597 PLN	403 658 PLN	1 204 PLN	—	0 PLN	—	—	1 569 PLN	0 PLN	—	—	—	—	0 PLN	—	365,000 PLN	0 PLN	1 204 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Issue of equity	—	—	0 PLN	0 PLN	—	0 PLN	0 PLN	0 PLN	—	—	—	0 PLN	—	—	0 PLN	0 PLN	0 PLN	—	0 PLN	—	—	0 PLN	0 PLN	—	—	—	—	0 PLN	—	0 PLN	0 PLN	0 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	—	—	0 PLN	0 PLN	—	0 PLN	0 PLN	0 PLN	—	—	—	0 PLN	—	—	0 PLN	0 PLN	1 770 PLN	—	1 770 PLN	—	—	0 PLN	0 PLN	—	—	—	—	0 PLN	—	0 PLN	0 PLN	1 770 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) in equity	—	—	0 PLN	403 597 PLN	—	0 PLN	61,000 PLN	0 PLN	—	—	—	0 PLN	—	—	403 597 PLN	403 658 PLN	2 974 PLN	—	1 770 PLN	—	—	1 499 PLN	70,000 PLN	—	—	—	—	0 PLN	—	365,000 PLN	0 PLN	2 974 PLN	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—