LEGAL PROCEEDINGS, COMMITMENTS AND CONTINGENCIES (Detail) (USD $) In Millions	3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011 Other discontinued operations:	Jun. 30, 2011 Minimum	Dec. 31, 2010 Minimum	Jun. 30, 2011 Maximum	Dec. 31, 2010 Maximum
Commitments and Contingencies Disclosure [Line Items]
Accrued estimated remediation costs	$ 37		$ 37
Environmental remediation expense	12	2	12	2
Environmental remediation expense of discontinued operations					11
Asset Retirement Obligations	67		67
Remediation costs for all identified sites may exceed our reserves			100
Estimated cost that might spend over the next few years to comply with maximum achievable control technology (MACT) standards						$ 30	$ 30	$ 45	$ 100