Quarterly report pursuant to Section 13 or 15(d)

Revenue - Potential Milestone Payments (Details)

v3.10.0.1
Revenue - Potential Milestone Payments (Details) - Strategic Partnerships and Other License Agreements
$ in Millions
Jun. 30, 2018
USD ($)
Research, Development & Commercial Milestones  
Revenue Recognition, Milestone Method [Line Items]  
Potential milestone payments $ 2,893
Sales Milestones  
Revenue Recognition, Milestone Method [Line Items]  
Potential milestone payments 2,327
Seattle Genetics | Research, Development & Commercial Milestones  
Revenue Recognition, Milestone Method [Line Items]  
Potential milestone payments 769
Seattle Genetics | Sales Milestones  
Revenue Recognition, Milestone Method [Line Items]  
Potential milestone payments 450
AstraZeneca | Research, Development & Commercial Milestones  
Revenue Recognition, Milestone Method [Line Items]  
Potential milestone payments 1,111
AstraZeneca | Sales Milestones  
Revenue Recognition, Milestone Method [Line Items]  
Potential milestone payments 960
Servier | Research, Development & Commercial Milestones  
Revenue Recognition, Milestone Method [Line Items]  
Potential milestone payments 1,013
Servier | Sales Milestones  
Revenue Recognition, Milestone Method [Line Items]  
Potential milestone payments $ 917