v3.26.1
Goodwill and other intangible assets - Schedule of Other Intangible Assets (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Intangible Asset, Finite-Lived [Line Items]    
Gross carrying amounts, finite-lived intangible assets $ 54,306 $ 54,350
Accumulated amortization, finite-lived intangible assets (34,529) (32,784)
Other intangible assets, net, finite-lived intangible assets 19,777 21,566
Identifiable intangible assets 55,016 55,060
Accumulated amortization (34,529) (32,784)
Identifiable intangible assets, net 20,487 22,276
In-process research and development    
Intangible Asset, Finite-Lived [Line Items]    
Indefinite-lived intangible assets 710 710
Developed-product-technology rights    
Intangible Asset, Finite-Lived [Line Items]    
Gross carrying amounts, finite-lived intangible assets 47,793 47,805
Accumulated amortization, finite-lived intangible assets (28,450) (26,754)
Other intangible assets, net, finite-lived intangible assets 19,343 21,051
Licensing rights    
Intangible Asset, Finite-Lived [Line Items]    
Gross carrying amounts, finite-lived intangible assets 3,902 3,917
Accumulated amortization, finite-lived intangible assets (3,573) (3,522)
Other intangible assets, net, finite-lived intangible assets 329 395
Research and development technology rights    
Intangible Asset, Finite-Lived [Line Items]    
Gross carrying amounts, finite-lived intangible assets 1,409 1,425
Accumulated amortization, finite-lived intangible assets (1,304) (1,305)
Other intangible assets, net, finite-lived intangible assets 105 120
Marketing-related rights    
Intangible Asset, Finite-Lived [Line Items]    
Gross carrying amounts, finite-lived intangible assets 1,202 1,203
Accumulated amortization, finite-lived intangible assets (1,202) (1,203)
Other intangible assets, net, finite-lived intangible assets $ 0 $ 0