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Restructuring and Asset Impairment Charges - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Restructuring Cost and Reserve [Line Items]          
Asset impairment charges     $ 14 $ 1 $ 21
Asset impairment     0 1 18
Measurement & Control Solutions          
Restructuring Cost and Reserve [Line Items]          
Asset impairment charges $ 11 $ 10      
Impairment charge on intangible assets     14    
Measurement & Control Solutions          
Restructuring Cost and Reserve [Line Items]          
Impairment charge on intangible assets     14    
2016 Restructuring Plan          
Restructuring Cost and Reserve [Line Items]          
Expected restructuring costs     3    
Incurred restructuring costs     0 3  
2020 Restructuring Plan          
Restructuring Cost and Reserve [Line Items]          
Restructuring Costs       3  
2020 Restructuring Plan | Water Infrastructure | Reduction Of Headcount          
Restructuring Cost and Reserve [Line Items]          
Restructuring Costs       4  
2020 Restructuring Plan | Water Infrastructure | Reduction Of Headcount And Asset Impairment          
Restructuring Cost and Reserve [Line Items]          
Restructuring Costs         19
2020 Restructuring Plan | Measurement & Control Solutions          
Restructuring Cost and Reserve [Line Items]          
Restructuring costs related to prior year activities     $ 1 3  
2020 Restructuring Plan | Measurement & Control Solutions | Reduction Of Headcount And Asset Impairment          
Restructuring Cost and Reserve [Line Items]          
Restructuring Costs         30
2020 Restructuring Plan | Applied Water | Reduction Of Headcount          
Restructuring Cost and Reserve [Line Items]          
Restructuring Costs       $ 2  
2020 Restructuring Plan | Applied Water | Reduction Of Headcount And Asset Impairment          
Restructuring Cost and Reserve [Line Items]          
Restructuring Costs         $ 4