Goodwill and Other Intangible Assets, Net (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Goodwill and Other Intangible Assets, Net (Textual) [Abstract]
Amortization expense related to finite-lived intangible assets	$ 10	$ 8	$ 8
Xylem [Member]
Goodwill and Other Intangible Assets, Net (Textual) [Abstract]
Goodwill disposed off	1,617
Exelis [Member]
Goodwill and Other Intangible Assets, Net (Textual) [Abstract]
Goodwill disposed off	2,156
CAS [Member]
Goodwill and Other Intangible Assets, Net (Textual) [Abstract]
Goodwill disposed off		$ 76
Customer Relationships [Member]
Goodwill and Other Intangible Assets, Net (Textual) [Abstract]
Weighted average period (in years)	14.3
Trademarks [Member]
Goodwill and Other Intangible Assets, Net (Textual) [Abstract]
Weighted average period (in years)	7.4
Proprietary technology [Member]
Goodwill and Other Intangible Assets, Net (Textual) [Abstract]
Weighted average period (in years)	14.1
Patents and other [Member]
Goodwill and Other Intangible Assets, Net (Textual) [Abstract]
Weighted average period (in years)	11.7