v3.26.1
Identifiable Intangible Assets, Net and Goodwill - Schedule of Finite-lived and Indefinite-lived Intangible Assets (Detail) - USD ($)
$ in Millions
Mar. 29, 2026
Dec. 31, 2025
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount $ 104,780 $ 104,006
Finite-lived intangible assets, accumulated amortization (73,862) (72,496)
Finite-lived intangible assets, net 30,918 31,510
Indefinite-lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets 21,641 22,221
Intangible assets, gross carrying amount 126,421 126,227
Finite-lived intangible assets, accumulated amortization (73,862) (72,496)
Identifiable Intangible Assets, less Accumulated Amortization 52,559 53,731
IPR&D [Member]    
Indefinite-lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets [1] 21,180 21,760
License Agreements and Other [Member]    
Indefinite-lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets 460 460
Developed technology rights [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount [1] 101,396 100,630
Finite-lived intangible assets, accumulated amortization [1] (71,491) (70,172)
Finite-lived intangible assets, net [1] 29,905 30,458
Indefinite-lived Intangible Assets [Line Items]    
Finite-lived intangible assets, accumulated amortization [1] (71,491) (70,172)
Brands [Member]    
Finite-Lived Intangible Assets [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]    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 2,350 2,341
Finite-lived intangible assets, accumulated amortization (1,336) (1,289)
Finite-lived intangible assets, net 1,013 1,052
Indefinite-lived Intangible Assets [Line Items]    
Finite-lived intangible assets, accumulated amortization $ (1,336) $ (1,289)
[1] The gross carrying amounts reflect a transfer of $580 million from IPR&D to developed technology rights for Tukysa (tucatinib).