Provision (Benefit) for Income Taxes (Tables)

6 Months Ended

Jun. 30, 2011

Provision (Benefit) for Income Taxes [Abstract]

Provision (benefit) for income taxes from continuing operations

	Three months ended				Six months ended
	June 30,				June 30,
	2011		2010		2011			2010
	(Millions)				(Millions)
Current:
Federal	$	30	$	70	$	47		$	(43	)
State		2		5		3			(9	)
Foreign		16		8		(2	)		13
		48		83		48			(39	)
Deferred:
Federal		86		15		78			38
State		7		3		8			6
Foreign		4		3		5			5
		97		21		91			49
Total provision (benefit)	$	145	$	104	$	139		$	10