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Properties and Equipment, Net (Tables)
 3 Months Ended
Mar. 31, 2023
Property, Plant and Equipment [Abstract]  
Schedule of Properties and Equipment, Net Properties and equipment, net are comprised of the following:
(In millions)March 31,
2023		December 31,
2022
Proved oil and gas properties$17,744 $17,085 
Unproved oil and gas properties 5,016 5,150 
Gathering and pipeline systems483 450 
Land, buildings and other equipment 186 183 
Finance lease right-of-use asset25 24 
23,454 22,892 
Accumulated depreciation, depletion and amortization(5,772)(5,413)
 $17,682 $17,479