Statement Of Comprehensive Income [Abstract]

Norske Skog ASA - Filing #2546813

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31
Statement of comprehensive income [abstract]
Profit (loss)	0 NOK	0 NOK	481,000,000 NOK	481,000,000 NOK	0 NOK	2 572 NOK	2 572 NOK	0 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	—	—	8,000,000 NOK	—	—	14,000,000 NOK	—	—
Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]
Exchange differences on translation [abstract]
Gains (losses) on exchange differences on translation of foreign operations, before tax	—	—	243,000,000 NOK	—	—	187,000,000 NOK	—	—
Reclassification adjustments on exchange differences on translation of foreign operations, before tax	—	—	6,000,000 NOK	—	—	1,000,000 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	—	—	1,000,000 NOK	—	—	2,000,000 NOK	—	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract]
Income tax relating to exchange differences on translation of foreign operations included in other comprehensive income	—	—	0 NOK	—	—	0 NOK	—	—
Other comprehensive income	0 NOK	0 NOK	243,000,000 NOK	243,000,000 NOK	0 NOK	204,000,000 NOK	204,000,000 NOK	0 NOK
Comprehensive income	—	—	724,000,000 NOK	—	—	2 775 NOK	—	—