Annual report pursuant to Section 13 and 15(d)

TRANSPORTATION AND DISTRIBUTION REVENUE - Schedules of Concentration of Risk (Details)

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TRANSPORTATION AND DISTRIBUTION REVENUE - Schedules of Concentration of Risk (Details) - Product and services - Revenue
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Crude oil transportation revenue      
Concentration Risk [Line Items]      
Percentage of revenues 81.50% 0.00% 0.00%
Natural gas transportation contracts      
Concentration Risk [Line Items]      
Percentage of revenues 13.10% 64.30% 67.80%
Natural gas distribution contracts      
Concentration Risk [Line Items]      
Percentage of revenues 4.10% 23.90% 25.50%
Other      
Concentration Risk [Line Items]      
Percentage of revenues 1.30% 11.80% 6.70%