Provision (Benefit) for Income Taxes (Tables)

9 Months Ended

Sep. 30, 2012

Provision (Benefit) for Income Taxes [Abstract]

Provision (benefit) for income taxes from continuing operations

		Three months ended				Nine months ended
		September 30,				September 30,
			2012		2011		2012		2011
			(Millions)				(Millions)
Current:
	Federal	$	58	$	31	$	112	$	119
	State		10		7		18		15
	Foreign		6		9		30		3
			74		47		160		137
Deferred:
	Federal		6		(16)		123		(23)
	State		(3)		(2)		(9)		(3)
	Foreign		-		4		7		9
			3		(14)		121		(17)
Total provision (benefit)		$	77	$	33	$	281	$	120