v3.26.3
Restructuring and Asset Impairment Charges - Components of Restructuring Charges and Segment Allocation (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Restructuring Cost and Reserve [Line Items]        
Severance and other charges $ 8 $ 21 $ 51 $ 60
Asset impairment 0 3 1 4
Reversal of restructuring accruals 0 (1) (2) (2)
Total restructuring costs 8 23 50 62
Asset impairment charges 0 0 0 8
Total restructuring and asset impairment charges 8 23 50 70
Applied Water        
Restructuring Cost and Reserve [Line Items]        
Total restructuring and asset impairment charges 1 4 5 16
Measurement and Control Solutions        
Restructuring Cost and Reserve [Line Items]        
Total restructuring and asset impairment charges 6 1 12 7
Water Solutions and Services        
Restructuring Cost and Reserve [Line Items]        
Total restructuring and asset impairment charges 0 1 4 6
Corporate and Other        
Restructuring Cost and Reserve [Line Items]        
Total restructuring and asset impairment charges 0 1 0 3
Water Infrastructure        
Restructuring Cost and Reserve [Line Items]        
Total restructuring and asset impairment charges $ 1 $ 16 $ 29 $ 38