RELATED-PARTY TRANSACTIONS (Details) $ in Millions	12 Months Ended
Dec. 31, 2014 USD ($)
Related-party transactions
Sales	$ 2,617
Related party receivable	0
Related party payable	0
Occidental Petroleum
Related-party transactions
Sales	2,706
Allocated costs for services provided by affiliates	126
Purchases	$ 175
Sales to related party (as a percent)	65.00%
Occidental Petroleum \| Elk Hills power plant
Related-party transactions
Sales	$ 89

This element represents sales to related parties as a percentage of the total sales.

No definition available.

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- Definition

Amount for accounts payable to related parties.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

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Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

No definition available.

+ Details

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- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References

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- Details

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- Details

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