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EQUITY METHOD INTERESTS - Sales and Costs Associated with Equity Method Interest (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]      
Lease operating expenses [1] $ 1,436 $ 1,444 $ 1,241
Total operating expenses 5,309 6,398 6,037
Kinetik      
Schedule of Equity Method Investments [Line Items]      
Total revenues 121 18  
Lease operating expenses 7 0  
Total operating expenses 195 93  
Natural gas and NGLs sales, gathering, processing, and transmission costs      
Schedule of Equity Method Investments [Line Items]      
Total revenues [1] 7,385 9,220 6,498
Costs [1] 334 367 264
Natural gas and NGLs sales, gathering, processing, and transmission costs | Kinetik      
Schedule of Equity Method Investments [Line Items]      
Total revenues 92 18  
Costs 108 93  
Purchased oil and gas costs      
Schedule of Equity Method Investments [Line Items]      
Total revenues [1] 894 1,855 1,487
Costs [1] 742 1,776 $ 1,580
Purchased oil and gas costs | Kinetik      
Schedule of Equity Method Investments [Line Items]      
Total revenues 29 0  
Costs $ 80 $ 0  
[1]
(1) For related party transactions associated with Kinetik, refer to Note 6—Equity Method Interest for further detail.