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Guarantor Financial Information (Narrative) (Details) (USD $)
Mar. 31, 2005
Dec. 31, 2001
Sep. 30, 2009
Dec. 31, 2014
Senior Notes Due In Two Thousand Fifteen [Member]        
Debt instrument, face amount $ 300,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= ir_SeniorNotesDueInTwoThousandFifteenMember		      
Debt instrument, interest rate   4.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= ir_SeniorNotesDueInTwoThousandFifteenMember		    
Ireland Reorganization Note [Member]        
Debt instrument, face amount     15,000,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= ir_IrelandReorganizationNoteMember		  
Settlement of net intercompany payables     4,100,000,000ir_SettlementOfNetIntercompanyPayables
/ us-gaap_DebtInstrumentAxis
= ir_IrelandReorganizationNoteMember		  
Senior Notes Issued in 2014 [Member]        
Debt instrument, face amount       $ 1,100,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LongtermDebtTypeAxis
= ir_SeniorNotesIssuedin2014Member