Statement Of Cash Flows [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||||
| Profit (loss) |
68,000,000
NOK
|
388,000,000
NOK
|
— |
-
NOK
|
-
NOK
|
-
NOK
|
-
NOK
|
456,000,000
NOK
|
388,000,000
NOK
|
368,000,000
NOK
|
478,000,000
NOK
|
— |
-
NOK
|
-
NOK
|
110,000,000
NOK
|
-
NOK
|
478,000,000
NOK
|
-
NOK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||||||
| Adjustments for income tax expense | — | — | — | — | — | — | — |
234,000,000
NOK
|
— |
214,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
| Adjustments for unrealised foreign exchange losses (gains) | — | — | — | — | — | — | — |
69,000,000
NOK
|
— |
398,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
| Adjustments for undistributed profits of associates | — | — | — | — | — | — | — |
765,000,000
NOK
|
— |
16,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
| Cash flows from (used in) operations | — | — | — | — | — | — | — |
2,072,000,000
NOK
|
— |
1,671,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||||
| Interest received, classified as investing activities | — | — | — | — | — | — | — |
47,000,000
NOK
|
— |
57,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — |
8,081,000,000
NOK
|
— |
1,704,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||||
| Proceeds from changes in ownership interests in subsidiaries that do not result in loss of control | — | — | — | — | — | — | — |
12,000,000
NOK
|
— |
159,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
| Proceeds from issuing shares | — | — | — | — | — | — | — |
42,000,000
NOK
|
— |
6,576,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
| Proceeds from borrowings, classified as financing activities | — | — | — | — | — | — | — |
4,699,000,000
NOK
|
— |
-
NOK
|
— | — | — | — | — | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — | — |
25,000,000
NOK
|
— |
18,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
| Interest paid, classified as financing activities | — | — | — | — | — | — | — |
1,180,000,000
NOK
|
— |
894,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — |
2,413,000,000
NOK
|
— |
4,984,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — | — | — | — |
3,597,000,000
NOK
|
— |
4,951,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — | — | — | — |
20,000,000
NOK
|
— |
13,000,000
NOK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
4,171,000,000
NOK
|
— | — | — | — | — | — | — | — |
7,788,000,000
NOK
|
— | — | — | — | — | — |
2,824,000,000
NOK
|