Carrying value of impaired assets

No definition available.

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- Definition

Net book value of impaired assets

+ References

No definition available.

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- Definition

The pre-tax charge against earnings resulting from the write down of long lived assets due to the difference between the carrying value and lower fair value, and related items.

+ References

No definition available.

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- Definition

Represents percentage of risk adjusted discount rate.

+ References

No definition available.

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- Definition

Value of investment recorded as available for sale asset.

+ References

No definition available.

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- Definition

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

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- Definition

The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 360

-Section 35

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=28370743&loc=d3e66150-109466

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230

+ Details

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- Definition

Fair value as of the balance sheet date of price risk derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets on the balance sheet.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611

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- Definition

Fair value as of the balance sheet date of price risk derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities on the balance sheet.

+ References

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- Definition

The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230

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Fair Value Measurements (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014
Fair Value - Other Financial Instruments
Debt carrying value	$ 6,857us-gaap_DebtInstrumentCarryingAmount	$ 6,964us-gaap_DebtInstrumentCarryingAmount		$ 6,857us-gaap_DebtInstrumentCarryingAmount
Asset impairments and related items	7,379	621	1,710
Risk adjusted discount rate	8oxy_RiskAdjustedDiscountRate
Chemical
Fair Value - Other Financial Instruments
Pre-tax impairment of oil and gas properties	111
Impaired property, plant and equipment	149
Proved oil and gas assets - domestic
Fair Value - Other Financial Instruments
Pre-tax impairment of oil and gas properties	2,759
Proved oil and gas assets - international
Fair Value - Other Financial Instruments
Pre-tax impairment of oil and gas properties	1,039
Level 3 \| Chemical
Fair Value - Other Financial Instruments
Carrying value of impaired assets	18			18
Level 3 \| Proved oil and gas assets - domestic
Fair Value - Other Financial Instruments
Carrying value of impaired assets	2,249			2,249
Level 3 \| Proved oil and gas assets - international
Fair Value - Other Financial Instruments
Carrying value of impaired assets	45			45
Net Book Value \| Chemical
Fair Value - Other Financial Instruments
Net book value of impaired assets	129			129
Net Book Value \| Proved oil and gas assets - domestic
Fair Value - Other Financial Instruments
Net book value of impaired assets	5,008			5,008
Net Book Value \| Proved oil and gas assets - international
Fair Value - Other Financial Instruments
Net book value of impaired assets	1,084			1,084
Recurring \| Level 1
Assets:
Commodity derivatives	712	185		712
Available for sale investment	394			394
Liabilities:
Commodity derivatives	750	199		750
Recurring \| Level 2
Assets:
Commodity derivatives	127	195		127
Liabilities:
Commodity derivatives	246	223		246
Recurring \| Netting and Collateral
Assets:
Commodity derivatives	(742)	(329)		(742)
Liabilities:
Commodity derivatives	(756)	(364)		(756)
Recurring \| Total Fair Value
Assets:
Commodity derivatives	97	51		97
Available for sale investment	394			394
Liabilities:
Commodity derivatives	240	58		240
Non recurring \| Domestic and international proved and unproved oil and gas properties member
Fair Value - Other Financial Instruments
Pre-tax impairment of oil and gas properties				3,800
Non recurring \| Williston basin and South Texas oil and gas properties member
Fair Value - Other Financial Instruments
Pre-tax impairment of oil and gas properties				2,800
Non recurring \| Bahrain oil and gas properties member
Fair Value - Other Financial Instruments
Pre-tax impairment of oil and gas properties				$ 1,000