v3.26.1
Collaborative Arrangements - Ridgeback Biotherapeutics LP (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Sales $ 16,607 $ 15,806 $ 32,893 $ 31,335
Cost of sales 4,395 3,557 8,590 6,976
Selling, general and administrative 2,904 2,649 5,604 5,202
Ridgeback Biotherapeutics LP | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Cost of sales 14 44 67 97
Selling, general and administrative 9 14 19 28
Research and development 5 6 10 14
Ridgeback Biotherapeutics LP | Lagevrio | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Sales $ 5 $ 83 $ 32 $ 185