v3.25.4
Acquisitions (Tables)
 12 Months Ended
Dec. 31, 2025
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]  
Schedule of Business Acquisitions, by Acquisition
The following table summarizes the final total consideration and allocated acquisition date fair values of assets acquired and liabilities assumed, inclusive of measurement-period adjustments (in millions):
Cash and cash equivalents$681 
Inventories5,014 
Property, plant and equipment, net318 
Finite-lived intangible assets—developed-product-technology rights
19,590 
IPR&D1,060 
Goodwill3,136 
Deferred tax asset795 
Deferred tax liability(2,488)
Other assets and liabilities, net(273)
Total assets acquired, net of liabilities assumed
$27,833 
Schedule of Supplemental Pro Forma Financial Information
The following table presents the unaudited supplemental pro forma results of a hypothetical combined Amgen and Horizon entity for the years ended December 31, 2023 and 2022, as if the acquisition of Horizon had occurred on January 1, 2022 (in millions):
Years ended December 31,
20232022
Total revenues
$30,969 $29,964 
Net income$5,383 $2,381