OTHER OPERATING INCOME, NET - Items Included in Other Operating Income, Net (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Gain on postretirement plan amendment (Note 6)	$ 0	$ 0	$ 0	$ (103)
Gain on disposition of assets	(1)	(3)	(14)	(11)
Foreign exchange (gains) losses, net	(2)	(10)	6	(8)
Land management income	(7)	(7)	(20)	(19)
Other, net	8	(8)	(2)	(6)
Total other operating income, net	$ (2)	$ (28)	$ (30)	$ (147)

Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 20

-Section 45

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

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

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The increase (decrease) during the reporting period in the amount due to fund non-pension benefits provided to former, retired, and disabled employees.

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

-Publisher FASB

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The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.

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The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.

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Revenue recognized during the period for the management of land holdings.

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