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Critical Accounting Estimates and Judgments - Additional Information (Detail) - SEK (kr) kr in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of accounting judgements and estimates [line items] |  |  |
Allowances for estimated losses on trade and customer receivables | kr 2,600 | kr 2,500 |
Percentage of allowances for estimated losses on gross trade and customer finance receivables | 5.00% | 4.00% |
Write-downs for intangible assets and goodwill | kr (31,916) | kr (61) | kr (313)
Goodwill | 52,944 | 84,570 |
Lease liabilities | 7,455 | 9,304 |
Provisions | 11,706 | 11,588 | kr 9,504
Contingent liabilities | 3,037 | 3,322 |
Defined benefit obligation (DBO) | 85,535 | 83,691 |
Fair value of plan assets | kr 62,593 | kr 60,480 |
Inventory written down as a percentage of total inventory | 10.00% | 8.00% |
Inventory write down | kr 4,000 | kr 3,900 |
Financial assets at fair value through profit or loss | 89,700 | 90,200 |
Deferred tax assets | 22,375 | 19,394 |
Customer Finance [Member] |  |  |
Disclosure of accounting judgements and estimates [line items] |  |  |
Financial assets at fair value through profit or loss | 6,900 | 5,400 |
Intellectual property rights brands and other intangible assets [member] |  |  |
Disclosure of accounting judgements and estimates [line items] |  |  |
Intangible assets and goodwill | kr 75,600 | kr 110,900 |

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- Definition The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2023-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph o -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_o&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 56 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_56&doctype=Standard -URIDate 2023-03-23 + Details
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