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Interests in Other Entities (Tables)
 12 Months Ended
Dec. 31, 2022
Interest in Other Entities [Abstract]  
Schedule of corporation’s subsidiaries and related interest
In percentage  Percentage of common shares directly held by Parent Company
(%)		   Percentage of common shares directly held by Subsidiaries
(%)		   Percentage of common shares directly held by the Group
(%)		   Percentage of common shares directly held by non-controlling interest
(%)		 
Engineering and Construction:                
Cumbra Peru S.A.   99.39%   
-
    99.39%   0.61%
- Morelco S.A.S.   
-
    100.00%   100.00%   
-
 
- GyM Chile S.p.A.   
-
    100.00%   100.00%   
-
 
- Vial y Vives - DSD S.A.   
-
    99.16%   99.16%   0.84%
- Cumbra Inversiones Colombia S.A.S.   
-
    100.00%   100.00%   
-
 
Cumbra Ingenieria S.A.   89.41%   
-
    89.41%   10.59%
- Ecologia Tecnologia Ambiental S.A.C.   
-
    100.00%   100.00%   
-
 
- GM Ingenieria y Construccion de CV   
-
    100.00%   100.00%   
-
 
- GM Ingenieria Bolivia S.R.L.   
-
    98.57%   98.57%   1.43%
Energy:                    
Unna Energia S.A.   95.00%   
-
    95.00%   5.00%
- Oiltanking Andina Services S.A.   
-
    50.00%   50.00%   50.00%
- Transportadora de Gas Natural                    
Comprimido Andino S.A.C.   
-
    100.00%   100.00%   
-
 
Infrastructure:                    
Unna Transporte S.A.C.   100.00%   
-
    100.00%   
-
 
Tren Urbano de Lima S.A.   75.00%   
-
    75.00%   25.00%
Carretera Andina del Sur S.A.C   100.00%   
-
    100.00%   
-
 
Red Vial 5 S.A.   18.20%   48.80%   67.00%   33.00%
Carretera Sierra Piura S.A.C.   99.96%   0.04%   100.00%   
-
 
Concesionaria Via Expresa Sur S.A.   98.89%   1.11%   100.00%   
-
 
Real Estate:                    
Viva Negocio Inmobiliario S.A.C.   99.54%   -    99.54%   0.46%
Parent company operations:                    
Qualys S.A.   100.00%   
-
    100.00%   
-
 
Promotora Larcomar S.A.   46.55%   
-
    46.55%   53.45%
Negocios del Gas S.A.   99.99%   0.01%   100.00%   
-
 
Agenera S.A.   99.00%   1.00%   100.00%   
-
 
Inversiones en Autopistas S.A.   1.00%   99.00%   100.00%   
-
 
Cam Holding S.p.A.   100.00%   
-
    100.00%   
-
 

 

In percentage  Percentage of common shares directly held by Parent Company
(%)		   Percentage of common shares directly held by Subsidiaries
(%)		   Percentage of common shares directly held by the Group
(%)		   Percentage of common shares directly held by non-controlling interest
(%)		 
Engineering and Construction:                
Cumbra Peru S.A.   99.39%   -    99.39%   0.61%
- Morelco S.A.S.   -    100.00%   100.00%   - 
- GyM Chile S.p.A.   -    100.00%   100.00%   - 
- Vial y Vives - DSD S.A.   -    94.49%   94.49%   5.51%
- Cumbra Inversiones Colombia S.A.S.   -    100.00%   100.00%   - 
Cumbra Ingenieria S.A.   89.41%   -    89.41%   10.59%
- Ecologia Tecnologia Ambiental S.A.C.   -    100.00%   100.00%   - 
- GM Ingenieria y Construccion de CV   -    100.00%   100.00%   - 
- GM Ingenieria Bolivia S.R.L.   -    100.00%   100.00%   1.43%
Energy:                    
Unna Energia S.A.   95.00%   -    95.00%   5.00%
- Oiltanking Andina Services S.A.   -    50.00%   50.00%   50.00%
- Transportadora de Gas Natural                    
  Comprimido Andino S.A.C.   -    100.00%   100.00%   - 
Infrastructure:                    
Unna Transporte S.A.C.   100.00%   -    100.00%   - 
Tren Urbano de Lima S.A.   75.00%   -    75.00%   25.00%
Carretera Andina del Sur S.A.C   100.00%   -    100.00%   - 
Red Vial 5 S.A.   18.20%   48.80%   67.00%   33.00%
Carretera Sierra Piura S.A.C.   99.96%   0.04%   100.00%   - 
Concesionaria Via Expresa Sur S.A.   99.98%   0.02%   100.00%   - 
Real Estate:                    
Viva Negocio Inmobiliario S.A.C.   56.22%   43.32%   99.54%   0.46%
Parent company operations:                    
Qualys S.A.   100.00%   -    100.00%   - 
Promotora Larcomar S.A.   46.55%   -    46.55%   53.45%
Negocios del Gas S.A.   99.99%   0.01%   100.00%   - 
Agenera S.A.   99.00%   1.00%   100.00%   - 
Inversiones en Autopistas S.A.   1.00%   99.00%   100.00%   - 
Cam Holding S.p.A.   100.00%   -    100.00%   - 

 
Schedule of concessions held by the corporation
Name of Concessionaire   Description   Estimated investment   Consideration   Interest     Concession termination     Accounting model
Carretera Andina del Sur S.A.   This company operates and maintains a highway of 750 km from San Juan de Marcona Port to Urcos, Peru, which is connected to the Interoceanica highway. The highway has five tolls and three weigh stations.   US$ 99 million   Transaction secured by the Peruvian Government comprising annual payments for highway maintenance and operation, under responsibility of the Ministry of Transportation and Communications (MTC).     100.00 %     2032     Financial asset
                                 
Carretera Sierra Piura S.A.C.   This company regularly operates and maintains a highway of 78 km, which connects Buenos Aires and Canchaque towns in Peru. The highway has one toll.   US$ 31 million   Transaction secured by the Peruvian Government regardless traffic volume. Revenue is secured by an estimated annual amount of US$ 1.4 million.     100.00 %     2025     Financial asset
                                 
Concesionaria La Chira S.A.   Design, financing, construction, operation, and maintenance of “Planta de Tratamiento de Aguas Residuales y Emisario Submarino La Chira” project. About 25% of sewage of Lima is treated under this project.   S/ 450 million   Transaction secured by the Peruvian Government consisting of monthly and quarterly payments settled by Sedapal´s collection trust.     50.00 %     2036     Financial asset
                                 
Tren Urbano de Lima S.A.   Concession to operate the Electric Mass Transportation System of Lima and Callao, Line 1 Villa El Salvador - Avenida Grau - San Juan de Lurigancho, the only railway system in Lima Metropolitana, including (i) operation and maintenance of existing trains (24 trains as initial investment and 20 additional trains) and (ii) operation and maintenance of the railway system (railway and infrastructure).   S/ 566 million   Transaction secured by the Peruvian Government through a quarterly payment made by the MTC based on kilometers per train.     75.00 %     2041     Financial asset
                                 
Red Vial 5 S.A.   Operation and maintenance of the highway connecting Lima to the northwest of Peru. This highway, known as Red Vial, is 183 km long from Ancon to Pativilca and has three tolls.   US$ 187 million   Collected from users (self-funded concession; revenue comes from toll collection).     67.00 %     2028     Intangible
                                 
Concesionaria Via Expresa Sur S.A.   Concession to design, finance, construction, operation, and maintenance of the infrastructure associated with the Via Expresa Sur project. This project comprises the second stage expansion of Via Expresa – Paseo de la Republica, between Av. Republica de Panama and and Panamericana highway.   -   By virtue of this agreement, the users had to pay the respective tolls and the Peruvian Government guaranteed to pay the amount to cover the deficit resulting from collection to users and the annual limits established in such an agreement. On December 16, 2022, the Municipality of Lima and Concesionaria Via Expresa Sur declared the expiration of the Concession Agreement.     100.00 %     2053    

Financial

asset

 
Schedule of corporation’s major joint operations
   Percentage of interest   
Joint operations  2020   2021   2022   
AENZA S.A.A.              
 - Concesionaria La Chira S.A.   50%   50%   50 % 
Cumbra Peru S.A.                 
- Consorcio Huacho Pativilca   67%   67%   67 % 
- Consorcio GyM – CONCIVILES   67%   67%   67 % 
- Consorcio Chicama - Ascope   50%   50%   50 % 
- Consorcio Constructor Alto Cayma   50%   50%   50 % 
- Consorcio Ermitaño   50%   50%   50 % 
- Consorcio GyM-Stracon   50%   50%   50 % 
- Consorcio HV GyM   50%   50%   50 % 
- Consorcio La Chira   50%   50%   50 % 
- Consorcio Lima Actividades Comerciales Sur   50%   50%   50 % 
- Consorcio Lima Actividades Sur   50%   50%   50 % 
- Consorcio Rio Urubamba   50%   50%   50 % 
- Consorcio Alto Cayma   49%   49%   49 % 
- Consorcio La Gloria   49%   49%   49 % 
- Consorcio Norte Pachacutec   49%   49%   49 % 
- Consorcio Italo Peruano   48%   48%   48 % 
- Consorcio Vial Quinua   46%   46%   46 % 
- Consorcio Constructor Ductos del Sur   29%   29%   29 % 
- Consorcio Constructor Chavimochic   27%   27%   27 % 
- Consorcio Inti Punku   49%   49%   49 % 
- Consorcio Pasco   1%   1%   1 % 
Unna Energia S.A.                 
- Consorcio Terminales   50%   50%   50 % 
- Terminales del Peru   50%   50%   50 % 
Unna Transporte S.A.C.                 
- Consorcio Ancon-Pativilca   67%   
-
    
-
   
- Consorcio Peruano de Conservacion   50%   50%   50 % 
- Consorcio Manperan   67%   67%   67 % 
- Consorcio Vial Sierra   50%   50%   50 % 
- Consorcio Vial Ayahuaylas   99%   99%   99 % 
- Consorcio Vial ICAPAL   10%   
-
      - 
- Consorcio Vial Sullana   99%   99%   99 % 
- Consorcio Vial del Sur   99%   99%   99 % 
- Consorcio Obras Viales   99%   99%   
-
   
Cumbra Ingenieria S.A.                 
- Consorcio Vial la Concordia   88%   88%   88 % 
- Consorcio GMI- Haskoningdhv   70%   70%   70 % 
- Consorcio Supervisor Ilo   55%   55%   55 % 
- Consorcio Poyry-GMI   40%   40%   40 % 
- Consorcio Internacional Supervision Valle Sagrado   33%   33%   33 % 
- Consorcio Ecotec - GMI - PIM   30%   30%   30 % 
- Consorcio Ribereno Chinchaycamac   40%   40%   40 % 
- Consorcio Supervisor GRH   64%   83%   83 % 
- Consorcio Ecotec - GMI   20%   20%   20 %