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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Useful Lives) (Details)
12 Months Ended
Dec. 31, 2021
Aircraft  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 25 years
Aircraft engines | Minimum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 2 years
Aircraft engines | Maximum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 6 years
Offshore energy vessels  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 25 years
Railcars and locomotives | Minimum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 1 year
Railcars and locomotives | Maximum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 50 years
Track and track related assets | Minimum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 1 year
Track and track related assets | Maximum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 50 years
Bridges and Tunnels | Minimum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 15 years
Bridges and Tunnels | Maximum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 55 years
Buildings and site improvements | Minimum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 3 years
Buildings and site improvements | Maximum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 30 years
Railroad equipment | Minimum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 2 years
Railroad equipment | Maximum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 15 years
Crude oil terminal machinery and equipment | Minimum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 15 years
Crude oil terminal machinery and equipment | Maximum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 25 years
Vehicles | Minimum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 2 years
Vehicles | Maximum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 7 years
Furniture and fixtures | Minimum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 3 years
Furniture and fixtures | Maximum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 6 years
Computer hardware and software | Minimum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 2 years
Computer hardware and software | Maximum  
Property, Plant and Equipment [Line Items]  
Useful life, property plant and equipment 5 years