Statement Of Changes In Equity [Abstract]
| Concept |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 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 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity |
20,000,000
NOK
|
— | — |
3 203
NOK
|
— |
1 487
NOK
|
— | — |
880,000,000
NOK
|
— | — |
5,000,000
NOK
|
64,000,000
NOK
|
2 323
NOK
|
23,000,000
NOK
|
— |
810,000,000
NOK
|
— |
3 494
NOK
|
— | — |
19,000,000
NOK
|
— | — | — |
918,000,000
NOK
|
1 950
NOK
|
5,000,000
NOK
|
19,000,000
NOK
|
2 575
NOK
|
677,000,000
NOK
|
— | — |
18,000,000
NOK
|
— | — | — |
2 175
NOK
|
— |
501,000,000
NOK
|
— |
3 572
NOK
|
22,000,000
NOK
|
— | — |
20,000,000
NOK
|
2 654
NOK
|
918,000,000
NOK
|
16,000,000
NOK
|
5,000,000
NOK
|
— | — | — | — |
1 839
NOK
|
901,000,000
NOK
|
49,000,000
NOK
|
756,000,000
NOK
|
2 593
NOK
|
5,000,000
NOK
|
18,000,000
NOK
|
62,000,000
NOK
|
3 494
NOK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — |
515,000,000
NOK
|
-
NOK
|
— |
402,000,000
NOK
|
— |
112,000,000
NOK
|
402,000,000
NOK
|
— |
-
NOK
|
-
NOK
|
— | — | — | — |
-
NOK
|
— |
-
NOK
|
— |
-
NOK
|
1 151
NOK
|
— |
958,000,000
NOK
|
193,000,000
NOK
|
-
NOK
|
— | — | — | — | — | — |
-
NOK
|
958,000,000
NOK
|
— |
-
NOK
|
-
NOK
|
210,000,000
NOK
|
— |
-
NOK
|
— |
1 019
NOK
|
— | — |
-
NOK
|
-
NOK
|
— | — | — | — | — |
-
NOK
|
-
NOK
|
1 229
NOK
|
1 019
NOK
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income | — |
83,000,000
NOK
|
1,000,000
NOK
|
— |
77,000,000
NOK
|
— |
7,000,000
NOK
|
-
NOK
|
— |
83,000,000
NOK
|
-
NOK
|
— | — | — | — |
-
NOK
|
— |
5,000,000
NOK
|
— |
-
NOK
|
36,000,000
NOK
|
— |
-
NOK
|
6,000,000
NOK
|
4,000,000
NOK
|
— | — | — | — | — | — |
2,000,000
NOK
|
29,000,000
NOK
|
— |
35,000,000
NOK
|
-
NOK
|
8,000,000
NOK
|
— |
27,000,000
NOK
|
— |
21,000,000
NOK
|
— | — |
2,000,000
NOK
|
46,000,000
NOK
|
— | — | — | — | — |
-
NOK
|
-
NOK
|
30,000,000
NOK
|
-
NOK
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income | — |
598,000,000
NOK
|
1,000,000
NOK
|
— |
479,000,000
NOK
|
— |
119,000,000
NOK
|
402,000,000
NOK
|
— |
83,000,000
NOK
|
-
NOK
|
— | — | — | — |
-
NOK
|
— |
5,000,000
NOK
|
— |
-
NOK
|
1 116
NOK
|
— |
958,000,000
NOK
|
187,000,000
NOK
|
4,000,000
NOK
|
— | — | — | — | — | — |
2,000,000
NOK
|
929,000,000
NOK
|
— |
35,000,000
NOK
|
-
NOK
|
202,000,000
NOK
|
— |
27,000,000
NOK
|
— |
997,000,000
NOK
|
— | — |
2,000,000
NOK
|
46,000,000
NOK
|
— | — | — | — | — |
-
NOK
|
-
NOK
|
1 199
NOK
|
1 019
NOK
|
— | — | — | — | — | — | — | — | — |
| Issue of equity | — |
83,000,000
NOK
|
-
NOK
|
— |
81,000,000
NOK
|
— |
2,000,000
NOK
|
-
NOK
|
— |
-
NOK
|
-
NOK
|
— | — | — | — |
81,000,000
NOK
|
— |
-
NOK
|
— |
-
NOK
|
125,000,000
NOK
|
— |
-
NOK
|
-
NOK
|
-
NOK
|
— | — | — | — | — | — |
-
NOK
|
125,000,000
NOK
|
— |
-
NOK
|
125,000,000
NOK
|
2,000,000
NOK
|
— |
-
NOK
|
— |
118,000,000
NOK
|
— | — |
-
NOK
|
-
NOK
|
— | — | — | — | — |
-
NOK
|
118,000,000
NOK
|
121,000,000
NOK
|
-
NOK
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners | — |
842,000,000
NOK
|
-
NOK
|
— |
700,000,000
NOK
|
— |
142,000,000
NOK
|
700,000,000
NOK
|
— |
-
NOK
|
-
NOK
|
— | — | — | — |
-
NOK
|
— |
-
NOK
|
— |
-
NOK
|
1 365
NOK
|
— |
1 125
NOK
|
240,000,000
NOK
|
-
NOK
|
— | — | — | — | — | — |
-
NOK
|
1 125
NOK
|
— |
-
NOK
|
-
NOK
|
186,000,000
NOK
|
— |
-
NOK
|
— |
1 116
NOK
|
— | — |
-
NOK
|
-
NOK
|
— | — | — | — | — |
-
NOK
|
427,000,000
NOK
|
1 302
NOK
|
689,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — |
184,000,000
NOK
|
-
NOK
|
— |
157,000,000
NOK
|
— |
27,000,000
NOK
|
157,000,000
NOK
|
— |
-
NOK
|
-
NOK
|
— | — | — | — |
-
NOK
|
— |
-
NOK
|
— |
-
NOK
|
50,000,000
NOK
|
— |
89,000,000
NOK
|
39,000,000
NOK
|
-
NOK
|
— | — | — | — | — | — |
-
NOK
|
89,000,000
NOK
|
— |
-
NOK
|
-
NOK
|
8,000,000
NOK
|
— |
-
NOK
|
— |
18,000,000
NOK
|
— | — |
-
NOK
|
-
NOK
|
— | — | — | — | — |
-
NOK
|
-
NOK
|
26,000,000
NOK
|
18,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — |
56,000,000
NOK
|
-
NOK
|
— |
52,000,000
NOK
|
— |
4,000,000
NOK
|
-
NOK
|
— |
-
NOK
|
-
NOK
|
— | — | — | — |
52,000,000
NOK
|
— |
-
NOK
|
— |
-
NOK
|
55,000,000
NOK
|
— |
-
NOK
|
4,000,000
NOK
|
-
NOK
|
— | — | — | — | — | — |
-
NOK
|
51,000,000
NOK
|
— |
-
NOK
|
51,000,000
NOK
|
7,000,000
NOK
|
— |
-
NOK
|
— |
55,000,000
NOK
|
— | — |
-
NOK
|
-
NOK
|
— | — | — | — | — |
-
NOK
|
55,000,000
NOK
|
62,000,000
NOK
|
-
NOK
|
— | — | — | — | — | — | — | — | — |