• Filing Date: 2019-10-30
  • Form Type: 10-Q
  • Description: Quarterly report
v3.19.3
Cover Page - shares
9 Months Ended
Sep. 30, 2019
Oct. 28, 2019
Cover page.    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2019  
Document Transition Report false  
Entity File Number 000-31191  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 04-3324394  
Entity Address, Address Line One 8 Sylvan Way  
Entity Address, City or Town Parsippany  
Entity Address, State or Province NJ  
Entity Address, Postal Zip Code 07054  
City Area Code 973  
Local Phone Number 290-6000  
Title of 12(b) Security Common Stock  
Trading Symbol MDCO  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   79,723,499
Entity Central Index Key 0001113481  
Entity Registrant Name MEDICINES CO /DE  
Amendment Flag false  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q3  
Current Fiscal Year End Date --12-31