Statement Of Comprehensive Income [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 |
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 |
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 |
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 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||
| Profit (loss) |
1 055
NOK
|
0
NOK
|
0
NOK
|
0
NOK
|
142,000,000
NOK
|
0
NOK
|
0
NOK
|
0
NOK
|
140,000,000
NOK
|
142,000,000
NOK
|
0
NOK
|
140,000,000
NOK
|
773,000,000
NOK
|
0
NOK
|
795,000,000
NOK
|
0
NOK
|
1 077
NOK
|
0
NOK
|
0
NOK
|
0
NOK
|
221,000,000
NOK
|
0
NOK
|
0
NOK
|
777,000,000
NOK
|
0
NOK
|
0
NOK
|
429,000,000
NOK
|
221,000,000
NOK
|
225,000,000
NOK
|
0
NOK
|
0
NOK
|
331,000,000
NOK
|
875,000,000
NOK
|
225,000,000
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 |
1,000,000
NOK
|
— | — | — | — | — | — | — |
1,000,000
NOK
|
— | — |
1,000,000
NOK
|
— | — | — | — |
1,000,000
NOK
|
— | — | — |
23,000,000
NOK
|
— | — |
46,000,000
NOK
|
— | — | — |
23,000,000
NOK
|
23,000,000
NOK
|
— | — | — |
46,000,000
NOK
|
23,000,000
NOK
|
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||||||||||||||||||||
| Cost of hedging [abstract] | ||||||||||||||||||||||||||||||||||
| Change in value of foreign currency basis spreads [abstract] | ||||||||||||||||||||||||||||||||||
| Other comprehensive income, before tax, change in value of foreign currency basis spreads |
37,000,000
NOK
|
37,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
0
NOK
|
— | — | — | — | — | — |
30,000,000
NOK
|
— | — | — | — | — |
30,000,000
NOK
|
— | — |
0
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 |
0
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
0
NOK
|
— | — | — |
6,000,000
NOK
|
— | — |
12,000,000
NOK
|
— | — | — |
6,000,000
NOK
|
6,000,000
NOK
|
— | — | — |
12,000,000
NOK
|
6,000,000
NOK
|
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||||||||||||||||||||||||
| Income tax relating to change in value of foreign currency basis spreads included in other comprehensive income |
8,000,000
NOK
|
8,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
0
NOK
|
— | — | — | — | — | — |
6,000,000
NOK
|
— | — | — | — | — |
6,000,000
NOK
|
— | — |
0
NOK
|
— |
| Other comprehensive income |
28,000,000
NOK
|
29,000,000
NOK
|
0
NOK
|
0
NOK
|
0
NOK
|
0
NOK
|
0
NOK
|
0
NOK
|
1,000,000
NOK
|
0
NOK
|
0
NOK
|
1,000,000
NOK
|
0
NOK
|
0
NOK
|
0
NOK
|
0
NOK
|
1,000,000
NOK
|
0
NOK
|
0
NOK
|
0
NOK
|
17,000,000
NOK
|
0
NOK
|
0
NOK
|
58,000,000
NOK
|
0
NOK
|
0
NOK
|
0
NOK
|
17,000,000
NOK
|
17,000,000
NOK
|
24,000,000
NOK
|
0
NOK
|
0
NOK
|
34,000,000
NOK
|
17,000,000
NOK
|
| Comprehensive income |
1 027
NOK
|
29,000,000
NOK
|
0
NOK
|
0
NOK
|
142,000,000
NOK
|
0
NOK
|
0
NOK
|
0
NOK
|
141,000,000
NOK
|
142,000,000
NOK
|
0
NOK
|
141,000,000
NOK
|
773,000,000
NOK
|
0
NOK
|
795,000,000
NOK
|
0
NOK
|
1 078
NOK
|
0
NOK
|
0
NOK
|
0
NOK
|
238,000,000
NOK
|
0
NOK
|
0
NOK
|
835,000,000
NOK
|
0
NOK
|
0
NOK
|
429,000,000
NOK
|
238,000,000
NOK
|
242,000,000
NOK
|
24,000,000
NOK
|
0
NOK
|
331,000,000
NOK
|
909,000,000
NOK
|
242,000,000
NOK
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent |
979,000,000
NOK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 030
NOK
|
— | — | — | — | — | — |
804,000,000
NOK
|
— | — | — | — | — | — | — | — |
878,000,000
NOK
|
— |