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Provisions - Summary of Provisions (Detail) - SEK (kr) kr in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure Of Changes In Provisions [line items] |  |
Opening balance | kr 10,466 | kr 10,923
Additions | 4,423 | 5,247
Reversal of excess amounts | (1,178) | (1,161)
Charged to income statement | 3,245 | 4,086
Utilization/Cash out | (4,209) | (3,975)
Reclassiﬁcations | (144) | (27)
Translation differences | 146 | (541)
Closing balance | 9,504 | 10,466
Provisions, current | 5,782 | 7,580
Provisions, non-current | 3,722 | 2,886
Restructuring [member] |  |
Disclosure Of Changes In Provisions [line items] |  |
Opening balance | 1,200 | 1,095
Additions | 303 | 1,144
Reversal of excess amounts | (98) | (149)
Utilization/Cash out | (785) | (815)
Reclassiﬁcations | (1) | 9
Translation differences | 20 | (84)
Closing balance | 639 | 1,200
Provisions, current | 411 | 1,157
Provisions, non-current | 228 | 43
Customer Related Provision [member] |  |
Disclosure Of Changes In Provisions [line items] |  |
Opening balance | 3,850 | 3,738
Additions | 795 | 1,108
Reversal of excess amounts | (491) | (83)
Utilization/Cash out | (841) | (766)
Reclassiﬁcations | 104 | (4)
Translation differences | 23 | (143)
Closing balance | 3,440 | 3,850
Provisions, current | 1,488 | 1,716
Provisions, non-current | 1,952 | 2,134
Suppliers Related Provision [member] |  |
Disclosure Of Changes In Provisions [line items] |  |
Opening balance | 791 | 1,309
Additions | 1,020 | 535
Reversal of excess amounts | (228) | (438)
Utilization/Cash out | (175) | (595)
Reclassiﬁcations | (179) | (14)
Translation differences | 2 | (6)
Closing balance | 1,231 | 791
Provisions, current | 1,231 | 791
Warranty [member] |  |
Disclosure Of Changes In Provisions [line items] |  |
Opening balance | 987 | 941
Additions | 455 | 248
Reversal of excess amounts | (153) | (99)
Utilization/Cash out | (109) | (105)
Reclassiﬁcations | (107) | 3
Translation differences | 1 | (1)
Closing balance | 1,074 | 987
Provisions, current | 320 | 987
Provisions, non-current | 754 |
Other [member] |  |
Disclosure Of Changes In Provisions [line items] |  |
Opening balance | 1,531 | 1,899
Additions | 483 | 649
Reversal of excess amounts | (86) | (323)
Utilization/Cash out | (462) | (499)
Reclassiﬁcations | 39 | (20)
Translation differences | 24 | (175)
Closing balance | 1,529 | 1,531
Provisions, current | 1,417 | 1,509
Provisions, non-current | 112 | 22
Provision for Share Based Payments [Member] |  |
Disclosure Of Changes In Provisions [line items] |  |
Opening balance | 2,107 | 1,941
Additions | 1,367 | 1,563
Reversal of excess amounts | (122) | (69)
Utilization/Cash out | (1,837) | (1,195)
Reclassiﬁcations | 76 | (1)
Translation differences | 1,591 | (132)
Closing balance |  | 2,107
Provisions, current | 915 | 1,420
Provisions, non-current | kr 676 | kr 687

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- Definition The amount of additional other provisions made. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2021-01-01 -Paragraph 84 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_84_b&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in other provisions resulting from foreign currency exchange rate changes on provisions measured in a currency different from the entity's presentation currency. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 37 -IssueDate 2021-01-01 -Paragraph 84 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_84&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in other provisions resulting from transfers and changes that the entity does not separately disclose in the same statement or note. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 37 -IssueDate 2021-01-01 -Paragraph 84 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_84&doctype=Standard -URIDate 2021-03-24 + Details
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