Statement Of Changes In Equity [Abstract]

Kongsberg Gruppen - Filing #2617056

Concept	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	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	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	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	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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	7 079 NOK	—	—	13 618 NOK	—	165,000,000 NOK	—	13 470 NOK	5 708 NOK	—	623,000,000 NOK	224,000,000 NOK	149,000,000 NOK	—	—	—	6 754 NOK	55,000,000 NOK	258,000,000 NOK	13 246 NOK	225,000,000 NOK	—	—	817,000,000 NOK	5 708 NOK	—	13 301 NOK	—	—	—	—	12 753 NOK	57,000,000 NOK	737,000,000 NOK	5 708 NOK	12 810 NOK	6 249 NOK	166,000,000 NOK	225,000,000 NOK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	131,000,000 NOK	—	- NOK	2 159 NOK	—	- NOK	—	- NOK	—	—	- NOK	—	—	—	2 290 NOK	2 159 NOK	2 932 NOK	—	—	—	—	—	2 890 NOK	- NOK	—	—	- NOK	—	- NOK	41,000,000 NOK	—	2 890 NOK	—	—	—	—	—	—	—	—
Other comprehensive income	21,000,000 NOK	—	94,000,000 NOK	192,000,000 NOK	—	- NOK	—	194,000,000 NOK	—	—	- NOK	—	—	—	213,000,000 NOK	92,000,000 NOK	147,000,000 NOK	—	—	—	—	—	103,000,000 NOK	92,000,000 NOK	—	—	- NOK	—	80,000,000 NOK	33,000,000 NOK	- NOK	115,000,000 NOK	—	—	—	—	—	—	—	—
Comprehensive income	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2 077 NOK	—	2 785 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Decrease through other distributions to owners, equity	—	—	—	196,000,000 NOK	—	—	—	—	—	—	1,000,000 NOK	—	—	—	196,000,000 NOK	194,000,000 NOK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	12,000,000 NOK	—	- NOK	11,000,000 NOK	—	- NOK	—	- NOK	—	—	- NOK	—	—	—	1,000,000 NOK	11,000,000 NOK	29,000,000 NOK	—	—	—	—	—	29,000,000 NOK	- NOK	—	—	- NOK	—	- NOK	- NOK	- NOK	29,000,000 NOK	—	—	—	—	—	—	—	—