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v2.4.1.9

Financial Statements of Parent Company Guarantor - Condensed Consolidating Balance Sheet (Detail) (USD $) In Millions, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | --- | --- | ---
Current assets |  |  |  |
Cash and cash equivalents | $ 110.4 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 256.0 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 237.4 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 50.1 us-gaap_CashAndCashEquivalentsAtCarryingValue
Accounts and notes receivable, net | 1,205.9 us-gaap_AccountsAndNotesReceivableNet | 1,285.0 us-gaap_AccountsAndNotesReceivableNet |  |
Inventories | 1,130.4 us-gaap_InventoryNet | 1,195.1 us-gaap_InventoryNet |  |
Other current assets | 366.8 us-gaap_OtherAssetsCurrent | 361.6 us-gaap_OtherAssetsCurrent |  |
Disposal Group, Including Discontinued Operation, Assets, Current | 80.6 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent | 134.4 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent |  |
Total current assets | 2,894.1 us-gaap_AssetsCurrent | 3,232.1 us-gaap_AssetsCurrent |  |
Property, plant and equipment, net | 950.0 us-gaap_PropertyPlantAndEquipmentNet | 1,044.3 us-gaap_PropertyPlantAndEquipmentNet |  |
Other assets |  |  |  |
Investments in subsidiaries | 0 us-gaap_InvestmentsInAndAdvancesToAffiliatesAmountOfEquity | 0 us-gaap_InvestmentsInAndAdvancesToAffiliatesAmountOfEquity |  |
Goodwill | 4,741.9 us-gaap_Goodwill | 4,860.7 us-gaap_Goodwill | 4,837.5 us-gaap_Goodwill |
Intangibles, net | 1,608.1 us-gaap_IntangibleAssetsNetExcludingGoodwill | 1,749.9 us-gaap_IntangibleAssetsNetExcludingGoodwill |  |
Other non-current assets | 436.2 us-gaap_OtherAssetsNoncurrent | 390.0 us-gaap_OtherAssetsNoncurrent |  |
Disposal Group, Including Discontinued Operation, Assets, Noncurrent | 24.9 us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent | 466.3 us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent |  |
Total other assets | 6,811.1 pnr_TotalOtherAssets | 7,466.9 pnr_TotalOtherAssets |  |
Total assets | 10,655.2 us-gaap_Assets | 11,743.3 us-gaap_Assets |  |
Current liabilities |  |  |  |
Current maturities of long-term debt and short-term borrowings | 6.7 us-gaap_LongTermDebtCurrent | 2.5 us-gaap_LongTermDebtCurrent |  |
Accounts payable | 583.1 us-gaap_AccountsPayableCurrent | 576.9 us-gaap_AccountsPayableCurrent |  |
Employee compensation and benefits | 305.5 us-gaap_EmployeeRelatedLiabilitiesCurrent | 312.4 us-gaap_EmployeeRelatedLiabilitiesCurrent |  |
Other current liabilities | 709.1 us-gaap_OtherAccruedLiabilitiesCurrent | 645.9 us-gaap_OtherAccruedLiabilitiesCurrent |  |
Disposal Group, Including Discontinued Operation, Liabilities, Current | 35.1 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent | 72.5 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent |  |
Total current liabilities | 1,639.5 us-gaap_LiabilitiesCurrent | 1,610.2 us-gaap_LiabilitiesCurrent |  |
Other liabilities |  |  |  |
Long-term debt | 2,997.4 us-gaap_LongTermDebtNoncurrent | 2,547.9 us-gaap_LongTermDebtNoncurrent |  |
Pension and other post-retirement compensation and benefits | 322.0 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent | 320.2 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent |  |
Deferred tax liabilities | 528.3 us-gaap_DeferredTaxLiabilitiesNoncurrent | 557.0 us-gaap_DeferredTaxLiabilitiesNoncurrent |  |
Other non-current liabilities | 497.7 us-gaap_OtherLiabilitiesNoncurrent | 456.4 us-gaap_OtherLiabilitiesNoncurrent |  |
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent | 6.5 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent | 33.9 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent |  |
Total liabilities | 5,991.4 us-gaap_Liabilities | 5,525.6 us-gaap_Liabilities |  |
Equity |  |  |  |
Shareholders' equity attributable to Pentair Ltd. and subsidiaries | 4,663.8 us-gaap_StockholdersEquity | 6,095.3 us-gaap_StockholdersEquity |  |
Noncontrolling interest | 0 us-gaap_MinorityInterest | 122.4 us-gaap_MinorityInterest |  |
Total equity | 4,663.8 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 6,217.7 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 6,487.5 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 2,047.4 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Total liabilities and equity | 10,655.2 us-gaap_LiabilitiesAndStockholdersEquity | 11,743.3 us-gaap_LiabilitiesAndStockholdersEquity |  |
Parent Company Guarantor |  |  |  |
Current assets |  |  |  |
Cash and cash equivalents | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0.5 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Accounts and notes receivable, net | 0 us-gaap_AccountsAndNotesReceivableNet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 2.9 us-gaap_AccountsAndNotesReceivableNet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Inventories | 0 us-gaap_InventoryNet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_InventoryNet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Other current assets | 0 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 1.4 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Disposal Group, Including Discontinued Operation, Assets, Current | 0 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Total current assets | 0 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 4.8 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Property, plant and equipment, net | 0 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Other assets |  |  |  |
Investments in subsidiaries | 4,733.0 us-gaap_InvestmentsInAndAdvancesToAffiliatesAmountOfEquity / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 6,224.7 us-gaap_InvestmentsInAndAdvancesToAffiliatesAmountOfEquity / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Goodwill | 0 us-gaap_Goodwill / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_Goodwill / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Intangibles, net | 0 us-gaap_IntangibleAssetsNetExcludingGoodwill / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_IntangibleAssetsNetExcludingGoodwill / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Other non-current assets | 80.2 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 31.6 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Disposal Group, Including Discontinued Operation, Assets, Noncurrent | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Total other assets | 4,813.2 pnr_TotalOtherAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 6,256.3 pnr_TotalOtherAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Total assets | 4,813.2 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 6,261.1 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Current liabilities |  |  |  |
Current maturities of long-term debt and short-term borrowings | 0 us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Accounts payable | 0.9 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 48.1 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Employee compensation and benefits | 0.2 us-gaap_EmployeeRelatedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0.5 us-gaap_EmployeeRelatedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Other current liabilities | 120.6 us-gaap_OtherAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 99.6 us-gaap_OtherAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Disposal Group, Including Discontinued Operation, Liabilities, Current | 0 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Total current liabilities | 121.7 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 148.2 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Other liabilities |  |  |  |
Long-term debt | 11.4 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Pension and other post-retirement compensation and benefits | 0 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Deferred tax liabilities | 0 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Other non-current liabilities | 16.3 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 17.6 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent | 0 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Total liabilities | 149.4 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 165.8 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Equity |  |  |  |
Shareholders' equity attributable to Pentair Ltd. and subsidiaries |  | 6,095.3 us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Noncontrolling interest |  | 0 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Total equity | 4,663.8 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 6,095.3 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Total liabilities and equity | 4,813.2 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 6,261.1 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Guarantor Subsidiaries [Member] |  |  |  |
Current assets |  |  |  |
Cash and cash equivalents | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |
Accounts and notes receivable, net | 0 us-gaap_AccountsAndNotesReceivableNet / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Inventories | 0 us-gaap_InventoryNet / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Other current assets | 17.6 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Disposal Group, Including Discontinued Operation, Assets, Current | 0 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Total current assets | 17.6 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Property, plant and equipment, net | 0 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Other assets |  |  |  |
Investments in subsidiaries | 4,893.8 us-gaap_InvestmentsInAndAdvancesToAffiliatesAmountOfEquity / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Goodwill | 0 us-gaap_Goodwill / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Intangibles, net | 0 us-gaap_IntangibleAssetsNetExcludingGoodwill / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Other non-current assets | 0 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Disposal Group, Including Discontinued Operation, Assets, Noncurrent | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Total other assets | 4,893.8 pnr_TotalOtherAssets / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Total assets | 4,911.4 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Current liabilities |  |  |  |
Current maturities of long-term debt and short-term borrowings | 0 us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Accounts payable | 0 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Employee compensation and benefits | 0.6 us-gaap_EmployeeRelatedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Other current liabilities | 2.2 us-gaap_OtherAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Disposal Group, Including Discontinued Operation, Liabilities, Current | 0 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Total current liabilities | 2.8 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Other liabilities |  |  |  |
Long-term debt | 175.6 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Pension and other post-retirement compensation and benefits | 0 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Deferred tax liabilities | 0 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Other non-current liabilities | 0 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent | 0 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Total liabilities | 178.4 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Equity |  |  |  |
Total equity | 4,733.0 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Total liabilities and equity | 4,911.4 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember |  |  |
Subsidiary Issuer |  |  |  |
Current assets |  |  |  |
Cash and cash equivalents | 0.1 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 47.0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember
Accounts and notes receivable, net | 0 us-gaap_AccountsAndNotesReceivableNet / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 4.0 us-gaap_AccountsAndNotesReceivableNet / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Inventories | 0 us-gaap_InventoryNet / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 0 us-gaap_InventoryNet / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Other current assets | 2.0 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 0.6 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Disposal Group, Including Discontinued Operation, Assets, Current | 0 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 0 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Total current assets | 2.1 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 51.6 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Property, plant and equipment, net | 0 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 0 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Other assets |  |  |  |
Investments in subsidiaries | 7,612.2 us-gaap_InvestmentsInAndAdvancesToAffiliatesAmountOfEquity / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 8,066.6 us-gaap_InvestmentsInAndAdvancesToAffiliatesAmountOfEquity / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Goodwill | 0 us-gaap_Goodwill / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 0 us-gaap_Goodwill / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Intangibles, net | 0 us-gaap_IntangibleAssetsNetExcludingGoodwill / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 0 us-gaap_IntangibleAssetsNetExcludingGoodwill / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Other non-current assets | 1,381.8 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 1,302.7 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Disposal Group, Including Discontinued Operation, Assets, Noncurrent | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Total other assets | 8,994.0 pnr_TotalOtherAssets / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 9,369.3 pnr_TotalOtherAssets / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Total assets | 8,996.1 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 9,420.9 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Current liabilities |  |  |  |
Current maturities of long-term debt and short-term borrowings | 0 us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 0 us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Accounts payable | 0 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 8.6 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Employee compensation and benefits | 0 us-gaap_EmployeeRelatedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 0 us-gaap_EmployeeRelatedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Other current liabilities | 10.9 us-gaap_OtherAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 11.7 us-gaap_OtherAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Disposal Group, Including Discontinued Operation, Liabilities, Current | 0 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 0 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Total current liabilities | 10.9 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 20.3 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Other liabilities |  |  |  |
Long-term debt | 2,860.6 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 2,401.9 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Pension and other post-retirement compensation and benefits | 0 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 0 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Deferred tax liabilities | 2.9 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 2.2 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Other non-current liabilities | 0 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 0 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent | 0 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 0 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Total liabilities | 2,874.4 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 2,424.4 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Equity |  |  |  |
Shareholders' equity attributable to Pentair Ltd. and subsidiaries |  | 6,996.5 us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Noncontrolling interest |  | 0 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Total equity | 6,121.7 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 6,996.5 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Total liabilities and equity | 8,996.1 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember | 9,420.9 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_SubsidiaryIssuerMember |  |
Non-Guarantor Subsidiaries |  |  |  |
Current assets |  |  |  |
Cash and cash equivalents | 110.3 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 208.5 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 237.4 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 50.1 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Accounts and notes receivable, net | 1,206.8 us-gaap_AccountsAndNotesReceivableNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,341.7 us-gaap_AccountsAndNotesReceivableNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Inventories | 1,130.4 us-gaap_InventoryNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,195.1 us-gaap_InventoryNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Other current assets | 367.6 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 359.6 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Disposal Group, Including Discontinued Operation, Assets, Current | 80.6 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 134.4 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Total current assets | 2,895.7 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 3,239.3 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Property, plant and equipment, net | 950.0 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,044.3 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Other assets |  |  |  |
Investments in subsidiaries | 0 us-gaap_InvestmentsInAndAdvancesToAffiliatesAmountOfEquity / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 0 us-gaap_InvestmentsInAndAdvancesToAffiliatesAmountOfEquity / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Goodwill | 4,741.9 us-gaap_Goodwill / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 4,860.7 us-gaap_Goodwill / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Intangibles, net | 1,608.1 us-gaap_IntangibleAssetsNetExcludingGoodwill / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,749.9 us-gaap_IntangibleAssetsNetExcludingGoodwill / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Other non-current assets | 345.0 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 352.4 us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Disposal Group, Including Discontinued Operation, Assets, Noncurrent | 24.9 us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 466.3 us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Total other assets | 6,719.9 pnr_TotalOtherAssets / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 7,429.3 pnr_TotalOtherAssets / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Total assets | 10,565.6 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 11,712.9 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Current liabilities |  |  |  |
Current maturities of long-term debt and short-term borrowings | 6.7 us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 2.5 us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Accounts payable | 583.1 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 583.8 us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Employee compensation and benefits | 304.7 us-gaap_EmployeeRelatedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 311.9 us-gaap_EmployeeRelatedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Other current liabilities | 595.8 us-gaap_OtherAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 534.6 us-gaap_OtherAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Disposal Group, Including Discontinued Operation, Liabilities, Current | 35.1 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 72.5 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Total current liabilities | 1,525.4 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,505.3 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Other liabilities |  |  |  |
Long-term debt | 1,320.6 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,442.7 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Pension and other post-retirement compensation and benefits | 322.0 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 320.2 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Deferred tax liabilities | 525.4 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 554.8 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Other non-current liabilities | 481.4 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 438.8 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent | 6.5 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 33.9 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Total liabilities | 4,181.3 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 4,295.7 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Equity |  |  |  |
Shareholders' equity attributable to Pentair Ltd. and subsidiaries |  | 7,294.8 us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Noncontrolling interest |  | 122.4 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Total equity | 6,384.3 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 7,417.2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Total liabilities and equity | 10,565.6 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 11,712.9 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Eliminations |  |  |  |
Current assets |  |  |  |
Cash and cash equivalents | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember
Accounts and notes receivable, net | (0.9)us-gaap_AccountsAndNotesReceivableNet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (63.6)us-gaap_AccountsAndNotesReceivableNet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Inventories | 0 us-gaap_InventoryNet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_InventoryNet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Other current assets | (20.4)us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_OtherAssetsCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Disposal Group, Including Discontinued Operation, Assets, Current | 0 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Total current assets | (21.3)us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (63.6)us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Property, plant and equipment, net | 0 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Other assets |  |  |  |
Investments in subsidiaries | (17,239.0)us-gaap_InvestmentsInAndAdvancesToAffiliatesAmountOfEquity / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (14,291.3)us-gaap_InvestmentsInAndAdvancesToAffiliatesAmountOfEquity / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Goodwill | 0 us-gaap_Goodwill / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_Goodwill / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Intangibles, net | 0 us-gaap_IntangibleAssetsNetExcludingGoodwill / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_IntangibleAssetsNetExcludingGoodwill / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Other non-current assets | (1,370.8)us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (1,296.7)us-gaap_OtherAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Disposal Group, Including Discontinued Operation, Assets, Noncurrent | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Total other assets | (18,609.8)pnr_TotalOtherAssets / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (15,588.0)pnr_TotalOtherAssets / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Total assets | (18,631.1)us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (15,651.6)us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Current liabilities |  |  |  |
Current maturities of long-term debt and short-term borrowings | 0 us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_LongTermDebtCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Accounts payable | (0.9)us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (63.6)us-gaap_AccountsPayableCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Employee compensation and benefits | 0 us-gaap_EmployeeRelatedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_EmployeeRelatedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Other current liabilities | (20.4)us-gaap_OtherAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_OtherAccruedLiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Disposal Group, Including Discontinued Operation, Liabilities, Current | 0 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Total current liabilities | (21.3)us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (63.6)us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Other liabilities |  |  |  |
Long-term debt | (1,370.8)us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (1,296.7)us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Pension and other post-retirement compensation and benefits | 0 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Deferred tax liabilities | 0 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Other non-current liabilities | 0 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent | 0 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | 0 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Total liabilities | (1,392.1)us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (1,360.3)us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Equity |  |  |  |
Shareholders' equity attributable to Pentair Ltd. and subsidiaries |  | (14,291.3)us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Noncontrolling interest |  | 0 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Total equity | (17,239.0)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | (14,291.3)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |
Total liabilities and equity | $ (18,631.1)us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember | $ (15,651.6)us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |

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