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PROPERTY, PLANT AND EQUIPMENT - (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment $ 25,015,135 $ 23,820,539  
Accumulated depreciation and amortization (5,062,609) (4,500,665)  
Net property, plant and equipment 19,952,526 19,319,874  
Construction in Progress Expenditures Incurred but Not yet Paid 171,100 130,500 $ 151,700
Amortization expense for intangible assets 10,400 10,400 10,800
Natural Gas Liquids      
Property, Plant and Equipment [Line Items]      
Impairment charges     71,600
Natural Gas Liquids | Property Damage and Business Interruption- Total Receivable      
Property, Plant and Equipment [Line Items]      
Assets Disposed of by Method Other than Sale, in Period of Disposition, Gain (Loss) on Disposition (45,600)    
Natural Gas Gathering And Processing      
Property, Plant and Equipment [Line Items]      
Impairment charges     $ 362,300
Non-Regulated Property, Plant and Equipment [Member]      
Property, Plant and Equipment [Line Items]      
Accumulated depreciation and amortization (3,151,214) (2,814,045)  
Non-Regulated Property, Plant and Equipment [Member] | Gathering pipelines and related equipment      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment $ 4,671,063 4,371,936  
Non-Regulated Property, Plant and Equipment [Member] | Gathering pipelines and related equipment | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 5 years    
Non-Regulated Property, Plant and Equipment [Member] | Gathering pipelines and related equipment | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 40 years    
Non-Regulated Property, Plant and Equipment [Member] | Processing and fractionation and related equipment      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment $ 5,396,165 5,356,508  
Non-Regulated Property, Plant and Equipment [Member] | Processing and fractionation and related equipment | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 3 years    
Non-Regulated Property, Plant and Equipment [Member] | Processing and fractionation and related equipment | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 40 years    
Non-Regulated Property, Plant and Equipment [Member] | Storage and related equipment      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment $ 926,300 874,522  
Non-Regulated Property, Plant and Equipment [Member] | Storage and related equipment | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 3 years    
Non-Regulated Property, Plant and Equipment [Member] | Storage and related equipment | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 54 years    
Non-Regulated Property, Plant and Equipment [Member] | Transmission pipelines and related equipment      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment $ 756,805 726,191  
Non-Regulated Property, Plant and Equipment [Member] | Transmission pipelines and related equipment | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 5 years    
Non-Regulated Property, Plant and Equipment [Member] | Transmission pipelines and related equipment | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 87 years    
Non-Regulated Property, Plant and Equipment [Member] | General plant and other      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment $ 716,310 678,410  
Non-Regulated Property, Plant and Equipment [Member] | General plant and other | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 2 years    
Non-Regulated Property, Plant and Equipment [Member] | General plant and other | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 60 years    
Non-Regulated Property, Plant and Equipment [Member] | Construction work in process      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment $ 1,618,561 1,122,615  
Regulated Property Plant and Equipment [Member]      
Property, Plant and Equipment [Line Items]      
Accumulated depreciation and amortization $ (1,911,395) $ (1,686,620)  
Regulated Property Plant and Equipment [Member] | Natural Gas Liquids      
Property, Plant and Equipment [Line Items]      
Average Depreciation Rate 2.20% 2.20% 2.20%
Regulated Property Plant and Equipment [Member] | Natural Gas Pipelines      
Property, Plant and Equipment [Line Items]      
Average Depreciation Rate 2.30% 2.20% 2.20%
Regulated Property Plant and Equipment [Member] | Storage and related equipment      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment $ 9,659 $ 9,197  
Regulated Property Plant and Equipment [Member] | Storage and related equipment | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 5 years    
Regulated Property Plant and Equipment [Member] | Storage and related equipment | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 25 years    
Regulated Property Plant and Equipment [Member] | Natural gas transmission pipelines and related equipment      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment $ 2,028,995 1,970,631  
Regulated Property Plant and Equipment [Member] | Natural gas transmission pipelines and related equipment | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 5 years    
Regulated Property Plant and Equipment [Member] | Natural gas transmission pipelines and related equipment | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 77 years    
Regulated Property Plant and Equipment [Member] | NGL transmission pipelines and related equipment      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment $ 8,575,980 8,445,523  
Regulated Property Plant and Equipment [Member] | NGL transmission pipelines and related equipment | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 5 years    
Regulated Property Plant and Equipment [Member] | NGL transmission pipelines and related equipment | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 87 years    
Regulated Property Plant and Equipment [Member] | General plant and other      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment $ 94,641 90,157  
Regulated Property Plant and Equipment [Member] | General plant and other | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 2 years    
Regulated Property Plant and Equipment [Member] | General plant and other | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Useful Life 50 years    
Regulated Property Plant and Equipment [Member] | Construction work in process      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment $ 220,656 $ 174,849