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Goodwill and Other Intangible Assets (Goodwill Rollforward) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2023 USD ($)
Changes in the carrying value of goodwill by operating segment
Beginning balance	$ 2,719
Acquired	4,442
Foreign currency and other	(12)
Ending balance	7,149
Water Infrastructure
Changes in the carrying value of goodwill by operating segment
Beginning balance	638
Acquired	1,588
Foreign currency and other	(4)
Ending balance	2,222
Applied Water
Changes in the carrying value of goodwill by operating segment
Beginning balance	502
Acquired	241
Foreign currency and other	(1)
Ending balance	742
Measurement & Control Solutions
Changes in the carrying value of goodwill by operating segment
Beginning balance	1,579
Acquired	80
Foreign currency and other	(7)
Ending balance	1,652
Integrated Solutions & Services
Changes in the carrying value of goodwill by operating segment
Beginning balance	0
Acquired	2,533
Foreign currency and other	0
Ending balance	$ 2,533

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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