Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three Months Ended March 31,
(in millions)	Commercial Industries		Public Sector		Other			Total
2018
Revenue	$	854	$	558	$	8		$	1,420
Segment profit (loss)	$	44	$	65	$	(4	)	$	105
Segment depreciation and amortization	$	34	$	22	$	—		$	56
Adjusted EBITDA	$	78	$	87	$	(4	)	$	161
2017
Revenue	$	895	$	609	$	49		$	1,553
Segment profit (loss)	$	26	$	57	$	3		$	86
Segment depreciation and amortization	$	36	$	27	$	1		$	64
Adjusted EBITDA(1)	$	62	$	87	$	4		$	153

Reconciliation to pre-tax income (loss)

(in millions)	Three Months Ended March 31,
Segment Profit (Loss) Reconciliation to Pre-tax Income (Loss)	2018			2017
Income (Loss) Before Income Taxes	$	(54	)	$	(22	)
Reconciling items:
Restructuring and related costs	20			18
Amortization of acquired intangible assets	61			61
Interest expense	33			36
Separation costs	—			5
(Gain) loss on divestitures and transaction costs	15			—
Litigation costs (recoveries), net	31			(11		)
Other (income) expenses, net	(1		)	(1		)
Segment Pre-tax Income (Loss)	$	105		$	86
Segment depreciation and amortization	$	56		$	64
NY MMIS	—			8
HE charge	—			(5		)
Adjusted EBITDA	$	161		$	153