Statement Of Changes In Equity [Abstract]

Nyfosa - Filing #703024

Concept	2021-01-01 to 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 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	2021-01-01 to 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	2021-01-01 to 2021-12-31	As at 2021-01-01	As at 2021-01-01	As at 2021-01-01	As at 2021-01-01	As at 2021-01-01	As at 2021-01-01	As at 2021-01-01	As at 2021-01-01	2020-01-01 to 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	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-01-01	As at 2020-01-01	As at 2020-01-01	As at 2020-01-01	As at 2020-01-01	As at 2020-01-01	As at 2020-01-01	As at 2020-01-01
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	12 573 SEK	3 760 SEK	—	—	17 268 SEK	800,000,000 SEK	—	17 236 SEK	32,000,000 SEK	—	8,000,000 SEK	96,000,000 SEK	—	—	—	– SEK	92,000,000 SEK	13 333 SEK	9 481 SEK	3 760 SEK	– SEK	13 333 SEK	– SEK	—	9 481 SEK	– SEK	13 333 SEK	92,000,000 SEK	– SEK	—	—	3 760 SEK	– SEK	—	—	13 333 SEK	—	—	—	– SEK	84,000,000 SEK	5 937 SEK	9 781 SEK	3 760 SEK	– SEK	– SEK	9 781 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	0 SEK	—	—	3 112 SEK	– SEK	—	—	– SEK	—	—	– SEK	—	—	– SEK	3 112 SEK	3 112 SEK	—	—	—	—	—	—	—	—	2 225 SEK	—	—	—	—	—	2 225 SEK	– SEK	—	—	– SEK	– SEK	—	– SEK	– SEK	2 225 SEK	—	—	—	—	—	—	—	—
Other comprehensive income	1,000,000 SEK	—	—	8,000,000 SEK	– SEK	—	—	8,000,000 SEK	—	—	– SEK	—	—	– SEK	9,000,000 SEK	– SEK	—	—	—	—	—	—	—	—	– SEK	—	—	—	—	—	– SEK	– SEK	—	—	– SEK	– SEK	—	– SEK	– SEK	– SEK	—	—	—	—	—	—	—	—
Comprehensive income	1,000,000 SEK	—	—	3 120 SEK	– SEK	—	—	8,000,000 SEK	—	—	– SEK	—	—	– SEK	3 121 SEK	3 112 SEK	—	—	—	—	—	—	—	—	2 225 SEK	—	—	—	—	—	2 225 SEK	– SEK	—	—	– SEK	– SEK	—	– SEK	– SEK	2 225 SEK	—	—	—	—	—	—	—	—
Issue of equity	– SEK	—	—	743,000,000 SEK	– SEK	—	—	– SEK	—	—	3,000,000 SEK	—	—	– SEK	743,000,000 SEK	740,000,000 SEK	—	—	—	—	—	—	—	—	1 327 SEK	—	—	—	—	—	1 319 SEK	– SEK	—	—	– SEK	8,000,000 SEK	—	– SEK	– SEK	1 327 SEK	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	– SEK	—	—	753,000,000 SEK	– SEK	—	—	– SEK	—	—	– SEK	—	—	– SEK	753,000,000 SEK	753,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	31,000,000 SEK	—	—	– SEK	– SEK	—	—	– SEK	—	—	– SEK	—	—	– SEK	31,000,000 SEK	– SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	– SEK	—	—	3,000,000 SEK	– SEK	—	—	– SEK	—	—	– SEK	—	—	– SEK	3,000,000 SEK	3,000,000 SEK	—	—	—	—	—	—	—	—	0 SEK	—	—	—	—	—	0 SEK	– SEK	—	—	– SEK	– SEK	—	– SEK	– SEK	0 SEK	—	—	—	—	—	—	—	—