v3.26.1
Collaborations (Details) - Collaborative arrangement - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Genentech, Inc.        
Collaborative and license agreements        
Collaboration counterparty's share of collaborative arrangement expenses (included in cost of products sold) $ 298 $ 262 $ 582 $ 504
Janssen Biotech Inc.        
Collaborative and license agreements        
Share of collaboration development costs responsible by Janssen (as a percent)     60.00%  
Share of collaboration development costs responsible by the entity (as a percent)     40.00%  
Janssen Biotech Inc. | United States        
Collaborative and license agreements        
Collaboration counterparty's share of collaborative arrangement expenses (included in cost of products sold) 157 253 $ 310 500
Janssen Biotech Inc. | International        
Collaborative and license agreements        
International - AbbVie's share of profits (included in net revenues) $ 195 $ 211 $ 419 $ 420