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Other Operating Income and Expenses - Schedule of Other Operating Income and Expenses (Parenthetical) (Detail) - SEK (kr) kr in Billions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2019
Analysis of income and expense [abstract] |  |
Revaluation gains on ventures investments | kr 1.0 |
Costs related to resolution of SEC and DOJ resolution | kr 0.8 | kr 10.7

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- Definition Costs Related To Resolution Of SEC And DOJ Resolution. + References No definition available. + Details
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- References No definition available. + Details
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