SUPPLEMENTAL INFORMATION ON OIL AND NATURAL GAS OPERATIONS (Unaudited) - Capitalized Oil and Natural Gas Costs (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Oil and natural gas properties:
Proved properties	$ 24,418	$ 19,884
Unproved properties	8,496	7,493
Total oil and natural gas properties	32,914	27,377
Accumulated depletion	(5,434)	(4,237)
Accumulated impairment	(7,954)	(7,954)
Oil and natural gas properties, net	$ 19,526	$ 15,186

Capitalized costs of accumulated impairment for oil and natural gas properties

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The sum of capitalized costs relating to oil and gas producing activities before accounting for accumulated depreciation.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
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Net amount of capitalized costs relating to oil and gas producing activities.

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Capitalized costs of proved properties incurred for any combination mineral interests acquisitions; wells and related equipment; support equipment and facilities; and uncompleted wells and equipment and other costs not previously disclosed within this table.

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Capitalized costs of unproved properties incurred for any combination mineral interests acquisitions and other costs not previously disclosed within this table.

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Depletion of oil and gas property carried under the full cost method.

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