PROPERTY AND EQUIPMENT (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Oil and natural gas properties:
Subject to depletion	$ 16,575,000,000	$ 12,629,000,000
Not subject to depletion	9,207,000,000	9,670,000,000
Gross oil and natural gas properties	25,782,000,000	22,299,000,000
Accumulated depletion and depreciation	(5,003,000,000)	(2,774,000,000)
Accumulated impairment	(1,934,000,000)	(1,144,000,000)
Oil and natural gas properties, net	20,853,000,000	19,556,000,000
Midstream assets	931,000,000	700,000,000
Other property, equipment and land	125,000,000	147,000,000
Property and equipment, net of accumulated depreciation, depletion, amortization and impairment	21,835,000,000	20,372,000,000
Capitalized internal costs	$ 49,000,000	29,000,000	$ 22,000,000
Estimated future net revenue discounted rate per annum	10.00%
Impairment of oil and natural gas properties	$ 790,000,000	0	0
Exploration costs or development costs not subject to depletion	228,000,000	68,000,000
Capitalized interest not subject to depletion	$ 118,000,000	55,000,000
Minimum
Oil and natural gas properties:
Timing of inclusion of costs in amortization calculation	3 years
Maximum
Oil and natural gas properties:
Timing of inclusion of costs in amortization calculation	5 years
Oil and Gas Properties
Oil and natural gas properties:
Subject to depletion	$ 16,575,000,000	12,629,000,000
Not subject to depletion	9,207,000,000	9,670,000,000
Gross oil and natural gas properties	25,782,000,000	22,299,000,000
Accumulated depletion and depreciation	(2,995,000,000)	(1,599,000,000)
Accumulated impairment	(1,934,000,000)	(1,144,000,000)
Oil and natural gas properties, net	20,853,000,000	19,556,000,000
Balance of costs not subject to depletion	604,000,000	5,654,000,000	$ 2,329,000,000	$ 620,000,000
Other Property and Equipment, Net
Oil and natural gas properties:
Accumulated depletion and depreciation	(74,000,000)	(31,000,000)
Other property, equipment and land	$ 125,000,000	$ 147,000,000