EMPLOYEE BENEFIT PLANS, Amounts Recognized in Consolidated Balance Sheets and Accumulated Other Comprehensive Loss (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Amounts recognized on the consolidated balance sheets [Abstract]
Non-current assets	$ 1	$ 3
Non-current liabilities	(168)	(135)
Pension Benefits [Member]
Amounts recognized on the consolidated balance sheets [Abstract]
Non-current assets	1	3
Current liabilities	0	0
Non-current liabilities	(110)	(73)
Total	(109)	(70)
Amounts recognized in accumulated other comprehensive loss [Abstract]
Net loss (net of taxes)	110	70
Unrecognized prior service (credit) cost (net of taxes)	(20)	3
Total	90	73
Accumulated benefit obligation in excess of plan assets [Abstract]
Projected benefit obligation	358	349
Accumulated benefit obligation	355	319
Fair value of plan assets	248	275
Amounts that will be amortized from accumulated other comprehensive loss in next fiscal year [Abstract]
Estimated net prior service credit, net of tax, that will be recognized in net periodic pension cost in next fiscal year	3
Estimated net loss, net of tax, that will be recognized in net periodic pension cost in next fiscal year	15
Other Post-retirement Benefits [Member]
Amounts recognized on the consolidated balance sheets [Abstract]
Non-current assets	0	0
Current liabilities	(3)	(4)
Non-current liabilities	(57)	(61)
Total	(60)	(65)
Amounts recognized in accumulated other comprehensive loss [Abstract]
Net loss (net of taxes)	(1)	6
Unrecognized prior service (credit) cost (net of taxes)	0	0
Total	(1)	6
Amounts that will be amortized from accumulated other comprehensive loss in next fiscal year [Abstract]
Amortization period of unrecognized gains and losses (in years)	5Y
Non-qualified Benefit Plans [Member]
Amounts recognized in accumulated other comprehensive loss [Abstract]
Net loss (net of taxes)	5
Unrecognized prior service (credit) cost (net of taxes)	(4)
Non-qualified and Post-retirement Benefit Plans [Member]
Amounts recognized on the consolidated balance sheets [Abstract]
Current liabilities	$ (7)