v3.25.4
Property, Plant and Equipment, Net - Additional Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Property, Plant and Equipment [Line Items]      
Depreciation charge $ 1,753 $ 1,658 $ 1,464
Reduction in depreciation charges due to public funding 129 96 69
Property, plant and equipment, net 11,058 10,877  
Proceeds from sale of tangible assets 9 5 8
Impairment of long-lived assets 169 0 $ 0
Buildings      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, net 868 769  
Impairment of long-lived assets 30    
Facilities and leasehold improvements      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, net 1,341 1,347  
Impairment of long-lived assets 86    
Machinery and equipment      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, net 5,989 6,341  
Impairment of long-lived assets 53    
Variable interest entity, primary beneficiary | SANAN STMicroelectronics JV      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, net $ 433 $ 316