Statement Of Changes In Equity [Abstract]

Porr AG - Filing #1078221

Concept	2021-01-01 to 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	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	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	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	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	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	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	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	As at 2019-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	11,225 EUR	—	358,833 EUR	—	—	824,410 EUR	422,000 EUR	214,000 EUR	—	—	—	36,301 EUR	299,954 EUR	118,691 EUR	—	790,541 EUR	—	33,869 EUR	—	503,000 EUR	39,278 EUR	—	—	—	14,564 EUR	—	29,095 EUR	635,985 EUR	—	7,622 EUR	—	78,397 EUR	—	—	47,918 EUR	—	114,000 EUR	—	325,854 EUR	688,000 EUR	—	650,549 EUR	—	251,287 EUR	7,778 EUR	—	650,549 EUR	—	587,081 EUR	7,341 EUR	11,957 EUR	46,125 EUR	7,131 EUR	251,287 EUR	599,038 EUR	508,000 EUR	1,117 EUR	197,914 EUR	141,047 EUR	29,095 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	7,688 EUR	—	- EUR	—	- EUR	53,720 EUR	—	—	—	- EUR	76,000 EUR	- EUR	—	—	—	36,010 EUR	—	17,786 EUR	—	- EUR	—	—	- EUR	61,408 EUR	42,367 EUR	—	- EUR	—	—	- EUR	—	- EUR	—	- EUR	- EUR	—	18,154 EUR	—	65,802 EUR	—	—	- EUR	—	- EUR	—	—	5,281 EUR	—	47,648 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	134,000 EUR	—	266,000 EUR	—	3,603 EUR	22,269 EUR	—	—	—	11,617 EUR	7,351 EUR	328,000 EUR	—	—	—	240,000 EUR	—	- EUR	—	- EUR	—	—	- EUR	22,403 EUR	16,383 EUR	—	1,793 EUR	—	—	394,000 EUR	—	429,000 EUR	—	- EUR	281,000 EUR	—	- EUR	—	127,000 EUR	—	—	- EUR	—	14,909 EUR	—	—	124,000 EUR	—	16,259 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	7,822 EUR	—	266,000 EUR	—	3,603 EUR	75,989 EUR	—	—	—	11,617 EUR	7,275 EUR	328,000 EUR	—	—	—	35,770 EUR	—	17,786 EUR	—	- EUR	—	—	- EUR	83,811 EUR	58,750 EUR	—	1,793 EUR	—	—	394,000 EUR	—	429,000 EUR	—	- EUR	281,000 EUR	—	18,154 EUR	—	65,675 EUR	—	—	- EUR	—	14,909 EUR	—	—	5,157 EUR	—	63,907 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	2,277 EUR	—	- EUR	—	- EUR	18,840 EUR	—	—	—	- EUR	- EUR	- EUR	—	—	—	- EUR	—	18,840 EUR	—	- EUR	—	—	- EUR	21,117 EUR	13,799 EUR	—	- EUR	—	—	- EUR	—	- EUR	—	- EUR	- EUR	—	12,147 EUR	—	- EUR	—	—	- EUR	—	- EUR	—	—	1,652 EUR	—	12,147 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Increase through other contributions by owners, equity	—	—	- EUR	—	- EUR	117,729 EUR	—	—	—	- EUR	- EUR	- EUR	—	—	—	- EUR	—	- EUR	—	10,183 EUR	—	—	107,546 EUR	117,729 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	13,760 EUR	—	- EUR	—	- EUR	189,000 EUR	—	—	—	- EUR	- EUR	- EUR	—	—	—	189,000 EUR	—	- EUR	—	- EUR	—	—	- EUR	13,571 EUR	828,000 EUR	—	- EUR	—	—	- EUR	—	- EUR	—	- EUR	- EUR	—	- EUR	—	70,000 EUR	—	—	- EUR	—	- EUR	—	—	898,000 EUR	—	70,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—