Analysis Of Income And Expense [Abstract]

Rockwool - Filing #5889756

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	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	—	3,855,000,000 EUR	—	—	—	—	—	—	—	—	3,620,000,000 EUR	—	—	—	—	—
Material income and expense [abstract]
Revenue and other operating income	—	3,871,000,000 EUR	—	—	—	—	—	—	—	—	3,635,000,000 EUR	—	—	—	—	—
Operating expense	—	2,931,000,000 EUR	—	—	—	—	—	—	—	—	2,856,000,000 EUR	—	—	—	—	—
Expenses by nature [abstract]
Raw materials and consumables used	—	1,282,000,000 EUR	—	—	—	—	—	—	—	—	1,302,000,000 EUR	—	—	—	—	—
Classes of employee benefits expense [abstract]
Employee benefits expense	—	871,000,000 EUR	—	—	—	—	—	—	—	—	817,000,000 EUR	—	—	—	—	—
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss	—	263,000,000 EUR	—	—	—	—	—	—	—	—	261,000,000 EUR	—	—	—	—	—
Other expenses, by nature	—	303,000,000 EUR	—	—	—	—	—	—	—	—	300,000,000 EUR	—	—	—	—	—
Miscellaneous other comprehensive income [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations	- EUR	9,000,000 EUR	- EUR	- EUR	- EUR	9,000,000 EUR	- EUR	9,000,000 EUR	- EUR	54,000,000 EUR	54,000,000 EUR	- EUR	- EUR	- EUR	- EUR	54,000,000 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	—	1,000,000 EUR	—	—	—	—	—	—	—	—	2,000,000 EUR	—	—	—	—	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	—	3,000,000 EUR	—	—	—	—	—	—	—	—	3,000,000 EUR	—	—	—	—	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss	—	- EUR	—	—	—	—	—	—	—	—	1,000,000 EUR	—	—	—	—	—
Income tax relating to components of other comprehensive income	- EUR	3,000,000 EUR	- EUR	—	- EUR	- EUR	3,000,000 EUR	3,000,000 EUR	- EUR	- EUR	4,000,000 EUR	- EUR	1,000,000 EUR	3,000,000 EUR	- EUR	4,000,000 EUR
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	- EUR	555,000,000 EUR	- EUR	1,000,000 EUR	182,000,000 EUR	9,000,000 EUR	363,000,000 EUR	555,000,000 EUR	- EUR	54,000,000 EUR	326,000,000 EUR	- EUR	2,000,000 EUR	257,000,000 EUR	125,000,000 EUR	326,000,000 EUR
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	555,000,000 EUR	—	—	—	—	—	—	—	—	326,000,000 EUR	—	—	—	—	—
Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract]
Comprehensive income, attributable to non-controlling interests	—	- EUR	—	—	—	—	—	—	—	—	- EUR	—	—	—	—	—