Statement Of Changes In Equity [Abstract]

Kingspan Group Plc - Filing #1850974

Concept	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	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	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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Dividends recognised as distributions to owners of parent	- EUR	- EUR	93,700,000 EUR	93,700,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	93,700,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	73,500,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	73,500,000 EUR	73,500,000 EUR
Dividends recognised as distributions to non-controlling interests	- EUR	- EUR	3,500,000 EUR	- EUR	3,500,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	3,200,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	3,200,000 EUR	- EUR
Increase (decrease) through acquisition of subsidiary, equity	- EUR	- EUR	2,000,000 EUR	400,000 EUR	1,600,000 EUR	- EUR	- EUR	- EUR	- EUR	400,000 EUR	- EUR	- EUR	- EUR	3,500,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	3,500,000 EUR	- EUR
Increase (decrease) through exercise of options, equity	1,800,000 EUR	- EUR	- EUR	10,600,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	9,200,000 EUR	18,000,000 EUR	- EUR	- EUR	- EUR	1,200,000 EUR	- EUR	- EUR	- EUR	1,200,000 EUR	10,500,000 EUR	- EUR	- EUR	- EUR	- EUR	10,500,000 EUR
Decrease (increase) through tax on share-based payment transactions, equity	- EUR	- EUR	8,900,000 EUR	2,500,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	8,900,000 EUR	11,400,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	13,500,000 EUR	- EUR	9,700,000 EUR	- EUR	- EUR	- EUR	13,500,000 EUR	3,800,000 EUR
Increase (decrease) through transactions with owners, equity	400,000 EUR	- EUR	107,100,000 EUR	130,500,000 EUR	13,400,000 EUR	- EUR	- EUR	- EUR	20,600,000 EUR	93,700,000 EUR	2,200,000 EUR	18,000,000 EUR	- EUR	300,000 EUR	- EUR	45,700,000 EUR	- EUR	59,500,000 EUR	148,600,000 EUR	1,200,000 EUR	16,900,000 EUR	- EUR	- EUR	100,000 EUR	148,300,000 EUR	59,200,000 EUR
Purchase of treasury shares	1,400,000 EUR	- EUR	1,400,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	1,400,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	46,900,000 EUR	- EUR	- EUR	46,900,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	46,900,000 EUR	- EUR