$OXY
Occidental Petroleum Corp Stock $oxy

$oxy Overview Financials Valuation SEC Filings Company Website

2011 Q4 Form 10-K Financial Statement

#000079746813000011 Filed on February 26, 2013

Income Statement

Concept	2011 Q4	2010 Q4	2010
Revenue	$6.056B	$5.086B	$19.05B
YoY Change	19.07%	11.05%	27.46%
Cost Of Revenue	$2.851B	$2.377B	$6.112B
YoY Change	19.94%	35.83%	19.73%
Gross Profit	$3.205B	$2.709B	$13.05B
YoY Change	18.31%	-4.28%	32.61%
Gross Profit Margin	52.92%	53.26%	68.5%
Selling, General & Admin	$592.0M	$616.0M	$1.880B
YoY Change	-3.9%	-35.9%	8.99%
% of Gross Profit	18.47%	22.74%	14.41%
Research & Development	$73.00M	$54.00M	$262.0M
YoY Change	35.19%	-45.45%	3.15%
% of Gross Profit	2.28%	1.99%	2.01%
Depreciation & Amortization	$938.0M	$800.0M	$3.153B
YoY Change	17.25%	105.13%	17.34%
% of Gross Profit	29.27%	29.53%	24.17%
Operating Expenses	$665.0M	$670.0M	$1.396B
YoY Change	-0.75%	-36.79%	-70.08%
Operating Profit	$2.540B	$2.039B	$11.65B
YoY Change	24.57%	15.2%	125.28%
Interest Expense	-$31.00M	-$24.00M	-$116.0M
YoY Change	29.17%	-41.46%	-12.78%
% of Operating Profit	-1.22%	-1.18%	-1.0%
Other Income/Expense, Net
YoY Change
Pretax Income	$2.509B	$1.740B	$7.359B
YoY Change	44.2%	11.61%	46.07%
Income Tax	$949.0M	$618.0M	$2.995B
% Of Pretax Income	37.82%	35.52%	40.7%
Net Earnings	$1.634B	$1.212B	$4.530B
YoY Change	34.82%	29.21%	55.4%
Net Earnings / Revenue	26.98%	23.83%	23.79%
Basic Earnings Per Share			$5.57
Diluted Earnings Per Share	$2.014M	$1.489M	$5.56
COMMON SHARES
Basic Shares Outstanding			812.5M shares
Diluted Shares Outstanding			813.8M shares

Balance Sheet

Concept	2011 Q4	2010 Q4	2010
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.781B	$2.578B	$2.578B
YoY Change	46.66%	110.62%	110.62%
Cash & Equivalents	$3.781B	$2.578B	$2.578B
Short-Term Investments
Other Short-Term Assets	$1.297B	$3.508B	$3.508B
YoY Change	-63.03%	9.01%	9.01%
Inventory	$1.069B	$1.041B	$1.041B
Prepaid Expenses
Receivables	$5.395B	$5.932B	$5.932B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$11.54B	$13.06B	$13.06B
YoY Change	-11.62%	23.12%	23.12%
LONG-TERM ASSETS
Property, Plant & Equipment	$45.68B	$36.54B	$36.54B
YoY Change	25.04%	17.34%	17.34%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$2.100B	$2.039B	$2.039B
YoY Change	2.99%	17.73%	17.73%
Other Assets
YoY Change
Total Long-Term Assets	$48.50B	$39.37B	$39.37B
YoY Change	23.19%	17.1%	17.1%
TOTAL ASSETS
Total Short-Term Assets	$11.54B	$13.06B	$13.06B
Total Long-Term Assets	$48.50B	$39.37B	$39.37B
Total Assets	$60.04B	$52.43B	$52.43B
YoY Change	14.52%	18.55%	18.55%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$5.304B	$4.646B	$4.646B
YoY Change	14.16%	41.56%	41.56%
Accrued Expenses	$2.533B	$2.397B	$2.397B
YoY Change	5.67%	4.63%	4.63%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$7.947B	$7.825B	$7.825B
YoY Change	1.56%	20.55%	20.55%
LONG-TERM LIABILITIES
Long-Term Debt	$5.871B	$5.111B	$5.111B
YoY Change	14.87%	99.88%	99.88%
Other Long-Term Liabilities	$3.760B	$3.567B	$3.567B
YoY Change	5.41%	10.71%	10.71%
Total Long-Term Liabilities	$9.631B	$8.678B	$8.678B
YoY Change	10.98%	50.16%	50.16%
TOTAL LIABILITIES
Total Short-Term Liabilities	$7.947B	$7.825B	$7.825B
Total Long-Term Liabilities	$9.631B	$8.678B	$8.678B
Total Liabilities	$17.58B	$19.95B	$19.95B
YoY Change	-11.88%	31.69%	31.69%
SHAREHOLDERS EQUITY
Retained Earnings	$35.14B
YoY Change
Common Stock	$7.463B
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$4.502B
YoY Change
Treasury Stock Shares	75.80M shares	72.48M shares
Shareholders Equity	$37.62B	$32.48B	$32.48B
YoY Change
Total Liabilities & Shareholders Equity	$60.04B	$52.43B	$52.43B
YoY Change	14.52%	18.55%	18.55%

Cashflow Statement

Concept	2011 Q4	2010 Q4	2010
OPERATING ACTIVITIES
Net Income	$1.634B	$1.212B	$4.530B
YoY Change	34.82%	29.21%	55.4%
Depreciation, Depletion And Amortization	$938.0M	$800.0M	$3.153B
YoY Change	17.25%	105.13%	17.34%
Cash From Operating Activities	$3.643B	$2.822B	$9.566B
YoY Change	29.09%	34.19%	60.88%
INVESTING ACTIVITIES
Capital Expenditures	-$2.549B	-$1.360B	$3.940B
YoY Change	87.43%	128.19%	-221.42%
Acquisitions
YoY Change
Other Investing Activities	-$866.0M	-$3.228B	$36.00M
YoY Change	-73.17%	99.01%	-101.62%
Cash From Investing Activities	-$3.415B	-$4.588B	-$9.295B
YoY Change	-25.57%	106.85%	70.05%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$57.00M
YoY Change			-359.09%
Debt Paid & Issued, Net			$311.0M
YoY Change
Cash From Financing Activities	-486.0M	2.237B	$1.083B
YoY Change	-121.73%	-931.6%	-204.84%
NET CHANGE
Cash From Operating Activities	3.643B	2.822B	$9.566B
Cash From Investing Activities	-3.415B	-4.588B	-$9.295B
Cash From Financing Activities	-486.0M	2.237B	$1.083B
Net Change In Cash	-258.0M	471.0M	$1.354B
YoY Change	-154.78%	-222.66%	-344.85%
FREE CASH FLOW
Cash From Operating Activities	$3.643B	$2.822B	$9.566B
Capital Expenditures	-$2.549B	-$1.360B	$3.940B
Free Cash Flow	$6.192B	$4.182B	$5.626B
YoY Change	48.06%	54.95%	-38.79%

Facts In Submission

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CY2012	dei	Entity Registrant Name EntityRegistrantName	OCCIDENTAL PETROLEUM CORP /DE/
CY2012	dei	Entity Central Index Key EntityCentralIndexKey	0000797468
CY2012	dei	Document Type DocumentType	10-K
CY2012	dei	Document Period End Date DocumentPeriodEndDate	2012-12-31
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CY2012	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2012	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2011	us-gaap	Exploration Abandonment And Impairment Expense ExplorationAbandonmentAndImpairmentExpense	160000000	USD
CY2011	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-174000000	USD
CY2010	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	186000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	12306000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	9356000000	USD
CY2011	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-25000000	USD
CY2010	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	210000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	12281000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	9566000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	11312000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	11348000000	USD
CY2011	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7518000000	USD
CY2010	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3940000000	USD
CY2011	oxy	Purchase Of Assets Net PurchaseOfAssetsNet	4909000000	USD
CY2010	oxy	Purchase Of Assets Net PurchaseOfAssetsNet	4924000000	USD
CY2011	oxy	Proceeds From Divestiture Of Businesses And Sale Of Property Plant And Equipment Net ProceedsFromDivestitureOfBusinessesAndSaleOfPropertyPlantAndEquipmentNet	50000000	USD
CY2010	oxy	Proceeds From Divestiture Of Businesses And Sale Of Property Plant And Equipment Net ProceedsFromDivestitureOfBusinessesAndSaleOfPropertyPlantAndEquipmentNet	20000000	USD
CY2011	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	96000000	USD
CY2010	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	36000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-12473000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-8880000000	USD
CY2011	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	2570000000	USD
CY2010	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-415000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-9903000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-9295000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-12655000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-12655000000	USD
CY2011	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2111000000	USD
CY2010	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2584000000	USD
CY2011	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1523000000	USD
CY2010	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	311000000	USD
CY2011	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	50000000	USD
CY2010	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	10000000	USD
CY2011	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	274000000	USD
CY2010	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	67000000	USD
CY2011	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1436000000	USD
CY2010	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1159000000	USD
CY2011	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	18000000	USD
CY2010	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	26000000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1175000000	USD
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1083000000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-846000000	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
CY2010	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	1354000000	USD
CY2011Q4	oxy	Significant Components Of Accrued Liabilities SignificantComponentsOfAccruedLiabilities	462000000	USD
CY2012Q4	oxy	Entity Wide Disclosure On Geographic Areas Assets In Foreign Countries EntityWideDisclosureOnGeographicAreasAssetsInForeignCountries	12300000000	USD
CY2012	us-gaap	Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Foreign Countries EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries	8800000000	USD
CY2011Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	3500000000	USD
CY2012Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	1000000000	USD
CY2011	oxy	Time Period For Expensing Costs Of Exploratory Wells If Determination Of Proved Reserves Not Made TimePeriodForExpensingCostsOfExploratoryWellsIfDeterminationOfProvedReservesNotMade	12	Item
CY2011Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	182000000	USD
CY2010Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	73000000	USD
CY2009Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	51000000	USD
CY2012Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	98000000	USD
CY2011	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	334000000	USD
CY2010	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	112000000	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	204000000	USD
CY2010	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	73000000	USD
CY2012	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	407000000	USD
CY2011	us-gaap	Capitalized Exploratory Well Cost Charged To Expense CapitalizedExploratoryWellCostChargedToExpense	21000000	USD
CY2010	us-gaap	Capitalized Exploratory Well Cost Charged To Expense CapitalizedExploratoryWellCostChargedToExpense	17000000	USD
CY2012	us-gaap	Capitalized Exploratory Well Cost Charged To Expense CapitalizedExploratoryWellCostChargedToExpense	77000000	USD
CY2012Q4	us-gaap	Capitalized Costs Mineral Interests In Unproved Properties CapitalizedCostsMineralInterestsInUnprovedProperties	4800000000	USD
CY2012Q4	oxy	Significant Components Of Accrued Liabilities SignificantComponentsOfAccruedLiabilities	385000000	USD
CY2011Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	1030000000	USD
CY2012Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	1212000000	USD
CY2011Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	69000000	USD
CY2011Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1089000000	USD
CY2010Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	800000000	USD
CY2012Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1266000000	USD
CY2011	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	74000000	USD
CY2012	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	86000000	USD
CY2011	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	53000000	USD
CY2012	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	58000000	USD
CY2011	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	-48000000	USD
CY2012	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	-61000000	USD
CY2011	oxy	Asset Retirement Obligation Acquisitions And Other AssetRetirementObligationAcquisitionsAndOther	177000000	USD
CY2012	oxy	Asset Retirement Obligation Acquisitions And Other AssetRetirementObligationAcquisitionsAndOther	50000000	USD
CY2011	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	43000000	USD
CY2012	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	38000000	USD
CY2012	oxy	Derivative Instruments Hedge Effectiveness Low End Of Range DerivativeInstrumentsHedgeEffectivenessLowEndOfRange	0.80	pure
CY2012	oxy	Derivative Instruments Hedge Effectiveness High End Of Range DerivativeInstrumentsHedgeEffectivenessHighEndOfRange	1.25	pure
CY2012	us-gaap	Interest Paid InterestPaid	190000000	USD
CY2011	us-gaap	Interest Paid InterestPaid	315000000	USD
CY2010	us-gaap	Interest Paid InterestPaid	161000000	USD
CY2011Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	443000000	USD
CY2011Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	655000000	USD
CY2011Q4	us-gaap	Inventory Gross InventoryGross	1167000000	USD
CY2011Q4	us-gaap	Inventory Lifo Reserve InventoryLIFOReserve	98000000	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
CY2012Q4	us-gaap	Inventory Net InventoryNet	1344000000	USD
CY2012Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	7654000000	USD
CY2012Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	31000000	USD
CY2011Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	5904000000	USD
CY2012Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	7023000000	USD
CY2011Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	33000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	158000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	105000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	106000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	88000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	59000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	460000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	976000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals	3000000	USD
CY2012	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	176000000	USD
CY2011	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	4000000	USD
CY2012Q4	oxy	Future Minimum Sublease Rentals To Be Received Within Two Years FutureMinimumSubleaseRentalsToBeReceivedWithinTwoYears	1000000	USD
CY2011	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	179000000	USD
CY2010	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	170000000	USD
CY2010	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	4000000	USD
CY2011Q1	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-163000000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	600000000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	0	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	1400000000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	1200000000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	4400000000	USD
CY2012Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	8200000000	USD
CY2011Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	6400000000	USD
CY2012Q4	oxy	Variable Rate Debt As Percentage Of Long Term Debt Gross VariableRateDebtAsPercentageOfLongTermDebtGross	0.01	pure
CY2011Q4	oxy	Variable Rate Debt As Percentage Of Long Term Debt Gross VariableRateDebtAsPercentageOfLongTermDebtGross	0.01	pure
CY2012Q4	oxy	Designated Forecast Sale Of Natural Gas As Cash Flow Hedges DesignatedForecastSaleOfNaturalGasAsCashFlowHedges	20000000000
CY2011Q4	oxy	Designated Forecast Sale Of Natural Gas As Cash Flow Hedges DesignatedForecastSaleOfNaturalGasAsCashFlowHedges	35000000000
CY2012Q4	oxy	Natural Gas Held In Storage NaturalGasHeldInStorage	20000000000
CY2011Q4	oxy	Natural Gas Held In Storage NaturalGasHeldInStorage	25000000000
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
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-111000000	USD
CY2012	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	24000000	USD
CY2011	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	-98000000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	16000000	USD
CY2012	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	49000000	USD
CY2011	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	94000000	USD
CY2012Q4	oxy	Derivative Fair Value Of Derivative Asset Amount Offset Against Counterparty Netting And Cash Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCounterpartyNettingAndCashCollateral	301000000	USD
CY2012Q4	oxy	Derivative Fair Value Of Derivative Liability Amount Offset Against Counterparty Netting And Cash Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCounterpartyNettingAndCashCollateral	371000000	USD
CY2011Q4	oxy	Derivative Fair Value Of Derivative Asset Amount Offset Against Counterparty Netting And Cash Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCounterpartyNettingAndCashCollateral	758000000	USD
CY2011Q4	oxy	Derivative Fair Value Of Derivative Liability Amount Offset Against Counterparty Netting And Cash Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCounterpartyNettingAndCashCollateral	782000000	USD
CY2012Q4	us-gaap	Derivative Assets DerivativeAssets	118000000	USD
CY2012Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	126000000	USD
CY2011Q4	us-gaap	Derivative Assets DerivativeAssets	192000000	USD
CY2011Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	181000000	USD
CY2011Q4	oxy	Collateral Deposited With Clearing Houses And Brokers CollateralDepositedWithClearingHousesAndBrokers	173000000	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
CY2012Q4	oxy	Collateral Deposited With Clearing Houses And Brokers CollateralDepositedWithClearingHousesAndBrokers	116000000	USD
CY2011Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	58000000	USD
CY2011Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	27000000	USD
CY2012Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	34000000	USD
CY2012Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	64000000	USD
CY2011Q4	oxy	Payables In Respect Of Collateral Received Net PayablesInRespectOfCollateralReceivedNet	42000000	USD
CY2011Q4	oxy	Receivables In Respect Of Collateral Paid Net ReceivablesInRespectOfCollateralPaidNet	66000000	USD
CY2012Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	80000000	USD
CY2011Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	79000000	USD
CY2010Q4	us-gaap	Accrued Environmental Loss Contingencies Current AccruedEnvironmentalLossContingenciesCurrent	79000000	USD
CY2012Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	264000000	USD
CY2011Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	281000000	USD
CY2010Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	287000000	USD
CY2012Q4	oxy	Environmental Remediation Sites Number EnvironmentalRemediationSitesNumber	161	site
CY2011Q4	oxy	Environmental Remediation Sites Number EnvironmentalRemediationSitesNumber	160	site
CY2010Q4	oxy	Environmental Remediation Sites Number EnvironmentalRemediationSitesNumber	170	site
CY2011Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	360000000	USD
CY2012Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	344000000	USD
CY2010Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	366000000	USD
CY2012Q4	oxy	Environmental Reserves Exceeding Ten Million Threshold Value Site Category EnvironmentalReservesExceedingTenMillionThresholdValueSiteCategory	10000000	USD
CY2012Q4	oxy	Environmental Reserves Exceeding Ten Million Site Category Number Of Sites EnvironmentalReservesExceedingTenMillionSiteCategoryNumberOfSites	12	site
CY2012Q4	oxy	Environmental Reserves Range Between Zero To One Million Site Category Number Of Sites EnvironmentalReservesRangeBetweenZeroToOneMillionSiteCategoryNumberOfSites	112	site
CY2012Q4	oxy	Environmental Remediation Possible Additional Loss Beyond Accruals EnvironmentalRemediationPossibleAdditionalLossBeyondAccruals	375000000	USD
CY2011	oxy	Environmental Costs Operating Expense EnvironmentalCostsOperatingExpense	247000000	USD
CY2010	oxy	Environmental Costs Operating Expense EnvironmentalCostsOperatingExpense	193000000	USD
CY2012	oxy	Environmental Costs Operating Expense EnvironmentalCostsOperatingExpense	250000000	USD
CY2011	oxy	Environmental Costs Capital Expenditures EnvironmentalCostsCapitalExpenditures	140000000	USD
CY2010	oxy	Environmental Costs Capital Expenditures EnvironmentalCostsCapitalExpenditures	104000000	USD
CY2012	oxy	Environmental Costs Capital Expenditures EnvironmentalCostsCapitalExpenditures	152000000	USD
CY2012	oxy	Environmental Remediation Expenses And Interest Accretion EnvironmentalRemediationExpensesAndInterestAccretion	56000000	USD
CY2011	oxy	Environmental Remediation Expenses And Interest Accretion EnvironmentalRemediationExpensesAndInterestAccretion	53000000	USD
CY2010	oxy	Environmental Remediation Expenses And Interest Accretion EnvironmentalRemediationExpensesAndInterestAccretion	26000000	USD
CY2011	us-gaap	Accrual For Environmental Loss Contingencies Increase Decrease For Acquisitions And Divestitures AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsAndDivestitures	14000000	USD
CY2010	us-gaap	Accrual For Environmental Loss Contingencies Increase Decrease For Acquisitions And Divestitures AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsAndDivestitures	3000000	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
CY2010	us-gaap	Accrual For Environmental Loss Contingencies Payments AccrualForEnvironmentalLossContingenciesPayments	66000000	USD
CY2009Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	403000000	USD
CY2012	oxy	Income Loss From Continuing Operations After Noncontrolling Interest Before Income Taxes Domestic IncomeLossFromContinuingOperationsAfterNoncontrollingInterestBeforeIncomeTaxesDomestic	2117000000	USD
CY2012	oxy	Income Loss From Continuing Operations After Noncontrolling Interest Before Income Taxes Foreign IncomeLossFromContinuingOperationsAfterNoncontrollingInterestBeforeIncomeTaxesForeign	5636000000	USD
CY2012	oxy	Income Loss From Continuing Operations After Noncontrolling Interest Before Income Taxes IncomeLossFromContinuingOperationsAfterNoncontrollingInterestBeforeIncomeTaxes	7753000000	USD
CY2010	oxy	Income Loss From Continuing Operations After Noncontrolling Interest Before Income Taxes Foreign IncomeLossFromContinuingOperationsAfterNoncontrollingInterestBeforeIncomeTaxesForeign	4269000000	USD
CY2011	oxy	Income Loss From Continuing Operations After Noncontrolling Interest Before Income Taxes Domestic IncomeLossFromContinuingOperationsAfterNoncontrollingInterestBeforeIncomeTaxesDomestic	4806000000	USD
CY2010	oxy	Income Loss From Continuing Operations After Noncontrolling Interest Before Income Taxes Domestic IncomeLossFromContinuingOperationsAfterNoncontrollingInterestBeforeIncomeTaxesDomestic	3295000000	USD
CY2011	oxy	Income Loss From Continuing Operations After Noncontrolling Interest Before Income Taxes Foreign IncomeLossFromContinuingOperationsAfterNoncontrollingInterestBeforeIncomeTaxesForeign	6035000000	USD
CY2011	oxy	Income Loss From Continuing Operations After Noncontrolling Interest Before Income Taxes IncomeLossFromContinuingOperationsAfterNoncontrollingInterestBeforeIncomeTaxes	10841000000	USD
CY2010	oxy	Income Loss From Continuing Operations After Noncontrolling Interest Before Income Taxes IncomeLossFromContinuingOperationsAfterNoncontrollingInterestBeforeIncomeTaxes	7564000000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-401000000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	8000000	USD
CY2012	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2383000000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	374000000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1990000000	USD
CY2012	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1046000000	USD
CY2012	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	41000000	USD
CY2012	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	41000000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1128000000	USD
CY2012	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	645000000	USD
CY2012	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	49000000	USD
CY2012	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	2424000000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3118000000	USD
CY2011	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	320000000	USD
CY2010	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	614000000	USD
CY2011	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	88000000	USD
CY2010	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	79000000	USD
CY2011	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2357000000	USD
CY2010	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1896000000	USD
CY2011	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2765000000	USD
CY2010	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2589000000	USD
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CY2011	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	47000000	USD
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CY2011	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	1660000000	USD
CY2010	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	1004000000	USD
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CY2010	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.05	pure
CY2011	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.01	pure
CY2010	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
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.01	pure
CY2011	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.39	pure
CY2010	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.40	pure
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CY2012Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	1277000000	USD
CY2012Q4	oxy	Deferred Tax Assets Tax Credit Carryforwards State DeferredTaxAssetsTaxCreditCarryforwardsState	89000000	USD
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CY2012Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	3079000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	1040000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	2039000000	USD
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CY2011Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1860000000	USD
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CY2011Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	200000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	250000000	USD
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CY2012Q4	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiability	116000000	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
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CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	76000000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	67000000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	38000000	USD
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CY2010	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	967000	shares
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CY2012	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	1746000	shares
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CY2012	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	7200000	shares
CY2011	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	2700000	shares
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CY2011Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2012Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
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CY2011Q4	us-gaap	Lifo Inventory Amount LIFOInventoryAmount	176000000	USD
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CY2010	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1300000	shares
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-34000000	USD
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CY2012Q4	oxy	Equity Method Investment Summarized Financial Information Long Term Debt EquityMethodInvestmentSummarizedFinancialInformationLongTermDebt	2250000000	USD
CY2012Q4	oxy	Equity Method Investment Summarized Financial Information Noncurrent Liabilities Other Than Long Term Debt EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilitiesOtherThanLongTermDebt	241000000	USD
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CY2012Q4	us-gaap	Equity Method Investment Summarized Financial Information Equity Or Capital EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital	2904000000	USD
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CY2012Q4	oxy	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized For Issuance Under Long Term Incentive Plans ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedForIssuanceUnderLongTermIncentivePlans	66000000	shares
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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
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CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	110000000	USD
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CY2011	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	40000000	USD
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CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	21000000	USD
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	74000000	USD
CY2011	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	6640000000	USD
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CY2012Q4	us-gaap	Equity Method Investments EquityMethodInvestments	1900000000	USD
CY2012	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	526000000	USD
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CY2012	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	2667000000	USD
CY2012	us-gaap	Equity Method Investment Summarized Financial Information Cost Of Sales EquityMethodInvestmentSummarizedFinancialInformationCostOfSales	2310000000	USD
CY2012	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	357000000	USD
CY2011	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	2439000000	USD
CY2010	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	1759000000	USD
CY2011	us-gaap	Equity Method Investment Summarized Financial Information Cost Of Sales EquityMethodInvestmentSummarizedFinancialInformationCostOfSales	2046000000	USD
CY2010	us-gaap	Equity Method Investment Summarized Financial Information Cost Of Sales EquityMethodInvestmentSummarizedFinancialInformationCostOfSales	1482000000	USD
CY2011	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	393000000	USD
CY2010	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	277000000	USD
CY2012Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Liabilities EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities	1774000000	USD
CY2011Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Assets EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets	2230000000	USD
CY2011Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Assets EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets	4381000000	USD
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CY2011Q4	us-gaap	Equity Method Investment Summarized Financial Information Equity Or Capital EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital	2606000000	USD
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CY2012Q4	oxy	Valuation Allowances And Reserves Current ValuationAllowancesAndReservesCurrent	98000000	USD
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CY2012	us-gaap	Sales Revenue Net SalesRevenueNet	24172000000	USD
CY2012	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	10350000000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	4511000000	USD
CY2011	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	7604000000	USD
CY2010	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	4034000000	USD
CY2010Q4	us-gaap	Assets Assets	52432000000	USD
CY2012Q4	us-gaap	Long Term Investments LongTermInvestments	1894000000	USD
CY2010Q4	us-gaap	Long Term Investments LongTermInvestments	2039000000	USD
CY2012	oxy	Reporting Segments Number ReportingSegmentsNumber	3	segment
CY2010Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	36536000000	USD
CY2009Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1224000000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2578000000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1592000000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	4598000000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	6771000000	USD
CY2010	us-gaap	Net Income Loss NetIncomeLoss	4530000000	USD
CY2011Q4	us-gaap	Common Stock Value CommonStockValue	177000000	USD
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	40048000000	USD
CY2010Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	32484000000	USD
CY2009Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	29159000000	USD
CY2012Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	16000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	6039000000	USD
CY2012Q4	oxy	Future Minimum Sublease Rentals To Be Received Within One Year FutureMinimumSubleaseRentalsToBeReceivedWithinOneYear	2000000	USD
CY2012Q4	us-gaap	Long Term Debt LongTermDebt	7600000000	USD
CY2011Q4	us-gaap	Other Assets Current OtherAssetsCurrent	1297000000	USD
CY2012	us-gaap	Unrealized Gain Loss On Price Risk Cash Flow Derivatives Before Tax UnrealizedGainLossOnPriceRiskCashFlowDerivativesBeforeTax	25000000	USD
CY2011	us-gaap	Unrealized Gain Loss On Price Risk Cash Flow Derivatives Before Tax UnrealizedGainLossOnPriceRiskCashFlowDerivativesBeforeTax	20000000	USD
CY2012	us-gaap	Price Risk Cash Flow Hedge Gain Or Loss Reclassified To Earnings Net PriceRiskCashFlowHedgeGainOrLossReclassifiedToEarningsNet	38000000	USD
CY2011	us-gaap	Price Risk Cash Flow Hedge Gain Or Loss Reclassified To Earnings Net PriceRiskCashFlowHedgeGainOrLossReclassifiedToEarningsNet	-154000000	USD
CY2012	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	4635000000	USD
CY2012Q4	us-gaap	Lifo Inventory Amount LIFOInventoryAmount	185000000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition	2.1
CY2011	oxy	Chemicals Property Plant And Equipment Useful Life Minimum ChemicalsPropertyPlantAndEquipmentUsefulLifeMinimum	3
CY2011	oxy	Chemicals Property Plant And Equipment Useful Life Maximum ChemicalsPropertyPlantAndEquipmentUsefulLifeMaximum	50
CY2012	oxy	Period Of Expending First Half Of Environmental Reserves PeriodOfExpendingFirstHalfOfEnvironmentalReserves	4
CY2012	oxy	Minimum Period Of Expending Second Half Of Environmental Reserves MinimumPeriodOfExpendingSecondHalfOfEnvironmentalReserves	10
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	10
CY2012Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	4916000000	USD
CY2012Q4	us-gaap	Other Assets Current OtherAssetsCurrent	1640000000	USD
CY2012Q4	oxy	Property Plant And Equipment Gross Oil And Gas Segment Successful Efforts Method PropertyPlantAndEquipmentGrossOilAndGasSegmentSuccessfulEffortsMethod	65417000000	USD
CY2012Q4	oxy	Property Plant And Equipment Gross Chemical Segment PropertyPlantAndEquipmentGrossChemicalSegment	6054000000	USD
CY2012Q4	oxy	Property Plant And Equipment Gross Midstream Marketing And Other Segment PropertyPlantAndEquipmentGrossMidstreamMarketingAndOtherSegment	7191000000	USD
CY2012Q4	oxy	Property Plant And Equipment Gross Corporate PropertyPlantAndEquipmentGrossCorporate	1434000000	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	28032000000	USD
CY2012Q4	oxy	Long Term Receivables And Other Noncurrent Assets Net LongTermReceivablesAndOtherNoncurrentAssetsNet	760000000	USD
CY2012Q4	us-gaap	Debt Current DebtCurrent	600000000	USD
CY2012Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	4708000000	USD
CY2012Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1966000000	USD
CY2011	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-95000000	USD
CY2010	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-210000000	USD
CY2012Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	3810000000	USD
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	178000000	USD
CY2012Q4	us-gaap	Treasury Stock Value TreasuryStockValue	5091000000	USD
CY2012Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	7441000000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	37990000000	USD
CY2012Q4	us-gaap	Minority Interest MinorityInterest	32000000	USD
CY2012	oxy	Interest Dividends And Other Income InterestDividendsAndOtherIncome	81000000	USD
CY2012	oxy	Cost Of Sales Excluding Depreciation Depletion And Amortization CostOfSalesExcludingDepreciationDepletionAndAmortization	7844000000	USD
CY2012	us-gaap	Operating Expenses OperatingExpenses	1602000000	USD
CY2012	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	680000000	USD
CY2012	us-gaap	Exploration Expense ExplorationExpense	345000000	USD
CY2012	us-gaap	Interest And Debt Expense InterestAndDebtExpense	130000000	USD
CY2012	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	363000000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	5.72
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.05
CY2012	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	5.71
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.04
CY2012	us-gaap	Other Noncash Expense OtherNoncashExpense	195000000	USD
CY2012	oxy	Undistributed Earnings Losses From Equity Investments UndistributedEarningsLossesFromEquityInvestments	30000000	USD
CY2012	us-gaap	Exploration Abandonment And Impairment Expense ExplorationAbandonmentAndImpairmentExpense	279000000	USD
CY2012	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-472000000	USD
CY2012	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	265000000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-1086000000	USD
CY2012	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	1000000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	370000000	USD
CY2012	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-36000000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-154000000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	10226000000	USD
CY2012	oxy	Purchase Of Assets Net PurchaseOfAssetsNet	2490000000	USD
CY2012	oxy	Proceeds From Divestiture Of Businesses And Sale Of Property Plant And Equipment Net ProceedsFromDivestitureOfBusinessesAndSaleOfPropertyPlantAndEquipmentNet	4000000	USD
CY2012	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-57000000	USD
CY2012	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1736000000	USD
CY2012	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	85000000	USD
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	583000000	USD
CY2012	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	2128000000	USD
CY2012	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	12000000	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
CY2012Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	196000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	195000000	USD
CY2012Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	-600000000	USD
CY2011	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-11000000	USD
CY2010	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	4000000	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 Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-60000000	USD
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-52000000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	14000000	USD
CY2010	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax	-83000000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-8000000	USD
CY2011	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	34000000	USD
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	30000000	USD
CY2012	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	14000000	USD
CY2011	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	-56000000	USD
CY2010	us-gaap	Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Tax OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax	-47000000	USD
CY2012	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-127000000	USD
CY2011	oxy	Contributions From Distributions To Noncontrolling Interest ContributionsFromDistributionsToNoncontrollingInterest	-121000000	USD
CY2012	oxy	Contributions From Distributions To Noncontrolling Interest ContributionsFromDistributionsToNoncontrollingInterest	32000000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	64210000000	USD
CY2012Q4	oxy	Length Of Bridge Tex Pipeline LengthOfBridgeTexPipeline	450

Files In Submission

Name	View Source	Status
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0000797468-13-000011-index.html	Edgar Link	pending
0000797468-13-000011.txt	Edgar Link	pending
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$OXY
Occidental Petroleum Corp Stock $oxy

2011 Q4 Form 10-K Financial Statement

#000079746813000011 Filed on February 26, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OXY Occidental Petroleum Corp Stock $oxy

2011 Q4 Form 10-K Financial Statement

#000079746813000011 Filed on February 26, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OXY
Occidental Petroleum Corp Stock $oxy