XML 74 R62.htm IDEA: XBRL DOCUMENT v3.8.0.1

Segment Information - Summary of Operations by Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Revenue	$ 708.4	$ 664.5
Operating income	101.8	21.8	[1]
Services
Segment Reporting Information [Line Items]
Revenue	568.5	585.3
Operating income	17.1	27.3
Technology
Segment Reporting Information [Line Items]
Revenue	139.9	79.2
Operating income	82.0	13.0
Intersegment
Segment Reporting Information [Line Items]
Revenue	(10.0)	(5.3)
Intersegment | Services
Segment Reporting Information [Line Items]
Revenue	0.0	0.0
Intersegment | Technology
Segment Reporting Information [Line Items]
Revenue	10.0	5.3
Operating Segments
Segment Reporting Information [Line Items]
Operating income	99.1	40.3
Operating Segments | Services
Segment Reporting Information [Line Items]
Revenue	568.5	585.3
Operating Segments | Technology
Segment Reporting Information [Line Items]
Revenue	149.9	84.5
Corporate
Segment Reporting Information [Line Items]
Revenue	(10.0)	(5.3)
Operating income	$ 2.7	$ (18.5)
[1] *Amounts were changed to conform to the current-year presentation. See Note 3.

X

- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

Name:	us-gaap_OperatingIncomeLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

Name:	us-gaap_Revenues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_SegmentReportingInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=uis_ServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=uis_TechnologyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: