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Long-Term Incentive Employee Compensation - Status of Stock Option and Restricted Stock Shares (Parenthetical) (Detail) (Exelis and Xylem [Member], USD $) In Millions, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012
Schedule Of Stock Options [Line Items] |
outstanding Weighted Average post exercise price | 92.20
Qualified Stock Options [Member] |
Schedule Of Stock Options [Line Items] |
Converted or Cancelled to the employees of Exelis/Xylem shares | 1.2

X
- Definition Options Cancelled in Connection with Distribution of Subsidiary. + References No definition available. + Details
Name: | itt_OptionsCancelledInConnectionWithDistributionOfSubsidiary
Namespace Prefix: | itt_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Weighted Average Exercise Price of Options Cancelled in Connection with Distribution of Subsidiary. + References No definition available. + Details
Name: | itt_WeightedAverageExercisePriceOfOptionsCancelledInConnectionWithDistributionOfSubsidiary
Namespace Prefix: | itt_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant