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INVESTMENT IN UNCONSOLIDATED SUBSIDIARY AND RELATED PARTY TRANSACTIONS - Narrative (Details)
MT in Millions, $ in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2024
USD ($)
Aug. 31, 2022
USD ($)
installment
MT
Mar. 31, 2024
USD ($)
Mar. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2023
USD ($)
Schedule of Equity Method Investments [Line Items]            
Contingent liability (related to Carbon TerraVault JV put and call rights) $ 253   $ 253     $ 201
Related Party            
Schedule of Equity Method Investments [Line Items]            
Contingent liability (related to Carbon TerraVault JV put and call rights) 99   99     52
Carbon TerraVault JV            
Schedule of Equity Method Investments [Line Items]            
Interest in joint venture   51.00%        
Carbon TerraVault JV | Related Party            
Schedule of Equity Method Investments [Line Items]            
Contingent liability (related to Carbon TerraVault JV put and call rights) 99   99     $ 52
Carbon TerraVault JV | Brookfield            
Schedule of Equity Method Investments [Line Items]            
Interest in joint venture   49.00%        
Committed amount   $ 500        
Initial investment   $ 137        
Number of installments | installment   3        
Number of installments subject to certain milestones | installment   2        
Contribution from noncontrolling interest $ 46       $ 46  
Metric tons of carbon per annum | MT   5        
Elk Hills            
Schedule of Equity Method Investments [Line Items]            
Reimbursement for abandonment work     $ 4 $ 1