Analysis Of Income And Expense [Abstract]

Nel ASA - Filing #3637833

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	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
Analysis of income and expense [abstract]
Material income and expense [abstract]
Revenue and other operating income	1 494 933 NOK	—	—	—	1 427 143 NOK	—	—	—
Operating expense	1 884 361 NOK	—	—	—	1 870 663 NOK	—	—	—
Expenses by nature [abstract]
Raw materials and consumables used	503 976 NOK	—	—	—	715 136 NOK	—	—	—
Classes of employee benefits expense [abstract]
Employee benefits expense	645 586 NOK	—	—	—	545 660 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	216 486 NOK	—	—	—	170 268 NOK	—	—	—
Impairment loss (reversal of impairment loss) recognised in profit or loss	0 NOK	—	—	—	1 424 NOK	—	—	—
Other expenses, by nature	518 313 NOK	—	—	—	438 175 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	92 554 NOK	—	—	—	1 253 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	0 NOK	—	—	—	3 714 NOK	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	160 652 NOK	8 864 NOK	92 554 NOK	244 342 NOK	840 536 NOK	15 913 NOK	855 196 NOK	1 253 NOK
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	160 652 NOK	—	—	—	840 536 NOK	—	—	—