Schedule of related party transactions (Details) - Joint Venture Polar Charge ABand Its Subsidiaries [member] - SEK (kr) kr in Thousands	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025
IfrsStatementLineItems [Line Items]
External costs invoiced to Polar Charge AB	kr 2,252	kr 53
Lease payments made to Polar Charge AB	kr 3,728	kr 3,416

The amount of leases where the entity was the lessee in related party transactions. [Refer: Total for all related parties [member]]

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Balance Type:	na
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