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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Derivative Activities Recorded in the Statement of Consolidated Operations (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Derivative Instruments, Gain (Loss) [Line Items]      
Realized gain (loss), net $ (47) $ 25 $ (136)
Unrealized gain (loss), net (67) 69 (87)
Derivative instrument gains (losses), net (114) 94 (223)
Commodity derivative instruments      
Derivative Instruments, Gain (Loss) [Line Items]      
Realized gain (loss), net (34) 25 (135)
Unrealized gain (loss), net (36) (20) 11
Pipeline capacity embedded derivatives      
Derivative Instruments, Gain (Loss) [Line Items]      
Unrealized gain (loss), net 0 7 (61)
Foreign currency derivative instruments      
Derivative Instruments, Gain (Loss) [Line Items]      
Realized gain (loss), net (13) 0 (1)
Unrealized gain (loss), net 0 0 (1)
Preferred Units embedded derivative      
Derivative Instruments, Gain (Loss) [Line Items]      
Unrealized gain (loss), net $ (31) $ 82 $ (36)