Represents the additional amount available for borrowing under the Revolving Credit Facility.

No definition available.

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Represents the cash distributions to parent.

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No definition available.

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Represents the threshold over which any amount of additional cash on hand during the Interim Covenant Period must be used to pay off outstanding debt under the revolving credit facility.

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No definition available.

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Represents Credit agreement asset coverage ratio required under the debt covenants during interim covenant period.

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Represents the information pertaining to variable rate.

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Disclosure of timing of required repayments, sinking fund requirements, and other redeemable securities at fixed or determinable prices and dates in the five years immediately following the date of the latest balance sheet presented in the financial statements, and the amount thereafter to fully repay the principal of long-term debt on quarterly basis. These disclosures may be made either on an individual debt or security basis, by type of debt or security basis, or on a combined basis.

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No definition available.

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Represents the information pertaining to long term debt net of deferred financing cost excluding current maturities.

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No definition available.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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No definition available.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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No definition available.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Disclosure of timing of required repayments, sinking fund requirements, and other redeemable securities at fixed or determinable prices and dates in the five years immediately following the date of the latest balance sheet presented in the financial statements, and the amount thereafter to fully repay the principal of long-term debt. These disclosures may be made either on an individual debt or security basis, by type of debt or security basis, or on a combined basis.

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The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

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DEBT (Details) (USD $)	0 Months Ended		12 Months Ended	0 Months Ended		3 Months Ended
DEBT (Details) (USD $)	Oct. 01, 2014	Sep. 24, 2014	Dec. 31, 2015	Feb. 25, 2015	Mar. 31, 2016	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2014
Debt
Debt							$ 6,570,000,000us-gaap_LongTermDebt	$ 6,360,000,000us-gaap_LongTermDebt
Less: Current maturities of long-term debt							(25,000,000)us-gaap_LongTermDebtCurrent
Less: Deferred financing costs							(66,000,000)us-gaap_DeferredFinanceCostsNet	(68,000,000)us-gaap_DeferredFinanceCostsNet
Total long-term debt, net							6,479,000,000	6,292,000,000
Maximum borrowing capacity		2,000,000,000
Senior Notes
Debt
Aggregate principal amount	5,000,000,000
Net Proceeds from private placement	4,950,000,000
Cash distribution to Occidental in October 2014	4,950,000,000
Semi annual interest payment	semi-annually
Percentage of principal amount at which senior notes can be redeemed	101.00%
5.00% Senior notes due 2020
Debt
Debt	1,000,000,000						1,000,000,000	1,000,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.00%						5.00%	5.00%
5.50% Senior notes due 2021
Debt
Debt	1,750,000,000						1,750,000,000	1,750,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.50%						5.50%	5.50%
6.00% Senior notes due 2024
Debt
Debt	2,250,000,000						2,250,000,000	2,250,000,000
Debt Instrument, Interest Rate, Stated Percentage	6.00%						6.00%	6.00%
Credit Facilities
Debt
Credit agreement leverage ratio		4.50
Credit Facilities \| LIBOR
Debt
Variable rate basis		LIBOR
Credit Facilities \| Alternate Base Rate
Debt
Variable rate basis		alternate base rate
Variable rate basis		one-month LIBOR
Interest rate added to variable rate basis(as a percent)		1.00%
Credit Facilities \| Prime Rate
Debt
Variable rate basis		agent's prime rate
Credit Facilities \| Federal fund rate
Debt
Variable rate basis		federal funds effective rate
Interest rate added to variable rate basis(as a percent)		0.50%
Credit Facilities \| Thereafter
Debt
Credit agreement leverage ratio during interim covenant period		4.50
Credit Facilities \| Minimum
Debt
Credit agreement interest expense ratio		2.50	2.25
Credit Facilities \| Minimum \| LIBOR
Debt
Interest rate added to variable rate basis(as a percent)		1.50%
Credit Facilities \| Minimum \| Alternate Base Rate
Debt
Interest rate added to variable rate basis(as a percent)		0.50%
Credit Facilities \| Maximum \| LIBOR
Debt
Interest rate added to variable rate basis(as a percent)		2.25%
Credit Facilities \| Maximum \| Alternate Base Rate
Debt
Interest rate added to variable rate basis(as a percent)		1.25%
Credit Facilities amendment - Interim Covenant Period
Debt
Maximum borrowing capacity				1,250,000,000
Credit Facilities amendment - Interim Covenant Period \| June 30, 2015
Debt
Credit agreement leverage ratio during interim covenant period				4.75
Credit Facilities amendment - Interim Covenant Period \| September 30, 2015
Debt
Credit agreement leverage ratio during interim covenant period				6.25
Credit Facilities amendment - Interim Covenant Period \| December 31, 2015
Debt
Credit agreement leverage ratio during interim covenant period				8.25
Credit Facilities amendment - Interim Covenant Period \| March 31, 2016
Debt
Credit agreement leverage ratio during interim covenant period				8.00
Credit Facilities amendment - Interim Covenant Period \| June 30, 2016
Debt
Credit agreement leverage ratio during interim covenant period				7.25
Credit Facilities amendment - Interim Covenant Period \| September 30, 2016
Debt
Credit agreement leverage ratio during interim covenant period				6.75
Credit Facilities amendment - Interim Covenant Period \| December 31, 2016
Debt
Credit agreement leverage ratio during interim covenant period				6.25
Credit Facilities amendment - Interim Covenant Period \| Minimum
Debt
Credit agreement asset coverage ratio during interim covenant period				1.05
Cash On Hand In Excess Of This Amount During The Interim Covenant Period Must Be Used To Pay Off Outstanding Debt Under the Revolving Credit Facility				250,000,000
Term loan facility
Debt
Debt							1,000,000,000	1,000,000,000
Senior term loan facility and senior revolving credit facility		5 years
Maximum borrowing capacity		1,000,000,000
Term loan facility \| Scenario, Forecast
Debt
Percentage of principal amount repaid quarterly						2.5% of the principal amount
Percentage of principal amount repaid annually					10% of the principal amount
Revolving credit facility
Debt
Debt							570,000,000	360,000,000
Senior term loan facility and senior revolving credit facility		5 years
Maximum borrowing capacity		1,000,000,000
Revolving credit facility \| Minimum
Debt
Commitment fees on unused portion of the Revolving Credit Facility		0.30%
Revolving credit facility \| Maximum
Debt
Amount available for additional borrowings							708,000,000
Commitment fees on unused portion of the Revolving Credit Facility		0.50%
Letter of Credit
Debt
Maximum borrowing capacity		400,000,000