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Other Operating Income and Expenses - Schedule of Other Operating Income and Expenses (Detail) - SEK (kr) kr in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Other operating income |  |  |
Gains on sales of intangible assets and PP&E | kr 13 | kr 64 | kr 115
Gains on sales of investments and operations | 1,199 | 347 | 1,119
Other operating income | 314 | 750 | 1,116
Total other operating income | 1,526 | 1,161 | 2,350
Other operating expenses |  |  |
Losses on sales of intangible assets and PP&E | (3) |  |
Losses on sales of investments and operations | (238) | (488) | (422)
Impairment of goodwill | (112) | 0 | 0
Other operating expenses | (811) | (11) | (11,638)
Total other operating expenses | kr (1,164) | kr (499) | kr (12,060)

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