XML 53 R41.htm IDEA: XBRL DOCUMENT v3.23.2
RELATED PARTY TRANSACTIONS: (Details)
$ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Dec. 31, 2012
item
MW
Dec. 31, 2022
USD ($)
Dec. 31, 2014
item
RELATED PARTY TRANSACTIONS:          
Related parties receivable current: $ 21.4     $ 33.3  
Affiliates          
RELATED PARTY TRANSACTIONS:          
Related parties receivable current: 21.4     33.3  
Other accrued liabilities 129.7     120.2  
Total purchases 223.4 $ 237.5      
Total sales $ 1.3 0.9      
Affiliates | Equity investment in affiliate          
RELATED PARTY TRANSACTIONS:          
Ownership percentage 44.20%        
Affiliates | Apu Coropuna S.R.L.          
RELATED PARTY TRANSACTIONS:          
Ownership percentage 30.00%        
Affiliates | Minimum          
RELATED PARTY TRANSACTIONS:          
Aggregate consideration of Material Affiliate Transaction to be be authorized by the General Counsel and CFO $ 8.0        
Affiliates | Maximum          
RELATED PARTY TRANSACTIONS:          
Aggregate consideration of Material Affiliate Transaction to be be authorized by the General Counsel and CFO 10.0        
Grupo Mexico and affiliates | Affiliates          
RELATED PARTY TRANSACTIONS:          
Total purchases 1.8 1.4      
Total sales 45.6 99.4      
Asarco LLC ("Asarco") | Affiliates          
RELATED PARTY TRANSACTIONS:          
Related parties receivable current: 7.6     9.2  
Other accrued liabilities 29.0     23.8  
Total purchases 29.5 22.9      
Total sales 17.3 20.3      
AMMINCO Apoyo Administrativo, S.A. de C.V. ("AMMINCO") | Affiliates          
RELATED PARTY TRANSACTIONS:          
Other accrued liabilities 8.0     5.0  
Total purchases 5.0 4.5      
Compania Perforadora Mexico S.A.P.I. de C.V. | Affiliates          
RELATED PARTY TRANSACTIONS:          
Related parties receivable current:       0.3  
Eolica El Retiro, S.A.P.I. de C.V.          
RELATED PARTY TRANSACTIONS:          
Number of wind turbines | item         37
Eolica El Retiro, S.A.P.I. de C.V. | Affiliates          
RELATED PARTY TRANSACTIONS:          
Other accrued liabilities 1.2     0.4  
Total purchases $ 1.5 $ 2.1      
Percentage of supply to third-party energy users 18.50% 39.60%      
Ferrocarril Mexicano, S.A. de C.V. | Affiliates          
RELATED PARTY TRANSACTIONS:          
Other accrued liabilities $ 6.5     5.6  
Total purchases 28.9 $ 17.0      
Grupo Mexico Servicios | Affiliates          
RELATED PARTY TRANSACTIONS:          
Other accrued liabilities 16.8     20.2  
Total purchases 10.1 10.0      
Donations 2.0        
MGE | Mexico          
RELATED PARTY TRANSACTIONS:          
Number of natural gas-fired combined cycle power generating units | item     2    
MGE | Affiliates          
RELATED PARTY TRANSACTIONS:          
Related parties receivable current: 12.7     23.4  
Other accrued liabilities 46.7     57.5  
Total purchases 116.4 156.5      
Total sales $ 28.3 $ 79.1      
MGE | Affiliates | Mexico          
RELATED PARTY TRANSACTIONS:          
Net total capacity (in megawatts) | MW     516.2    
Percentage of supply to third-party energy users 4.00% 0.70%      
Mexico Compania Constructora S.A de C.V. | Affiliates          
RELATED PARTY TRANSACTIONS:          
Other accrued liabilities $ 18.8     5.9  
Mexico Proyectos y Desarrollos SA de CV and affiliates | Affiliates          
RELATED PARTY TRANSACTIONS:          
Total purchases 32.0 $ 23.7      
Grupo Mexico Servicios de Ingenieria, S.A. de C.V. | Affiliates          
RELATED PARTY TRANSACTIONS:          
Related parties receivable current: 0.3     0.2  
Other accrued liabilities 2.1     1.2  
Controladora de Infraestructura Energetica Mexico, S. A. de C. V. | Affiliates          
RELATED PARTY TRANSACTIONS:          
Total purchases   0.8      
Boutique Bowling de Mexico, S.A. de C.V. | Affiliates          
RELATED PARTY TRANSACTIONS:          
Related parties receivable current:       0.1  
Other accrued liabilities 0.2     0.3  
Total purchases 0.3 0.2      
Total sales 0.1        
Mexico Transportes Aereos S.A. de C.V. ("Mextransport") | Affiliates          
RELATED PARTY TRANSACTIONS:          
Related parties receivable current: 0.7        
Other accrued liabilities 0.3     0.1  
Total purchases 1.3 1.1      
Total sales 1.1 0.9      
Operadora de Cinemas S.A. de C.V. | Affiliates          
RELATED PARTY TRANSACTIONS:          
Related parties receivable current: 0.1     0.1  
Other accrued liabilities 0.1     0.2  
Total purchases 0.2 0.1      
Total sales 0.1        
Amminco Apoyo, Ferrocarril Mexicano and Operadora De Cinemas | Affiliates | Maximum          
RELATED PARTY TRANSACTIONS:          
Related party receivable and payable       $ 0.1  
Amminco Apoyo and Ferrocarril Mexicano | Affiliates | Maximum          
RELATED PARTY TRANSACTIONS:          
Threshold revenue from related parties $ 0.1        
Boutique Bowling and Operadora De Cinemas | Affiliates | Maximum          
RELATED PARTY TRANSACTIONS:          
Total sales   $ 0.1