v3.26.1
Goodwill and Intangible Assets (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Goodwill and Intangible Assets [Line Items]    
Goodwill, non-deductible $ 35,244 $ 24,035
Increase in goodwill 11,400  
Increase in goodwill due to foreign currency translation adjustments (200)  
Amount of reductions of goodwill relating to impairments 0  
Gross amount of amortizable intangible assets 39,800 27,600
Increase in amortizable intangible assets due to acquisition 12,300  
Accumulated amortization of intangible assets 24,300 23,300
Estimated annual amortization expense, intangible assets, 2026 2,600  
Estimated annual amortization expense, intangible assets, 2027 2,300  
Estimated annual amortization expense, intangible assets, 2028 1,800  
Estimated annual amortization expense, intangible assets, 2029 1,700  
Estimated annual amortization expense, intangible assets, 2030 1,500  
Acquired intangible assets, non-deductible 1,700 $ 1,200
Established Pharmaceuticals    
Goodwill and Intangible Assets [Line Items]    
Goodwill, non-deductible 2,700  
Nutritional Products    
Goodwill and Intangible Assets [Line Items]    
Goodwill, non-deductible 300  
Diagnostic Products    
Goodwill and Intangible Assets [Line Items]    
Goodwill, non-deductible 15,000  
Medical Devices    
Goodwill and Intangible Assets [Line Items]    
Goodwill, non-deductible $ 17,300