Other Income and Expense (Tables)

12 Months Ended

Dec. 31, 2011

Other Income Expense Tables [Abstract]

Components Of Other Income Table

	Years Ended December 31,
	2011		2010		2009
	(in millions)
Gain on extinguishment of tax and other liabilities	$	14	$	62	$	168
Tax credit settlement		31		-		129
Performance incentive fee		-		-		80
Gain on sale of assets		47		12		14
Other		57		26		67
Total other income	$	149	$	100	$	458

Components Of Other Expense Table

	Years Ended December 31,
	2011		2010		2009
	(in millions)
Loss on sale and disposal of assets	$	68	$	84	$	33
Gener gas settlement		-		72		-
Loss on extinguishment of debt		62		37		-
Wind Generation transaction costs		-		22		-
Other		24		19		71
Total other expense	$	154	$	234	$	104