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Expenses by Nature - Summary of Restructuring Charges by Function (Detail) - SEK (kr) kr in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Expense by Nature [line items] |  |  |
Total restructuring charges | kr 6,521 | kr 399 | kr 549
Cost of sales [member] |  |  |
Expense by Nature [line items] |  |  |
Total restructuring charges | 2,802 | 195 | 273
R&D expenses [member] |  |  |
Expense by Nature [line items] |  |  |
Total restructuring charges | 2,431 | 54 | 137
Selling and administrative expenses [member] |  |  |
Expense by Nature [line items] |  |  |
Total restructuring charges | kr 1,288 | kr 150 | kr 139

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- Definition Line items represent concepts included in a table. These concepts are used to disclose the amount of expenses aggregated according to their nature (for example, depreciation, purchases of materials, transport costs, employee benefits and advertising costs), and not reallocated among functions within the entity. + References No definition available. + Details
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- Definition The amount of expense relating to restructuring. Restructuring is a programme that is planned and controlled by management and materially changes either the scope of a business undertaken by an entity or the manner in which that business is conducted. Such programmes include: (a) the sale or termination of a line of business; (b) closure of business locations in a country or region or the relocation of activities from one country or region to another; (c) changes in management structure; and (d) fundamental reorganisations that have a material effect on the nature and focus of the entity's operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 98 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_98_b&doctype=Standard -URIDate 2023-03-23 + Details
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