Statement Of Financial Position [Abstract]

Rockwool - Filing #1385502

Concept	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31
Statement of financial position [abstract]
Assets [abstract]
Non-current assets [abstract]
Property, plant and equipment	1 987 EUR	—	—	—	—	—	—	—	—	1 829 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Right-of-use assets	88,000,000 EUR	—	—	—	—	—	—	—	—	61,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Goodwill	107,000,000 EUR	—	—	—	—	—	—	—	—	102,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax assets	48,000,000 EUR	—	—	—	—	—	—	—	—	52,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Non-current assets	2 301 EUR	—	—	—	—	—	—	—	—	2 129 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Current assets [abstract]
Current inventories	433,000,000 EUR	—	—	—	—	—	—	—	—	317,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Current tax assets, current	27,000,000 EUR	—	—	—	—	—	—	—	—	39,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	202,000,000 EUR	—	—	—	—	—	—	—	—	165,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	240,000,000 EUR
Current assets	1 127 EUR	—	—	—	—	—	—	—	—	951,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Assets	3 428 EUR	—	—	—	—	—	—	—	—	3 080 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	29,000,000 EUR	—	—	—	—	—	—	—	—	29,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Retained earnings	2 567 EUR	—	—	—	—	—	—	—	—	2 398 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity	2 580 EUR	102,000,000 EUR	- EUR	2 567 EUR	29,000,000 EUR	117,000,000 EUR	2 580 EUR	1,000,000 EUR	2 398 EUR	2 394 EUR	1,000,000 EUR	102,000,000 EUR	2 394 EUR	- EUR	134,000,000 EUR	29,000,000 EUR	2 178 EUR	4,000,000 EUR	1,000,000 EUR	94,000,000 EUR	2 088 EUR	29,000,000 EUR	212,000,000 EUR	2 092 EUR
Liabilities [abstract]
Non-current liabilities [abstract]
Non-current provisions [abstract]
Other non-current provisions	19,000,000 EUR	—	—	—	—	—	—	—	—	16,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax liabilities	55,000,000 EUR	—	—	—	—	—	—	—	—	51,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Non-current liabilities	206,000,000 EUR	—	—	—	—	—	—	—	—	163,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Current liabilities [abstract]
Current provisions [abstract]
Other current provisions	17,000,000 EUR	—	—	—	—	—	—	—	—	8,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Current tax liabilities, current	26,000,000 EUR	—	—	—	—	—	—	—	—	26,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Current liabilities	642,000,000 EUR	—	—	—	—	—	—	—	—	523,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Liabilities	848,000,000 EUR	—	—	—	—	—	—	—	—	686,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities	3 428 EUR	—	—	—	—	—	—	—	—	3 080 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—