Provision (Benefit) for Income Taxes (Tables)

3 Months Ended

Mar. 31, 2014

Income Tax Expense (Benefit), Continuing Operations [Abstract]

Provision (benefit) for income taxes from continuing operations

The Provision (benefit) for income taxes from continuing operations includes:

	Three months ended    March 31,
	2014			2013
	(Millions)
Current:
Federal	$	137		$	(11	)
State	5			2
Foreign	2			2
	144			(7		)
Deferred:
Federal	(96		)	82
State	(1		)	13
Foreign	4			8
	(93		)	103
Total provision (benefit)	$	51		$	96