Statement Of Comprehensive Income [Abstract]
| 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 |
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 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||||||
| Profit (loss) |
4,000,000
NOK
|
175,000,000
NOK
|
80,000,000
NOK
|
-
NOK
|
297,000,000
NOK
|
196,000,000
NOK
|
115,000,000
NOK
|
-
NOK
|
3,000,000
NOK
|
-
NOK
|
869,000,000
NOK
|
505,000,000
NOK
|
-
NOK
|
-
NOK
|
189,000,000
NOK
|
6,000,000
NOK
|
120,000,000
NOK
|
109,000,000
NOK
|
92,000,000
NOK
|
-
NOK
|
1,000,000
NOK
|
-
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 |
-
NOK
|
8,000,000
NOK
|
1,000,000
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
6,000,000
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
15,000,000
NOK
|
1,000,000
NOK
|
-
NOK
|
-
NOK
|
3,000,000
NOK
|
-
NOK
|
-
NOK
|
4,000,000
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, before tax | — | — | — | — | — | — | — | — | — | — |
153,000,000
NOK
|
101,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||||||||
| Financial assets measured at fair value through other comprehensive income [abstract] | ||||||||||||||||||||||
| Gains (losses) on financial assets measured at fair value through other comprehensive income, before tax |
-
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
1,000,000
NOK
|
-
NOK
|
1,000,000
NOK
|
3,000,000
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
3,000,000
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — |
14,000,000
NOK
|
2,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income | — | — | — | — | — | — | — | — | — | — |
855,000,000
NOK
|
507,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income attributable to [abstract] | ||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — | — | — | — |
851,000,000
NOK
|
505,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — | — | — | — |
4,000,000
NOK
|
1,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |