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Deferred Revenue - Additional Information (Details1) - Genentech, Inc. - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2022-01-01
Dec. 31, 2021
Disaggregation Of Revenue [Line Items]  
Deferred revenue, expected to be recognized 12 months
Minimum  
Disaggregation Of Revenue [Line Items]  
Deferred revenue, expected to be recognized 5 years
Maximum  
Disaggregation Of Revenue [Line Items]  
Deferred revenue, expected to be recognized 6 years