XML 88 R58.htm IDEA: XBRL DOCUMENT v2.4.1.9
Deferred Revenue (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Current portion:    
Deferred revenue, current portion $ 74,025us-gaap_DeferredRevenueCurrent $ 47,000us-gaap_DeferredRevenueCurrent
Long-term portion:    
Deferred revenue, long-term portion 176,276us-gaap_DeferredRevenueNoncurrent 184,199us-gaap_DeferredRevenueNoncurrent
Received or receivable from Sanofi    
Current portion:    
Deferred revenue, current portion 15,927us-gaap_DeferredRevenueCurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= regn_CollaborationAgreementWithSanofiMember		 12,815us-gaap_DeferredRevenueCurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= regn_CollaborationAgreementWithSanofiMember
Long-term portion:    
Deferred revenue, long-term portion 72,367us-gaap_DeferredRevenueNoncurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= regn_CollaborationAgreementWithSanofiMember		 76,522us-gaap_DeferredRevenueNoncurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= regn_CollaborationAgreementWithSanofiMember
Received or receivable from Bayer HealthCare    
Current portion:    
Deferred revenue, current portion 33,652us-gaap_DeferredRevenueCurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= regn_CollaborationAgreementWithBayerHealthcareLlcMember		 9,738us-gaap_DeferredRevenueCurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= regn_CollaborationAgreementWithBayerHealthcareLlcMember
Long-term portion:    
Deferred revenue, long-term portion 46,486us-gaap_DeferredRevenueNoncurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= regn_CollaborationAgreementWithBayerHealthcareLlcMember		 26,683us-gaap_DeferredRevenueNoncurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= regn_CollaborationAgreementWithBayerHealthcareLlcMember
Received for technology license agreement    
Current portion:    
Deferred revenue, current portion 23,572us-gaap_DeferredRevenueCurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= us-gaap_NonsoftwareLicenseArrangementMember		 23,572us-gaap_DeferredRevenueCurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= us-gaap_NonsoftwareLicenseArrangementMember
Long-term portion:    
Deferred revenue, long-term portion 57,423us-gaap_DeferredRevenueNoncurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= us-gaap_NonsoftwareLicenseArrangementMember		 80,994us-gaap_DeferredRevenueNoncurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= us-gaap_NonsoftwareLicenseArrangementMember
Other    
Current portion:    
Deferred revenue, current portion $ 874us-gaap_DeferredRevenueCurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= regn_OtherDeferredRevenueAgreementsMember		 $ 875us-gaap_DeferredRevenueCurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= regn_OtherDeferredRevenueAgreementsMember