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Debt (Senior Notes) (Narrative) (Details) (USD $)
 12 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Jun. 30, 2013
Dec. 31, 2012
Nov. 13, 2013
Jun. 18, 2013
Nov. 09, 2010
May 12, 2010
Dec. 19, 2014
Debt Instrument [Line Items]                  
Long-term debt, gross $ 6,273,000,000us-gaap_DebtInstrumentCarryingAmount                
Long-term debt 8,138,500,000us-gaap_LongTermDebt 7,586,500,000us-gaap_LongTermDebt              
Senior Notes | 2016 Senior Notes (1.350% coupon)                  
Debt Instrument [Line Items]                  
Long-term debt, gross         500,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandSixteen1.35PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		        
Debt instrument, interest rate, stated percentage         1.35%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandSixteen1.35PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		        
Long-term debt 499,800,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandSixteen1.35PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 [1] 499,700,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandSixteen1.35PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 [1]              
Senior Notes | 2019 Senior Notes (2.550% coupon)                  
Debt Instrument [Line Items]                  
Long-term debt, gross         500,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandNineteenMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		        
Debt instrument, interest rate, stated percentage         2.55%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandNineteenMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		        
Long-term debt 499,000,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandNineteenMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 [2] 498,800,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandNineteenMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 [2]              
Senior Notes | 2023 Senior Notes (4.200% coupon)                  
Debt Instrument [Line Items]                  
Long-term debt, gross         500,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandTwentyThree4.2PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		        
Debt instrument, interest rate, stated percentage         4.20%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandTwentyThree4.2PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		        
Long-term debt 498,200,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandTwentyThree4.2PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 [3] 498,100,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandTwentyThree4.2PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 [3]              
Senior Notes | 2043 Senior Notes (5.400% coupon)                  
Debt Instrument [Line Items]                  
Long-term debt, gross         500,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandFortyThreeMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		        
Debt instrument, interest rate, stated percentage         5.40%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandFortyThreeMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		        
Long-term debt 497,000,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandFortyThreeMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 [3] 496,900,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandFortyThreeMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 [3]              
Senior Notes | Senior Notes issued in November 2013                  
Debt Instrument [Line Items]                  
Long-term debt   1,990,000,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesissuedinNovember2013Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		              
Unamortized discount   6,500,000us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesissuedinNovember2013Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		              
Senior Notes | 2016 Senior Notes (1.800% coupon)                  
Debt Instrument [Line Items]                  
Long-term debt, gross           500,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandSixteen1.8PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		      
Debt instrument, interest rate, stated percentage           1.80%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandSixteen1.8PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		      
Long-term debt 500,200,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandSixteen1.8PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 [2] 499,200,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandSixteen1.8PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 [2]              
Unamortized discount 200,000us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandSixteen1.8PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		                
Senior Notes | 2018 Senior Notes (6.000% coupon)                  
Debt Instrument [Line Items]                  
Debt instrument, interest rate, stated percentage             6.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandAndEighteen6PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		    
Long-term debt 0us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandAndEighteen6PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 [4] 811,400,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandAndEighteen6PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 [4]              
Total redemption amount 824,000,000us-gaap_ExtinguishmentOfDebtAmount
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandAndEighteen6PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		                
Senior Notes | 2018 Senior Notes (2.600% coupon)                  
Debt Instrument [Line Items]                  
Long-term debt, gross           650,000,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandEighteen2.6PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		      
Debt instrument, interest rate, stated percentage           2.60%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandEighteen2.6PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		      
Long-term debt 649,000,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandEighteen2.6PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 [5] 648,800,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandEighteen2.6PercentMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 [5]              
Senior Notes | 2017 Senior Notes (7.625% coupon)                  
Debt Instrument [Line Items]                  
Debt instrument, interest rate, stated percentage               7.625%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandSeventeenMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 [5]  
Total redemption amount   608,800,000us-gaap_ExtinguishmentOfDebtAmount
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandSeventeenMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		              
Redemption premium   63,900,000us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandSeventeenMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		              
Senior Notes | Redemption premium | 2018 Senior Notes (6.000% coupon)                  
Debt Instrument [Line Items]                  
Redemption premium 24,000,000us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandAndEighteen6PercentMember
/ us-gaap_ExtinguishmentOfDebtAxis
= myl_RedemptionPremiumMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		                
Senior Notes | Redemption premium | 2017 Senior Notes (7.625% coupon)                  
Debt Instrument [Line Items]                  
Redemption premium   58,800,000us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandSeventeenMember
/ us-gaap_ExtinguishmentOfDebtAxis
= myl_RedemptionPremiumMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		              
Loans payable | U.S. Term Loans                  
Debt Instrument [Line Items]                  
Long-term debt 800,000,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_USTermLoansMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansPayableMember		 0us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_USTermLoansMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansPayableMember		             800,000,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= myl_USTermLoansMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansPayableMember
Repayments of debt     1,130,000,000us-gaap_RepaymentsOfDebt
/ us-gaap_DebtInstrumentAxis
= myl_USTermLoansMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansPayableMember		            
Fair value hedging                  
Debt Instrument [Line Items]                  
Amount of (Loss) or Gain Recognized in Earnings on Hedging Items (27,000,000)us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_FairValueHedgingMember		 32,900,000us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_FairValueHedgingMember		   (6,800,000)us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_FairValueHedgingMember		          
Interest expense | Fair value hedging | 2016 Senior Notes (1.800% coupon)                  
Debt Instrument [Line Items]                  
Amount of (Loss) or Gain Recognized in Earnings on Hedging Items (900,000)us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings
/ us-gaap_DerivativeInstrumentRiskAxis
= myl_SeniorNotesTwoThousandSixteen1.8PercentMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_FairValueHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_InterestExpenseMember		 400,000us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings
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= myl_SeniorNotesTwoThousandSixteen1.8PercentMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_FairValueHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_InterestExpenseMember		              
Interest expense | Fair value hedging | 2018 Senior Notes (6.000% coupon)                  
Debt Instrument [Line Items]                  
Amount of (Loss) or Gain Recognized in Earnings on Hedging Items 4,600,000us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings
/ us-gaap_DerivativeInstrumentRiskAxis
= myl_SeniorNotesTwoThousandAndEighteen6PercentMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_FairValueHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_InterestExpenseMember		 17,100,000us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings
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= myl_SeniorNotesTwoThousandAndEighteen6PercentMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_FairValueHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_InterestExpenseMember		   (6,800,000)us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings
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= myl_SeniorNotesTwoThousandAndEighteen6PercentMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_FairValueHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_InterestExpenseMember		          
Other expense (income), net | Senior Notes | 2018 Senior Notes (6.000% coupon)                  
Debt Instrument [Line Items]                  
Redemption premium 33,300,000us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_DebtInstrumentAxis
= myl_SeniorNotesTwoThousandAndEighteen6PercentMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_OtherExpenseMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		                
Other expense (income), net | Fair value hedging | 2018 Senior Notes (6.000% coupon)                  
Debt Instrument [Line Items]                  
Amount of (Loss) or Gain Recognized in Earnings on Hedging Items (15,000,000)us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings
/ us-gaap_DerivativeInstrumentRiskAxis
= myl_SeniorNotesTwoThousandAndEighteen6PercentMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_FairValueHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_OtherIncomeMember		                
Terminated | Interest expense | Fair value hedging | 2016 Senior Notes (1.800% coupon)                  
Debt Instrument [Line Items]                  
Amount of (Loss) or Gain Recognized in Earnings on Hedging Items 400,000us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings
/ us-gaap_DerivativeByNatureAxis
= myl_TerminatedMember
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= myl_SeniorNotesTwoThousandSixteen1.8PercentMember
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_FairValueHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_InterestExpenseMember		                
Terminated | Other expense (income), net | Fair value hedging | 2018 Senior Notes (6.000% coupon)                  
Debt Instrument [Line Items]                  
Amount of (Loss) or Gain Recognized in Earnings on Hedging Items $ 15,000,000us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings
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= us-gaap_FairValueHedgingMember
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[1] (b) Instrument is callable by the Company at any time at the greater of 100% of the principal amount or the sum of the present values of the remaining scheduled payments of principal and interest discounted at the U.S. Treasury rate plus 0.125% plus, in each case, accrued and unpaid interest
[2] (a) Instrument is callable by the Company at any time at the greater of 100% of the principal amount or the sum of the present values of the remaining scheduled payments of principal and interest discounted at the U.S. Treasury rate plus 0.20% plus, in each case, accrued and unpaid interest
[3] (f) Instrument is callable by the Company at any time at the greater of 100% of the principal amount or the sum of the present value of the remaining scheduled payments of principal and interest discounted at the U.S. Treasury rate plus 0.25% plus, in each case, accrued and unpaid interest.
[4] (d) Instrument was redeemed by the Company on November 15, 2014 at a redemption price of 103.000% of the principal amount.
[5] (c) Instrument is callable by the Company at any time at the greater of 100% of the principal amount or the sum of the present values of the remaining scheduled payments of principal and interest discounted at the U.S. Treasury rate plus 0.30% plus, in each case, accrued and unpaid interest