Analysis Of Income And Expense [Abstract]

Nel ASA - Filing #2549548

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
Analysis of income and expense [abstract]
Material income and expense [abstract]
Revenue and other operating income	1 773 076 NOK	—	—	—	—	993 581 NOK	—	—
Operating expense	2 472 580 NOK	—	—	—	—	2 272 235 NOK	—	—
Expenses by nature [abstract]
Raw materials and consumables used	856 926 NOK	—	—	—	—	584 815 NOK	—	—
Classes of employee benefits expense [abstract]
Employee benefits expense	821 303 NOK	—	—	—	—	664 815 NOK	—	—
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation and amortisation expense [abstract]
Depreciation and amortisation expense	223 814 NOK	—	—	—	—	171 483 NOK	—	—
Impairment loss (reversal of impairment loss) recognised in profit or loss	1 971 NOK	—	—	—	—	327 298 NOK	—	—
Other expenses, by nature	568 566 NOK	—	—	—	—	523 824 NOK	—	—
Disclosure of attribution of expenses by nature to their function [text block]	—	—	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [abstract]
Disclosure of attribution of expenses by nature to their function [line items]
Miscellaneous other comprehensive income [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations	1 253 NOK	—	—	—	—	65 035 NOK	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of associates and joint ventures accounted for using equity method	3 714 NOK	—	—	—	—	0 NOK	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	840 536 NOK	15 913 NOK	855 196 NOK	1 253 NOK	13 748 NOK	1 119 882 NOK	1 171 169 NOK	65 035 NOK
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	840 536 NOK	—	—	—	—	1 119 882 NOK	—	—