$OXY
Occidental Petroleum Corp Stock $oxy

$oxy Overview Financials Valuation SEC Filings Company Website

2013 Q4 Form 10-K Financial Statement

#000079746814000011 Filed on March 03, 2014

Income Statement

Concept	2013 Q4	2013	2012 Q4
Revenue	$1.905B	$24.46B	$6.187B
YoY Change	-69.21%	1.17%	2.16%
Cost Of Revenue	-$3.034B	$7.562B	$3.169B
YoY Change	-195.74%	-3.6%	11.15%
Gross Profit	$4.939B	$16.89B	$3.018B
YoY Change	63.65%	3.46%	-5.83%
Gross Profit Margin	259.27%	69.08%	48.78%
Selling, General & Admin	$193.0M	$2.108B	$606.0M
YoY Change	-68.15%	12.19%	2.36%
% of Gross Profit	3.91%	12.48%	20.08%
Research & Development	-$56.00M	$140.0M	$82.00M
YoY Change	-168.29%	-28.93%	12.33%
% of Gross Profit	-1.13%	0.83%	2.72%
Depreciation & Amortization	$307.0M	$5.347B	$1.191B
YoY Change	-74.22%	18.53%	26.97%
% of Gross Profit	6.22%	31.65%	39.46%
Operating Expenses	$4.340B	$1.801B	$688.0M
YoY Change	530.81%	12.42%	3.46%
Operating Profit	$599.0M	$15.09B	$2.330B
YoY Change	-74.29%	2.49%	-8.27%
Interest Expense	$1.005B	$1.043B	-$36.00M
YoY Change	-2891.67%	-777.27%	16.13%
% of Operating Profit	167.78%	6.91%	-1.55%
Other Income/Expense, Net
YoY Change
Pretax Income	$983.0M	$9.282B	$543.0M
YoY Change	81.03%	25.6%	-78.36%
Income Tax	$432.0M	$3.755B	$249.0M
% Of Pretax Income	43.95%	40.45%	45.86%
Net Earnings	$1.643B	$5.903B	$336.0M
YoY Change	388.99%	28.38%	-79.44%
Net Earnings / Revenue	86.25%	24.14%	5.43%
Basic Earnings Per Share		$7.33
Diluted Earnings Per Share	$2.049M	$7.32	$416.0K
COMMON SHARES
Basic Shares Outstanding		804.1M shares
Diluted Shares Outstanding		804.6M shares

Balance Sheet

Concept	2013 Q4	2013	2012 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.393B	$3.393B	$1.592B
YoY Change	113.13%	113.13%	-57.89%
Cash & Equivalents	$3.393B	$3.393B	$1.592B
Short-Term Investments
Other Short-Term Assets	$1.056B	$1.056B	$1.640B
YoY Change	-35.61%	-35.61%	26.45%
Inventory	$1.200B	$1.200B	$1.344B
Prepaid Expenses
Receivables	$5.674B	$5.674B	$4.916B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$11.32B	$11.32B	$9.492B
YoY Change	19.29%	19.29%	-17.76%
LONG-TERM ASSETS
Property, Plant & Equipment	$55.82B	$55.82B	$52.06B
YoY Change	7.22%	7.22%	13.97%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$1.500B	$1.459B	$1.900B
YoY Change	-21.05%	-22.97%	-9.52%
Other Assets	$13.00M	$13.00M
YoY Change
Total Long-Term Assets	$58.12B	$58.12B	$54.72B
YoY Change	6.22%	6.22%	12.82%
TOTAL ASSETS
Total Short-Term Assets	$11.32B	$11.32B	$9.492B
Total Long-Term Assets	$58.12B	$58.12B	$54.72B
Total Assets	$69.44B	$69.44B	$64.21B
YoY Change	8.15%	8.15%	6.94%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$5.520B	$5.520B	$4.708B
YoY Change	17.25%	17.25%	-11.24%
Accrued Expenses	$2.556B	$2.145B	$1.966B
YoY Change	30.01%	9.1%	-22.38%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$0.00	$0.00	-$600.0M
YoY Change	-100.0%	-100.0%
Total Short-Term Liabilities	$8.434B	$8.434B	$7.290B
YoY Change	15.69%	15.69%	-8.27%
LONG-TERM LIABILITIES
Long-Term Debt	$6.939B	$6.939B	$7.023B
YoY Change	-1.2%	-1.2%	19.62%
Other Long-Term Liabilities	$3.501B	$3.501B	$3.810B
YoY Change	-8.11%	-8.11%	1.33%
Total Long-Term Liabilities	$10.44B	$10.44B	$10.83B
YoY Change	-3.63%	-3.63%	12.48%
TOTAL LIABILITIES
Total Short-Term Liabilities	$8.434B	$8.434B	$7.290B
Total Long-Term Liabilities	$10.44B	$10.44B	$10.83B
Total Liabilities	$18.87B	$26.32B	$18.12B
YoY Change	4.14%	8.77%	3.1%
SHAREHOLDERS EQUITY
Retained Earnings	$41.83B		$37.99B
YoY Change	10.11%		8.1%
Common Stock	$7.693B		$7.619B
YoY Change	0.97%		2.09%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$6.095B		$5.091B
YoY Change	19.72%		13.08%
Treasury Stock Shares	93.93M shares		83.29M shares
Shareholders Equity	$43.13B	$43.13B	$40.02B
YoY Change
Total Liabilities & Shareholders Equity	$69.44B	$69.44B	$64.21B
YoY Change	8.15%	8.15%	6.94%

Cashflow Statement

Concept	2013 Q4	2013	2012 Q4
OPERATING ACTIVITIES
Net Income	$1.643B	$5.903B	$336.0M
YoY Change	388.99%	28.38%	-79.44%
Depreciation, Depletion And Amortization	$307.0M	$5.347B	$1.191B
YoY Change	-74.22%	18.53%	26.97%
Cash From Operating Activities	$2.992B	$12.93B	$2.813B
YoY Change	6.36%	14.28%	-22.78%
INVESTING ACTIVITIES
Capital Expenditures	-$806.0M	$9.037B	-$2.510B
YoY Change	-67.89%	-11.63%	-1.53%
Acquisitions
YoY Change
Other Investing Activities	-$618.0M	$132.0M	-$1.274B
YoY Change	-51.49%	-331.58%	47.11%
Cash From Investing Activities	-$1.424B	-$8.193B	-$3.784B
YoY Change	-62.37%	-35.26%	10.81%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$913.0M
YoY Change		83.33%
Debt Paid & Issued, Net		$690.0M
YoY Change
Cash From Financing Activities	-1.946B	-$2.933B	-1.197B
YoY Change	62.57%	246.69%	146.3%
NET CHANGE
Cash From Operating Activities	2.992B	$12.93B	2.813B
Cash From Investing Activities	-1.424B	-$8.193B	-3.784B
Cash From Financing Activities	-1.946B	-$2.933B	-1.197B
Net Change In Cash	-378.0M	$1.801B	-2.168B
YoY Change	-82.56%	-182.28%	740.31%
FREE CASH FLOW
Cash From Operating Activities	$2.992B	$12.93B	$2.813B
Capital Expenditures	-$806.0M	$9.037B	-$2.510B
Free Cash Flow	$3.798B	$3.890B	$5.323B
YoY Change	-28.65%	258.2%	-14.03%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	888801436	shares
CY2013Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	889919058	shares
CY2013	oxy	Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Foreign Countries1 EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries1	8200000000	USD
CY2013Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	2900000000	USD
CY2012Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	1000000000	USD
CY2013	us-gaap	Interest Paid InterestPaid	238000000	USD
CY2013Q4	oxy	Entity Wide Disclosure On Geographic Areas Assets In Foreign Countries EntityWideDisclosureOnGeographicAreasAssetsInForeignCountries	13700000000	USD
CY2013Q4	us-gaap	Capitalized Costs Mineral Interests In Unproved Properties CapitalizedCostsMineralInterestsInUnprovedProperties	3600000000	USD
CY2011Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	189000000	USD
CY2012Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	124000000	USD
CY2010Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	77000000	USD
CY2013Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	140000000	USD
CY2011	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	333000000	USD
CY2013	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	337000000	USD
CY2012	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	400000000	USD
CY2011	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	201000000	USD
CY2013	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	271000000	USD
CY2012	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	389000000	USD
CY2011	us-gaap	Capitalized Exploratory Well Cost Charged To Expense CapitalizedExploratoryWellCostChargedToExpense	20000000	USD
CY2013	us-gaap	Capitalized Exploratory Well Cost Charged To Expense CapitalizedExploratoryWellCostChargedToExpense	50000000	USD
CY2012	us-gaap	Capitalized Exploratory Well Cost Charged To Expense CapitalizedExploratoryWellCostChargedToExpense	76000000	USD
CY2013Q4	oxy	Significant Components Of Accrued Liabilities SignificantComponentsOfAccruedLiabilities	459000000	USD
CY2012Q4	oxy	Significant Components Of Accrued Liabilities SignificantComponentsOfAccruedLiabilities	385000000	USD
CY2013	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
CY2013Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	1283000000	USD
CY2012Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	1212000000	USD
CY2011Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1089000000	USD
CY2012Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1266000000	USD
CY2013Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1332000000	USD
CY2013	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	101000000	USD
CY2012	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	86000000	USD
CY2013	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	72000000	USD
CY2012	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	58000000	USD
CY2013	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	-68000000	USD
CY2012	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	-61000000	USD
CY2013	oxy	Asset Retirement Obligation Acquisitions And Other AssetRetirementObligationAcquisitionsAndOther	-10000000	USD
CY2012	oxy	Asset Retirement Obligation Acquisitions And Other AssetRetirementObligationAcquisitionsAndOther	50000000	USD
CY2013	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-21000000	USD
CY2012	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	38000000	USD
CY2011	us-gaap	Interest Paid InterestPaid	315000000	USD
CY2012	us-gaap	Interest Paid InterestPaid	190000000	USD
CY2012Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	70000000	USD
CY2012Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	612000000	USD
CY2012Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	763000000	USD
CY2012Q4	us-gaap	Inventory Gross InventoryGross	1445000000	USD
CY2012Q4	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	101000000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3393000000	USD
CY2013Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	74000000	USD
CY2013Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	628000000	USD
CY2013Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	589000000	USD
CY2013Q4	us-gaap	Inventory Gross InventoryGross	1291000000	USD
CY2013Q4	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	91000000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1592000000	USD
CY2012Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	7654000000	USD
CY2013Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	6964000000	USD
CY2012Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	31000000	USD
CY2013Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	25000000	USD
CY2012Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	-600000000	USD
CY2013Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	5674000000	USD
CY2012Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	4916000000	USD
CY2013Q4	us-gaap	Inventory Net InventoryNet	1200000000	USD
CY2011Q1	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-163000000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	1500000000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	1200000000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	500000000	USD
CY2013Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	3800000000	USD
CY2013Q4	us-gaap	Long Term Debt LongTermDebt	7000000000	USD
CY2013Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	7100000000	USD
CY2012Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	8200000000	USD
CY2013Q4	oxy	Variable Rate Debt As Percentage Of Long Term Debt Gross VariableRateDebtAsPercentageOfLongTermDebtGross	0.01	pure
CY2012Q4	oxy	Variable Rate Debt As Percentage Of Long Term Debt Gross VariableRateDebtAsPercentageOfLongTermDebtGross	0.01	pure
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	141000000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	122000000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	97000000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	89000000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	128000000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	589000000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	1166000000	USD
CY2013Q4	oxy	Future Minimum Sublease Rentals To Be Received Within One Year FutureMinimumSubleaseRentalsToBeReceivedWithinOneYear	3000000	USD
CY2011	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	179000000	USD
CY2013	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	204000000	USD
CY2012	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	176000000	USD
CY2011	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	4000000	USD
CY2013	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	3000000	USD
CY2012	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	4000000	USD
CY2011Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2013Q4	oxy	Natural Gas Held In Storage NaturalGasHeldInStorage	11000000000
CY2012Q4	oxy	Natural Gas Held In Storage NaturalGasHeldInStorage	20000000000
CY2013Q4	oxy	Designated Forecast Sale Of Natural Gas As Cash Flow Hedges DesignatedForecastSaleOfNaturalGasAsCashFlowHedges	13000000000
CY2012Q4	oxy	Designated Forecast Sale Of Natural Gas As Cash Flow Hedges DesignatedForecastSaleOfNaturalGasAsCashFlowHedges	20000000000
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	1000000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-14000000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-7000000	USD
CY2013	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	2000000	USD
CY2012	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-25000000	USD
CY2011	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-11000000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-3000000	USD
CY2013	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	11000000	USD
CY2012	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	49000000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	16000000	USD
CY2013Q4	oxy	Derivative Fair Value Of Derivative Asset Amount Offset Against Counterparty Netting And Cash Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCounterpartyNettingAndCashCollateral	329000000	USD
CY2012Q4	oxy	Derivative Fair Value Of Derivative Asset Amount Offset Against Counterparty Netting And Cash Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCounterpartyNettingAndCashCollateral	301000000	USD
CY2013Q4	oxy	Derivative Fair Value Of Derivative Liability Amount Offset Against Counterparty Netting And Cash Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCounterpartyNettingAndCashCollateral	364000000	USD
CY2012Q4	oxy	Derivative Fair Value Of Derivative Liability Amount Offset Against Counterparty Netting And Cash Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCounterpartyNettingAndCashCollateral	371000000	USD
CY2013Q4	us-gaap	Derivative Assets DerivativeAssets	51000000	USD
CY2012Q4	us-gaap	Derivative Assets DerivativeAssets	118000000	USD
CY2013Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	58000000	USD
CY2012Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	126000000	USD
CY2013Q4	oxy	Payables In Respect Of Collateral Received Net PayablesInRespectOfCollateralReceivedNet	11000000	USD
CY2013Q4	oxy	Receivables In Respect Of Collateral Paid Net ReceivablesInRespectOfCollateralPaidNet	46000000	USD
CY2012Q4	oxy	Payables In Respect Of Collateral Received Net PayablesInRespectOfCollateralReceivedNet	25000000	USD
CY2012Q4	oxy	Receivables In Respect Of Collateral Paid Net ReceivablesInRespectOfCollateralPaidNet	95000000	USD
CY2013Q4	oxy	Collateral Deposited With Clearing Houses And Brokers CollateralDepositedWithClearingHousesAndBrokers	103000000	USD
CY2012Q4	oxy	Collateral Deposited With Clearing Houses And Brokers CollateralDepositedWithClearingHousesAndBrokers	116000000	USD
CY2013Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	8000000	USD
CY2012Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	34000000	USD
CY2013Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	23000000	USD
CY2012Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	64000000	USD
CY2013Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	78000000	USD
CY2012Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	80000000	USD
CY2011Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	79000000	USD
CY2013Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	252000000	USD
CY2012Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	264000000	USD
CY2011Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	281000000	USD
CY2012Q4	oxy	Environmental Remediation Sites Number EnvironmentalRemediationSitesNumber	161	site
CY2011Q4	oxy	Environmental Remediation Sites Number EnvironmentalRemediationSitesNumber	160	site
CY2013Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	330000000	USD
CY2012Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	344000000	USD
CY2011Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	360000000	USD
CY2013Q4	oxy	Environmental Reserves Exceeding Ten Million Threshold Value Site Category EnvironmentalReservesExceedingTenMillionThresholdValueSiteCategory	10000000	USD
CY2013Q4	oxy	Environmental Reserves Exceeding Ten Million Site Category Number Of Sites EnvironmentalReservesExceedingTenMillionSiteCategoryNumberOfSites	10	site
CY2013Q4	oxy	Environmental Reserves Range Between Zero To One Million Site Category Number Of Sites EnvironmentalReservesRangeBetweenZeroToOneMillionSiteCategoryNumberOfSites	108	site
CY2013	oxy	Minimum Period Of Expending Second Half Of Environmental Reserves MinimumPeriodOfExpendingSecondHalfOfEnvironmentalReserves	P10Y
CY2013Q4	oxy	Environmental Remediation Possible Additional Loss Beyond Accruals EnvironmentalRemediationPossibleAdditionalLossBeyondAccruals	380000000	USD
CY2013	oxy	Environmental Costs Operating Expense EnvironmentalCostsOperatingExpense	229000000	USD
CY2012	oxy	Environmental Costs Operating Expense EnvironmentalCostsOperatingExpense	250000000	USD
CY2011	oxy	Environmental Costs Operating Expense EnvironmentalCostsOperatingExpense	247000000	USD
CY2013	oxy	Environmental Costs Capital Expenditures EnvironmentalCostsCapitalExpenditures	118000000	USD
CY2012	oxy	Environmental Costs Capital Expenditures EnvironmentalCostsCapitalExpenditures	152000000	USD
CY2011	oxy	Environmental Costs Capital Expenditures EnvironmentalCostsCapitalExpenditures	140000000	USD
CY2013	oxy	Environmental Remediation Expenses And Interest Accretion EnvironmentalRemediationExpensesAndInterestAccretion	60000000	USD
CY2012	oxy	Environmental Remediation Expenses And Interest Accretion EnvironmentalRemediationExpensesAndInterestAccretion	56000000	USD
CY2011	oxy	Environmental Remediation Expenses And Interest Accretion EnvironmentalRemediationExpensesAndInterestAccretion	53000000	USD
CY2011	us-gaap	Accrual For Environmental Loss Contingencies Increase Decrease For Acquisitions And Divestitures AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsAndDivestitures	14000000	USD
CY2013	us-gaap	Accrual For Environmental Loss Contingencies Payments AccrualForEnvironmentalLossContingenciesPayments	74000000	USD
CY2012	us-gaap	Accrual For Environmental Loss Contingencies Payments AccrualForEnvironmentalLossContingenciesPayments	72000000	USD
CY2011	us-gaap	Accrual For Environmental Loss Contingencies Payments AccrualForEnvironmentalLossContingenciesPayments	73000000	USD
CY2013	oxy	Income Loss From Continuing Operations Before Income Taxes After Income Loss From Equity Method Investments Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesAfterIncomeLossFromEquityMethodInvestmentsForeign	4747000000	USD
CY2012	oxy	Income Loss From Continuing Operations Before Income Taxes After Income Loss From Equity Method Investments Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesAfterIncomeLossFromEquityMethodInvestmentsForeign	5636000000	USD
CY2011	oxy	Income Loss From Continuing Operations Before Income Taxes After Income Loss From Equity Method Investments Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesAfterIncomeLossFromEquityMethodInvestmentsForeign	6035000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	8670000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	7828000000	USD
CY2013	us-gaap	Sales Revenue Net SalesRevenueNet	24455000000	USD
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	361000000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-401000000	USD
CY2011	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	320000000	USD
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	37000000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	8000000	USD
CY2011	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	88000000	USD
CY2013	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2170000000	USD
CY2012	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2383000000	USD
CY2011	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2357000000	USD
CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2568000000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1990000000	USD
CY2011	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2765000000	USD
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1145000000	USD
CY2012	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1046000000	USD
CY2011	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1340000000	USD
CY2013	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	59000000	USD
CY2012	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	41000000	USD
CY2011	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	47000000	USD
CY2013	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-17000000	USD
CY2012	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	41000000	USD
CY2011	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	49000000	USD
CY2013	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	1506000000	USD
CY2012	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	645000000	USD
CY2011	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	1660000000	USD
CY2013	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	96000000	USD
CY2012	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	49000000	USD
CY2011	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	135000000	USD
CY2013	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	2153000000	USD
CY2012	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	2424000000	USD
CY2011	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	2406000000	USD
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2011	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.04	pure
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.05	pure
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.04	pure
CY2013	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.01	pure
CY2012	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.01	pure
CY2011	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.01	pure
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.01	pure
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.01	pure
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.01	pure
CY2013	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.39	pure
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.40	pure
CY2011	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.39	pure
CY2013Q4	oxy	Deferred Tax Assets Environmental Reserves DeferredTaxAssetsEnvironmentalReserves	121000000	USD
CY2012Q4	oxy	Deferred Tax Assets Environmental Reserves DeferredTaxAssetsEnvironmentalReserves	126000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	376000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	413000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	222000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	278000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations	407000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations	367000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	1091000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	1277000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	195000000	USD
CY2013Q4	oxy	Deferred Tax Assets Tax Credit Carryforwards State DeferredTaxAssetsTaxCreditCarryforwardsState	136000000	USD
CY2012Q4	oxy	Deferred Tax Assets Tax Credit Carryforwards State DeferredTaxAssetsTaxCreditCarryforwardsState	89000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	344000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	334000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	2697000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	3079000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	1074000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	1040000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1623000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	2039000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	8363000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	7316000000	USD
CY2013Q4	oxy	Deferred Tax Liabilities Equity Investments Partnerships And Foreign Subsidiaries DeferredTaxLiabilitiesEquityInvestmentsPartnershipsAndForeignSubsidiaries	225000000	USD
CY2012Q4	oxy	Deferred Tax Liabilities Equity Investments Partnerships And Foreign Subsidiaries DeferredTaxLiabilitiesEquityInvestmentsPartnershipsAndForeignSubsidiaries	351000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	82000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	161000000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	61000000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	6000000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	8000000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	14000000	USD
CY2013	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	9000000	USD
CY2012	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	7000000	USD
CY2011	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	86000000	USD
CY2013Q4	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Undistributed Earnings Of Foreign Subsidiaries DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityUndistributedEarningsOfForeignSubsidiaries	134000000	USD
CY2013Q4	oxy	Unremitted Foreign Earnings UnremittedForeignEarnings	10600000000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	61000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	76000000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	16000000	USD
CY2013	oxy	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions And Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositionsAndSettlementsWithTaxingAuthorities	15000000	USD
CY2012	oxy	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions And Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositionsAndSettlementsWithTaxingAuthorities	7000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	150000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	250000000	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-19000000	USD
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-37000000	USD
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	131000000	USD
CY2012	us-gaap	Sales Revenue Net SalesRevenueNet	24172000000	USD
CY2011	us-gaap	Sales Revenue Net SalesRevenueNet	23939000000	USD
CY2010Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	885275000	shares
CY2011Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	886809000	shares
CY2011	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	1302000	shares
CY2012	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	1746000	shares
CY2013	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	5347000000	USD
CY2011Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2013	oxy	Interest Dividends And Other Income InterestDividendsAndOtherIncome	106000000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	4511000000	USD
CY2013	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	826000	shares
CY2011	oxy	Stock Issued During Period Shares Stock Options Exercised And Other StockIssuedDuringPeriodSharesStockOptionsExercisedAndOther	232000	shares
CY2012	oxy	Stock Issued During Period Shares Stock Options Exercised And Other StockIssuedDuringPeriodSharesStockOptionsExercisedAndOther	246000	shares
CY2013	oxy	Stock Issued During Period Shares Stock Options Exercised And Other StockIssuedDuringPeriodSharesStockOptionsExercisedAndOther	292000	shares
CY2013	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	10300000	shares
CY2012	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	7200000	shares
CY2012	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	77.98
CY2013	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	94.42
CY2013Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	93928179	shares
CY2012Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	83287187	shares
CY2011Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	75800000	shares
CY2013Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2013Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2012Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2012Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2013Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2012Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2012	oxy	Interest Dividends And Other Income InterestDividendsAndOtherIncome	81000000	USD
CY2011	oxy	Interest Dividends And Other Income InterestDividendsAndOtherIncome	180000000	USD
CY2013	oxy	Revenues Operating And Nonoperating RevenuesOperatingAndNonoperating	25736000000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-34000000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-5000000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	284000000	USD
CY2012	oxy	Revenues Operating And Nonoperating RevenuesOperatingAndNonoperating	24253000000	USD
CY2011	oxy	Revenues Operating And Nonoperating RevenuesOperatingAndNonoperating	24119000000	USD
CY2013	us-gaap	Cost Of Goods Sold Excluding Depreciation Depletion And Amortization CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization	7562000000	USD
CY2012	us-gaap	Cost Of Goods Sold Excluding Depreciation Depletion And Amortization CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization	7844000000	USD
CY2012Q4	us-gaap	Inventory Net InventoryNet	1344000000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	461000000	USD
CY2011	us-gaap	Cost Of Goods Sold Excluding Depreciation Depletion And Amortization CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization	7385000000	USD
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	5890000000	USD
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	804100000	shares
CY2013	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	500000	shares
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	804600000	shares
CY2012	us-gaap	Operating Expenses OperatingExpenses	1602000000	USD
CY2013	us-gaap	Operating Expenses OperatingExpenses	1801000000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4590000000	USD
CY2011	us-gaap	Operating Expenses OperatingExpenses	1523000000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	6760000000	USD
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	809300000	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	812100000	shares
CY2012	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	700000	shares
CY2011	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	800000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	810000000	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	812900000	shares
CY2013Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	205000000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y
CY2011	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3591000000	USD
CY2013Q4	oxy	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized For Issuance Under Long Term Incentive Plans ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedForIssuanceUnderLongTermIncentivePlans	66000000	shares
CY2013Q4	us-gaap	Other Assets Current OtherAssetsCurrent	1056000000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1187000000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1128000000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod	16000000	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	20000000	shares
CY2013	oxy	Stock Issued During Period Number Of Shares Counted Against Issued Share Based Compensation StockIssuedDuringPeriodNumberOfSharesCountedAgainstIssuedShareBasedCompensation	3	shares
CY2013	oxy	Number Of Times As Applicable That Shares Fail To Vest Or Are Forfeited Or Cancelled Or Correspond To The Portion Of Any Stock Based Awards Settled In Cash NumberOfTimesAsApplicableThatSharesFailToVestOrAreForfeitedOrCancelledOrCorrespondToThePortionOfAnyStockBasedAwardsSettledInCash	3	item
CY2013Q4	oxy	Share Based Compensation By Share Based Payment Award Restricted Stock Granted To Nonemployee Directors ShareBasedCompensationByShareBasedPaymentAwardRestrictedStockGrantedToNonemployeeDirectors	37100	shares
CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	152000000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	55000000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	24000000	USD
CY2013	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	96000000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	83000000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	78000000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	29000000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	18000000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	83000000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	28000000	USD
CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	110000000	USD
CY2011	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	40000000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	21000000	USD
CY2011	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	124000000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	53000000	USD
CY2013Q4	oxy	Supplemental Retirement Plan Supplemental Retirement Plan Accrued Liabilities SupplementalRetirementPlanSupplementalRetirementPlanAccruedLiabilities	166000000	USD
CY2012Q4	oxy	Supplemental Retirement Plan Supplemental Retirement Plan Accrued Liabilities SupplementalRetirementPlanSupplementalRetirementPlanAccruedLiabilities	145000000	USD
CY2013	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	140000000	USD
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	137000000	USD
CY2011	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	110000000	USD
CY2013	us-gaap	Other Postretirement Benefit Expense OtherPostretirementBenefitExpense	229000000	USD
CY2012	us-gaap	Other Postretirement Benefit Expense OtherPostretirementBenefitExpense	218000000	USD
CY2011	us-gaap	Other Postretirement Benefit Expense OtherPostretirementBenefitExpense	194000000	USD
CY2013Q2	oxy	Post Employment Benefit Charge PostEmploymentBenefitCharge	55000000	USD
CY2012Q4	us-gaap	Equity Method Investments EquityMethodInvestments	1900000000	USD
CY2013Q4	us-gaap	Equity Method Investments EquityMethodInvestments	1500000000	USD
CY2011	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	10000000	USD
CY2012	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	8000000	USD
CY2011	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	392000000	USD
CY2012	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	419000000	USD
CY2013	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	663000000	USD
CY2011	us-gaap	Related Party Transaction Other Revenues From Transactions With Related Party RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty	10000000	USD
CY2012	us-gaap	Related Party Transaction Other Revenues From Transactions With Related Party RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty	17000000	USD
CY2013	us-gaap	Related Party Transaction Other Revenues From Transactions With Related Party RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty	30000000	USD
CY2013Q4	us-gaap	Due From Related Parties DueFromRelatedParties	67000000	USD
CY2011Q4	us-gaap	Due From Related Parties DueFromRelatedParties	32000000	USD
CY2012Q4	us-gaap	Due From Related Parties DueFromRelatedParties	25000000	USD
CY2013Q4	us-gaap	Due To Related Parties Current And Noncurrent DueToRelatedPartiesCurrentAndNoncurrent	3000000	USD
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CY2013	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	447000000	USD
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CY2012	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	2667000000	USD
CY2013	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	3373000000	USD
CY2011	us-gaap	Equity Method Investment Summarized Financial Information Cost Of Sales EquityMethodInvestmentSummarizedFinancialInformationCostOfSales	2046000000	USD
CY2012	us-gaap	Equity Method Investment Summarized Financial Information Cost Of Sales EquityMethodInvestmentSummarizedFinancialInformationCostOfSales	2310000000	USD
CY2013	us-gaap	Equity Method Investment Summarized Financial Information Cost Of Sales EquityMethodInvestmentSummarizedFinancialInformationCostOfSales	2987000000	USD
CY2011	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	393000000	USD
CY2012	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	357000000	USD
CY2013	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	386000000	USD
CY2013Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Assets EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets	1813000000	USD
CY2012Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Assets EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets	2242000000	USD
CY2013Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Assets EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets	4412000000	USD
CY2012Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Assets EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets	5449000000	USD
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CY2012Q4	oxy	Equity Method Investment Summarized Financial Information Long Term Debt EquityMethodInvestmentSummarizedFinancialInformationLongTermDebt	2833000000	USD
CY2013Q4	oxy	Equity Method Investment Summarized Financial Information Long Term Debt EquityMethodInvestmentSummarizedFinancialInformationLongTermDebt	2506000000	USD
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CY2013Q4	oxy	Equity Method Investment Summarized Financial Information Noncurrent Liabilities Other Than Long Term Debt EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilitiesOtherThanLongTermDebt	163000000	USD
CY2013Q4	us-gaap	Equity Method Investment Summarized Financial Information Equity Or Capital EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital	2248000000	USD
CY2012Q4	us-gaap	Equity Method Investment Summarized Financial Information Equity Or Capital EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital	2811000000	USD
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1436000000	USD
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CY2012	us-gaap	Other Noncash Expense OtherNoncashExpense	195000000	USD
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CY2012	oxy	Income Loss From Continuing Operations Before Income Taxes After Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesAfterIncomeLossFromEquityMethodInvestments	7753000000	USD
CY2013	oxy	Income Loss From Continuing Operations Before Income Taxes After Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesAfterIncomeLossFromEquityMethodInvestments	9677000000	USD
CY2011Q4	us-gaap	Long Term Investments LongTermInvestments	2072000000	USD
CY2012Q4	us-gaap	Other Assets Current OtherAssetsCurrent	1640000000	USD
CY2013Q4	us-gaap	Assets Current AssetsCurrent	11323000000	USD
CY2012Q4	us-gaap	Assets Current AssetsCurrent	9492000000	USD
CY2012	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	10350000000	USD
CY2011	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	7604000000	USD
CY2013	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	9188000000	USD
CY2013	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	749000000	USD
CY2012	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	680000000	USD
CY2011	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	605000000	USD
CY2011Q4	us-gaap	Assets Assets	60044000000	USD
CY2013Q4	us-gaap	Long Term Investments LongTermInvestments	1459000000	USD
CY2013Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	5520000000	USD
CY2012Q4	us-gaap	Long Term Investments LongTermInvestments	1894000000	USD
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CY2013Q4	oxy	Property Plant And Equipment Gross Oil And Gas Segment Successful Efforts Method PropertyPlantAndEquipmentGrossOilAndGasSegmentSuccessfulEffortsMethod	72367000000	USD
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CY2012Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	573000000	USD
CY2011Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	558000000	USD
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CY2013Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	496000000	USD
CY2012	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	113000000	USD
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CY2013	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	63000000	USD
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CY2011	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	105000000	USD
CY2012	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	98000000	USD
CY2013	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	144000000	USD
CY2013	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2013Q2	dei	Entity Public Float EntityPublicFloat	70600000000	USD
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CY2011Q4	oxy	Valuation Allowances And Reserves Current ValuationAllowancesAndReservesCurrent	100000000	USD
CY2012Q4	oxy	Valuation Allowances And Reserves Current ValuationAllowancesAndReservesCurrent	98000000	USD
CY2013Q4	oxy	Valuation Allowances And Reserves Current ValuationAllowancesAndReservesCurrent	101000000	USD
CY2013	dei	Entity Registrant Name EntityRegistrantName	OCCIDENTAL PETROLEUM CORP /DE/
CY2013	dei	Entity Central Index Key EntityCentralIndexKey	0000797468
CY2013	dei	Document Type DocumentType	10-K
CY2013	dei	Document Period End Date DocumentPeriodEndDate	2013-12-31
CY2013	dei	Amendment Flag AmendmentFlag	false
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CY2013	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
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CY2013	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2013	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
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CY2012Q4	us-gaap	Assets Assets	64210000000	USD
CY2012Q4	us-gaap	Debt Current DebtCurrent	600000000	USD
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CY2013Q4	oxy	Property Plant And Equipment Gross Corporate PropertyPlantAndEquipmentGrossCorporate	1555000000	USD
CY2012Q4	oxy	Property Plant And Equipment Gross Corporate PropertyPlantAndEquipmentGrossCorporate	1434000000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	89052000000	USD
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CY2013Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	55821000000	USD
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CY2013Q4	us-gaap	Common Stock Value CommonStockValue	178000000	USD
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CY2013	us-gaap	Interest And Debt Expense InterestAndDebtExpense	118000000	USD
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CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3755000000	USD
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CY2012	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	4635000000	USD
CY2013	us-gaap	Cost Of Goods And Services Sold Depreciation And Amortization CostOfGoodsAndServicesSoldDepreciationAndAmortization	5341000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	6640000000	USD
CY2011	us-gaap	Other Noncash Expense OtherNoncashExpense	190000000	USD
CY2013Q4	us-gaap	Treasury Stock Value TreasuryStockValue	6095000000	USD
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CY2012	us-gaap	Net Income Loss NetIncomeLoss	4598000000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	6771000000	USD
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CY2012	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	11348000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	12306000000	USD
CY2013	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-56000000	USD
CY2012	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-36000000	USD
CY2011	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-25000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	12927000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	11312000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	12281000000	USD
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9037000000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	10226000000	USD
CY2011	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7518000000	USD
CY2013	oxy	Purchase Of Assets Net PurchaseOfAssetsNet	643000000	USD
CY2012	oxy	Purchase Of Assets Net PurchaseOfAssetsNet	2490000000	USD
CY2011	oxy	Purchase Of Assets Net PurchaseOfAssetsNet	4909000000	USD
CY2013	oxy	Proceeds From Divestiture Of Businesses And Sale Of Property Plant And Equipment Net ProceedsFromDivestitureOfBusinessesAndSaleOfPropertyPlantAndEquipmentNet	1619000000	USD
CY2012	oxy	Proceeds From Divestiture Of Businesses And Sale Of Property Plant And Equipment Net ProceedsFromDivestitureOfBusinessesAndSaleOfPropertyPlantAndEquipmentNet	4000000	USD
CY2011	oxy	Proceeds From Divestiture Of Businesses And Sale Of Property Plant And Equipment Net ProceedsFromDivestitureOfBusinessesAndSaleOfPropertyPlantAndEquipmentNet	50000000	USD
CY2013	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	132000000	USD
CY2012	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-57000000	USD
CY2011	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	96000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-8193000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-12655000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-12473000000	USD
CY2011	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	2570000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-8193000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-12655000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-9903000000	USD
CY2013	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	690000000	USD
CY2011	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1523000000	USD
CY2012	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1736000000	USD
CY2011	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2111000000	USD
CY2013	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	30000000	USD
CY2012	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	85000000	USD
CY2011	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	50000000	USD
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	943000000	USD
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	583000000	USD
CY2011	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	274000000	USD
CY2013	oxy	Contributions From Distributions To Noncontrolling Interest ContributionsFromDistributionsToNoncontrollingInterest	214000000	USD
CY2012	oxy	Contributions From Distributions To Noncontrolling Interest ContributionsFromDistributionsToNoncontrollingInterest	32000000	USD
CY2011	oxy	Contributions From Distributions To Noncontrolling Interest ContributionsFromDistributionsToNoncontrollingInterest	-121000000	USD
CY2013	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1553000000	USD
CY2013Q4	us-gaap	Lifo Inventory Amount LIFOInventoryAmount	205000000	USD
CY2012Q4	us-gaap	Lifo Inventory Amount LIFOInventoryAmount	185000000	USD
CY2013	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2012	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2011	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2013	us-gaap	Undistributed Earnings Allocated To Participating Securities UndistributedEarningsAllocatedToParticipatingSecurities	13000000	USD
CY2012	us-gaap	Undistributed Earnings Allocated To Participating Securities UndistributedEarningsAllocatedToParticipatingSecurities	8000000	USD
CY2011	us-gaap	Undistributed Earnings Allocated To Participating Securities UndistributedEarningsAllocatedToParticipatingSecurities	11000000	USD
CY2013Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2010Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	366000000	USD
CY2013	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012	oxy	Income Loss From Continuing Operations Before Income Taxes After Income Loss From Equity Method Investments Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesAfterIncomeLossFromEquityMethodInvestmentsDomestic	2117000000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	67000000	USD
CY2012	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1750000000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3781000000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2578000000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	45684000000	USD
CY2013Q4	oxy	Environmental Remediation Sites Number EnvironmentalRemediationSitesNumber	157	site
CY2013	oxy	Time Period For Expensing Costs Of Exploratory Wells If Determination Of Proved Reserves Not Made TimePeriodForExpensingCostsOfExploratoryWellsIfDeterminationOfProvedReservesNotMade	P12M
CY2012Q4	us-gaap	Treasury Stock Value TreasuryStockValue	5091000000	USD
CY2012	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	2128000000	USD
CY2013	oxy	Income Loss From Continuing Operations Before Income Taxes After Income Loss From Equity Method Investments Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesAfterIncomeLossFromEquityMethodInvestmentsDomestic	4930000000	USD
CY2011	oxy	Income Loss From Continuing Operations Before Income Taxes After Income Loss From Equity Method Investments Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesAfterIncomeLossFromEquityMethodInvestmentsDomestic	4806000000	USD
CY2012	oxy	Time Period For Expensing Costs Of Exploratory Wells If Determination Of Proved Reserves Not Made TimePeriodForExpensingCostsOfExploratoryWellsIfDeterminationOfProvedReservesNotMade	P12M
CY2011	oxy	Time Period For Expensing Costs Of Exploratory Wells If Determination Of Proved Reserves Not Made TimePeriodForExpensingCostsOfExploratoryWellsIfDeterminationOfProvedReservesNotMade	P12M
CY2012	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
CY2011	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
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	6102000000	USD
CY2011Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2013Q4	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	95000000	shares
CY2013Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	7515000000	USD
CY2012Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	7441000000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	41831000000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	37990000000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-303000000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-502000000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	43126000000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	40016000000	USD
CY2013Q4	us-gaap	Minority Interest MinorityInterest	246000000	USD
CY2012Q4	us-gaap	Minority Interest MinorityInterest	32000000	USD
CY2013Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	43372000000	USD
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	40048000000	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	69443000000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	64210000000	USD
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.04
CY2011	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.16
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.32
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.67
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	8.32
CY2013	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.56
CY2012	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.16
CY2011	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.84
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	4579000000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	6812000000	USD
CY2011	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1436000000	USD
CY2013	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	9000000	USD
CY2012	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	12000000	USD
CY2011	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	18000000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2933000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-846000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1175000000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	1801000000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-2189000000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	1203000000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	-28000000	USD

Files In Submission

Name	View Source	Status
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0000797468-14-000011-index.html	Edgar Link	pending
0000797468-14-000011.txt	Edgar Link	pending
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$OXY
Occidental Petroleum Corp Stock $oxy

2013 Q4 Form 10-K Financial Statement

#000079746814000011 Filed on March 03, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OXY Occidental Petroleum Corp Stock $oxy

2013 Q4 Form 10-K Financial Statement

#000079746814000011 Filed on March 03, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OXY
Occidental Petroleum Corp Stock $oxy