Income Taxes (Tables)

6 Months Ended

Jun. 30, 2014

Income Tax Disclosure [Abstract]

Income Tax Provision (Benefit)

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

	Three Months Ended June 30,						Six Months Ended June 30,
(millions)	2014			2013			2014			2013
Current	$	34		$	71		$	94		$	108
Deferred	7			57			24			106
Total Income Tax Provision	$	41		$	128		$	118		$	214
Effective Tax Rate	17.6		%	26.4		%	23.1		%	26.6		%