Analysis Of Income And Expense [Abstract]

DOF ASA - Filing #2615394

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	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	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue	—	—	—	—	—	—	—	—	6 356 NOK	—	6 212 NOK	—	—	—	—	—	—	—	—	—
Material income and expense [abstract]
Gains (losses) on disposals of property, plant and equipment [abstract]
Gains (losses) on disposals of property, plant and equipment	—	—	—	—	—	—	—	—	109,000,000 NOK	—	19,000,000 NOK	—	—	—	—	—	—	—	—	—
Finance income (cost)	—	—	—	—	—	—	—	—	1 212 NOK	—	2 797 NOK	—	—	—	—	—	—	—	—	—
Operating expense	—	—	—	—	—	—	—	—	4 278 NOK	—	4 107 NOK	—	—	—	—	—	—	—	—	—
Gains (losses) on change in fair value of derivatives [abstract]
Gains (losses) on change in fair value of derivatives	—	—	—	—	—	—	—	—	40,000,000 NOK	—	56,000,000 NOK	—	—	—	—	—	—	—	—	—
Expenses by nature [abstract]
Classes of employee benefits expense [abstract]
Employee benefits expense	—	—	—	—	—	—	—	—	2 756 NOK	—	2 654 NOK	—	—	—	—	—	—	—	—	—
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation and amortisation expense [abstract]
Depreciation expense	—	—	—	—	—	—	—	—	1 030 NOK	—	856,000,000 NOK	—	—	—	—	—	—	—	—	—
Impairment loss (reversal of impairment loss) recognised in profit or loss	—	—	—	—	—	—	—	—	412,000,000 NOK	—	3 258 NOK	—	—	—	—	—	—	—	—	—
Other expenses, by nature	—	—	—	—	—	—	—	—	1 897 NOK	—	1 643 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, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract]
Other comprehensive income, before tax, exchange differences on translation of foreign operations	—	—	—	—	—	—	—	—	40,000,000 NOK	—	604,000,000 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	—	—	—	—	—	—	—	—	265,000,000 NOK	—	171,000,000 NOK	—	—	—	—	—	—	—	—	—
Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax [abstract]
Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax	—	—	—	—	—	—	—	—	115,000,000 NOK	—	47,000,000 NOK	—	—	—	—	—	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	23,000,000 NOK	67,000,000 NOK	48,000,000 NOK	337,000,000 NOK	- NOK	67,000,000 NOK	40,000,000 NOK	- NOK	428,000,000 NOK	425,000,000 NOK	4 343 NOK	2 897 NOK	1 396 NOK	2 059 NOK	- NOK	116,000,000 NOK	- NOK	547,000,000 NOK	49,000,000 NOK	2 897 NOK
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	—	—	405,000,000 NOK	—	4 293 NOK	—	—	—	—	—	—	—	—	—
Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract]
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	—	—	23,000,000 NOK	—	49,000,000 NOK	—	—	—	—	—	—	—	—	—