Financial Risk Management - Summary of Outstanding Customer Finance Credit Exposure (Detail) - SEK (kr) kr in Millions	Dec. 31, 2023	Dec. 31, 2022
Disclosure Of Outstanding Customer Finance [Abstract]
Fair value of customer finance credits	kr 6,917	kr 5,370
Financial guarantees for third-parties	4	6
Accrued interest	7	8
Maximum exposure to credit risk	6,928	5,384
Less third-party risk coverage	(79)	(298)
The Company's risk exposure, less third-party risk coverage	kr 6,849	kr 5,086

The amount that best represents the maximum exposure to credit risk without taking into account any collateral held or other credit enhancements (for example, netting agreements that do not qualify for offset in accordance with IAS 32). [Refer: Credit risk [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 35K
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35K_a&doctype=Standard
-URIDate 2023-03-23

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant