Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-01-01 |
As at 2020-12-31 |
As at 2020-01-01 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Vehicles [abstract] | ||||
| Ships |
1 557 947
SEK
|
— |
1 457 557
SEK
|
— |
| Office equipment |
2 509
SEK
|
— |
1 263
SEK
|
— |
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Intangible assets other than goodwill |
1 074
SEK
|
— |
1 054
SEK
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | ||||
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements |
71 560
SEK
|
— |
31 649
SEK
|
— |
| Miscellaneous non-current assets [abstract] | ||||
| Other non-current assets |
8 184
SEK
|
— |
8 488
SEK
|
— |
| Trade and other receivables [abstract] | ||||
| Trade receivables |
33 677
SEK
|
— |
15 274
SEK
|
— |
| Other receivables |
14 725
SEK
|
— |
9 836
SEK
|
— |
| Prepayments and accrued income including contract assets [abstract] | ||||
| Accrued income including contract assets [abstract] | ||||
| Contract assets |
19 284
SEK
|
— |
27 506
SEK
|
— |
| Classes of current inventories [abstract] | ||||
| Current inventories |
11 918
SEK
|
— |
5 287
SEK
|
— |
| Classes of current inventories, alternative [abstract] | ||||
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
114 673
SEK
|
123 844
SEK
|
123 844
SEK
|
241 715
SEK
|
| Trade and other current payables [abstract] | ||||
| Current accruals and current deferred income including current contract liabilities [abstract] | ||||
| Current deferred income including current contract liabilities [abstract] | ||||
| Current contract liabilities [abstract] | ||||
| Current contract liabilities |
45 576
SEK
|
— |
41 544
SEK
|
— |
| Trade and other payables [abstract] | ||||
| Trade payables |
17 111
SEK
|
— |
6 553
SEK
|
— |
| Miscellaneous non-current liabilities [abstract] | ||||
| Other non-current liabilities |
5 068
SEK
|
— |
5 315
SEK
|
— |
| Miscellaneous current liabilities [abstract] | ||||
| Current accrued expenses and other current liabilities |
12 246
SEK
|
— |
17 163
SEK
|
— |
| Other current liabilities |
9 535
SEK
|
— |
8 067
SEK
|
— |
| Issued capital [abstract] | ||||
| Issued capital |
409 593
SEK
|
— |
409 593
SEK
|
— |
| Retained earnings [abstract] | ||||
| Retained earnings |
301 383
SEK
|
— |
422 444
SEK
|
— |
| Net assets (liabilities) [abstract] | ||||
| Assets |
1 848 504
SEK
|
— |
1 689 788
SEK
|
— |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
198 453
SEK
|
— |
186 376
SEK
|
— |
| Current liabilities |
89 091
SEK
|
— |
75 503
SEK
|
— |
| Assets less current liabilities [abstract] |