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Loss Contingency, Common Stock Accumulated

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Loss Contingency, Potential Income Tax Expense (Benefit)

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- Definition

The percentage of litigation award claimed by third party.

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The percentage of economic interest owned.

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The percentage of award to the recovery value of property.

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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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The amount of cash received during the period as refunds for the overpayment of taxes.

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- Definition

Cash received for the settlement of litigation during the current period.

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Lawsuits, Claims, Commitments and Contingencies (Details) $ in Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2017	Dec. 31, 2016 USD ($)	Aug. 08, 2019 group	May 30, 2019 USD ($)
Lawsuits, commitments and contingencies
Accumulated Occidental common stock						$ 1,600
Number of separate federal consolidated groups \| group					2
Potential cash tax	$ 917
Federal
Lawsuits, commitments and contingencies
Potential cash tax	898
State
Lawsuits, commitments and contingencies
Tentative cash tax refund	2	$ 2
Potential cash tax	19
Anadarko
Lawsuits, commitments and contingencies
Tentative cash tax refund				$ 881
Potential accrued interest	$ 171
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%