Statement Of Comprehensive Income [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||
| Profit (loss) |
14,000,000
NOK
|
5 139,1
NOK
|
— |
1,344,000,000
NOK
|
5 006,2
NOK
|
5 140,6
NOK
|
4 055,7
NOK
|
4 130,4
NOK
|
— |
14,000,000
NOK
|
4 131,8
NOK
|
761,000,000
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 | — |
620,000,000
NOK
|
— | — | — | — | — |
1,356,000,000
NOK
|
— | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations | — |
4,189,000,000
NOK
|
— | — | — | — | — |
4,502,000,000
NOK
|
— | — | — | — |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — |
155,000,000
NOK
|
— | — | — | — | — |
339,000,000
NOK
|
— | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — |
662,000,000
NOK
|
— | — | — | — | — |
642,000,000
NOK
|
— | — | — | — |
| Other comprehensive income |
9,000,000
NOK
|
3,504,000,000
NOK
|
12,000,000
NOK
|
— |
3,483,000,000
NOK
|
3,495,000,000
NOK
|
3,274,000,000
NOK
|
3,286,000,000
NOK
|
12,000,000
NOK
|
— |
3,286,000,000
NOK
|
— |
| Comprehensive income |
6,000,000
NOK
|
5 489,5
NOK
|
12,000,000
NOK
|
1,344,000,000
NOK
|
5 354,5
NOK
|
5 490,1
NOK
|
4 383,1
NOK
|
4 459,0
NOK
|
12,000,000
NOK
|
14,000,000
NOK
|
4 460,4
NOK
|
761,000,000
NOK
|
| Comprehensive income attributable to [abstract] | ||||||||||||
| Comprehensive income, attributable to non-controlling interests | — |
6,000,000
NOK
|
— | — | — | — | — |
14,000,000
NOK
|
— | — | — | — |