Statement Of Comprehensive Income [Abstract]

Holmen - Filing #703370

Concept	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	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Statement of comprehensive income [abstract]
Profit (loss)	- SEK	- SEK	- SEK	- SEK	- SEK	3 004 SEK	3 004 SEK	1 979 SEK	- SEK	1 979 SEK	- SEK	- SEK	- SEK	- SEK
Other comprehensive income [abstract]
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	—	—	—	—	2 650 SEK	—	—	—	920,000,000 SEK	—	—	—	—
Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax	- SEK	3,000,000 SEK	- SEK	- SEK	- SEK	3,000,000 SEK	- SEK	- SEK	- SEK	16,000,000 SEK	- SEK	- SEK	16,000,000 SEK	- SEK
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	—	—	—	—	551,000,000 SEK	—	—	—	69,000,000 SEK	—	—	—	—
Other comprehensive income	- SEK	402,000,000 SEK	- SEK	149,000,000 SEK	2 656 SEK	3 201 SEK	6,000,000 SEK	12,000,000 SEK	- SEK	989,000,000 SEK	165,000,000 SEK	- SEK	234,000,000 SEK	932,000,000 SEK
Comprehensive income	- SEK	402,000,000 SEK	- SEK	149,000,000 SEK	2 656 SEK	6 204 SEK	2 997 SEK	1 967 SEK	- SEK	2 968 SEK	165,000,000 SEK	- SEK	234,000,000 SEK	932,000,000 SEK
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	6 204 SEK	—	—	—	2 968 SEK	—	—	—	—