Income Taxes (Tables)

9 Months Ended

Sep. 30, 2015

Income Tax Disclosure [Abstract]

Income Tax Provision (Benefit)

The income tax provision relating to continuing operations consists of the following:

	Three Months Ended September 30,						Nine Months Ended September 30,
(millions)	2015			2014			2015			2014
Current	$	(45	)	$	120		$	64		$	213
Deferred	69			37			(244		)	61
Total Income Tax (Benefit) Provision	$	24		$	157		$	(180	)	$	274
Effective Tax Rate	(9.3		)%	27.2		%	30.4		%	25.3		%