Statement Of Changes In Equity [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 |
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 changes in equity [abstract] | ||||||||||
| Statement of changes in equity [line items] | ||||||||||
| Increase (decrease) through transactions with owners, equity |
240,000,000
NOK
|
0
NOK
|
4 193,2
NOK
|
709,000,000
NOK
|
4 146,3
NOK
|
3 872,8
NOK
|
407,000,000
NOK
|
0
NOK
|
3 889,8
NOK
|
236,000,000
NOK
|
| Purchase of treasury shares | — |
0
NOK
|
207,000,000
NOK
|
— |
207,000,000
NOK
|
223,000,000
NOK
|
— |
0
NOK
|
223,000,000
NOK
|
— |