Statement Of Changes In Equity [Abstract]

K-Fast Holding - Filing #690256

Concept	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	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	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	5 169,6 SEK	—	—	—	193,000,000 SEK	3 690,3 SEK	574,000,000 SEK	297,000,000 SEK	1 372,9 SEK	—	—	2 801,1 SEK	1 372,9 SEK	4 233,7 SEK	—	0 SEK	23,000,000 SEK	574,000,000 SEK	—	—	1 781,0 SEK	0 SEK	1 372,9 SEK	574,000,000 SEK	14,000,000 SEK	3 209,8 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	9,074,000,000 SEK	8,892,000,000 SEK	182,000,000 SEK	—	—	—	—	—	—	0 SEK	—	—	—	—	—	—	—	1 044,4 SEK	1 044,4 SEK	—	—	—	—	—	—
Other comprehensive income	—	274,000,000 SEK	—	—	—	—	—	—	—	274,000,000 SEK	—	—	—	—	38,000,000 SEK	—	—	—	38,000,000 SEK	—	—	—	—	—	—	—
Comprehensive income	—	9,348,000,000 SEK	8,892,000,000 SEK	182,000,000 SEK	—	—	—	—	—	274,000,000 SEK	0 SEK	—	—	—	38,000,000 SEK	—	—	—	1 048,1 SEK	1 044,4 SEK	—	—	—	—	—	—
Increase through other contributions by owners, equity	—	11,000,000 SEK	—	11,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—