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Property, Plant & Equipment
 12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment [Abstract]  
Property, Plant & Equipment PROPERTY, PLANT & EQUIPMENT
($ in millions)
At December 31:20252024
Land and land improvements$182 $179 
Buildings and building and leasehold improvements4,807 4,825 
Information technology equipment8,885 8,895 
Production, engineering, office and other equipment4,000 3,792 
Total—gross17,874 17,691 
Less: Accumulated depreciation11,975 11,959 
Total—net$5,899 $5,731