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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%

X

- Definition

Percentage of net assets in developed market .

+ References

No definition available.

+ Details

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Namespace Prefix:	itt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- 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

X

- Details

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