Statement Of Changes In Equity [Abstract]

Arise - Filing #702058

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	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 changes in equity [abstract]
Statement of changes in equity [line items]
Increase (decrease) through conversion of convertible instruments, equity	—	0 SEK	45,000,000 SEK	4 6 SEK	1,000,000 SEK	2,000,000 SEK	0 SEK	63,000,000 SEK	61,000,000 SEK	− SEK
Increase (decrease) through transactions with owners, equity	− SEK	0 SEK	45,000,000 SEK	46,000,000 SEK	1,000,000 SEK	2,000,000 SEK	0 SEK	63,000,000 SEK	61,000,000 SEK	− SEK