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Revenue (Narrative) (Details) $ in Millions	Sep. 30, 2023 USD ($)
Revenue from Contract with Customer [Abstract]
Remaining performance obligation	$ 964
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Remaining performance obligation	964
Evoqua Acquisition
Revenue from Contract with Customer [Abstract]
Remaining performance obligation	482
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Remaining performance obligation	$ 482
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-01
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Expected timing of recognition	60 months

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- References

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-13

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-13

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