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LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES (Details)
$ in Millions
1 Months Ended
Oct. 31, 2020
platform
Dec. 31, 2020
USD ($)
Long-term Purchase Commitment [Line Items]    
Number of offshore platforms with decommissioning obligations defaulted | platform 2  
Offshore platforms with decommissioning obligations defaulted percentage 35.00%  
Long Term Purchase and Contractual Obligation    
Purchase obligations    
2021   $ 42
2022   50
2023   35
2024   6
2025   6
Thereafter   47
Total   186
Less: Interest   (28)
Present value of purchase obligations   $ 158