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Other Operating Income and Expenses - Schedule of Other Operating Income and Expenses (Parenthetical) (Detail) kr in Billions | 12 Months Ended
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Dec. 31, 2019 SEK (kr)
Analysis Of Income And Expense [Abstract] |
Costs related to resolution of SEC and DOJ investigations | kr 10.7

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- Definition Costs related to resolution of SEC and DOJ investigations. + References No definition available. + Details
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- References No definition available. + Details
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