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Joint Venture Agreement, Percentage Of Costs Incurred For Reimbursement

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Proceeds Received From Joint Venture

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Proceeds Received From Joint Venture, For Reimbursement Of Cost Incurred

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Number of shares of equity interests issued or issuable to acquire entity.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of gain (loss) on sale or disposal of proven and unproven oil and gas properties.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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The cash outflow to purchase of mineral interests in oil and gas properties for use in the normal oil and gas operations and not intended for resale.

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The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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ACQUISITIONS AND DIVESTITURES - 2021 Activity (Details) - USD ($) shares in Millions, $ in Millions		1 Months Ended	3 Months Ended				12 Months Ended
	Oct. 21, 2021	Dec. 31, 2019	Jun. 30, 2021	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Proceeds from asset divestitures							$ 256	$ 166	$ 718
Leasehold and property acquisitions amount							9	4	$ 40
Common Class C \| BCP \| Altus Midstream
Business Acquisition [Line Items]
Business acquisition, equity interest issued or issuable, number of shares	50
Permian Highway Pipeline LLC \| BCP
Business Acquisition [Line Items]
Noncontrolling interest, ownership percentage by parent	26.70%
Block 58 Offshore Suriname
Business Acquisition [Line Items]
Ownership percentage		50.00%			50.00%				50.00%
Proceeds received from joint venture					$ 100
Proceeds from joint venture agreement, for reimbursement of cost incurred				$ 79
Joint venture agreement, percentage of costs incurred for reimbursement		50.00%
Permian Region
Business Acquisition [Line Items]
Leasehold and property acquisitions amount							9	4	$ 40
Permian Region \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Business Acquisition [Line Items]
Net Property and Equipment			$ 157
Proceeds from asset divestitures			176					87	73
Asset retirement obligation assumed			44
Gain (loss) on sale of oil and gas properties			$ 63					$ 13	$ 33
Permian Region \| Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Other Non-Core Assets And Leasehold
Business Acquisition [Line Items]
Proceeds from asset divestitures							80
Gain (loss) on sale of oil and gas properties							$ 4
OKLAHOMA \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Business Acquisition [Line Items]
Net Property and Equipment						$ 206
Proceeds from asset divestitures						223
Gain (loss) on sale of oil and gas properties						$ 17