CHARGES FOR RESTRUCTURING, CLOSURES AND ASSET IMPAIRMENTS - Items Included in Our Restructuring, Closure and Asset Impairment Charges (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Restructuring and closure charges:
Termination benefits	$ 0us-gaap_SeveranceCosts1	$ 17us-gaap_SeveranceCosts1
Other restructuring and closure costs	1us-gaap_OtherRestructuringCosts	2us-gaap_OtherRestructuringCosts
Charges for restructuring and closures	1us-gaap_RestructuringCharges	19us-gaap_RestructuringCharges
Impairments of long-lived assets	13	0
Total charges for restructuring, closures and impairments	$ 14	$ 19

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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