Analysis Of Income And Expense [Abstract]
| 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 |
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 |
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] | ||||||||||||||||
| Revenue [abstract] | ||||||||||||||||
| Revenue from sale of goods | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Revenue from sale of electricity | — |
3,399,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
3,002,000,000
NOK
|
— | — | — | — |
| Revenue | — |
4,721,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
3,751,000,000
NOK
|
— | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||
| Gains (losses) on disposals of non-current assets [abstract] | ||||||||||||||||
| Gains on disposals of non-current assets | — |
1,276,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
-
NOK
|
— | — | — | — |
| Gains (losses) on disposals of property, plant and equipment [abstract] | ||||||||||||||||
| Gains (losses) on disposals of property, plant and equipment | — |
68,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
45,000,000
NOK
|
— | — | — | — |
| Finance income (cost) | — |
1,617,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
1,818,000,000
NOK
|
— | — | — | — |
| Operating expense | — |
584,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
668,000,000
NOK
|
— | — | — | — |
| Expenses by nature [abstract] | ||||||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||||||
| Employee benefits expense | — |
570,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
528,000,000
NOK
|
— | — | — | — |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||||||
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss | — |
942,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
1,832,000,000
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 | — |
46,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
749,000,000
NOK
|
— | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income |
-
NOK
|
1,092,000,000
NOK
|
389,000,000
NOK
|
628,000,000
NOK
|
-
NOK
|
704,000,000
NOK
|
166,000,000
NOK
|
241,000,000
NOK
|
309,000,000
NOK
|
-
NOK
|
648,000,000
NOK
|
242,000,000
NOK
|
-
NOK
|
1,334,000,000
NOK
|
406,000,000
NOK
|
377,000,000
NOK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
704,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
648,000,000
NOK
|
— | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — |
389,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
406,000,000
NOK
|
— | — | — | — |