Statement Of Comprehensive Income [Abstract]
| Concept |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) |
-
NOK
|
-
NOK
|
2 773
NOK
|
2 809
NOK
|
-
NOK
|
2 773
NOK
|
37,000,000
NOK
|
-
NOK
|
131,000,000
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
2 159
NOK
|
2 290
NOK
|
2 159
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 | — | — | — |
364,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
145,000,000
NOK
|
— |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||
| Cash flow hedges [abstract] | ||||||||||||||||
| Gains (losses) on cash flow hedges, before tax | — | — | — |
6,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
75,000,000
NOK
|
— |
| Cost of hedging [abstract] | ||||||||||||||||
| Change in value of foreign currency basis spreads [abstract] | ||||||||||||||||
| Gains (losses) on change in value of foreign currency basis spreads, before tax | — | — | — |
70,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
45,000,000
NOK
|
— |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — | — | — |
78,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
32,000,000
NOK
|
— |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||||||
| Income tax relating to cash flow hedges included in other comprehensive income | — | — | — |
14,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
26,000,000
NOK
|
— |
| Other comprehensive income |
50,000,000
NOK
|
-
NOK
|
518,000,000
NOK
|
521,000,000
NOK
|
-
NOK
|
284,000,000
NOK
|
3,000,000
NOK
|
284,000,000
NOK
|
21,000,000
NOK
|
-
NOK
|
94,000,000
NOK
|
-
NOK
|
194,000,000
NOK
|
192,000,000
NOK
|
213,000,000
NOK
|
92,000,000
NOK
|
| Comprehensive income | — | — | — |
3 331
NOK
|
— | — | — | — | — | — | — | — | — | — |
2 077
NOK
|
— |
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
3 291
NOK
|
— | — | — | — | — | — | — | — | — | — |
1 967
NOK
|
— |
| Comprehensive income, attributable to non-controlling interests | — | — | — |
40,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — |
110,000,000
NOK
|
— |