v2.4.0.6
Restructuring Charges (Restructuring and Asset Impaiment Charges) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Restructuring Cost and Impairment Charge    
Severance and other charges $ 5 $ 0
Reversal of restructuring accruals 0 0
Restructuring charges 5 0
Water Infrastructure
   
Restructuring Cost and Impairment Charge    
Restructuring charges 5 0
Applied Water
   
Restructuring Cost and Impairment Charge    
Restructuring charges 0 0
Corporate and other
   
Restructuring Cost and Impairment Charge    
Restructuring charges $ 0 $ 0