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ASSET IMPAIRMENT (Tables)
12 Months Ended
Dec. 31, 2020
Fair Value Disclosures [Abstract]  
Schedule of Asset Impairments The following table presents a summary of our asset impairments as of our March 31, 2020 assessment date (in millions):
 Proved oil and natural gas properties$1,487 
 Unproved properties228 
 Other21 
Total$1,736