v3.20.4
Product, Geographic and Other Revenue Information - Schedules of Concentration of Risk (Details) - Revenue [Member] - Customer Concentration Risk [Member]
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
McKesson, Inc. [Member]      
Concentration Risk [Line Items]      
Percentage of total revenues 16.00% 15.00% 13.00%
AmerisourceBergen Corporation [Member]      
Concentration Risk [Line Items]      
Percentage of total revenues 13.00% 11.00% 8.00%
Cardinal Health, Inc. [Member]      
Concentration Risk [Line Items]      
Percentage of total revenues 10.00% 9.00% 8.00%