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INVESTMENT IN UNCONSOLIDATED SUBSIDIARIES AND RELATED PARTY TRANSACTIONS- Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Aug. 30, 2022
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Jul. 01, 2024
Dec. 31, 2023
Aug. 31, 2022
Schedule of Equity Method Investments [Line Items]                
Equity method investment, difference between carrying amount and underlying equity           $ 48    
Investment in unconsolidated subsidiary   $ 84   $ 84     $ 19  
Contingent liability (related to Carbon TerraVault JV put and call rights)   337   337     199  
Carbon TerraVault JV                
Schedule of Equity Method Investments [Line Items]                
Interest in joint venture               51.00%
Investment in unconsolidated subsidiary   29   29     19  
Carbon TerraVault JV | Related Party                
Schedule of Equity Method Investments [Line Items]                
Contingent liability (related to Carbon TerraVault JV put and call rights)   104   104     $ 52  
Carbon TerraVault JV | Brookfield                
Schedule of Equity Method Investments [Line Items]                
Interest in joint venture               49.00%
Committed amount               $ 500
Initial investment $ 137              
Contribution from noncontrolling interest   92   92        
Elk Hills                
Schedule of Equity Method Investments [Line Items]                
Reimbursement for abandonment work   4 $ 2 13 $ 4      
Midway Sunset Cogeneration Company                
Schedule of Equity Method Investments [Line Items]                
Interest in joint venture           50.00%    
Equity method investments, fair value           $ 59    
Investment in unconsolidated subsidiary   $ 55   $ 55        
Midway Sunset Cogeneration Company | San Joaquin Energy Company                
Schedule of Equity Method Investments [Line Items]                
Interest in joint venture           50.00%