Discontinued Operations (Tables)

9 Months Ended

Sep. 30, 2015

Discontinued Operations and Disposal Groups [Abstract]

Disposal Groups, Including Discontinued Operations

The components of discontinued operations recorded on the unaudited Condensed Consolidated Statements of Income are as follows:

	Three months ended			Nine Months Ended
In millions	September 30, 2014			September 30, 2014
Operating revenues	$	62		$	243
Operating expenses
Cost of goods sold	38			149
Operation and maintenance	20			75
Depreciation and amortization	—			5
Taxes other than income taxes	1			5
Loss on sale and goodwill impairment	5			28
Total operating expenses	64			262
Operating loss	(2		)	(19		)
Income tax expense	(29		)	(61		)
Loss from discontinued operations, net of tax	$	(31	)	$	(80	)