Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Property, plant and equipment |
21,000,000
SEK
|
21,000,000
SEK
|
— | — |
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Intangible assets under development |
546,000,000
SEK
|
548,000,000
SEK
|
— | — |
| Goodwill |
2,309,000,000
SEK
|
2,230,000,000
SEK
|
— | — |
| Trade and other current receivables [abstract] | ||||
| Current trade receivables |
1,470,000,000
SEK
|
1,919,000,000
SEK
|
— | — |
| Current prepayments and current accrued income other than current contract assets [abstract] | ||||
| Current prepayments [abstract] | ||||
| Current advances to suppliers |
193,000,000
SEK
|
118,000,000
SEK
|
— | — |
| Other current receivables |
146,000,000
SEK
|
154,000,000
SEK
|
— | — |
| Current prepayments and current accrued income including current contract assets [abstract] | ||||
| Trade and other receivables [abstract] | ||||
| Prepayments and accrued income other than contract assets [abstract] | ||||
| Prepayments and accrued income other than contract assets |
44,000,000
SEK
|
47,000,000
SEK
|
— | — |
| Classes of current inventories [abstract] | ||||
| Current merchandise |
2,084,000,000
SEK
|
2,251,000,000
SEK
|
— | — |
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
1,544,000,000
SEK
|
1,791,000,000
SEK
|
1,791,000,000
SEK
|
1,706,000,000
SEK
|
| Classes of other provisions [abstract] | ||||
| Warranty provision [abstract] | ||||
| Current warranty provision |
297,000,000
SEK
|
341,000,000
SEK
|
— | — |
| Other provisions [abstract] | ||||
| Other non-current provisions |
481,000,000
SEK
|
488,000,000
SEK
|
— | — |
| Non-current portion of non-current borrowings, by type [abstract] | ||||
| Non-current portion of non-current loans received |
750,000,000
SEK
|
1,500,000,000
SEK
|
— | — |
| Trade and other current payables [abstract] | ||||
| Current accruals and current deferred income including current contract liabilities [abstract] | ||||
| Accruals classified as current |
1,462,000,000
SEK
|
1,467,000,000
SEK
|
— | — |
| Other current payables |
181,000,000
SEK
|
164,000,000
SEK
|
— | — |
| Trade and other current payables |
866,000,000
SEK
|
1,258,000,000
SEK
|
— | — |
| Issued capital [abstract] | ||||
| Issued capital |
245,000,000
SEK
|
245,000,000
SEK
|
— | — |
| Retained earnings [abstract] | ||||
| Retained earnings |
1,113,000,000
SEK
|
704,000,000
SEK
|
— | — |
| Miscellaneous equity [abstract] | ||||
| Additional paid-in capital |
3,055,000,000
SEK
|
3,055,000,000
SEK
|
— | — |
| Net assets (liabilities) [abstract] | ||||
| Assets |
9,038,000,000
SEK
|
9,909,000,000
SEK
|
— | — |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
5,481,000,000
SEK
|
6,280,000,000
SEK
|
— | — |
| Assets less current liabilities [abstract] |