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Segment Information - Business Segment Information by Geographical Information (Parenthetical) (Detail) |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2012 Germany [Member] | Dec. 31, 2011 Germany [Member] | Dec. 31, 2010 Germany [Member] | Dec. 31, 2012 Luxembourg [Member] | Dec. 31, 2011 Luxembourg [Member]
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |
Percentage share of revenues from external customers | 9.00% | 11.00% | 10.80% |  |
Percentage of total assets in developed market |  |  |  | 10.00% | 12.60%

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- Definition Percentage of net assets in developed market . + References No definition available. + Details
Name: | itt_PercentageOfNetAssetsInDevelopedMarket
Namespace Prefix: | itt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage share of Entity wide revenue major customer. + References No definition available. + Details
Name: | itt_PercentageShareOfEntityWideRevenueMajorCustomer
Namespace Prefix: | itt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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