Statement Of Comprehensive Income [Abstract]

Kongsberg Gruppen - Filing #2617056

Concept	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 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	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	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Statement of comprehensive income [abstract]
Profit (loss)	131,000,000 NOK	- NOK	- NOK	- NOK	- NOK	2 159 NOK	2 290 NOK	2 159 NOK	2 890 NOK	- NOK	2 932 NOK	- NOK	41,000,000 NOK	—	- NOK	2 890 NOK
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans	—	—	—	—	—	—	145,000,000 NOK	—	—	—	167,000,000 NOK	—	—	—	—	—
Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]
Cash flow hedges [abstract]
Gains (losses) on cash flow hedges, before tax	—	—	—	—	—	—	75,000,000 NOK	—	—	—	19,000,000 NOK	—	—	—	—	—
Cost of hedging [abstract]
Change in value of foreign currency basis spreads [abstract]
Gains (losses) on change in value of foreign currency basis spreads, before tax	—	—	—	—	—	—	45,000,000 NOK	—	—	—	99,000,000 NOK	—	—	—	—	—
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract]
Income tax relating to remeasurements of defined benefit plans included in other comprehensive income	—	—	—	—	—	—	32,000,000 NOK	—	—	—	37,000,000 NOK	—	—	—	—	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract]
Income tax relating to cash flow hedges included in other comprehensive income	—	—	—	—	—	—	26,000,000 NOK	—	—	—	26,000,000 NOK	—	—	—	—	—
Other comprehensive income	21,000,000 NOK	- NOK	94,000,000 NOK	- NOK	194,000,000 NOK	192,000,000 NOK	213,000,000 NOK	92,000,000 NOK	103,000,000 NOK	- NOK	147,000,000 NOK	80,000,000 NOK	33,000,000 NOK	- NOK	92,000,000 NOK	115,000,000 NOK
Comprehensive income	—	—	—	—	—	—	2 077 NOK	—	—	—	2 785 NOK	—	—	—	—	—
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	1 967 NOK	—	—	—	2 776 NOK	—	—	—	—	—
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	110,000,000 NOK	—	—	—	9,000,000 NOK	—	—	—	—	—