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Financial Risk Management - Summary of Reconciliation of Level 3 Fair Value Items Investment in Shares and Participations (Parenthetical) (Detail) - Investment in shares and participations kr in Millions | 12 Months Ended
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Dec. 31, 2021 SEK (kr)
Level 3 [member] |
Disclosure of fair value measurement of assets [line items] |
Gains (losses) recognised in profit or loss attributable to change in unrealised gains or losses for assets held at end of period, fair value measurement | kr 163
Gain or losses | 255
Level 1 [member] |
Disclosure of fair value measurement of assets [line items] |
Gain or losses | kr 529

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- Definition The gains (losses) recognised in profit or loss for assets measured at fair value that are attributable to the change in unrealised gains or losses relating to those assets held at the end of the reporting period. [Refer: At fair value [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2021-01-01 -Paragraph 93 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_f&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The gains (losses) excluding exchange differences, recognised in profit or loss, on the fair value measurement of assets. [Refer: At fair value [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 13 -IssueDate 2021-01-01 -Paragraph 93 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_e_i&doctype=Standard -URIDate 2021-03-24 + Details
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