Variable Interest Entities (Tables)

6 Months Ended

Jun. 30, 2011

Variable Interest Entities

Carrying amounts and classification of the consolidated VIEs assets, liabilities and other information

	June 30, 2011		December 31, 2010
	(In millions)
Current assets	$	455.4	$	516.6
Noncurrent assets		50.9		57.7
Total Assets	$	506.3	$	574.3
Current liabilities	$	282.8	$	345.5
Noncurrent liabilities		376.3		399.0
Total Liabilities	$	659.1	$	744.5

Schedule of summary information for unconsolidated variable interest entities

As of June 30, 2011		Power Contract Monetization VIEs		All Other VIEs		Total
		(In millions)
Total assets		$	393.2	$	323.1	$	716.3
Total liabilities			310.6		123.0		433.6
Our ownership interest			—		56.1		56.1
Other ownership interests			82.6		144.0		226.6
Our maximum exposure to loss:
	Letters of credit		20.5		—		20.5
	Carrying amount of our investment—Other investments		—		48.9		48.9
	Debt and payment guarantees		—		5.0		5.0

As of December 31, 2010		Power Contract Monetization VIEs		All Other VIEs		Total
		(In millions)
Total assets		$	492.9	$	288.3	$	781.2
Total liabilities			382.6		113.2		495.8
Our ownership interest			—		48.7		48.7
Other ownership interests			110.3		126.4		236.7
Our maximum exposure to loss:
	Letters of credit		24.9		—		24.9
	Carrying amount of our investment—Other investments		—		41.4		41.4
	Debt and payment guarantees		—		5.0		5.0