Statement Of Changes In Equity [Abstract]

SalMar ASA - Filing #2614559

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	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 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	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	2020-01-01 to 2020-12-31	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	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 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	2020-01-01 to 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	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	26,000 NOK	9,657,823,000 NOK	—	295,105,000 NOK	—	—	15,483,176,000 NOK	—	9,943,000 NOK	—	57,593,000 NOK	—	5,734,000 NOK	—	13,230,349,000 NOK	3,101,961,000 NOK	—	92,653,000 NOK	29,450,000 NOK	2,252,827,000 NOK	—	—	—	—	—	8,900,681,000 NOK	1,135,886,000 NOK	136,075,000 NOK	248,394,000 NOK	—	28,325,000 NOK	9,851,016,000 NOK	—	0 NOK	—	58,000 NOK	130,445,000 NOK	415,286,000 NOK	—	—	10,986,902,000 NOK	—	—	—	8,131,000 NOK	—	—	9,007,710,000 NOK	732,391,000 NOK	73,267,000 NOK	201,508,000 NOK	9,740,100,000 NOK	415,286,000 NOK	8,289,417,000 NOK	94,000 NOK	0 NOK	0 NOK	28,325,000 NOK	0 NOK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	51,404,000 NOK	—	—	0 NOK	—	0 NOK	2,616,716,000 NOK	—	0 NOK	—	0 NOK	—	0 NOK	—	0 NOK	—	—	0 NOK	—	—	—	0 NOK	2,668,120,000 NOK	2,616,716,000 NOK	0 NOK	2,008,290,000 NOK	—	—	—	—	0 NOK	—	—	1,979,018,000 NOK	—	0 NOK	—	—	—	0 NOK	0 NOK	—	0 NOK	29,272,000 NOK	0 NOK	—	1,979,018,000 NOK	0 NOK	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	45,869,000 NOK	—	—	78,482,000 NOK	—	0 NOK	112,352,000 NOK	—	9,943,000 NOK	—	0 NOK	—	37,792,000 NOK	—	13,865,000 NOK	—	—	0 NOK	—	—	—	0 NOK	158,221,000 NOK	0 NOK	0 NOK	212,083,000 NOK	—	—	—	—	0 NOK	—	—	0 NOK	—	136,075,000 NOK	—	—	—	0 NOK	0 NOK	—	57,178,000 NOK	26,962,000 NOK	0 NOK	—	185,121,000 NOK	8,131,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	5,535,000 NOK	—	—	78,482,000 NOK	—	0 NOK	2,504,364,000 NOK	—	9,943,000 NOK	—	0 NOK	—	37,792,000 NOK	—	13,865,000 NOK	—	—	0 NOK	—	—	—	0 NOK	2,509,899,000 NOK	2,616,716,000 NOK	0 NOK	2,220,373,000 NOK	—	—	—	—	0 NOK	—	—	1,979,018,000 NOK	—	136,075,000 NOK	—	—	—	0 NOK	0 NOK	—	57,178,000 NOK	56,234,000 NOK	0 NOK	—	2,164,139,000 NOK	8,131,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—
Issue of equity	639,093,000 NOK	—	—	0 NOK	—	0 NOK	2,709,000,000 NOK	—	0 NOK	—	2,707,875,000 NOK	—	0 NOK	—	0 NOK	—	—	1,125,000 NOK	—	—	—	0 NOK	3,348,093,000 NOK	0 NOK	0 NOK	500,931,000 NOK	—	—	—	—	0 NOK	—	—	0 NOK	—	0 NOK	—	—	—	0 NOK	0 NOK	—	0 NOK	500,931,000 NOK	0 NOK	—	0 NOK	0 NOK	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	9,800,000 NOK	—	—	0 NOK	—	0 NOK	2,261,359,000 NOK	—	0 NOK	—	0 NOK	—	0 NOK	—	0 NOK	—	—	0 NOK	—	—	—	0 NOK	2,271,159,000 NOK	2,261,359,000 NOK	0 NOK	1,493,002,000 NOK	—	—	—	—	0 NOK	—	—	1,469,874,000 NOK	—	0 NOK	—	—	—	0 NOK	0 NOK	—	0 NOK	23,128,000 NOK	0 NOK	—	1,469,874,000 NOK	0 NOK	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	141,000 NOK	—	—	0 NOK	—	0 NOK	512,000 NOK	—	0 NOK	—	0 NOK	—	0 NOK	—	0 NOK	—	—	0 NOK	—	—	—	0 NOK	372,000 NOK	512,000 NOK	0 NOK	5,702,000 NOK	—	—	—	—	0 NOK	—	—	5,914,000 NOK	—	0 NOK	—	—	—	0 NOK	0 NOK	—	0 NOK	212,000 NOK	0 NOK	—	5,914,000 NOK	0 NOK	—	—	—	—	—	—	—	—	—	—	—	—