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Guarantees, Indemnities and Warranties - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | Dec. 31, 2012
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Guarantor Obligations [Line Items] |
Guarantees, letters of credit and similar arrangements outstanding | $ 131.8

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- Definition Guarantees, letters of credit and similar arrangements outstanding. + References No definition available. + Details
Name: | itt_GuaranteesLettersOfCreditAndSimilarArrangementsOutstanding
Namespace Prefix: | itt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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