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Revenue from contracts with customers (Details) - Schedule of revenues from contracts with customers - PEN (S/)
S/ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Primary geographical markets      
Total Primary geographical markets S/ 4,405,124 S/ 4,141,398 S/ 3,185,553
Major products/ service lines      
Total Major products/ service lines 4,405,124 4,141,398 3,185,553
Timing of revenue recognition      
Total Timing of revenue recognition 4,405,124 4,141,398 3,185,553
Revenue from contracts with customers 4,405,124 4,141,398 3,185,553
Construction Activities [Member]      
Major products/ service lines      
Total Major products/ service lines 2,451,067 2,467,477 1,854,819
Engineering Services [Member]      
Major products/ service lines      
Total Major products/ service lines 204,327 251,424 175,909
Oil and Gas Extraction, Storage and Dispatching Service [Member]      
Major products/ service lines      
Total Major products/ service lines 145,874 192,103 149,095
Transportation Services [Member]      
Major products/ service lines      
Total Major products/ service lines 387,049 347,377 343,870
Road concession services [Member]      
Major products/ service lines      
Total Major products/ service lines 354,289 287,331 247,494
Water Treatment Service [Member]      
Major products/ service lines      
Total Major products/ service lines 4,412 3,650 3,359
Property Rental [Member]      
Major products/ service lines      
Total Major products/ service lines 6,037 9,665 8,893
Parent Company Services and Others [Member]      
Major products/ service lines      
Total Major products/ service lines 2,912 2,889 7,865
Sale of Real Estate and Lots [Member]      
Major products/ service lines      
Total Major products/ service lines 361,239 229,726 173,546
Sale of Oil and Gas [Member]      
Major products/ service lines      
Total Major products/ service lines 487,918 349,756 220,703
Transferred at a Point In Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition 1,003,980 784,139 560,102
Transferred Over Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition 3,401,144 3,357,259 2,625,451
Engineering and Construction [Member]      
Primary geographical markets      
Total Primary geographical markets     2,030,728
Major products/ service lines      
Total Major products/ service lines     2,030,728
Timing of revenue recognition      
Total Timing of revenue recognition     2,030,728
Revenue from contracts with customers     2,030,728
Engineering and Construction [Member] | Construction Activities [Member]      
Major products/ service lines      
Total Major products/ service lines     1,854,819
Engineering and Construction [Member] | Engineering Services [Member]      
Major products/ service lines      
Total Major products/ service lines     175,909
Engineering and Construction [Member] | Oil and Gas Extraction, Storage and Dispatching Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Transportation Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Road concession services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Water Treatment Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Property Rental [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Parent Company Services and Others [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Sale of Real Estate and Lots [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Sale of Oil and Gas [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Transferred at a Point In Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition    
Engineering and Construction [Member] | Transferred Over Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition     2,030,728
Engineering and Construction [Member]      
Primary geographical markets      
Total Primary geographical markets   2,718,901  
Major products/ service lines      
Total Major products/ service lines   2,718,901  
Timing of revenue recognition      
Total Timing of revenue recognition   2,718,901  
Revenue from contracts with customers   2,718,901  
Engineering and Construction [Member] | Construction Activities [Member]      
Major products/ service lines      
Total Major products/ service lines   2,467,477  
Engineering and Construction [Member] | Engineering Services [Member]      
Major products/ service lines      
Total Major products/ service lines   251,424  
Engineering and Construction [Member] | Oil and Gas Extraction, Storage and Dispatching Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Transportation Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Road concession services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Water Treatment Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Property Rental [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Parent Company Services and Others [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Sale of Real Estate and Lots [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Sale of Oil and Gas [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Transferred at a Point In Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition    
Engineering and Construction [Member] | Transferred Over Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition   2,718,901  
Engineering and Construction [Member]      
Primary geographical markets      
Total Primary geographical markets 2,655,394    
Major products/ service lines      
Total Major products/ service lines 2,655,394    
Timing of revenue recognition      
Total Timing of revenue recognition 2,655,394    
Revenue from contracts with customers 2,655,394    
Engineering and Construction [Member] | Construction Activities [Member]      
Major products/ service lines      
Total Major products/ service lines 2,451,067    
Engineering and Construction [Member] | Engineering Services [Member]      
Major products/ service lines      
Total Major products/ service lines 204,327    
Engineering and Construction [Member] | Oil and Gas Extraction, Storage and Dispatching Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Transportation Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Road concession services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Water Treatment Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Property Rental [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Parent Company Services and Others [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Sale of Real Estate and Lots [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Sale of Oil and Gas [Member]      
Major products/ service lines      
Total Major products/ service lines    
Engineering and Construction [Member] | Transferred at a Point In Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition    
Engineering and Construction [Member] | Transferred Over Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition 2,655,394    
Energy [Member]      
Primary geographical markets      
Total Primary geographical markets     369,798
Major products/ service lines      
Total Major products/ service lines     369,798
Timing of revenue recognition      
Total Timing of revenue recognition     369,798
Revenue from contracts with customers     369,798
Energy [Member] | Construction Activities [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Engineering Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Oil and Gas Extraction, Storage and Dispatching Service [Member]      
Major products/ service lines      
Total Major products/ service lines     149,095
Energy [Member] | Transportation Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Road concession services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Water Treatment Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Property Rental [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Parent Company Services and Others [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Sale of Real Estate and Lots [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Sale of Oil and Gas [Member]      
Major products/ service lines      
Total Major products/ service lines     220,703
Energy [Member] | Transferred at a Point In Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition     369,798
Energy [Member] | Transferred Over Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition    
Energy [Member]      
Primary geographical markets      
Total Primary geographical markets   541,859  
Major products/ service lines      
Total Major products/ service lines   541,859  
Timing of revenue recognition      
Total Timing of revenue recognition   541,859  
Revenue from contracts with customers   541,859  
Energy [Member] | Construction Activities [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Engineering Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Oil and Gas Extraction, Storage and Dispatching Service [Member]      
Major products/ service lines      
Total Major products/ service lines   192,103  
Energy [Member] | Transportation Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Road concession services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Water Treatment Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Property Rental [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Parent Company Services and Others [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Sale of Real Estate and Lots [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Sale of Oil and Gas [Member]      
Major products/ service lines      
Total Major products/ service lines   349,756  
Energy [Member] | Transferred at a Point In Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition   541,859  
Energy [Member] | Transferred Over Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition    
Energy [Member]      
Primary geographical markets      
Total Primary geographical markets 633,792    
Major products/ service lines      
Total Major products/ service lines 633,792    
Timing of revenue recognition      
Total Timing of revenue recognition 633,792    
Revenue from contracts with customers 633,792    
Energy [Member] | Construction Activities [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Engineering Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Oil and Gas Extraction, Storage and Dispatching Service [Member]      
Major products/ service lines      
Total Major products/ service lines 145,874    
Energy [Member] | Transportation Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Road concession services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Water Treatment Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Property Rental [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Parent Company Services and Others [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Sale of Real Estate and Lots [Member]      
Major products/ service lines      
Total Major products/ service lines    
Energy [Member] | Sale of Oil and Gas [Member]      
Major products/ service lines      
Total Major products/ service lines 487,918    
Energy [Member] | Transferred at a Point In Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition 633,792    
Energy [Member] | Transferred Over Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition    
Infrastructure [Member]      
Primary geographical markets      
Total Primary geographical markets     594,723
Major products/ service lines      
Total Major products/ service lines     594,723
Timing of revenue recognition      
Total Timing of revenue recognition     594,723
Revenue from contracts with customers     594,723
Infrastructure [Member] | Construction Activities [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Engineering Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Oil and Gas Extraction, Storage and Dispatching Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Transportation Services [Member]      
Major products/ service lines      
Total Major products/ service lines     343,870
Infrastructure [Member] | Road concession services [Member]      
Major products/ service lines      
Total Major products/ service lines     247,494
Infrastructure [Member] | Water Treatment Service [Member]      
Major products/ service lines      
Total Major products/ service lines     3,359
Infrastructure [Member] | Property Rental [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Parent Company Services and Others [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Sale of Real Estate and Lots [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Sale of Oil and Gas [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Transferred at a Point In Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition    
Infrastructure [Member] | Transferred Over Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition     594,723
Infrastructure [Member]      
Primary geographical markets      
Total Primary geographical markets   638,358  
Major products/ service lines      
Total Major products/ service lines   638,358  
Timing of revenue recognition      
Total Timing of revenue recognition   638,358  
Revenue from contracts with customers   638,358  
Infrastructure [Member] | Construction Activities [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Engineering Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Oil and Gas Extraction, Storage and Dispatching Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Transportation Services [Member]      
Major products/ service lines      
Total Major products/ service lines   347,377  
Infrastructure [Member] | Road concession services [Member]      
Major products/ service lines      
Total Major products/ service lines   287,331  
Infrastructure [Member] | Water Treatment Service [Member]      
Major products/ service lines      
Total Major products/ service lines   3,650  
Infrastructure [Member] | Property Rental [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Parent Company Services and Others [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Sale of Real Estate and Lots [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Sale of Oil and Gas [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Transferred at a Point In Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition    
Infrastructure [Member] | Transferred Over Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition   638,358  
Infrastructure [Member]      
Primary geographical markets      
Total Primary geographical markets 745,750    
Major products/ service lines      
Total Major products/ service lines 745,750    
Timing of revenue recognition      
Total Timing of revenue recognition 745,750    
Revenue from contracts with customers 745,750    
Infrastructure [Member] | Construction Activities [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Engineering Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Oil and Gas Extraction, Storage and Dispatching Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Transportation Services [Member]      
Major products/ service lines      
Total Major products/ service lines 387,049    
Infrastructure [Member] | Road concession services [Member]      
Major products/ service lines      
Total Major products/ service lines 354,289    
Infrastructure [Member] | Water Treatment Service [Member]      
Major products/ service lines      
Total Major products/ service lines 4,412    
Infrastructure [Member] | Property Rental [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Parent Company Services and Others [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Sale of Real Estate and Lots [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Sale of Oil and Gas [Member]      
Major products/ service lines      
Total Major products/ service lines    
Infrastructure [Member] | Transferred at a Point In Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition    
Infrastructure [Member] | Transferred Over Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition 745,750    
Real Estate [Member]      
Primary geographical markets      
Total Primary geographical markets     182,439
Major products/ service lines      
Total Major products/ service lines     182,439
Timing of revenue recognition      
Total Timing of revenue recognition     182,439
Revenue from contracts with customers     182,439
Real Estate [Member] | Construction Activities [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Engineering Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Oil and Gas Extraction, Storage and Dispatching Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Transportation Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Road concession services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Water Treatment Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Property Rental [Member]      
Major products/ service lines      
Total Major products/ service lines     8,893
Real Estate [Member] | Parent Company Services and Others [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Sale of Real Estate and Lots [Member]      
Major products/ service lines      
Total Major products/ service lines     173,546
Real Estate [Member] | Sale of Oil and Gas [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Transferred at a Point In Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition     182,439
Real Estate [Member] | Transferred Over Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition    
Real Estate [Member]      
Primary geographical markets      
Total Primary geographical markets   239,391  
Major products/ service lines      
Total Major products/ service lines   239,391  
Timing of revenue recognition      
Total Timing of revenue recognition   239,391  
Revenue from contracts with customers   239,391  
Real Estate [Member] | Construction Activities [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Engineering Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Oil and Gas Extraction, Storage and Dispatching Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Transportation Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Road concession services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Water Treatment Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Property Rental [Member]      
Major products/ service lines      
Total Major products/ service lines   9,665  
Real Estate [Member] | Parent Company Services and Others [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Sale of Real Estate and Lots [Member]      
Major products/ service lines      
Total Major products/ service lines   229,726  
Real Estate [Member] | Sale of Oil and Gas [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Transferred at a Point In Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition   239,391  
Real Estate [Member] | Transferred Over Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition    
Real Estate [Member]      
Primary geographical markets      
Total Primary geographical markets 367,276    
Major products/ service lines      
Total Major products/ service lines 367,276    
Timing of revenue recognition      
Total Timing of revenue recognition 367,276    
Revenue from contracts with customers 367,276    
Real Estate [Member] | Construction Activities [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Engineering Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Oil and Gas Extraction, Storage and Dispatching Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Transportation Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Road concession services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Water Treatment Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Property Rental [Member]      
Major products/ service lines      
Total Major products/ service lines 6,037    
Real Estate [Member] | Parent Company Services and Others [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Sale of Real Estate and Lots [Member]      
Major products/ service lines      
Total Major products/ service lines 361,239    
Real Estate [Member] | Sale of Oil and Gas [Member]      
Major products/ service lines      
Total Major products/ service lines    
Real Estate [Member] | Transferred at a Point In Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition 367,276    
Real Estate [Member] | Transferred Over Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition    
Parent Company Operations [Member]      
Primary geographical markets      
Total Primary geographical markets     7,865
Major products/ service lines      
Total Major products/ service lines     7,865
Timing of revenue recognition      
Total Timing of revenue recognition     7,865
Revenue from contracts with customers     7,865
Parent Company Operations [Member] | Construction Activities [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Engineering Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Oil and Gas Extraction, Storage and Dispatching Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Transportation Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Road concession services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Water Treatment Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Property Rental [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Parent Company Services and Others [Member]      
Major products/ service lines      
Total Major products/ service lines     7,865
Parent Company Operations [Member] | Sale of Real Estate and Lots [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Sale of Oil and Gas [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Transferred at a Point In Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition     7,865
Parent Company Operations [Member] | Transferred Over Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition    
Parent Company Operations [Member]      
Primary geographical markets      
Total Primary geographical markets   2,889  
Major products/ service lines      
Total Major products/ service lines   2,889  
Timing of revenue recognition      
Total Timing of revenue recognition   2,889  
Revenue from contracts with customers   2,889  
Parent Company Operations [Member] | Construction Activities [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Engineering Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Oil and Gas Extraction, Storage and Dispatching Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Transportation Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Road concession services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Water Treatment Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Property Rental [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Parent Company Services and Others [Member]      
Major products/ service lines      
Total Major products/ service lines   2,889  
Parent Company Operations [Member] | Sale of Real Estate and Lots [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Sale of Oil and Gas [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Transferred at a Point In Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition   2,889  
Parent Company Operations [Member] | Transferred Over Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition    
Parent Company Operations [Member]      
Primary geographical markets      
Total Primary geographical markets 2,912    
Major products/ service lines      
Total Major products/ service lines 2,912    
Timing of revenue recognition      
Total Timing of revenue recognition 2,912    
Revenue from contracts with customers 2,912    
Parent Company Operations [Member] | Construction Activities [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Engineering Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Oil and Gas Extraction, Storage and Dispatching Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Transportation Services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Road concession services [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Water Treatment Service [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Property Rental [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Parent Company Services and Others [Member]      
Major products/ service lines      
Total Major products/ service lines 2,912    
Parent Company Operations [Member] | Sale of Real Estate and Lots [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Sale of Oil and Gas [Member]      
Major products/ service lines      
Total Major products/ service lines    
Parent Company Operations [Member] | Transferred at a Point In Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition 2,912    
Parent Company Operations [Member] | Transferred Over Time [Member]      
Timing of revenue recognition      
Total Timing of revenue recognition    
Peru [Member]      
Primary geographical markets      
Total Primary geographical markets 3,544,465 3,284,673 2,510,414
Peru [Member] | Engineering and Construction [Member]      
Primary geographical markets      
Total Primary geographical markets     1,355,589
Peru [Member] | Engineering and Construction [Member]      
Primary geographical markets      
Total Primary geographical markets   1,862,176  
Peru [Member] | Engineering and Construction [Member]      
Primary geographical markets      
Total Primary geographical markets 1,794,735    
Peru [Member] | Energy [Member]      
Primary geographical markets      
Total Primary geographical markets     369,798
Peru [Member] | Energy [Member]      
Primary geographical markets      
Total Primary geographical markets   541,859  
Peru [Member] | Energy [Member]      
Primary geographical markets      
Total Primary geographical markets 633,792    
Peru [Member] | Infrastructure [Member]      
Primary geographical markets      
Total Primary geographical markets     594,723
Peru [Member] | Infrastructure [Member]      
Primary geographical markets      
Total Primary geographical markets   638,358  
Peru [Member] | Infrastructure [Member]      
Primary geographical markets      
Total Primary geographical markets 745,750    
Peru [Member] | Real Estate [Member]      
Primary geographical markets      
Total Primary geographical markets     182,439
Peru [Member] | Real Estate [Member]      
Primary geographical markets      
Total Primary geographical markets   239,391  
Peru [Member] | Real Estate [Member]      
Primary geographical markets      
Total Primary geographical markets 367,276    
Peru [Member] | Parent Company Operations [Member]      
Primary geographical markets      
Total Primary geographical markets     7,865
Peru [Member] | Parent Company Operations [Member]      
Primary geographical markets      
Total Primary geographical markets   2,889  
Peru [Member] | Parent Company Operations [Member]      
Primary geographical markets      
Total Primary geographical markets 2,912    
Chile [Member]      
Primary geographical markets      
Total Primary geographical markets 708,996 750,565 521,076
Chile [Member] | Engineering and Construction [Member]      
Primary geographical markets      
Total Primary geographical markets     521,076
Chile [Member] | Engineering and Construction [Member]      
Primary geographical markets      
Total Primary geographical markets   750,565  
Chile [Member] | Engineering and Construction [Member]      
Primary geographical markets      
Total Primary geographical markets 708,996    
Chile [Member] | Energy [Member]      
Primary geographical markets      
Total Primary geographical markets    
Chile [Member] | Energy [Member]      
Primary geographical markets      
Total Primary geographical markets    
Chile [Member] | Energy [Member]      
Primary geographical markets      
Total Primary geographical markets    
Chile [Member] | Infrastructure [Member]      
Primary geographical markets      
Total Primary geographical markets    
Chile [Member] | Infrastructure [Member]      
Primary geographical markets      
Total Primary geographical markets    
Chile [Member] | Infrastructure [Member]      
Primary geographical markets      
Total Primary geographical markets    
Chile [Member] | Real Estate [Member]      
Primary geographical markets      
Total Primary geographical markets    
Chile [Member] | Real Estate [Member]      
Primary geographical markets      
Total Primary geographical markets    
Chile [Member] | Real Estate [Member]      
Primary geographical markets      
Total Primary geographical markets    
Chile [Member] | Parent Company Operations [Member]      
Primary geographical markets      
Total Primary geographical markets    
Chile [Member] | Parent Company Operations [Member]      
Primary geographical markets      
Total Primary geographical markets    
Chile [Member] | Parent Company Operations [Member]      
Primary geographical markets      
Total Primary geographical markets    
Colombia [Member]      
Primary geographical markets      
Total Primary geographical markets 151,663 106,160 151,876
Colombia [Member] | Engineering and Construction [Member]      
Primary geographical markets      
Total Primary geographical markets     151,876
Colombia [Member] | Engineering and Construction [Member]      
Primary geographical markets      
Total Primary geographical markets   106,160  
Colombia [Member] | Engineering and Construction [Member]      
Primary geographical markets      
Total Primary geographical markets 151,663    
Colombia [Member] | Energy [Member]      
Primary geographical markets      
Total Primary geographical markets    
Colombia [Member] | Energy [Member]      
Primary geographical markets      
Total Primary geographical markets    
Colombia [Member] | Energy [Member]      
Primary geographical markets      
Total Primary geographical markets    
Colombia [Member] | Infrastructure [Member]      
Primary geographical markets      
Total Primary geographical markets    
Colombia [Member] | Infrastructure [Member]      
Primary geographical markets      
Total Primary geographical markets    
Colombia [Member] | Infrastructure [Member]      
Primary geographical markets      
Total Primary geographical markets    
Colombia [Member] | Real Estate [Member]      
Primary geographical markets      
Total Primary geographical markets    
Colombia [Member] | Real Estate [Member]      
Primary geographical markets      
Total Primary geographical markets    
Colombia [Member] | Real Estate [Member]      
Primary geographical markets      
Total Primary geographical markets    
Colombia [Member] | Parent Company Operations [Member]      
Primary geographical markets      
Total Primary geographical markets    
Colombia [Member] | Parent Company Operations [Member]      
Primary geographical markets      
Total Primary geographical markets    
Colombia [Member] | Parent Company Operations [Member]      
Primary geographical markets      
Total Primary geographical markets    
Mexico [Member]      
Primary geographical markets      
Total Primary geographical markets 2,187
Mexico [Member] | Engineering and Construction [Member]      
Primary geographical markets      
Total Primary geographical markets     2,187
Mexico [Member] | Engineering and Construction [Member]      
Primary geographical markets      
Total Primary geographical markets    
Mexico [Member] | Engineering and Construction [Member]      
Primary geographical markets      
Total Primary geographical markets    
Mexico [Member] | Energy [Member]      
Primary geographical markets      
Total Primary geographical markets    
Mexico [Member] | Energy [Member]      
Primary geographical markets      
Total Primary geographical markets    
Mexico [Member] | Energy [Member]      
Primary geographical markets      
Total Primary geographical markets    
Mexico [Member] | Infrastructure [Member]      
Primary geographical markets      
Total Primary geographical markets    
Mexico [Member] | Infrastructure [Member]      
Primary geographical markets      
Total Primary geographical markets    
Mexico [Member] | Infrastructure [Member]      
Primary geographical markets      
Total Primary geographical markets    
Mexico [Member] | Real Estate [Member]      
Primary geographical markets      
Total Primary geographical markets    
Mexico [Member] | Real Estate [Member]      
Primary geographical markets      
Total Primary geographical markets    
Mexico [Member] | Real Estate [Member]      
Primary geographical markets      
Total Primary geographical markets    
Mexico [Member] | Parent Company Operations [Member]      
Primary geographical markets      
Total Primary geographical markets    
Mexico [Member] | Parent Company Operations [Member]      
Primary geographical markets      
Total Primary geographical markets    
Mexico [Member] | Parent Company Operations [Member]      
Primary geographical markets      
Total Primary geographical markets