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

X

- 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

X

- Details

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