XML 225 R89.htm IDEA: XBRL DOCUMENT
v3.22.1

Inventories - Additional Information (Detail) - SEK (kr) kr in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure Of Inventories [Abstract] |  |  |
Inventories, recognized as expense | kr 60,362 | kr 61,647 |
Inventory obsolescence allowances | kr 3,676 | kr 3,627 | kr 3,386

X
- Definition Allowance for inventory obsolescence. + References No definition available. + Details
Name: | eric_AllowanceForInventoryObsolescence
Namespace Prefix: | eric_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Disclosure of inventories. + References No definition available. + Details
Name: | eric_DisclosureOfInventoriesAbstract
Namespace Prefix: | eric_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of inventories recognised as an expense during the period. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2021-01-01 -Paragraph 36 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2021-en-r&anchor=para_36_d&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration