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Employee Information - Summary of Wages and Salaries and Social Security Expenses (Detail) - SEK (kr) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of Information About Employees [line items] |  |  |
Wages and salaries | kr 154,729,302 | kr 152,100,147 | kr 128,252,290
Social security expenses | 64,768,431 | 82,824,511 | kr 80,103,179
Employee remuneration [member] |  |  |
Disclosure of Information About Employees [line items] |  |  |
Wages and salaries | 84,996,000,000 | 73,526,000,000 |
Social security expenses | 16,442,000,000 | 15,665,000,000 |
Of which pension costs | kr 6,175,000,000 | kr 6,316,000,000 |

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- Definition Defined contribution and defined benefit plan expense. + References No definition available. + Details
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Namespace Prefix: | eric_
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Balance Type: | debit
Period Type: | duration

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- Definition Line items representing the information about employees. + References No definition available. + Details
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- Definition A class of employee benefits expense that represents social security contributions. [Refer: Employee benefits expense] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 9 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_9&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition A class of employee benefits expense that represents wages and salaries. [Refer: Employee benefits expense] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 9 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_9&doctype=Standard -URIDate 2023-03-23 + Details
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- Details
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