$OXY
Occidental Petroleum Corp Stock $oxy

$oxy Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000079746824000034 Filed on February 14, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$5.975B	$7.172B	$28.26B
YoY Change	-17.3%	-13.07%	-22.87%
Cost Of Revenue	$742.0M	$3.035B	$3.116B
YoY Change	-0.4%	3.44%	-4.8%
Gross Profit	$5.233B	$4.137B	$25.14B
YoY Change	-19.24%	-22.18%	-24.64%
Gross Profit Margin	87.58%	57.68%	88.97%
Selling, General & Admin	$259.0M	$532.0M	$1.083B
YoY Change	7.47%	-13.92%	14.6%
% of Gross Profit	4.95%	12.86%	4.31%
Research & Development	$66.00M	$112.0M	$441.0M
YoY Change	-35.29%	-5.08%	104.17%
% of Gross Profit	1.26%	2.71%	1.75%
Depreciation & Amortization	$1.693B	$1.723B	$6.865B
YoY Change	-1.63%	-5.28%	-0.88%
% of Gross Profit	32.35%	41.65%	27.31%
Operating Expenses	$259.0M	$2.805B	$1.083B
YoY Change	7.47%	-3.84%	14.6%
Operating Profit	$4.974B	$1.332B	$24.06B
YoY Change	-20.28%	-44.48%	-25.78%
Interest Expense	$52.00M	$253.0M	$250.0M
YoY Change	-138.81%	3062.5%	-35.57%
% of Operating Profit	1.05%	18.99%	1.04%
Other Income/Expense, Net	$301.0M		$534.0M
YoY Change	201.0%		-51.89%
Pretax Income	$1.010B	$1.559B	$6.429B
YoY Change	-41.75%	-35.04%	-54.46%
Income Tax	$304.0M	$361.0M	$1.733B
% Of Pretax Income	30.1%	23.16%	26.96%
Net Earnings	$888.0M	$1.029B	$4.696B
YoY Change	-29.69%	-40.42%	-64.7%
Net Earnings / Revenue	14.86%	14.35%	16.62%
Basic Earnings Per Share	$0.81		$4.22
Diluted Earnings Per Share	$0.75	$1.08	$3.90
COMMON SHARES
Basic Shares Outstanding	879.5M shares		889.2M shares
Diluted Shares Outstanding	948.6M shares		960.9M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.272B	$1.426B	$1.426B
YoY Change	9.18%	44.92%	44.92%
Cash & Equivalents	$1.272B	$1.426B	$1.426B
Short-Term Investments
Other Short-Term Assets	$1.671B	$1.732B	$1.732B
YoY Change	19.87%	10.88%	10.88%
Inventory	$2.131B	$2.022B	$2.022B
Prepaid Expenses
Receivables	$3.300B	$3.200B	$3.195B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$8.345B	$8.375B	$8.375B
YoY Change	2.49%	-5.75%	-5.75%
LONG-TERM ASSETS
Property, Plant & Equipment	$59.80B	$59.66B	$59.66B
YoY Change	1.32%	0.63%	0.63%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$3.400B	$3.224B	$3.224B
YoY Change	7.56%	1.51%	1.51%
Other Assets	$2.731B	$2.750B	$17.00M
YoY Change	15964.71%	17087.5%	6.25%
Total Long-Term Assets	$65.93B	$65.63B	$65.63B
YoY Change	3.9%	3.0%	3.0%
TOTAL ASSETS
Total Short-Term Assets	$8.345B	$8.375B	$8.375B
Total Long-Term Assets	$65.93B	$65.63B	$65.63B
Total Assets	$74.28B	$74.01B	$74.01B
YoY Change	3.74%	1.93%	1.93%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$3.827B	$3.646B	$3.646B
YoY Change	8.91%	-9.51%	-9.51%
Accrued Expenses	$3.358B	$3.854B	$4.300B
YoY Change	20.44%	17.14%	31.34%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$1.203B	$1.202B	$1.202B
YoY Change	765.47%	628.48%	628.48%
Total Short-Term Liabilities	$8.812B	$9.148B	$9.148B
YoY Change	18.44%	17.93%	17.93%
LONG-TERM LIABILITIES
Long-Term Debt	$18.55B	$18.54B	$18.54B
YoY Change	-5.6%	-5.77%	-5.77%
Other Long-Term Liabilities	$3.891B	$3.782B	$10.21B
YoY Change	16.18%	13.51%	6.53%
Total Long-Term Liabilities	$22.44B	$3.782B	$28.75B
YoY Change	-2.43%	13.51%	-1.74%
TOTAL LIABILITIES
Total Short-Term Liabilities	$8.812B	$9.148B	$9.148B
Total Long-Term Liabilities	$22.44B	$3.782B	$28.75B
Total Liabilities	$31.25B	$12.93B	$43.76B
YoY Change	2.67%	16.6%	2.9%
SHAREHOLDERS EQUITY
Retained Earnings	$20.15B	$19.63B
YoY Change	16.34%	18.95%
Common Stock	$223.0M	$222.0M
YoY Change	0.9%	-98.72%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$30.81B	$30.25B	$30.25B
YoY Change
Total Liabilities & Shareholders Equity	$74.28B	$74.01B	$74.01B
YoY Change	3.74%	1.93%	1.93%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$888.0M	$1.029B	$4.696B
YoY Change	-29.69%	-40.42%	-64.7%
Depreciation, Depletion And Amortization	$1.693B	$1.723B	$6.865B
YoY Change	-1.63%	-5.28%	-0.88%
Cash From Operating Activities	$2.007B	$3.239B	$12.31B
YoY Change	-30.07%	-18.52%	-26.78%
INVESTING ACTIVITIES
Capital Expenditures	$1.783B	$1.544B	$6.270B
YoY Change	22.04%	1.58%	39.43%
Acquisitions
YoY Change
Other Investing Activities	-$27.00M	-$425.0M	-$710.0M
YoY Change	-80.29%	12.43%	89.33%
Cash From Investing Activities	-$1.810B	-$1.969B	-$6.980B
YoY Change	13.27%	3.74%	43.27%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$1.663B
YoY Change			-40.73%
Debt Paid & Issued, Net	$0.00		$22.00M
YoY Change	-100.0%		-99.77%
Cash From Financing Activities	-$328.0M	-455.0M	-$4.890B
YoY Change	-69.63%	-80.47%	-64.35%
NET CHANGE
Cash From Operating Activities	$2.007B	3.239B	$12.31B
Cash From Investing Activities	-$1.810B	-1.969B	-$6.980B
Cash From Financing Activities	-$328.0M	-455.0M	-$4.890B
Net Change In Cash	-$131.0M	815.0M	$438.0M
YoY Change	-168.23%	-422.13%	-124.65%
FREE CASH FLOW
Cash From Operating Activities	$2.007B	$3.239B	$12.31B
Capital Expenditures	$1.783B	$1.544B	$6.270B
Free Cash Flow	$224.0M	$1.695B	$6.038B
YoY Change	-84.1%	-30.96%	-50.96%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.40
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.58
CY2021	us-gaap	Net Income Loss NetIncomeLoss	2322000000	usd
CY2023	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	1084000000	usd
CY2023	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	1087000000	usd
CY2022	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	1548000000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6926000000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	8447000000	usd
CY2021	oxy	Pretax Asset Impairment And Related Items PretaxAssetImpairmentAndRelatedItems	304000000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2402000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1026000000	usd
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0000797468
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023Q4	us-gaap	Derivative Liability Statement Of Financial Position Extensible Enumeration DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2023#AccruedLiabilitiesCurrent
CY2022Q4	us-gaap	Derivative Liability Statement Of Financial Position Extensible Enumeration DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2023#AccruedLiabilitiesCurrent
CY2021	us-gaap	Environmental Remediation Expense Statement Of Income Or Comprehensive Income Extensible Enumeration EnvironmentalRemediationExpenseStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2023#OtherCostAndExpenseOperating
CY2023	us-gaap	Environmental Remediation Expense Statement Of Income Or Comprehensive Income Extensible Enumeration EnvironmentalRemediationExpenseStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2023#OtherCostAndExpenseOperating
CY2022	us-gaap	Environmental Remediation Expense Statement Of Income Or Comprehensive Income Extensible Enumeration EnvironmentalRemediationExpenseStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2023#OtherCostAndExpenseOperating
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Entity File Number EntityFileNumber	1-9210
CY2023	dei	Entity Registrant Name EntityRegistrantName	Occidental Petroleum Corporation
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	95-4035997
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	5 Greenway Plaza
CY2023	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 110
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Houston,
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	77046
CY2023	dei	City Area Code CityAreaCode	(713)
CY2023	dei	Local Phone Number LocalPhoneNumber	215-7000
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	51700000000	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	879499439	shares
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1426000000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	984000000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	29000000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	37000000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	3195000000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	4281000000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	2022000000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	2059000000	usd
CY2023Q4	us-gaap	Other Assets Current OtherAssetsCurrent	1732000000	usd
CY2022Q4	us-gaap	Other Assets Current OtherAssetsCurrent	1562000000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	8375000000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	8886000000	usd
CY2023Q4	us-gaap	Equity Method Investments EquityMethodInvestments	3224000000	usd
CY2022Q4	us-gaap	Equity Method Investments EquityMethodInvestments	3176000000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	126811000000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	120734000000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	68282000000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	62350000000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	58529000000	usd
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CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1130000000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	903000000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2750000000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1260000000	usd
CY2023Q4	us-gaap	Assets Assets	74008000000	usd
CY2022Q4	us-gaap	Assets Assets	72609000000	usd
CY2023Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	1202000000	usd
CY2022Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	165000000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	446000000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	273000000	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	3646000000	usd
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CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	3290000000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	9148000000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	7757000000	usd
CY2023Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	18536000000	usd
CY2022Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	19670000000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	5764000000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	5512000000	usd
CY2023Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	3882000000	usd
CY2022Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	3636000000	usd
CY2023Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	931000000	usd
CY2022Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	1055000000	usd
CY2023Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	889000000	usd
CY2022Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	905000000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	727000000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	657000000	usd
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CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	8287000000	usd
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	9762000000	usd
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CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.20
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1500000000	shares
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1500000000	shares
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CY2023Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	15582000000	usd
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CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	195000000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	30250000000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	30085000000	usd
CY2023Q4	us-gaap	Minority Interest MinorityInterest	99000000	usd
CY2022Q4	us-gaap	Minority Interest MinorityInterest	0	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	30349000000	usd
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CY2023Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	146000000	usd
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CY2023Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	591000000	usd
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CY2023	oxy	Interest Dividends And Other Income InterestDividendsAndOtherIncome	139000000	usd
CY2022	oxy	Interest Dividends And Other Income InterestDividendsAndOtherIncome	153000000	usd
CY2021	oxy	Interest Dividends And Other Income InterestDividendsAndOtherIncome	166000000	usd
CY2023	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	522000000	usd
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CY2021	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	192000000	usd
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CY2021	oxy	Revenues Operating And Nonoperating RevenuesOperatingAndNonoperating	26314000000	usd
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CY2022	us-gaap	Results Of Operations Expense From Oil And Gas Producing Activities ResultsOfOperationsExpenseFromOilAndGasProducingActivities	4028000000	usd
CY2021	us-gaap	Results Of Operations Expense From Oil And Gas Producing Activities ResultsOfOperationsExpenseFromOilAndGasProducingActivities	3160000000	usd
CY2022	oxy	Transportation And Gathering Expense TransportationAndGatheringExpense	1475000000	usd
CY2021	oxy	Transportation And Gathering Expense TransportationAndGatheringExpense	1419000000	usd
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	2772000000	usd
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CY2023	oxy	Pretax Asset Impairment And Related Items PretaxAssetImpairmentAndRelatedItems	209000000	usd
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CY2022	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	89000000	usd
CY2021	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	153000000	usd
CY2023	us-gaap	Exploration Expense ExplorationExpense	441000000	usd
CY2022	us-gaap	Exploration Expense ExplorationExpense	216000000	usd
CY2021	us-gaap	Exploration Expense ExplorationExpense	252000000	usd
CY2023	us-gaap	Interest And Debt Expense InterestAndDebtExpense	945000000	usd
CY2022	us-gaap	Interest And Debt Expense InterestAndDebtExpense	1030000000	usd
CY2021	us-gaap	Interest And Debt Expense InterestAndDebtExpense	1614000000	usd
CY2023	oxy	Costs And Other Deductions CostsAndOtherDeductions	23023000000	usd
CY2022	oxy	Costs And Other Deductions CostsAndOtherDeductions	24088000000	usd
CY2021	oxy	Costs And Other Deductions CostsAndOtherDeductions	23362000000	usd
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CY2022	oxy	Income Loss From Continuing Operations Before Nonoperating Income Expense Equity Method Investments Income Taxes Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeNonoperatingIncomeExpenseEquityMethodInvestmentsIncomeTaxesNoncontrollingInterest	13007000000	usd
CY2021	oxy	Income Loss From Continuing Operations Before Nonoperating Income Expense Equity Method Investments Income Taxes Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeNonoperatingIncomeExpenseEquityMethodInvestmentsIncomeTaxesNoncontrollingInterest	2952000000	usd
CY2023	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	0	usd
CY2022	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	317000000	usd
CY2021	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	122000000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	534000000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	793000000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	631000000	usd
CY2023	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	534000000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1110000000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	753000000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	6429000000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	14117000000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3705000000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1733000000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	813000000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	915000000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4696000000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	13304000000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2790000000	usd
CY2023	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	usd
CY2022	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	usd
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-468000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	4696000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	13304000000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	2322000000	usd
CY2023	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	923000000	usd
CY2022	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	800000000	usd
CY2021	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	800000000	usd
CY2023	oxy	Net Income Loss Attributable To Common Stockholders NetIncomeLossAttributableToCommonStockholders	3773000000	usd
CY2022	oxy	Net Income Loss Attributable To Common Stockholders NetIncomeLossAttributableToCommonStockholders	12504000000	usd
CY2021	oxy	Net Income Loss Attributable To Common Stockholders NetIncomeLossAttributableToCommonStockholders	1522000000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	4.22
CY2022	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	13.41
CY2021	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.12
CY2023	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0
CY2022	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0
CY2021	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	-0.50
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.22
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	13.41
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.62
CY2023	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	3.90
CY2022	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	12.40
CY2021	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.06
CY2023	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0
CY2022	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0
CY2021	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	-0.48
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.90
CY2023	us-gaap	Net Income Loss NetIncomeLoss	4696000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	13304000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	44000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	80000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	14000000	usd
CY2023	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	34000000	usd
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	321000000	usd
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	67000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-2000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-2000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	1000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	80000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	403000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	80000000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	4776000000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	13707000000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2402000000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	4776000000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	13707000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	0	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	22000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	4000000	usd
CY2023	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	10000000	usd
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	99000000	usd
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	18000000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	18573000000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	2322000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	80000000	usd
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.04
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	38000000	usd
CY2021	us-gaap	Preferred Stock Dividends Per Share Declared PreferredStockDividendsPerShareDeclared	8000
CY2021	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	800000000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	7000000	usd
CY2021	oxy	Issuance Of Common Stock And Other Net IssuanceOfCommonStockAndOtherNet	191000000	usd
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	8000000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	20327000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	13304000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	403000000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.52
CY2022	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	485000000	usd
CY2022	us-gaap	Preferred Stock Dividends Per Share Declared PreferredStockDividendsPerShareDeclared	8000
CY2022	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	800000000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	254000000	usd
CY2022	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	27000000	usd
CY2022	oxy	Issuance Of Common Stock And Other Net IssuanceOfCommonStockAndOtherNet	154000000	usd
CY2022	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	3099000000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	30085000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	4696000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	80000000	usd
CY2023	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.72
CY2023	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	646000000	usd
CY2023	us-gaap	Preferred Stock Dividends Per Share Declared PreferredStockDividendsPerShareDeclared	8000
CY2023	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	736000000	usd
CY2023	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	1511000000	usd
CY2023	us-gaap	Preferred Stock Redemption Premium PreferredStockRedemptionPremium	151000000	usd
CY2023	us-gaap	Increase In Carrying Amount Of Redeemable Preferred Stock IncreaseInCarryingAmountOfRedeemablePreferredStock	0	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	99000000	usd
CY2023	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	13000000	usd
CY2023	oxy	Issuance Of Common Stock And Other Net IssuanceOfCommonStockAndOtherNet	131000000	usd
CY2023	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1810000000	usd
CY2023	us-gaap	Minority Interest Period Increase Decrease MinorityInterestPeriodIncreaseDecrease	99000000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	30349000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	4696000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	13304000000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	2322000000	usd
CY2023	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	0	usd
CY2022	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	0	usd
CY2021	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	-468000000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6865000000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6926000000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	8447000000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	57000000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1644000000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	46000000	usd
CY2023	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	100000000	usd
CY2022	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	8000000	usd
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-229000000	usd
CY2023	oxy	Non Cash Portion Of Asset Impairment And Related Items NonCashPortionOfAssetImpairmentAndRelatedItems	209000000	usd
CY2022	oxy	Non Cash Portion Of Asset Impairment And Related Items NonCashPortionOfAssetImpairmentAndRelatedItems	0	usd
CY2021	oxy	Non Cash Portion Of Asset Impairment And Related Items NonCashPortionOfAssetImpairmentAndRelatedItems	304000000	usd
CY2023	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	522000000	usd
CY2022	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	308000000	usd
CY2021	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	192000000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-144000000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	219000000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	70000000	usd
CY2023	us-gaap	Exploration Abandonment And Impairment Expense ExplorationAbandonmentAndImpairmentExpense	299000000	usd
CY2022	us-gaap	Exploration Abandonment And Impairment Expense ExplorationAbandonmentAndImpairmentExpense	84000000	usd
CY2021	us-gaap	Exploration Abandonment And Impairment Expense ExplorationAbandonmentAndImpairmentExpense	125000000	usd
CY2023	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-1088000000	usd
CY2022	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	97000000	usd
CY2021	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	2086000000	usd
CY2023	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	91000000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	230000000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	86000000	usd
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CY2022	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	335000000	usd
CY2021	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	119000000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-549000000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-478000000	usd
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CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	12308000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	16810000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	10434000000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	6270000000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4497000000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2870000000	usd
CY2023	oxy	Increase Decrease In Capital Accrual IncreaseDecreaseInCapitalAccrual	25000000	usd
CY2022	oxy	Increase Decrease In Capital Accrual IncreaseDecreaseInCapitalAccrual	147000000	usd
CY2021	oxy	Increase Decrease In Capital Accrual IncreaseDecreaseInCapitalAccrual	97000000	usd
CY2023	oxy	Payments For Purchases Of Assets Businesses And Equity Investments PaymentsForPurchasesOfAssetsBusinessesAndEquityInvestments	713000000	usd
CY2022	oxy	Payments For Purchases Of Assets Businesses And Equity Investments PaymentsForPurchasesOfAssetsBusinessesAndEquityInvestments	990000000	usd
CY2021	oxy	Payments For Purchases Of Assets Businesses And Equity Investments PaymentsForPurchasesOfAssetsBusinessesAndEquityInvestments	431000000	usd
CY2023	oxy	Proceeds From Sale Of Assets And Equity Method Investments Net ProceedsFromSaleOfAssetsAndEquityMethodInvestmentsNet	448000000	usd
CY2022	oxy	Proceeds From Sale Of Assets And Equity Method Investments Net ProceedsFromSaleOfAssetsAndEquityMethodInvestmentsNet	584000000	usd
CY2021	oxy	Proceeds From Sale Of Assets And Equity Method Investments Net ProceedsFromSaleOfAssetsAndEquityMethodInvestmentsNet	1624000000	usd
CY2023	oxy	Payments For Proceeds From Equity Investments And Other Net PaymentsForProceedsFromEquityInvestmentsAndOtherNet	470000000	usd
CY2022	oxy	Payments For Proceeds From Equity Investments And Other Net PaymentsForProceedsFromEquityInvestmentsAndOtherNet	116000000	usd
CY2021	oxy	Payments For Proceeds From Equity Investments And Other Net PaymentsForProceedsFromEquityInvestmentsAndOtherNet	-406000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-6980000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-4872000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-1174000000	usd
CY2023	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	usd
CY2022	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	usd
CY2021	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-79000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-6980000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-4872000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1253000000	usd
CY2023	us-gaap	Proceeds From Accounts Receivable Securitization ProceedsFromAccountsReceivableSecuritization	900000000	usd
CY2022	us-gaap	Proceeds From Accounts Receivable Securitization ProceedsFromAccountsReceivableSecuritization	400000000	usd
CY2021	us-gaap	Proceeds From Accounts Receivable Securitization ProceedsFromAccountsReceivableSecuritization	0	usd
CY2023	us-gaap	Repayments Of Accounts Receivable Securitization RepaymentsOfAccountsReceivableSecuritization	900000000	usd
CY2022	us-gaap	Repayments Of Accounts Receivable Securitization RepaymentsOfAccountsReceivableSecuritization	400000000	usd
CY2021	us-gaap	Repayments Of Accounts Receivable Securitization RepaymentsOfAccountsReceivableSecuritization	0	usd
CY2023	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	46000000	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2023	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	22000000	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	9484000000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	6834000000	usd
CY2023	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	1661000000	usd
CY2022	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	0	usd
CY2021	us-gaap	Payments For Repurchase Of Redeemable Preferred Stock PaymentsForRepurchaseOfRedeemablePreferredStock	0	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1798000000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3099000000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	8000000	usd
CY2023	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	1365000000	usd
CY2022	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	1184000000	usd
CY2021	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	839000000	usd
CY2023	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	135000000	usd
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CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	31000000	usd
CY2023	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	100000000	usd
CY2022	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	usd
CY2021	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	usd
CY2023	us-gaap	Payments For Proceeds From Derivative Instrument Financing Activities PaymentsForProceedsFromDerivativeInstrumentFinancingActivities	0	usd
CY2022	us-gaap	Payments For Proceeds From Derivative Instrument Financing Activities PaymentsForProceedsFromDerivativeInstrumentFinancingActivities	111000000	usd
CY2021	us-gaap	Payments For Proceeds From Derivative Instrument Financing Activities PaymentsForProceedsFromDerivativeInstrumentFinancingActivities	834000000	usd
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CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-130000000	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-80000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-4890000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-13715000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-8564000000	usd
CY2023	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	0	usd
CY2022	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	0	usd
CY2021	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	-8000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-4890000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-13715000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-8572000000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	438000000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1777000000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	609000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1026000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2803000000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2194000000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1464000000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1464000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2803000000	usd
CY2023	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2023	oxy	Limited Liability Company Llc Or Limited Partnership Lp Limited Partner Unit Ownership Interest LimitedLiabilityCompanyLLCOrLimitedPartnershipLPLimitedPartnerUnitOwnershipInterest	0.488
CY2023	oxy	Limited Liability Company Llc Or Limited Partnership Lp Non Voting Limited Partner Unit Interest Percentage LimitedLiabilityCompanyLLCOrLimitedPartnershipLPNonVotingLimitedPartnerUnitInterestPercentage	0.02
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	3200000000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	4300000000	usd
CY2022Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	276000000	usd
CY2021Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	213000000	usd
CY2020Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	211000000	usd
CY2023	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	750000000	usd
CY2022	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	323000000	usd
CY2021	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	163000000	usd
CY2023	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	314000000	usd
CY2022	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	183000000	usd
CY2021	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	67000000	usd
CY2023	us-gaap	Capitalized Exploratory Well Cost Charged To Expense1 CapitalizedExploratoryWellCostChargedToExpense1	307000000	usd
CY2022	us-gaap	Capitalized Exploratory Well Cost Charged To Expense1 CapitalizedExploratoryWellCostChargedToExpense1	77000000	usd
CY2021	us-gaap	Capitalized Exploratory Well Cost Charged To Expense1 CapitalizedExploratoryWellCostChargedToExpense1	94000000	usd
CY2023Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	405000000	usd
CY2022Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	276000000	usd
CY2021Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	213000000	usd
CY2023Q4	us-gaap	Capitalized Costs Mineral Interests In Unproved Properties CapitalizedCostsMineralInterestsInUnprovedProperties	10200000000	usd
CY2022Q4	us-gaap	Capitalized Costs Mineral Interests In Unproved Properties CapitalizedCostsMineralInterestsInUnprovedProperties	12600000000	usd
CY2023Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	693000000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	582000000	usd
CY2023Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	618000000	usd
CY2022Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	544000000	usd
CY2023Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	307000000	usd
CY2022Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	289000000	usd
CY2023	oxy	Estimated Period Often Taken For Investigations And Cleanup Measures For Comprehensive Environmental Response Compensation And Liability Act National Priorities List Sites Greater Than EstimatedPeriodOftenTakenForInvestigationsAndCleanupMeasuresForComprehensiveEnvironmentalResponseCompensationAndLiabilityActNationalPrioritiesListSitesGreaterThan	P10Y
CY2022Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	3805000000	usd
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	4026000000	usd
CY2023	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	105000000	usd
CY2022	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	55000000	usd
CY2023	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	295000000	usd
CY2022	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	342000000	usd
CY2023	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	211000000	usd
CY2022	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	145000000	usd
CY2023	oxy	Asset Retirement Obligation Acquisitions And Other AssetRetirementObligationAcquisitionsAndOther	-15000000	usd
CY2022	oxy	Asset Retirement Obligation Acquisitions And Other AssetRetirementObligationAcquisitionsAndOther	-54000000	usd
CY2023	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	264000000	usd
CY2022	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-25000000	usd
CY2023Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	4075000000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	3805000000	usd
CY2023Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	193000000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	169000000	usd
CY2022Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	26000000	usd
CY2023Q4	us-gaap	Restricted Cash Equivalents Noncurrent RestrictedCashEquivalentsNoncurrent	17000000	usd
CY2022Q4	us-gaap	Restricted Cash Equivalents Noncurrent RestrictedCashEquivalentsNoncurrent	16000000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	1099000000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	1425000000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	1685000000	usd
CY2023	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	98000000	usd
CY2022	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	69000000	usd
CY2021	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	61000000	usd
CY2023	us-gaap	Nonmonetary Transaction Gain Loss Recognized On Transfer NonmonetaryTransactionGainLossRecognizedOnTransfer	120000000	usd
CY2022	us-gaap	Nonmonetary Transaction Gain Loss Recognized On Transfer NonmonetaryTransactionGainLossRecognizedOnTransfer	340000000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1426000000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	984000000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	21000000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1464000000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1464000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1026000000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	28325000000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	36234000000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	25959000000	usd
CY2023	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	-68000000	usd
CY2022	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	400000000	usd
CY2021	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	-3000000	usd
CY2023	us-gaap	Revenues Revenues	28257000000	usd
CY2022	us-gaap	Revenues Revenues	36634000000	usd
CY2021	us-gaap	Revenues Revenues	25956000000	usd
CY2023Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	115000000	usd
CY2022Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	120000000	usd
CY2023Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	988000000	usd
CY2022Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	913000000	usd
CY2023Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	1027000000	usd
CY2022Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	1147000000	usd
CY2023Q4	us-gaap	Inventory Gross InventoryGross	2130000000	usd
CY2022Q4	us-gaap	Inventory Gross InventoryGross	2180000000	usd
CY2023Q4	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	108000000	usd
CY2022Q4	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	121000000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	2022000000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	2059000000	usd
CY2023Q4	us-gaap	Equity Method Investments EquityMethodInvestments	3200000000	usd
CY2022Q4	us-gaap	Equity Method Investments EquityMethodInvestments	3200000000	usd
CY2023Q4	us-gaap	Equity Method Investments EquityMethodInvestments	3224000000	usd
CY2023	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	708000000	usd
CY2022	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	643000000	usd
CY2021	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	652000000	usd
CY2023Q4	us-gaap	Retained Earnings Undistributed Earnings From Equity Method Investees RetainedEarningsUndistributedEarningsFromEquityMethodInvestees	613000000	usd
CY2022Q4	us-gaap	Retained Earnings Undistributed Earnings From Equity Method Investees RetainedEarningsUndistributedEarningsFromEquityMethodInvestees	594000000	usd
CY2023Q4	us-gaap	Equity Method Investment Difference Between Carrying Amount And Underlying Equity EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity	424000000	usd
CY2023Q4	oxy	Equity Method Investment Difference Between Carrying Amount And Underlying Equity Related To Goodwill EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquityRelatedToGoodwill	371000000	usd
CY2023Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	-1152000000	usd
CY2022Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	-1261000000	usd
CY2023Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	106000000	usd
CY2022Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	73000000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	19001000000	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	19146000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	591000000	usd
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	546000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	146000000	usd
CY2022Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	143000000	usd
CY2023Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	19738000000	usd
CY2023	us-gaap	Related Party Transaction Purchases From Related Party RelatedPartyTransactionPurchasesFromRelatedParty	722000000	usd
CY2022	us-gaap	Related Party Transaction Purchases From Related Party RelatedPartyTransactionPurchasesFromRelatedParty	948000000	usd
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CY2023	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	1155000000	usd
CY2022	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	1006000000	usd
CY2021	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	942000000	usd
CY2023Q3	us-gaap	Proceeds From Sale Of Oil And Gas Property And Equipment ProceedsFromSaleOfOilAndGasPropertyAndEquipment	202000000	usd
CY2023Q3	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	142000000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	17955000000	usd
CY2022Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	17958000000	usd
CY2023Q4	oxy	Operating And Finance Lease Liability Payments Due Year Four OperatingAndFinanceLeaseLiabilityPaymentsDueYearFour	214000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	71000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	85000000	usd
CY2023Q4	oxy	Operating And Finance Lease Liability Payments Due Year Five OperatingAndFinanceLeaseLiabilityPaymentsDueYearFive	156000000	usd
CY2022Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	19835000000	usd
CY2023Q4	oxy	Finance Lease Liability Current Maturities FinanceLeaseLiabilityCurrentMaturities	146000000	usd
CY2022Q4	oxy	Finance Lease Liability Current Maturities FinanceLeaseLiabilityCurrentMaturities	143000000	usd
CY2023Q4	oxy	Long Term Debt Current Maturities Excluding Finance Leases LongTermDebtCurrentMaturitiesExcludingFinanceLeases	1056000000	usd
CY2022Q4	oxy	Long Term Debt Current Maturities Excluding Finance Leases LongTermDebtCurrentMaturitiesExcludingFinanceLeases	22000000	usd
CY2023Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	18536000000	usd
CY2022Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	19670000000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	18000000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	1100000000	usd
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CY2022Q4	oxy	Variable Rate Debt As Percentage Of Long Term Debt Gross VariableRateDebtAsPercentageOfLongTermDebtGross	0.004
CY2021Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	28493000000	usd
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CY2023Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	738000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	453000000	usd
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CY2023Q4	oxy	Operating And Finance Lease Liability Payments Due Year One OperatingAndFinanceLeaseLiabilityPaymentsDueYearOne	599000000	usd
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CY2023Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	256000000	usd
CY2023Q4	oxy	Operating And Finance Lease Liability Payments Due After Year Five OperatingAndFinanceLeaseLiabilityPaymentsDueAfterYearFive	446000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1300000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	862000000	usd
CY2023Q4	oxy	Operating And Finance Lease Liability Payments Due OperatingAndFinanceLeaseLiabilityPaymentsDue	2162000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	127000000	usd
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CY2023	us-gaap	Schedule Of Repurchase Agreements ScheduleOfRepurchaseAgreements	<div style="margin-top:2pt;text-align:justify;text-indent:13.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:120%">The following table presents Occidental's common share activity, including exercises of options and warrants, other transactions in Occidental's common stock in 2023 and treasury stock purchased both under its $3.0 billion share repurchase program announced in February 2023 and from the trustee of Occidental's defined contribution savings plan:</span></div><div style="margin-top:2pt;text-align:justify;text-indent:13.5pt"><span><br/></span></div><div style="text-align:justify"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:33.095%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.374%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.549%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.529%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.549%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.386%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.549%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.386%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.549%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.534%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:700;line-height:100%">Period</span></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:700;line-height:100%">Exercise of Warrants and Options</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:700;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:700;line-height:100%">Other</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:6.17pt;font-weight:700;line-height:100%;position:relative;top:-3.32pt;vertical-align:baseline">(b)</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:700;line-height:100%">Treasury Stock Purchases</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:6.17pt;font-weight:700;line-height:100%;position:relative;top:-3.32pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:700;line-height:100%">Common Stock Outstanding</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:6.17pt;font-weight:700;line-height:100%;position:relative;top:-3.32pt;vertical-align:baseline">(d)</span></div></td></tr><tr><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">December 31, 2022</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">899,858,944 </span></td><td style="border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">First Quarter 2023</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">268,371 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">3,935,166 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">(12,511,237)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">891,551,244 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">Second Quarter 2023</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">205,631 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">158,473 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">(7,233,460)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">884,681,888 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">Third Quarter 2023</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">2,468,799 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">19,248 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">(9,468,451)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">877,701,484 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">Fourth Quarter 2023</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">1,901,994 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">46,192 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">(186,567)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">879,463,103 </span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">Total 2023</span></div></td><td colspan="3" style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">4,844,795 </span></td><td style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">4,159,079 </span></td><td style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">(29,399,715)</span></td><td style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9.5pt;font-weight:400;line-height:100%">879,463,103 </span></td><td style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:0 1pt"></td></tr></table></div><div style="padding-left:18pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline">(a) </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Approximately $112 million of cash was received as a result of the exercise of common stock warrants and options.</span></div><div style="padding-left:18pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline">(b) </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Consisted of issuances for the 2015 long-term incentive plan, the OPC savings plan and the dividend reinvestment plan.</span></div><div style="padding-left:18pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline">(c) </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Included purchases of shares from the trustee of Occidental's defined contribution savings plan that are not part of publicly announced plans or programs.</span></div><div style="padding-left:18pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline">(d) </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2023, Occidental had 99.5 million outstanding warrants with a strike price of $22 per share and 83.9 million of warrants with a strike price of $59.62 per share.</span></div>
CY2023Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	3000000000	usd
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	899858944	shares
CY2023Q1	oxy	Warrants And Stock Options Exercises In Period WarrantsAndStockOptionsExercisesInPeriod	268371	shares
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod	3935166	shares
CY2023Q1	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	12511237	shares
CY2023Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	891551244	shares
CY2023Q2	oxy	Warrants And Stock Options Exercises In Period WarrantsAndStockOptionsExercisesInPeriod	205631	shares
CY2023Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod	158473	shares
CY2023Q2	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	7233460	shares
CY2023Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	884681888	shares
CY2023Q3	oxy	Warrants And Stock Options Exercises In Period WarrantsAndStockOptionsExercisesInPeriod	2468799	shares
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod	19248	shares
CY2023Q3	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	9468451	shares
CY2023Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	877701484	shares
CY2023Q4	oxy	Warrants And Stock Options Exercises In Period WarrantsAndStockOptionsExercisesInPeriod	1901994	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod	46192	shares
CY2023Q4	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	186567	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	879463103	shares
CY2023	oxy	Warrants And Stock Options Exercises In Period WarrantsAndStockOptionsExercisesInPeriod	4844795	shares
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod	4159079	shares
CY2023	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	29399715	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	879463103	shares
CY2023	oxy	Proceeds From Warrant And Stock Option Exercises ProceedsFromWarrantAndStockOptionExercises	112000000	usd
CY2023Q4	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	29100000	shares
CY2023Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	1800000000	usd
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	228100000	shares
CY2022Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	198700000	shares
CY2021Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	149300000	shares
CY2023	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	762000000	usd
CY2023	us-gaap	Preferred Stock Redemption Premium PreferredStockRedemptionPremium	151000000	usd
CY2023Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	8500000000	usd
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	100000	shares
CY2023	oxy	Preferred Stock Shares Redemptions PreferredStockSharesRedemptions	15103	shares
CY2023Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	84897	shares
CY2023	us-gaap	Redeemable Preferred Stock Dividends RedeemablePreferredStockDividends	736000000	usd
CY2023	us-gaap	Preferred Stock Redemption Premium PreferredStockRedemptionPremium	151000000	usd
CY2023	oxy	Redemption Value In Excess Of Carrying Amount RedemptionValueInExcessOfCarryingAmount	36000000	usd
CY2023	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	923000000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4696000000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	13304000000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2790000000	usd
CY2023	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	usd
CY2022	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	usd
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-468000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	4696000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	13304000000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	2322000000	usd
CY2023	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	923000000	usd
CY2022	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	800000000	usd
CY2021	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	800000000	usd
CY2023	oxy	Net Income Loss Attributable To Common Stockholders NetIncomeLossAttributableToCommonStockholders	3773000000	usd
CY2022	oxy	Net Income Loss Attributable To Common Stockholders NetIncomeLossAttributableToCommonStockholders	12504000000	usd
CY2021	oxy	Net Income Loss Attributable To Common Stockholders NetIncomeLossAttributableToCommonStockholders	1522000000	usd
CY2023	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	23000000	usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	83000000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	10000000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	3750000000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	12421000000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1512000000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	889200000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	926200000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	935000000.0	shares
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.22
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	13.41
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.62
CY2023	oxy	Net Income Loss Attributable To Common Stockholders NetIncomeLossAttributableToCommonStockholders	3773000000	usd
CY2022	oxy	Net Income Loss Attributable To Common Stockholders NetIncomeLossAttributableToCommonStockholders	12504000000	usd
CY2021	oxy	Net Income Loss Attributable To Common Stockholders NetIncomeLossAttributableToCommonStockholders	1522000000	usd
CY2023	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	21000000	usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	77000000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	10000000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	3752000000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	12427000000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1512000000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	889200000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	926200000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	935000000.0	shares
CY2023	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	71700000	shares
CY2022	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	75800000	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	23800000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	960900000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1002000000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	958800000	shares
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.90
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	12.40
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.58
CY2023	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	87000000	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	133000000	shares
CY2023Q4	oxy	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Awarded ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAwarded	14100000	shares
CY2023	oxy	Stock Issued During Period Number Of Shares Counted Against Issued Share Based Compensation StockIssuedDuringPeriodNumberOfSharesCountedAgainstIssuedShareBasedCompensation	3	shares
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	217000000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	258000000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	287000000	usd
CY2023	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	46000000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	54000000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	60000000	usd
CY2023Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	283000000	usd
CY2023	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y10M24D
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	9000000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	17000000	usd
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	58529000000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	58384000000	usd
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	59930000000	usd
CY2023	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	segment
CY2023	us-gaap	Revenues Revenues	28257000000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	6429000000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1733000000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4696000000	usd
CY2023Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	3224000000	usd
CY2023	us-gaap	Segment Expenditure Addition To Long Lived Assets SegmentExpenditureAdditionToLongLivedAssets	6368000000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6865000000	usd
CY2023Q4	us-gaap	Assets Assets	74008000000	usd
CY2022	us-gaap	Revenues Revenues	36634000000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	14117000000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	813000000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	13304000000	usd
CY2022Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	3176000000	usd
CY2022	us-gaap	Segment Expenditure Addition To Long Lived Assets SegmentExpenditureAdditionToLongLivedAssets	4566000000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6926000000	usd
CY2022Q4	us-gaap	Assets Assets	72609000000	usd
CY2021	us-gaap	Revenues Revenues	25956000000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3705000000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	915000000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2790000000	usd
CY2021Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	2938000000	usd
CY2021	us-gaap	Segment Expenditure Addition To Long Lived Assets SegmentExpenditureAdditionToLongLivedAssets	2931000000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	8447000000	usd
CY2021Q4	us-gaap	Assets Assets	75036000000	usd
CY2023	dei	Auditor Name AuditorName	KPMG LLP
CY2023	dei	Auditor Location AuditorLocation	Houston, TX
CY2023	dei	Auditor Firm AuditorFirmId	185

Files In Submission

Name	View Source	Status
0000797468-24-000034-index-headers.html	Edgar Link	pending
0000797468-24-000034-index.html	Edgar Link	pending
0000797468-24-000034.txt	Edgar Link	pending
0000797468-24-000034-xbrl.zip	Edgar Link	pending
exhibit2312023kpmgconsentl.htm	Edgar Link	pending
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exhibit312-10xk123123.htm	Edgar Link	pending
exhibit321-10xk123123.htm	Edgar Link	pending
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Financial_Report.xlsx	Edgar Link	pending
image_2.jpg	Edgar Link	pending
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oxy-20231231.xsd	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
oxy-20231231_lab.xml	Edgar Link	unprocessable

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$OXY
Occidental Petroleum Corp Stock $oxy

2024 Q1 Form 10-K Financial Statement

#000079746824000034 Filed on February 14, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OXY Occidental Petroleum Corp Stock $oxy

2024 Q1 Form 10-K Financial Statement

#000079746824000034 Filed on February 14, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OXY
Occidental Petroleum Corp Stock $oxy