Profit Or Loss [Abstract]

Rockwool - Filing #1352455

Concept	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	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
Profit or loss [abstract]
Profit (loss) [abstract]
Revenue	—	3 620 EUR	—	—	—	—	—	—	3 907 EUR	—	—	—
Other income	—	15,000,000 EUR	—	—	—	—	—	—	15,000,000 EUR	—	—	—
Raw materials and consumables used	—	1 302 EUR	—	—	—	—	—	—	1 682 EUR	—	—	—
Employee benefits expense	—	817,000,000 EUR	—	—	—	—	—	—	811,000,000 EUR	—	—	—
Other expenses, by nature	—	300,000,000 EUR	—	—	—	—	—	—	273,000,000 EUR	—	—	—
Profit (loss) from operating activities	—	518,000,000 EUR	—	—	—	—	—	—	402,000,000 EUR	—	—	—
Finance income	—	38,000,000 EUR	—	—	—	—	—	—	16,000,000 EUR	—	—	—
Finance costs	—	36,000,000 EUR	—	—	—	—	—	—	61,000,000 EUR	—	—	—
Profit (loss) before tax	—	522,000,000 EUR	—	—	—	—	—	—	358,000,000 EUR	—	—	—
Tax expense (income)	—	133,000,000 EUR	—	—	—	—	—	—	85,000,000 EUR	—	—	—
Profit (loss)	- EUR	389,000,000 EUR	- EUR	264,000,000 EUR	125,000,000 EUR	- EUR	- EUR	- EUR	273,000,000 EUR	102,000,000 EUR	171,000,000 EUR	- EUR
Earnings per share [text block]	—	—	—	—	—	—	—	—	—	—	—	—
Earnings per share [abstract]
Earnings per share [line items]
Basic earnings per share [abstract]
Basic earnings (loss) per share	—	18.0	—	—	—	—	—	—	12.7	—	—	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	—	18.0	—	—	—	—	—	—	12.6	—	—	—