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LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES (Details) $ in Millions	1 Months Ended				3 Months Ended	5 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($) party	Dec. 31, 2021 USD ($)	Mar. 31, 2021 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2017	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Lawsuits, commitments and contingencies
Tentative cash tax refund							$ 3	$ 70
Alden Leeds
Lawsuits, commitments and contingencies
Number of parties, settled \| party		85
Environmental remediation costs, released		$ 150
Federal
Lawsuits, commitments and contingencies
Potential cash tax	$ 1,400				$ 1,400		1,400
State
Lawsuits, commitments and contingencies
Potential cash tax	28				28		28
Anadarko
Lawsuits, commitments and contingencies
Tentative cash tax refund										$ 881
Potential accrued interest	493				493		493
Arbitration filed by Andes Petroleum Ecuador Ltd
Lawsuits, commitments and contingencies
Proceeds from settlement										$ 1,000
Recovery of amount awarded in settlement amount (as a percent)										60.00%
Percentage of judgment amount claimed									40.00%
Own economic interest (as a percent)									60.00%
Amount awarded to other party in litigation			$ 558	$ 391
Litigation settlement interest	$ 166
Maxus Filed Bankruptcy
Lawsuits, commitments and contingencies
Amount awarded from other party in litigation							575
Gains related to legal settlements					$ 260		$ 260
Maxus Filed Bankruptcy \| Forecast
Lawsuits, commitments and contingencies
Proceeds from settlement						$ 350
Tronox Settlement
Lawsuits, commitments and contingencies
Payments for settlement											$ 5,200