XML 26 R48.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Components Of Long-Term Debt (Parenthetical) (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
Debt Instrument [Line Items] |  |
Interest rate of the debt instruments | 6.25%us-gaap_DebtInstrumentInterestRateStatedPercentage |
6.25% Senior Notes Due 2017 |  |
Debt Instrument [Line Items] |  |
Senior notes, maturity year | 2017 | 2017
Interest rate of the debt instruments | 6.25%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = uis_SixPointTwoFivePercentageSeniorSecuredNotesDueTwoThousandSeventeenMember | 6.25%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = uis_SixPointTwoFivePercentageSeniorSecuredNotesDueTwoThousandSeventeenMember

X
- Definition Debt Instrument Maturity Year + References No definition available. + Details
Name: | uis_DebtInstrumentMaturityYear
Namespace Prefix: | uis_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=uis_SixPointTwoFivePercentageSeniorSecuredNotesDueTwoThousandSeventeenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |