Statement Of Changes In Equity [Abstract]

OX2 - Filing #678682

Concept	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 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	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	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	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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	4 549 SEK	—	—	27,000,000 SEK	—	—	4,000,000 SEK	—	—	1,000,000 SEK	3 211 SEK	4 545 SEK	—	1 360 SEK	3 414 SEK	—	—	—	—	89,000,000 SEK	7,000,000 SEK	1,000,000 SEK	1 311 SEK	3 421 SEK	2 178 SEK	—	—	—	—	1 278 SEK	2 355 SEK	7,000,000 SEK	2 355 SEK	0 SEK	1 087 SEK	1,000,000 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	1 008 SEK	—	1 033 SEK	- SEK	—	25,000,000 SEK	1 033 SEK	—	- SEK	- SEK	—	—	—	- SEK	—	—	- SEK	1 085 SEK	1 092 SEK	7,000,000 SEK	—	—	—	—	—	—	- SEK	1 092 SEK	- SEK	- SEK	—	—	—	—	—	—	—
Other comprehensive income	42,000,000 SEK	—	42,000,000 SEK	62,000,000 SEK	—	0 SEK	- SEK	—	20,000,000 SEK	- SEK	—	—	—	- SEK	—	—	- SEK	59,000,000 SEK	- SEK	0 SEK	—	—	—	—	—	—	82,000,000 SEK	59,000,000 SEK	22,000,000 SEK	- SEK	—	—	—	—	—	—	—
Comprehensive income	1 050 SEK	—	1 075 SEK	62,000,000 SEK	—	25,000,000 SEK	1 033 SEK	—	20,000,000 SEK	- SEK	—	—	—	- SEK	—	—	- SEK	1 026 SEK	1 092 SEK	7,000,000 SEK	—	—	—	—	—	—	82,000,000 SEK	1 033 SEK	22,000,000 SEK	- SEK	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	- SEK	—	- SEK	- SEK	—	- SEK	- SEK	—	- SEK	- SEK	—	—	—	- SEK	—	—	- SEK	- SEK	- SEK	- SEK	—	—	—	—	—	—	- SEK	- SEK	- SEK	- SEK	—	—	—	—	—	—	—
Increase through other contributions by owners, equity	17,000,000 SEK	—	17,000,000 SEK	- SEK	—	- SEK	- SEK	—	- SEK	- SEK	—	—	—	17,000,000 SEK	—	—	- SEK	2,000,000 SEK	- SEK	- SEK	—	—	—	—	—	—	- SEK	2,000,000 SEK	- SEK	- SEK	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	28,000,000 SEK	—	28,000,000 SEK	- SEK	—	- SEK	- SEK	—	- SEK	- SEK	—	—	—	28,000,000 SEK	—	—	- SEK	29,000,000 SEK	- SEK	- SEK	—	—	—	—	—	—	- SEK	29,000,000 SEK	- SEK	29,000,000 SEK	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	36,000,000 SEK	—	- SEK	- SEK	—	36,000,000 SEK	- SEK	—	- SEK	- SEK	—	—	—	- SEK	—	—	- SEK	0 SEK	- SEK	0 SEK	—	—	—	—	—	—	- SEK	- SEK	- SEK	- SEK	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	4,000,000 SEK	—	4,000,000 SEK	- SEK	—	- SEK	- SEK	—	- SEK	- SEK	—	—	—	4,000,000 SEK	—	—	- SEK	2,000,000 SEK	- SEK	- SEK	—	—	—	—	—	—	- SEK	2,000,000 SEK	- SEK	2,000,000 SEK	—	—	—	—	—	—	—