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Income Taxes (Details 4) (USD $) In Millions, unless otherwise specified | 12 Months Ended | 2 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2011 U.S. federal net operating losses [Member] | Dec. 31, 2011 U.S. state net operating losses [Member] | Dec. 31, 2011 Federal and state capital losses [Member] | Dec. 31, 2011 U.S. federal tax credits [Member] | Dec. 31, 2011 U.S. state tax credits [Member] | Dec. 31, 2011 Foreign net operating losses [Member]
Deferred tax asset attributes |  |  |  |  |  |
Attribute amount | $ 85 | $ 2,519 | $ 13 | $ 33 | $ 12 | $ 87
First year of expiration | 2031 | 2012 | 2013 | 2012 | 2012 | 2012

X
- Definition Attribute amount. + References No definition available. + Details
Name: | itt_AttributeAmount
Namespace Prefix: | itt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | itt_DeferredTaxAssetAttributesAbstract
Namespace Prefix: | itt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition First year of expiration. + References No definition available. + Details
Name: | itt_FirstYearOfExpiration
Namespace Prefix: | itt_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration