OTHER OPERATING INCOME, NET - Items Included in Other Operating Income, Net (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Gain on disposition of non-strategic assets	$ (23)	$ (6)
Foreign exchange losses, net	14	4
Land management income	(7)	(6)
Other, net	(13)	(10)
Total other operating income, net	(74)	(18)
U.S. and Canadian Other Postretirement Plans
Gain on postretirement plan amendment (Note 7)	$ (45)	$ 0