CONTINGENCIES (Details) (USD $)	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Site Contingency [Line Items]
Aggregate environmental capital expenditures and other environmental costs including joint venture partners' share	$ 612,000,000		$ 387,000,000		$ 372,000,000
Minimum number of active remediation projects in the United States (in number of projects)	100
Approximate number of states with active remediation projects (in number of states)	28
Summary of changes in environmental obligations [Roll Forward]
Balance at beginning of year	1,453,000,000		1,422,000,000		1,464,000,000
Accretion expense	80,000,000	[1]	88,000,000	[1]	97,000,000	[1]
Additions	70,000,000		132,000,000		19,000,000
Reductions	(182,000,000)	[2]	(68,000,000)	[2]	0	[2]
Spending	(199,000,000)		(121,000,000)		(158,000,000)
Balance at end of year	1,222,000,000		1,453,000,000		1,422,000,000
Less current portion	186,000,000		205,000,000		138,000,000
Long-term portion	1,036,000,000		1,248,000,000		1,284,000,000
Estimated environmental cash payments (on an undiscounted and unescalated basis) [Abstract]
2013	186,000,000
2014	225,000,000
2015	124,000,000
2016	107,000,000
2017	110,000,000
Thereafter	1,700,000,000
Estimated Environmental Obligations on a Discounted Fair Value Basis	1,100,000,000
Estimated Environmental Obligations on an Undiscounted and Unescalated Basis	2,400,000,000
Recorded environmental obligations for most significant sites	1,000,000,000
Minimum [Member]
Estimated environmental cash payments (on an undiscounted and unescalated basis) [Abstract]
Estimated Environmental Obligations on an Undiscounted and Unescalated Basis	2,100,000,000
Maximum [Member]
Estimated environmental cash payments (on an undiscounted and unescalated basis) [Abstract]
Estimated Environmental Obligations on an Undiscounted and Unescalated Basis	$ 2,700,000,000

[1] Represented accretion of the fair value of environmental obligations assumed in the 2007 acquisition of FMC, which were determined on a discounted cash flow basis.

[2] Reductions primarily reflected adjustments for changes in the anticipated scope and timing of environmental remediation projects and the settlement of environmental matters.