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LEGAL PROCEEDINGS, COMMITMENTS AND CONTINGENCIES (Tables)
 12 Months Ended
Dec. 31, 2011
Loss Contingencies [Line Items]  
Environmental Exit Costs by Cost
Changes in the Reserve for Environmental Remediation
DOLLAR AMOUNTS IN MILLIONS
  
Reserve balance as of December 31, 2010
$
29

Reserve charges and adjustments, net
12

Payments
(7
)
Reserve balance as of December 31, 2011
$
34

Total active sites as of December 31, 2011
53
Schedule of Change in Asset Retirement Obligation
Changes in the Reserve for Asset Retirement Obligations
DOLLAR AMOUNTS IN MILLIONS
  
Reserve balance as of December 31, 2010
$
66

Reserve charges and adjustments, net
9

Payments
(10
)
Reserve balance as of December 31, 2011
$
65