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Goodwill and Other Intangible Assets
 9 Months Ended
Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets
Goodwill    
Changes in the carrying value of goodwill by reportable segment for the nine months ended September 30, 2025 are as follows:
(in millions)Water
Infrastructure		Applied WaterMeasurement and Control SolutionsWater Solutions and ServicesTotal
Balance as of January 1, 2025$2,098 $884 $2,163 $2,835 $7,980 
Activity in 2025
Acquisitions76 — — 4 80 
Reclassification to assets held for sale (a)— — (23)— (23)
Foreign currency and other83 20 123 17 243 
Balance as of September 30, 2025$2,257 $904 $2,263 $2,856 $8,280 
(a)Relates to the reclassification of goodwill allocated for the International Metering business divestiture. Refer to Note 3 Acquisitions and Divestitures for additional information.
Other Intangible Assets
Information regarding our other intangible assets is as follows:
September 30, 2025December 31, 2024
(in millions)Carrying
Amount		Accumulated
Amortization		Net
Intangibles		Carrying
Amount		Accumulated
Amortization		Net
Intangibles
Customer and distributor relationships$2,190 $(676)$1,514 $2,151 $(576)$1,575 
Proprietary technology and patents432 (176)256 360 (138)222 
Trademarks178 (117)61 182 (107)75 
Software640 (423)217 595 (367)228 
Other204 (101)103 194 (79)115 
Indefinite-lived intangibles168 — 168 164 — 164 
Other Intangibles$3,812 $(1,493)$2,319 $3,646 $(1,267)$2,379 
Amortization expense related to finite-lived intangible assets was $78 million and $231 million for the three and nine-month periods ended September 30, 2025, respectively. Amortization expense related to finite-lived intangible assets was $73 million and $229 million for the three and nine-month periods ended September 30, 2024, respectively.
During the second quarter of 2025, we recognized a $2 million impairment charge for internally developed software within our Measurement and Control Solutions segment and a $2 million impairment charge for software within Corporate.
During the first quarter of 2025, we recognized $1 million and $3 million impairment charges for internally developed software within our Water Infrastructure and Water Solutions and Services segments, respectively.
During the second quarter of 2024, we recognized a $13 million impairment charge primarily related to customer relationships and trademarks due to restructuring actions within our Water Solutions and Services segment.
During the first quarter of 2024, we recognized a $1 million impairment charge for internally developed software within Corporate.