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Corporate Information - Additional Information (Detail)
 1 Months Ended 12 Months Ended
May 31, 2016
Dec. 31, 2017
Destinations
Country
Aircraft
County
Flights
Jul. 01, 2015
Destinations
Country
Airlines
Parent company information [line items]      
Commercial alliance with United Airlines - Renewal extension period 5 years    
Number of aircraft | Aircraft   100  
Aircraft average useful life   8 years  
Wingo (the new low-cost business model of Copa Colombia) [member]      
Parent company information [line items]      
Number of destinations   14  
Wingo (the new low-cost business model of Copa Colombia) [member] | Domestic [member]      
Parent company information [line items]      
Number of countries | County   6  
Wingo (the new low-cost business model of Copa Colombia) [member] | International [member]      
Parent company information [line items]      
Number of countries | County   8  
Wingo (the new low-cost business model of Copa Colombia) [member] | South, Central America and Caribbean [member]      
Parent company information [line items]      
Number of countries | County   8  
Compania Panamena de Aviacion, S. A. - Copa Airlines [member]      
Parent company information [line items]      
Number of countries | Country   31  
Number of daily scheduled flights | Flights   347  
Compania Panamena de Aviacion, S. A. - Copa Airlines [member] | International [member] | Codeshare agreements [member]      
Parent company information [line items]      
Number of destinations   200  
Compania Panamena de Aviacion, S. A. - Copa Airlines [member] | North, Central and South America and the Caribbean [Member]      
Parent company information [line items]      
Number of destinations   75  
ConnectMiles [member] | Star Alliance Airlines [member]      
Parent company information [line items]      
Number of destinations     1,300
Number of countries | Country     190
ConnectMiles [member] | Star Alliance Airlines [member] | Bottom of range [member]      
Parent company information [line items]      
Number of airlines | Airlines     28