Earnings Per Share (Details 1) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Number of shares underlying stock options excluded from the computation of diluted earnings
Anti-dilutive stock options	2.1		1.7		1.5
Average exercise price	$ 16.70	[1]	$ 85.08	[1]	$ 80.58	[1]
Minimum [Member]
Number of shares underlying stock options excluded from the computation of diluted earnings
Years of expiration	2012		2012		2012
Maximum [Member]
Number of shares underlying stock options excluded from the computation of diluted earnings
Years of expiration	2021		2020		2016

[1] The decrease in average exercise price of anti-dilutive stock options from 2010 to 2011 resulted from the change in stock price of ITT common stock following the Distribution.