Statement Of Changes In Equity [Abstract]

Ciech S.A. - Filing #6225324

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	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	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	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	As at 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	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	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	2020-01-01 to 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	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	1,116,703,000 PLN	—	—	—	2,396,931,000 PLN	—	158,763,000 PLN	20,331,000 PLN	—	36,327,000 PLN	—	—	1,582,000 PLN	2,400,707,000 PLN	425,021,000 PLN	3,776,000 PLN	—	470,846,000 PLN	287,614,000 PLN	—	—	—	982,418,000 PLN	2,077,000 PLN	9,393,000 PLN	—	2,120,615,000 PLN	287,614,000 PLN	—	—	3,659,000 PLN	—	495,000 PLN	—	31,737,000 PLN	470,846,000 PLN	—	2,118,538,000 PLN	—	—	—	—	425,021,000 PLN	1,977,796,000 PLN	1,017,000 PLN	360,000 PLN	75,944,000 PLN	470,846,000 PLN	1,976,779,000 PLN	1,199,657,000 PLN	216,000 PLN	78,521,000 PLN	17,678,000 PLN	287,614,000 PLN
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	781,000 PLN	—	- PLN	- PLN	292,418,000 PLN	—	- PLN	—	—	- PLN	—	- PLN	- PLN	—	—	—	—	- PLN	—	—	291,637,000 PLN	292,418,000 PLN	128,030,000 PLN	—	—	—	- PLN	—	—	129,277,000 PLN	- PLN	—	- PLN	—	- PLN	—	—	- PLN	—	- PLN	1,247,000 PLN	- PLN	129,277,000 PLN	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	112,000 PLN	—	168,156,000 PLN	- PLN	145,773,000 PLN	—	- PLN	—	—	16,672,000 PLN	—	1,087,000 PLN	4,590,000 PLN	—	—	—	—	- PLN	—	—	145,885,000 PLN	34,000 PLN	13,702,000 PLN	—	—	—	135,000 PLN	—	—	9,000 PLN	3,443,000 PLN	—	- PLN	—	27,071,000 PLN	—	—	- PLN	—	44,207,000 PLN	153,000 PLN	- PLN	13,549,000 PLN	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	669,000 PLN	—	168,156,000 PLN	- PLN	438,191,000 PLN	—	- PLN	—	—	16,672,000 PLN	—	1,087,000 PLN	4,590,000 PLN	—	—	—	—	- PLN	—	—	437,522,000 PLN	292,384,000 PLN	141,732,000 PLN	—	—	—	135,000 PLN	—	—	129,268,000 PLN	3,443,000 PLN	—	- PLN	—	27,071,000 PLN	—	—	- PLN	—	44,207,000 PLN	1,094,000 PLN	- PLN	142,826,000 PLN	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	- PLN	—	—	—	- PLN	—	—	346,500,000 PLN	- PLN	—	346,500,000 PLN	—	- PLN	—	—	- PLN	—	- PLN	- PLN	- PLN	- PLN	—	—	—	—	—	—	—	—	—	—	—	—