Accrued expenses and prepaid revenues (Details) - SEK (kr) kr in Millions	Dec. 31, 2025	Dec. 31, 2024
Accrued expenses and prepaid revenues [Abstract]
Interest expenses accrued	kr 8,480	kr 8,720
Other accrued expenses and prepaid revenue	101	78
Total	kr 8,581	kr 8,798

The amount of accruals and deferred income, including contract liabilities. [Refer: Accruals; Deferred income including contract liabilities]

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