Other Income and Expense (Tables)

3 Months Ended

Sep. 30, 2012

Other Income Expense Tables [Abstract]

Components Of Other Income Table

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2012		2011		2012		2011
	(in millions)
Tax credit settlement	$	-	$	31	$	-	$	31
Tax dispute settlement		-		14		-		14
Gain on sale of assets		2		9		5		25
Insurance proceeds		-		-		10		-
Other		5		3		25		37
Total other income	$	7	$	57	$	40	$	107

Components Of Other Expense Table

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2012		2011		2012		2011
	(in millions)
Loss on sale and disposal of assets	$	13	$	31	$	48	$	57
Loss on extinguishment of debt		-		37		-		52
Other		2		8		11		17
Total other expense	$	15	$	76	$	59	$	126