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PROPERTY, PLANT AND EQUIPMENT - Schedule of Property, Plant and Equipment, Net (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment
Total property, plant and equipment	$ 2,689,000,000	$ 22,889,000,000
Accumulated depreciation, depletion and amortization	(34,000,000)	(16,537,000,000)
Total property, plant and equipment, net	2,655,000,000	6,352,000,000
Proved oil and natural gas properties
Property, Plant and Equipment
Total property, plant and equipment	2,416,000,000	21,285,000,000
Unproved oil and natural gas properties
Property, Plant and Equipment
Total property, plant and equipment	1,000,000	1,055,000,000
Accumulated valuation allowance for unproved properties	0	823,000,000
Facilities and other
Property, Plant and Equipment
Total property, plant and equipment	$ 272,000,000	$ 549,000,000

X

- Definition

Amount of accumulated depreciation, depletion, amortization and valuation allowance relating to oil and gas producing activities.

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- Definition

Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

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Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

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Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

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