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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