v3.26.1
Identifiable Intangible Assets, Net and Goodwill - Schedule of Finite-lived and Indefinite-lived Intangible Assets (Detail) - USD ($)
$ in Millions
Jun. 28, 2026
Dec. 31, 2025
Intangible Asset, Finite-Lived [Line Items]    
Finite-lived intangible assets, gross carrying amount $ 104,198 $ 104,006
Finite-lived intangible assets, accumulated amortization (74,925) (72,496)
Finite-lived intangible assets, net 29,273 31,510
Indefinite-lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets 17,780 22,221
Intangible assets, gross carrying amount 121,978 126,227
Finite-lived intangible assets, accumulated amortization (74,925) (72,496)
Identifiable Intangible Assets, less Accumulated Amortization 47,053 53,731
IPR&D [Member]    
Indefinite-lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets [1] 17,320 21,760
License Agreements and Other [Member]    
Indefinite-lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets 460 460
Developed technology rights [Member]    
Intangible Asset, Finite-Lived [Line Items]    
Finite-lived intangible assets, gross carrying amount [1] 100,799 100,630
Finite-lived intangible assets, accumulated amortization [1] (72,512) (70,172)
Finite-lived intangible assets, net [1] 28,287 30,458
Indefinite-lived Intangible Assets [Line Items]    
Finite-lived intangible assets, accumulated amortization [1] (72,512) (70,172)
Brands [Member]    
Intangible Asset, Finite-Lived [Line Items]    
Finite-lived intangible assets, gross carrying amount 1,035 1,035
Finite-lived intangible assets, accumulated amortization (1,035) (1,035)
Finite-lived intangible assets, net 0 0
Indefinite-lived Intangible Assets [Line Items]    
Finite-lived intangible assets, accumulated amortization (1,035) (1,035)
License Agreements and Other [Member]    
Intangible Asset, Finite-Lived [Line Items]    
Finite-lived intangible assets, gross carrying amount 2,364 2,341
Finite-lived intangible assets, accumulated amortization (1,378) (1,289)
Finite-lived intangible assets, net 986 1,052
Indefinite-lived Intangible Assets [Line Items]    
Finite-lived intangible assets, accumulated amortization $ (1,378) $ (1,289)
[1] The gross carrying amounts as of June 28, 2026 reflect impairments of $3.8 billion in IPR&D assets and $525 million in developed technology rights (see Note 4). The gross carrying amounts also reflect a transfer of $580 million from IPR&D to developed technology rights for Tukysa (tucatinib).