Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying value of goodwill by operating segment

Changes in the carrying value of goodwill by reportable segment during the years ended December 31, 2021 and 2020 are as follows:

(in millions)	Water Infrastructure		Applied Water		Measurement & Control Solutions		Total
Balance as of December 31, 2019	$	651	$	513	$	1,675	$	2,839
Activity in 2020
Impairment	—		—		(58)		(58)
Foreign currency and other	17		16		40		73
Balance as of December 31, 2020	$	668	$	529	$	1,657	$	2,854
Activity in 2021
Foreign currency and other	(12)		(14)		(36)		(62)
Balance as of December 31, 2021	$	656	$	515	$	1,621	$	2,792

Schedule of Intangible Assets and Goodwill

Information regarding our other intangible assets is as follows:

(in millions)	December 31, 2021						December 31, 2020
	Carrying Amount		Accumulated Amortization		Net Intangibles		Carrying Amount		Accumulated Amortization		Net Intangibles
Customer and distributor relationships	$	929	$	(456)	$	473	$	941	$	(410)	$	531
Proprietary technology and patents	201		(142)		59		206		(131)		75
Trademarks	141		(72)		69		143		(63)		80
Software	548		(303)		245		500		(265)		235
Other	21		(18)		3		21		(18)		3
Indefinite-lived intangibles	167		—		167		169		—		169
Other intangibles	$	2,007	$	(991)	$	1,016	$	1,980	$	(887)	$	1,093

Estimated Amortization Expense

Estimated amortization expense for each of the five succeeding years is as follows:

(in millions)
2022	$	124
2023	119
2024	111
2025	104
2026	97