FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2011

FAIR VALUE MEASUREMENTS

Assets and liabilities measured at fair value on a recurring basis

	Fair Value Measurements at December 31, 2011 Using						Netting and
Description	Level 1		Level 2		Level 3		Collateral (a)			Total Fair Value
Assets:
Commodity derivatives	$	310	$	640	$	—	$	(755	)	$	195
Total assets	$	310	$	640	$	—	$	(755	)	$	195
Liabilities:
Commodity derivatives	$	311	$	652	$	—	$	(779	)	$	184
Total liabilities	$	311	$	652	$	—	$	(779	)	$	184

	Fair Value Measurements at December 31, 2010 Using						Netting and
Description	Level 1		Level 2		Level 3		Collateral (a)			Total Fair Value
Assets:
Trading equity securities - natural resources industry	$	116	$	—	$	—	$	—		$	116
Trading U.S. treasury securities	10		—		—		—			10
Commodity derivatives	178		797		—		(680		)	295
Total Assets	$	304	$	797	$	—	$	(680	)	$	421
Liabilities:
Commodity derivatives	$	201	$	916	$	—	$	(736	)	$	381
Total liabilities	$	201	$	916	$	—	$	(736	)	$	381

(a)Represents the impact of netting assets, liabilities and collateral when a legal right of offset exists.