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Trade Payables - Summary of Trade Payables Invoices Included in the Supplier Payment Program (Detail) - Financial liabilities that are part of supplier finance arrangements [member]
kr in Millions
12 Months Ended
Dec. 31, 2024
SEK (kr)
Disclosure of financial liabilities that are part of supplier finance arrangements [line items]  
Opening balance kr 8,255
New invoices 24,984
Payments to bank 25,615
Translation difference 586
Closing balance kr 8,210