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Related party transactions - Summary of Related Party Transactions (Detail) - SEK (kr) kr in Billions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Ericsson Nikola Tesla [member] |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Sales to Ericsson Nikola Tesla | kr 0.4 | kr 0.3 | kr 0.4
Purchases from Ericsson Nikola Tesla | 1.6 | 1.5 | 1.2
Leone Media Inc. [member] |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Loans to MediaKind (Leone Media Inc.) | kr 0.6 | kr 0.6 | kr 0.5

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- Definition The amount of leases where the entity was the lessor in related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 24 -IssueDate 2023-01-01 -Paragraph 21 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_21_d&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of goods purchased by the entity in related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 24 -IssueDate 2023-01-01 -Paragraph 21 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_21_a&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of revenue arising from the sale of goods in related party transactions. [Refer: Revenue; Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 24 -IssueDate 2023-01-01 -Paragraph 21 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_21_a&doctype=Standard -URIDate 2023-03-23 + Details
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- Details
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- Details
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