COMMITMENTS AND CONTINGENCIES (Details) $ in Millions							9 Months Ended	12 Months Ended
	Sep. 10, 2020 defendant	Sep. 11, 2019 USD ($) plaintiff	Dec. 20, 2017 action	Jul. 17, 2017 defendant action	Mar. 21, 2016 USD ($)	Mar. 20, 2016 USD ($)	Sep. 30, 2023 USD ($) letter_of_credit bond	Dec. 31, 2013 USD ($) profit_interest	Jul. 21, 2023 surety	Dec. 31, 2022 USD ($)	Apr. 05, 2022 letter	Dec. 31, 2017 AUD ($)	Apr. 30, 2017 AUD ($)	Mar. 12, 2014 USD ($)
Commitment And Contingencies [Line Items]
Accrued liability for legal contingencies							$ 49,000,000
Environmental tax and royalty obligations														$ 100,000,000
Retain right of obligations							45,000,000
Undiscounted reserve for environmental remediation							5,000,000
Decommissioning costs incurred							692,000,000
Decommissioning costs reimbursed amount from trust							288,000,000
Decommissioning costs reimbursed from letters of credit							87,000,000
Standby loan agreed to provide related to ARO (up to)							400,000,000
Current decommissioning contingency for sold Gulf of Mexico properties							695,000,000
Decommissioning contingency for sold Gulf of Mexico properties, total							470,000,000			$ 738,000,000
Current decommissioning contingency for sold Gulf of Mexico properties							225,000,000			450,000,000
Decommissioning security for sold properties							411,000,000
Trust account for disposal group, number of net profits interests							38,000,000			$ 217,000,000
Current decommissioning security for sold Gulf of Mexico assets							$ 373,000,000
Number of plaintiff, sureties issued bonds directly | surety									2
Number of plaintiff, sureties issued bonds to issuing bank | surety									2
Gulf Of Mexico Shelf Operations and Properties | Disposed of by Sale
Commitment And Contingencies [Line Items]
Proceeds from sale of operations and properties								$ 3,750,000,000
Trust account for disposal group, number of net profits interests | profit_interest								2
Number of bonds held | bond							2
Number of debt instruments held | letter_of_credit							5
Number of prior letters notifying unable to fund decommissioning obligations | letter											2
Minimum
Commitment And Contingencies [Line Items]
Asset retirement obligation, estimated liability							$ 695,000,000
Maximum
Commitment And Contingencies [Line Items]
Asset retirement obligation, estimated liability							895,000,000
Apollo Exploration Lawsuit
Commitment And Contingencies [Line Items]
Plaintiffs alleged damages					$ 200,000,000
Apollo Exploration Lawsuit | Minimum
Commitment And Contingencies [Line Items]
Plaintiffs alleged damages						$ 1,100,000,000
Australian Operations Divestiture Dispute | Apache Australia Operation
Commitment And Contingencies [Line Items]
Gain contingency, unrecorded amount													$ 80
Loss contingency, estimated of possible loss amount												$ 200
Canadian Operations Divestiture Dispute
Commitment And Contingencies [Line Items]
Plaintiffs alleged damages		$ 60,000,000
Number of plaintiffs | plaintiff		4
Litigation settlement, amount							$ 7,000,000
California Litigation
Commitment And Contingencies [Line Items]
Number of actions filed | action			2	3
Number of defendants | defendant				30
Delaware Litigation
Commitment And Contingencies [Line Items]
Number of defendants | defendant	25