Analysis Of Income And Expense [Abstract]

Kingspan Group Plc - Filing #5615151

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue	—	—	—	—	—	—	—	—	—	—	8,608,000,000 EUR	—	—	—	8,09 0.6 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Expenses by nature [abstract]
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation and amortisation expense [abstract]
Amortisation expense	—	—	—	—	—	—	—	—	—	—	4 4.6 EUR	—	—	—	41,700,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [abstract]
Disclosure of attribution of expenses by nature to their function [line items]
Miscellaneous other comprehensive income [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations	- EUR	- EUR	10 3.8 EUR	- EUR	- EUR	- EUR	103 .8 EUR	- EUR	- EUR	10,800,000 EUR	93,000,000 EUR	- EUR	- EUR	- EUR	19 .0 EUR	- EUR	- EUR	21,200,000 EUR	- EUR	2,200,000 EUR	- EUR	- EUR	- EUR	21,200,000 EUR	- EUR	- EUR	- EUR
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of associates accounted for using equity method	—	—	—	—	—	—	—	—	—	—	1,700,000 EUR	—	—	—	- EUR	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	- EUR	- EUR	769. 8 EUR	- EUR	- EUR	- EUR	103 .8 EUR	665,700,000 EUR	- EUR	14,500,000 EUR	784 .3 EUR	- EUR	300,000 EUR	- EUR	642,200,000 EUR	- EUR	- EUR	626,400,000 EUR	- EUR	15,800,000 EUR	648,200,000 EUR	- EUR	- EUR	21,200,000 EUR	- EUR	- EUR	600,000 EUR
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	—	—	—	—	76 9. 8 EUR	—	—	—	626,400,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract]
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	—	—	—	—	14,500,000 EUR	—	—	—	15,800,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—