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Amount, before allowance for credit loss, of right to consideration in exchange for good or service transferred to customer, when right is conditioned on something other than passage of time.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-Topic 606
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Amount of decrease in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time from transfer to receivable due to right to consideration becoming unconditional.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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-Topic 606
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-Topic 606
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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
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Amount of revenue recognized from performance obligation satisfied or partially satisfied in previous reporting periods. Includes, but is not limited to, change in transaction price.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
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Contract With Customer, Asset, Foreign Currency And Other

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Contract With Customer, Asset, New Contract Additions

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Contract With Customer, Liability, Additions

No definition available.

Name:	xyl_ContractWithCustomerLiabilityAdditions
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Contract With Customer, Liability, Foreign Currency And Other

No definition available.