Income Taxes (Tables)

3 Months Ended

Mar. 31, 2016

Income Tax Disclosure [Abstract]

Income Tax Provision (Benefit)

The income tax benefit consists of the following:

	Three Months Ended March 31,
(millions)	2016			2015
Current	$	20		$	10
Deferred	(186		)	(30		)
Total Income Tax Benefit	$	(166	)	$	(20	)
Effective Tax Rate	36.6		%	47.6		%