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v2.4.1.9

Other Consolidated Financial Statement Detail (Details) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Accrued Expenses and Other |  |  |
Revenue-related rebates | $ 584,200,000 us-gaap_ValuationAllowancesAndReservesBalance |  | $ 483,800,000 us-gaap_ValuationAllowancesAndReservesBalance
Employee compensation and benefits | 202,300,000 us-gaap_EmployeeRelatedLiabilitiesCurrent |  | 393,800,000 us-gaap_EmployeeRelatedLiabilitiesCurrent
Royalties and licensing fees | 150,400,000 us-gaap_AccruedRoyaltiesCurrent |  | 172,400,000 us-gaap_AccruedRoyaltiesCurrent
Deferred revenue | 124,900,000 us-gaap_DeferredRevenueCurrent |  | 120,900,000 us-gaap_DeferredRevenueCurrent
Current portion of contingent consideration obligations | 64,400,000 us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent |  | 265,500,000 us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent
Other | 403,500,000 us-gaap_OtherAccruedLiabilitiesCurrent |  | 507,500,000 us-gaap_OtherAccruedLiabilitiesCurrent
Total accrued expenses and other | 1,384,774,000 us-gaap_OtherLiabilitiesCurrent |  | 1,819,334,000 us-gaap_OtherLiabilitiesCurrent
Other Income (Expense), Net |  |  |
Interest income | 3,300,000 us-gaap_InvestmentIncomeInterest | 2,700,000 us-gaap_InvestmentIncomeInterest |
Interest expense | (6,700,000)us-gaap_InterestExpense | (7,600,000)us-gaap_InterestExpense |
Gain (loss) on sales of investments, net | (1,700,000)us-gaap_GainLossOnSaleOfInvestments | 3,000,000 us-gaap_GainLossOnSaleOfInvestments |
Foreign exchange gains (losses), net | (13,000,000)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax | (3,300,000)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax |
Other, net | 3,100,000 biib_OtherIncomeExpenseNet | (400,000)biib_OtherIncomeExpenseNet |
Total other income (expense), net | (14,986,000)us-gaap_OtherNonoperatingIncomeExpense | (5,601,000)us-gaap_OtherNonoperatingIncomeExpense |
Liabilities, Noncurrent |  |  |
Contingent consideration obligations | 397,500,000 us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent |  | 200,000,000 us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent
Employee related liabilities noncurrent | 213,300,000 biib_Employeerelatedliabilitiesnoncurrent |  | 200,700,000 biib_Employeerelatedliabilitiesnoncurrent
Other | 281,700,000 us-gaap_OtherAccruedLiabilitiesNoncurrent |  | 249,400,000 us-gaap_OtherAccruedLiabilitiesNoncurrent
Total other long-term liabilities | 892,529,000 us-gaap_OtherLiabilitiesNoncurrent |  | 650,096,000 us-gaap_OtherLiabilitiesNoncurrent
Component of accrued expenses and other |  |  |
Accrued Expenses and Other |  |  |
Revenue-related rebates | $ 439,300,000 us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherCurrentLiabilitiesMember |  | $ 359,200,000 us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherCurrentLiabilitiesMember

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