$OXY
Occidental Petroleum Corp Stock $oxy

$oxy Overview Financials Valuation SEC Filings Company Website

2020 Q3 Form 10-Q Financial Statement

#000079746820000033 Filed on November 09, 2020

Income Statement

Concept	2020 Q3	2019 Q4	2019 Q3
Revenue	$4.108B	$6.670B	$5.859B
YoY Change	-29.89%	45.95%	37.63%
Cost Of Revenue	$618.0M	$2.483B	$741.0M
YoY Change	-16.6%	27.07%	2.63%
Gross Profit	$3.490B	$4.187B	$5.118B
YoY Change	-31.81%	60.05%	44.78%
Gross Profit Margin	84.96%	62.77%	87.35%
Selling, General & Admin	$166.0M	$707.0M	$245.0M
YoY Change	-32.24%	22.11%	-54.71%
% of Gross Profit	4.76%	16.89%	4.79%
Research & Development	$29.00M	$113.0M	$63.00M
YoY Change	-53.97%	126.0%	162.5%
% of Gross Profit	0.83%	2.7%	1.23%
Depreciation & Amortization	$1.915B	$2.271B	$1.767B
YoY Change	8.38%	109.12%	72.73%
% of Gross Profit	54.87%	54.24%	34.53%
Operating Expenses	$166.0M	$3.750B	$245.0M
YoY Change	-32.24%	118.66%	-84.57%
Operating Profit	$3.324B	$437.0M	$4.873B
YoY Change	-31.79%	-51.5%	150.28%
Interest Expense	-$988.0M	$403.0M	-$182.0M
YoY Change	442.86%	203.01%	-121.04%
% of Operating Profit	-29.72%	92.22%	-3.73%
Other Income/Expense, Net	$211.0M		$71.00M
YoY Change	197.18%		-18.39%
Pretax Income	-$4.058B	-$869.0M	-$574.0M
YoY Change	606.97%	-219.2%	-122.26%
Income Tax	-$403.0M	$167.0M	$163.0M
% Of Pretax Income
Net Earnings	-$3.575B	-$1.139B	-$912.0M
YoY Change	292.0%	-261.33%	-148.8%
Net Earnings / Revenue	-87.03%	-17.08%	-15.57%
Basic Earnings Per Share	-$4.07		-$1.08
Diluted Earnings Per Share	-$4.07	-$1.273M	-$1.08
COMMON SHARES
Basic Shares Outstanding	929.3M shares		845.7M shares
Diluted Shares Outstanding	929.3M shares		845.7M shares

Balance Sheet

Concept	2020 Q3	2019 Q4	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.896B	$3.032B	$4.840B
YoY Change	-60.83%	-0.03%	63.85%
Cash & Equivalents	$1.896B	$3.032B	$4.840B
Short-Term Investments
Other Short-Term Assets	$1.445B	$1.432B	$6.445B
YoY Change	-77.58%	91.96%	460.92%
Inventory	$1.660B	$1.581B	$1.601B
Prepaid Expenses
Receivables	$2.100B	$4.200B	$5.900B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$10.69B	$14.63B	$20.94B
YoY Change	-48.94%	47.33%	88.48%
LONG-TERM ASSETS
Property, Plant & Equipment	$68.42B	$82.23B	$90.12B
YoY Change	-24.08%	161.57%	189.27%
Goodwill
YoY Change
Intangibles			$2.387B
YoY Change
Long-Term Investments	$3.125B	$6.389B	$3.684B
YoY Change	-15.17%	280.3%	134.95%
Other Assets	$14.00M		$25.00M
YoY Change	-44.0%		525.0%
Total Long-Term Assets	$73.74B	$92.56B	$104.5B
YoY Change	-29.43%	187.2%	208.76%
TOTAL ASSETS
Total Short-Term Assets	$10.69B	$14.63B	$20.94B
Total Long-Term Assets	$73.74B	$92.56B	$104.5B
Total Assets	$84.43B	$107.2B	$125.4B
YoY Change	-32.69%	154.25%	179.03%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.682B	$4.910B	$6.789B
YoY Change	-60.49%	0.51%	24.73%
Accrued Expenses	$3.470B	$5.447B	$5.175B
YoY Change	-32.95%	125.92%	83.97%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$2.558B	$51.00M	$31.00M
YoY Change	8151.61%	-56.03%	-73.28%
Total Short-Term Liabilities	$10.50B	$12.71B	$15.70B
YoY Change	-33.11%	71.41%	87.49%
LONG-TERM LIABILITIES
Long-Term Debt	$35.90B	$38.54B	$47.58B
YoY Change	-24.55%	277.78%	366.59%
Other Long-Term Liabilities	$3.043B	$3.858B	$3.566B
YoY Change	-14.67%	282.36%	289.73%
Total Long-Term Liabilities	$38.94B	$42.40B	$51.15B
YoY Change	-23.87%	278.19%	360.26%
TOTAL LIABILITIES
Total Short-Term Liabilities	$10.50B	$12.71B	$15.70B
Total Long-Term Liabilities	$38.94B	$42.40B	$51.15B
Total Liabilities	$49.44B	$55.10B	$66.85B
YoY Change	-26.04%	195.89%	243.06%
SHAREHOLDERS EQUITY
Retained Earnings	$4.317B	$20.18B	$22.23B
YoY Change	-80.58%	-15.03%	-5.96%
Common Stock	$216.0M	$15.16B	$15.08B
YoY Change	-98.57%	84.36%	84.53%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$10.66B	$10.65B	$10.65B
YoY Change	0.04%	1.72%	4.83%
Treasury Stock Shares	148.6M shares	150.3M shares	150.3M shares
Shareholders Equity	$19.86B	$34.23B	$36.08B
YoY Change
Total Liabilities & Shareholders Equity	$84.43B	$107.2B	$125.4B
YoY Change	-32.69%	144.42%	179.03%

Cashflow Statement

Concept	2020 Q3	2019 Q4	2019 Q3
OPERATING ACTIVITIES
Net Income	-$3.575B	-$1.139B	-$912.0M
YoY Change	292.0%	-261.33%	-148.8%
Depreciation, Depletion And Amortization	$1.915B	$2.271B	$1.767B
YoY Change	8.38%	109.12%	72.73%
Cash From Operating Activities	$852.0M	$2.009B	$2.405B
YoY Change	-64.57%	-19.64%	0.04%
INVESTING ACTIVITIES
Capital Expenditures	-$246.0M	-$2.171B	-$1.714B
YoY Change	-85.65%	62.38%	29.95%
Acquisitions
YoY Change
Other Investing Activities	-$46.00M	$870.0M	-$23.31B
YoY Change	-99.8%	-614.79%	-1323.57%
Cash From Investing Activities	-$292.0M	-$1.301B	-$25.02B
YoY Change	-98.83%	-13.61%	-4370.14%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	301.0M	-2.499B	26.23B
YoY Change	-98.85%	173.11%	-1976.39%
NET CHANGE
Cash From Operating Activities	852.0M	2.009B	2.405B
Cash From Investing Activities	-292.0M	-1.301B	-25.02B
Cash From Financing Activities	301.0M	-2.499B	26.23B
Net Change In Cash	861.0M	-1.791B	3.614B
YoY Change	-76.18%	-2367.09%	127.01%
FREE CASH FLOW
Cash From Operating Activities	$852.0M	$2.009B	$2.405B
Capital Expenditures	-$246.0M	-$2.171B	-$1.714B
Free Cash Flow	$1.098B	$4.180B	$4.119B
YoY Change	-73.34%	8.94%	10.64%

Facts In Submission

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	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
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	dei	Entity File Number EntityFileNumber	1-9210
	dei	Entity Registrant Name EntityRegistrantName	OCCIDENTAL PETROLEUM CORPORATION
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	95-4035997
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	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
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	dei	City Area Code CityAreaCode	713
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CY2020Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1915000000	USD
CY2019Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1767000000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6343000000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3771000000	USD
CY2020Q3	oxy	Pretax Asset Impairment And Related Items PretaxAssetImpairmentAndRelatedItems	2723000000	USD
CY2019Q3	oxy	Pretax Asset Impairment And Related Items PretaxAssetImpairmentAndRelatedItems	325000000	USD
	oxy	Pretax Asset Impairment And Related Items PretaxAssetImpairmentAndRelatedItems	10996000000	USD
	oxy	Pretax Asset Impairment And Related Items PretaxAssetImpairmentAndRelatedItems	325000000	USD
CY2020Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	5000000	USD
CY2019Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	924000000	USD
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	302000000	USD
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	974000000	USD
CY2020Q3	us-gaap	Exploration Expense ExplorationExpense	29000000	USD
CY2019Q3	us-gaap	Exploration Expense ExplorationExpense	63000000	USD
	us-gaap	Exploration Expense ExplorationExpense	99000000	USD
	us-gaap	Exploration Expense ExplorationExpense	134000000	USD
CY2020Q3	us-gaap	Interest And Debt Expense InterestAndDebtExpense	353000000	USD
CY2019Q3	us-gaap	Interest And Debt Expense InterestAndDebtExpense	381000000	USD
	us-gaap	Interest And Debt Expense InterestAndDebtExpense	1015000000	USD
	us-gaap	Interest And Debt Expense InterestAndDebtExpense	632000000	USD
CY2020Q3	oxy	Costs And Other Deductions CostsAndOtherDeductions	7552000000	USD
CY2019Q3	oxy	Costs And Other Deductions CostsAndOtherDeductions	6688000000	USD
	oxy	Costs And Other Deductions CostsAndOtherDeductions	26803000000	USD
	oxy	Costs And Other Deductions CostsAndOtherDeductions	13626000000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-4269000000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-645000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-13890000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	982000000	USD
CY2020Q3	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	88000000	USD
CY2019Q3	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-33000000	USD
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-573000000	USD
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-33000000	USD
CY2020Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	123000000	USD
CY2019Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	104000000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	183000000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	274000000	USD
CY2020Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	211000000	USD
CY2019Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	71000000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-390000000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	241000000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-4058000000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-574000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-14280000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1223000000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-403000000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	163000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1896000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	694000000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-3655000000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-737000000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-12384000000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	529000000	USD
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	80000000	USD
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-15000000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-1335000000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-15000000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	-3575000000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	-752000000	USD
	us-gaap	Profit Loss ProfitLoss	-13719000000	USD
	us-gaap	Profit Loss ProfitLoss	514000000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	42000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	42000000	USD
CY2020Q3	us-gaap	Redeemable Preferred Stock Dividends RedeemablePreferredStockDividends	203000000	USD
CY2019Q3	us-gaap	Redeemable Preferred Stock Dividends RedeemablePreferredStockDividends	118000000	USD
	us-gaap	Redeemable Preferred Stock Dividends RedeemablePreferredStockDividends	644000000	USD
	us-gaap	Redeemable Preferred Stock Dividends RedeemablePreferredStockDividends	118000000	USD
CY2020Q3	oxy	Net Income Loss Attributable To Common Stockholders NetIncomeLossAttributableToCommonStockholders	-3778000000	USD
CY2019Q3	oxy	Net Income Loss Attributable To Common Stockholders NetIncomeLossAttributableToCommonStockholders	-912000000	USD
	oxy	Net Income Loss Attributable To Common Stockholders NetIncomeLossAttributableToCommonStockholders	-14363000000	USD
	oxy	Net Income Loss Attributable To Common Stockholders NetIncomeLossAttributableToCommonStockholders	354000000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-4.16
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-1.06
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-14.26
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.47
CY2020Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.09
CY2019Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	-0.02
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	-1.46
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	-0.02
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-4.07
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.08
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-15.72
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.45
CY2020Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-4.16
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-1.06
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-14.26
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.47
CY2020Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.09
CY2019Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	-0.02
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	-1.46
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	-0.02
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-4.07
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.08
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-15.72
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.45
CY2020Q3	us-gaap	Profit Loss ProfitLoss	-3575000000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	-752000000	USD
	us-gaap	Profit Loss ProfitLoss	-13719000000	USD
	us-gaap	Profit Loss ProfitLoss	514000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-1000000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-1000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-114000000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-3000000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-130000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	28000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-34000000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-63000000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-30000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-2000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-5000000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	29000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-148000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-62000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-160000000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-3546000000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-900000000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-13781000000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	354000000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	42000000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	0	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	42000000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-3546000000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-942000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-13781000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	312000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	32000000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	1000000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	36000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-8000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	10000000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	18000000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	8000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	-1000000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	0	USD
	us-gaap	Profit Loss ProfitLoss	-13719000000	USD
	us-gaap	Profit Loss ProfitLoss	514000000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-1335000000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-15000000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6343000000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3771000000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2117000000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1050000000	USD
	oxy	Non Cash Portion Of Asset Impairment And Related Items NonCashPortionOfAssetImpairmentAndRelatedItems	10915000000	USD
	oxy	Non Cash Portion Of Asset Impairment And Related Items NonCashPortionOfAssetImpairmentAndRelatedItems	325000000	USD
	oxy	Gain On Sale Of Equity Investments And Other Assets GainOnSaleOfEquityInvestmentsAndOtherAssets	-824000000	USD
	oxy	Gain On Sale Of Equity Investments And Other Assets GainOnSaleOfEquityInvestmentsAndOtherAssets	150000000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-134000000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-568000000	USD
	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	1240000000	USD
	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	-1480000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	2475000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	5473000000	USD
	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	76000000	USD
	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-107000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2551000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	5366000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1921000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4187000000	USD
	oxy	Increase Decreasein Capital Accrual IncreaseDecreaseinCapitalAccrual	-725000000	USD
	oxy	Increase Decreasein Capital Accrual IncreaseDecreaseinCapitalAccrual	-128000000	USD
	oxy	Payments For Purchases Of Assets And Businesses PaymentsForPurchasesOfAssetsAndBusinesses	102000000	USD
	oxy	Payments For Purchases Of Assets And Businesses PaymentsForPurchasesOfAssetsAndBusinesses	27926000000	USD
	oxy	Proceedsfrom Saleof Assetsand Equity Method Investments Net ProceedsfromSaleofAssetsandEquityMethodInvestmentsNet	193000000	USD
	oxy	Proceedsfrom Saleof Assetsand Equity Method Investments Net ProceedsfromSaleofAssetsandEquityMethodInvestmentsNet	4809000000	USD
	oxy	Payments For Proceeds From Equity Investments And Other Net PaymentsForProceedsFromEquityInvestmentsAndOtherNet	-188000000	USD
	oxy	Payments For Proceeds From Equity Investments And Other Net PaymentsForProceedsFromEquityInvestmentsAndOtherNet	140000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-2367000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-27572000000	USD
	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-31000000	USD
	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-154000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2398000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-27726000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	4956000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	21557000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	4615000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	4949000000	USD
	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	0	USD
	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	1240000000	USD
	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	0	USD
	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	1000000000	USD
	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	126000000	USD
	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	10010000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	237000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1634000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1766000000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	127000000	USD
	us-gaap	Payments For Derivative Instrument Financing Activities PaymentsForDerivativeInstrumentFinancingActivities	377000000	USD
	us-gaap	Proceeds From Derivative Instrument Financing Activities ProceedsFromDerivativeInstrumentFinancingActivities	11000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-99000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-46000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-1647000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	24693000000	USD
	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	-6000000	USD
	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	-1000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1653000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	24692000000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1500000000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2332000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3574000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3033000000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2074000000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5365000000	USD
	oxy	Exchange Of Investment In Equity Method Investee ExchangeOfInvestmentInEquityMethodInvestee	260000000	USD
	oxy	Exchange Of Investment In Equity Method Investee ExchangeOfInvestmentInEquityMethodInvestee	0	USD
	oxy	Notes Payable Related Parties Amount Retired NotesPayableRelatedPartiesAmountRetired	260000000	USD
	oxy	Notes Payable Related Parties Amount Retired NotesPayableRelatedPartiesAmountRetired	0	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	21347000000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	-752000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-148000000	USD
CY2019Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	709000000	USD
CY2019Q3	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	118000000	USD
CY2019Q3	oxy	Issuance Of Common Stock And Other Net IssuanceOfCommonStockAndOtherNet	6740000000	USD
CY2019Q3	us-gaap	Stock And Warrants Issued During Period Value Preferred Stock And Warrants StockAndWarrantsIssuedDuringPeriodValuePreferredStockAndWarrants	9762000000	USD
CY2019Q3	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	4875000000	USD
CY2019Q3	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	8000000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	41005000000	USD
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	23346000000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	-3575000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	29000000	USD
CY2020Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	10000000	USD
CY2020Q3	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	-19000000	USD
CY2020Q3	oxy	Issuance Of Common Stock And Other Net IssuanceOfCommonStockAndOtherNet	51000000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	19860000000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	21330000000	USD
	us-gaap	Profit Loss ProfitLoss	514000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-160000000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1877000000	USD
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	118000000	USD
	oxy	Issuance Of Common Stock And Other Net IssuanceOfCommonStockAndOtherNet	6851000000	USD
	us-gaap	Stock And Warrants Issued During Period Value Preferred Stock And Warrants StockAndWarrantsIssuedDuringPeriodValuePreferredStockAndWarrants	9762000000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	180000000	USD
	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	4875000000	USD
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CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	41005000000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	34232000000	USD
	us-gaap	Profit Loss ProfitLoss	-13719000000	USD
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CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	19860000000	USD
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	us-gaap	Income Taxes Paid IncomeTaxesPaid	827000000	USD
CY2020Q3	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	223000000	USD
	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	5000000	USD
CY2020Q3	us-gaap	Interest Paid Net InterestPaidNet	1300000000	USD
	us-gaap	Interest Paid Net InterestPaidNet	611000000	USD
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1896000000	USD
CY2019Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4840000000	USD
CY2020Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	51000000	USD
CY2019Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	467000000	USD
CY2020Q3	oxy	Disposal Group Including Discontinued Operation Cash And Restricted Cash DisposalGroupIncludingDiscontinuedOperationCashAndRestrictedCash	113000000	USD
CY2019Q3	oxy	Disposal Group Including Discontinued Operation Cash And Restricted Cash DisposalGroupIncludingDiscontinuedOperationCashAndRestrictedCash	3000000	USD
CY2020Q3	us-gaap	Restricted Cash Equivalents Noncurrent RestrictedCashEquivalentsNoncurrent	14000000	USD
CY2019Q3	us-gaap	Restricted Cash Equivalents Noncurrent RestrictedCashEquivalentsNoncurrent	55000000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2074000000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5365000000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4018000000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5403000000	USD
CY2020Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2100000000	USD
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	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	12569000000	USD
CY2020Q3	oxy	All Other Revenues AllOtherRevenues	90000000	USD
CY2019Q3	oxy	All Other Revenues AllOtherRevenues	456000000	USD
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CY2020Q3	us-gaap	Revenues Revenues	4108000000	USD
CY2019Q3	us-gaap	Revenues Revenues	5859000000	USD
	us-gaap	Revenues Revenues	13649000000	USD
	us-gaap	Revenues Revenues	14283000000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4018000000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5403000000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	12576000000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	12569000000	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	38000000	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	114000000	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	9000000	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	9000000	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	9000000	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	85000000	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	264000000	USD
CY2020Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	63000000	USD
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CY2020Q3	us-gaap	Other Inventory Supplies OtherInventorySupplies	885000000	USD
CY2019Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	974000000	USD
CY2020Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	753000000	USD
CY2019Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	572000000	USD
CY2020Q3	us-gaap	Inventory Gross InventoryGross	1701000000	USD
CY2019Q4	us-gaap	Inventory Gross InventoryGross	1621000000	USD
CY2020Q3	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	41000000	USD
CY2019Q4	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	40000000	USD
CY2020Q3	us-gaap	Inventory Net InventoryNet	1660000000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	1581000000	USD
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CY2020Q3	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	37511000000	USD
CY2020Q2	us-gaap	Asset Impairment Charges AssetImpairmentCharges	8600000000	USD
CY2020Q1	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	1200000000	USD
CY2020Q3	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	37511000000	USD
CY2019Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	37401000000	USD
CY2020Q3	us-gaap	Debt Instrument Unamortized Premium DebtInstrumentUnamortizedPremium	765000000	USD
CY2019Q4	us-gaap	Debt Instrument Unamortized Premium DebtInstrumentUnamortizedPremium	914000000	USD
CY2020Q3	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	144000000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	125000000	USD
CY2020Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	292000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	347000000	USD
CY2020Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	33000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	51000000	USD
CY2020Q3	us-gaap	Long Term Debt LongTermDebt	38457000000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	38588000000	USD
CY2020Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	2558000000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	51000000	USD
CY2020Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	35899000000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	38537000000	USD
CY2019Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	37401000000	USD
CY2020Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	325000000	USD
CY2020Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1196000000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1411000000	USD
CY2020Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	329000000	USD
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	397000000	USD
CY2020Q3	oxy	Lease Rightof Use Asset LeaseRightofUseAsset	1525000000	USD
CY2019Q4	oxy	Lease Rightof Use Asset LeaseRightofUseAsset	1808000000	USD
CY2020Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	459000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	579000000	USD
CY2020Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	33000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	51000000	USD
CY2020Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	786000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	872000000	USD
CY2020Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	292000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	347000000	USD
CY2020Q3	oxy	Lease Liability LeaseLiability	1570000000	USD
CY2019Q4	oxy	Lease Liability LeaseLiability	1849000000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	117000000	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	7000000	USD
CY2020Q3	oxy	Operatingand Finance Lease Liability Payments Remainderof Fiscal Year OperatingandFinanceLeaseLiabilityPaymentsRemainderofFiscalYear	124000000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	454000000	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	35000000	USD
CY2020Q3	oxy	Operating And Finance Lease Liability Payments Due Year One OperatingAndFinanceLeaseLiabilityPaymentsDueYearOne	489000000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	182000000	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	34000000	USD
CY2020Q3	oxy	Operating And Finance Lease Liability Payments Due Year Two OperatingAndFinanceLeaseLiabilityPaymentsDueYearTwo	216000000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	110000000	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	32000000	USD
CY2020Q3	oxy	Operating And Finance Lease Liability Payments Due Year Three OperatingAndFinanceLeaseLiabilityPaymentsDueYearThree	142000000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	89000000	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	30000000	USD
CY2020Q3	oxy	Operating And Finance Lease Liability Payments Due Year Four OperatingAndFinanceLeaseLiabilityPaymentsDueYearFour	119000000	USD
CY2020Q3	oxy	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	480000000	USD
CY2020Q3	oxy	Finance Lease Liability To Be Paid After Year Four FinanceLeaseLiabilityToBePaidAfterYearFour	261000000	USD
CY2020Q3	oxy	Operating And Finance Lease Liability Payments Due After Year Four OperatingAndFinanceLeaseLiabilityPaymentsDueAfterYearFour	741000000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1432000000	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	399000000	USD
CY2020Q3	oxy	Operatingand Finance Lease Liability Payments Due OperatingandFinanceLeaseLiabilityPaymentsDue	1831000000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	187000000	USD
CY2020Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	74000000	USD
CY2020Q3	oxy	Operatingand Finance Lease Liability Undiscounted Excess Amount OperatingandFinanceLeaseLiabilityUndiscountedExcessAmount	261000000	USD
CY2020Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	1245000000	USD
CY2020Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	325000000	USD
CY2020Q3	oxy	Operatingand Finance Lease Liability OperatingandFinanceLeaseLiability	1570000000	USD
CY2020Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y
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CY2020Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P11Y9M18D
CY2020Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0337
CY2020Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	5000000	USD
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	5000000	USD
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CY2020Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	3000000	USD
CY2019Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1000000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	9000000	USD
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CY2020Q3	us-gaap	Lease Cost LeaseCost	200000000	USD
CY2019Q3	us-gaap	Lease Cost LeaseCost	306000000	USD
	us-gaap	Lease Cost LeaseCost	673000000	USD
	us-gaap	Lease Cost LeaseCost	667000000	USD
CY2020Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	42000000	USD
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CY2019Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	139000000	USD
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CY2020Q3	us-gaap	Variable Lease Cost VariableLeaseCost	11000000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	73000000	USD
CY2019Q3	us-gaap	Variable Lease Cost VariableLeaseCost	55000000	USD
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CY2020Q3	oxy	Alternative Minimum Tax Credit And Net Operating Loss Carryback Anticipated Cash Refund AlternativeMinimumTaxCreditAndNetOperatingLossCarrybackAnticipatedCashRefund	195000000	USD
CY2020Q3	oxy	Environmental Remediation Sites Number EnvironmentalRemediationSitesNumber	174	site
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CY2020Q3	oxy	Environmental Reserves Exceeding Ten Million Threshold Value Site Category EnvironmentalReservesExceedingTenMillionThresholdValueSiteCategory	10000000	USD
CY2020Q3	oxy	Environmental Reserves Exceeding Ten Million Site Category Number Of Sites EnvironmentalReservesExceedingTenMillionSiteCategoryNumberOfSites	19	site
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CY2020Q3	oxy	Environmental Remediation Possible Additional Loss Beyond Accruals EnvironmentalRemediationPossibleAdditionalLossBeyondAccruals	1100000000	USD
CY2020Q3	oxy	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements Curtailments And Special Termination Benefits DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsCurtailmentsAndSpecialTerminationBenefits	5000000	USD
CY2019Q3	oxy	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements Curtailments And Special Termination Benefits DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsCurtailmentsAndSpecialTerminationBenefits	24000000	USD
	oxy	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements Curtailments And Special Termination Benefits DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsCurtailmentsAndSpecialTerminationBenefits	121000000	USD
	oxy	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements Curtailments And Special Termination Benefits DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsCurtailmentsAndSpecialTerminationBenefits	24000000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	30000000	USD
CY2019Q3	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	7000000	USD
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CY2020Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-3655000000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-737000000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-12384000000	USD
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CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	80000000	USD
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CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	42000000	USD
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CY2020Q3	us-gaap	Redeemable Preferred Stock Dividends RedeemablePreferredStockDividends	203000000	USD
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CY2020Q3	oxy	Net Income Loss Attributable To Common Stockholders NetIncomeLossAttributableToCommonStockholders	-3778000000	USD
CY2019Q3	oxy	Net Income Loss Attributable To Common Stockholders NetIncomeLossAttributableToCommonStockholders	-912000000	USD
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CY2020Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	0	USD
CY2019Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	0	USD
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	0	USD
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	1000000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-3778000000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-912000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-14363000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	353000000	USD
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	929300000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	845700000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	913900000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	781100000	shares
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-4.07
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.08
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-15.72
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.45
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-3778000000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-912000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-14363000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	353000000	USD
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	929300000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	845700000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	913900000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	781100000	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2019Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1100000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	929300000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	845700000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	913900000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	782200000	shares
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-4.07
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.08
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-15.72
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.45
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	200000000	shares
CY2020Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	200000000	shares
CY2020Q2	oxy	Preferred Stock Dividend Volume Weighted Average Price PreferredStockDividendVolumeWeightedAveragePrice	0.90
CY2020Q1	oxy	Preferred Stock Dividend Volume Weighted Average Price PreferredStockDividendVolumeWeightedAveragePrice	0.90
CY2020Q1	oxy	Preferred Stock Dividend Volume Weighted Average Price Calculation Period PreferredStockDividendVolumeWeightedAveragePriceCalculationPeriod	P10D
CY2020Q2	oxy	Preferred Stock Dividend Volume Weighted Average Price Calculation Period PreferredStockDividendVolumeWeightedAveragePriceCalculationPeriod	P10D
CY2020Q2	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	17300000	shares
CY2020Q3	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	11600000	shares
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	site
CY2020Q3	us-gaap	Revenues Revenues	4108000000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-4058000000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-403000000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-3655000000	USD
CY2019Q3	us-gaap	Revenues Revenues	5859000000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-574000000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	163000000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-737000000	USD
	us-gaap	Revenues Revenues	13649000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-14280000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1896000000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-12384000000	USD
	us-gaap	Revenues Revenues	14283000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1223000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	694000000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	529000000	USD

Files In Submission

Name	View Source	Status
0000797468-20-000033-index-headers.html	Edgar Link	pending
0000797468-20-000033-index.html	Edgar Link	pending
0000797468-20-000033.txt	Edgar Link	pending
0000797468-20-000033-xbrl.zip	Edgar Link	pending
exhibit106occidentalpe.htm	Edgar Link	pending
exhibit107formofemploy.htm	Edgar Link	pending
exhibit311-10xq9302020.htm	Edgar Link	pending
exhibit312-10xq9302020.htm	Edgar Link	pending
exhibit321-10xq9302020.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
image_01a.jpg	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
oxy-20200930.htm	Edgar Link	pending
oxy-20200930.xsd	Edgar Link	pending
oxy-20200930_cal.xml	Edgar Link	unprocessable
oxy-20200930_def.xml	Edgar Link	unprocessable
oxy-20200930_htm.xml	Edgar Link	completed
oxy-20200930_lab.xml	Edgar Link	unprocessable
oxy-20200930_pre.xml	Edgar Link	unprocessable
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$OXY
Occidental Petroleum Corp Stock $oxy

2020 Q3 Form 10-Q Financial Statement

#000079746820000033 Filed on November 09, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OXY Occidental Petroleum Corp Stock $oxy

2020 Q3 Form 10-Q Financial Statement

#000079746820000033 Filed on November 09, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OXY
Occidental Petroleum Corp Stock $oxy