Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-01-01 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-01-01 |
|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||
| Cash flows from (used in) operating activities [abstract] | ||||||
| Dividends received, classified as operating activities | — |
33,000,000
NOK
|
— | — |
31,000,000
NOK
|
— |
| Interest paid, classified as operating activities | — |
150,000,000
NOK
|
— | — |
177,000,000
NOK
|
— |
| Interest received, classified as operating activities | — |
1. 191
NOK
|
— | — |
913,000,000
NOK
|
— |
| Cash flows from (used in) operating activities | — |
1,888,000
NOK
|
— | — |
526,000,000
NOK
|
— |
| Cash flows from (used in) investing activities [abstract] | ||||||
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
23,000,000
NOK
|
— | — |
8,000,000
NOK
|
— |
| Purchase of property, plant and equipment, classified as investing activities | — |
29,000,000
NOK
|
— | — |
48,000,000
NOK
|
— |
| Proceeds from sales of other long-term assets, classified as investing activities | — |
223,000,000
NOK
|
— | — |
78,000,000
NOK
|
— |
| Purchase of other long-term assets, classified as investing activities | — |
81,000,000
NOK
|
— | — |
68,000,000
NOK
|
— |
| Interest received, classified as investing activities | — |
57,000,000
NOK
|
— | — |
58,000,000
NOK
|
— |
| Cash flows from (used in) investing activities | — |
1,322,000
NOK
|
— | — |
30,000,000
NOK
|
— |
| Cash flows from (used in) financing activities [abstract] | ||||||
| Dividends paid, classified as financing activities | — |
125,000,000
NOK
|
— | — |
153,000,000
NOK
|
— |
| Interest paid, classified as financing activities | — |
154,000,000
NOK
|
— | — |
134,000,000
NOK
|
— |
| Cash flows from (used in) financing activities | — |
1,508,000
NOK
|
— | — |
487,000,000
NOK
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
942,000,000
NOK
|
— | — |
9,000,000
NOK
|
— |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
942,000,000
NOK
|
— | — |
9,000,000
NOK
|
— |
| Cash and cash equivalents |
1,812,000
NOK
|
— |
870,000,000
NOK
|
870,000,000
NOK
|
— |
861,000,000
NOK
|