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Provisions - Additional Information (Detail) - SEK (kr) kr in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of Provisions [line items] |  |  |
Non-current provisions | kr 3,722 | kr 2,886 |
Provisions | 9,504 | 10,466 | kr 10,923
Restructuring [member] |  |  |
Disclosure of Provisions [line items] |  |  |
Non-current provisions | 228 | 43 |
Provisions | kr 639 | 1,200 | 1,095
Period for which Provision Will Be Utilized | 1 year |  |
Customer Related Provision [member] |  |  |
Disclosure of Provisions [line items] |  |  |
Non-current provisions | kr 1,952 | 2,134 |
Provisions | kr 3,440 | 3,850 | 3,738
Period for which Provision Will Be Utilized | 5 years |  |
Suppliers Related Provision [member] |  |  |
Disclosure of Provisions [line items] |  |  |
Provisions | kr 1,231 | 791 | 1,309
Period for which Provision Will Be Utilized | 1 year |  |
Warranty [member] |  |  |
Disclosure of Provisions [line items] |  |  |
Non-current provisions | kr 754 |  |
Provisions | kr 1,074 | 987 | 941
Period for which Provision Will Be Utilized | 2 years |  |
Other [member] |  |  |
Disclosure of Provisions [line items] |  |  |
Non-current provisions | kr 112 | 22 |
Provisions | kr 1,529 | 1,531 | 1,899
Period for which Provision Will Be Utilized | 1 year |  |
Provision for Share Based Payments |  |  |
Disclosure of Provisions [line items] |  |  |
Non-current provisions | kr 676 | 687 |
Provisions |  | kr 2,107 | kr 1,941
Period for which Provision Will Be Utilized | 1 year |  |

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- Definition Disclosure of provisions line items. + References No definition available. + Details
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- Definition The description of the expected timing of outflows of economic benefits related to other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2021-01-01 -Paragraph 85 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_85_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of non-current provisions, including provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph l -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_l&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of liabilities of uncertain timing or amount, including provisions for employee benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph l -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_l&doctype=Standard -URIDate 2021-03-24 + Details
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