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Segment Information - Additional Information (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2012 Employees Segment | Dec. 31, 2011 Employees | Dec. 31, 2010 Employees
Segment Reporting Information [Line Items] |  |  |
Number of reportable segments | 4 |  |
Maximum percentage of revenue for which an individual customer accounts for | 13.40% |  |
Number of individual customer accounting for greater than ten percent of consolidated revenue | 1 | 0 | 0

X
- Definition Maximum percentage of revenue for which an Individual customer accounts for. + References No definition available. + Details
Name: | itt_MaximumPercentageOfRevenueForWhichIndividualCustomerAccountsFor
Namespace Prefix: | itt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of individual customer accounting for greater than ten percent of consolidated revenue. + References No definition available. + Details
Name: | itt_NumberOfIndividualCustomerAccountingForGreaterThanTenPercentOfConsolidatedRevenue
Namespace Prefix: | itt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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