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Goodwill and Other Intangible Assets
 3 Months Ended
Mar. 31, 2023
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 three months ended March 31, 2023 are as follows:
(in millions)
Water
Infrastructure
Applied WaterMeasurement & Control SolutionsTotal
Balance as of January 1, 2023$638 $502 $1,579 $2,719 
Activity in 2023
Foreign currency and other5 4 10 19 
Balance as of March 31, 2023$643 $506 $1,589 $2,738 

Other Intangible Assets
Information regarding our other intangible assets is as follows:
March 31, 2023December 31, 2022
(in millions)
Carrying
Amount
Accumulated
Amortization
Net
Intangibles
Carrying
Amount
Accumulated
Amortization
Net
Intangibles
Customer and distributor relationships$788 $(385)$403 $784 $(371)$413 
Proprietary technology and patents166 (121)45 165 (118)47 
Trademarks138 (84)54 137 (80)57 
Software531 (285)246 514 (268)246 
Other5 (3)2 5 (3)2 
Indefinite-lived intangibles165 — 165 165 — 165 
Other Intangibles$1,793 $(878)$915 $1,770 $(840)$930 
Amortization expense related to finite-lived intangible assets was $32 million and $30 million for the three-month periods ended March 31, 2023 and 2022, respectively.
During the first quarter of 2023, we determined that internally developed in-process software within our Measurement & Control Solutions segment was impaired as a result of actions taken to prioritize strategic investments and we therefore recognized an impairment charge of $2 million.