v3.25.4
Summary of significant accounting policies - Schedule of Property, Plant, and Equipment, Lessor Asset under Operating Lease (Details)
Dec. 31, 2025
Passenger aircraft  
Property, Plant and Equipment [Line Items]  
Useful Life 25 years
Residual Value 15.00%
Freighter aircraft  
Property, Plant and Equipment [Line Items]  
Useful Life 35 years
Residual Value 15.00%
Helicopters  
Property, Plant and Equipment [Line Items]  
Useful Life 30 years
Residual Value 20.00%
Engines  
Property, Plant and Equipment [Line Items]  
Useful Life 20 years
Residual Value 60.00%