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Fixed Assets (Tables)
12 Months Ended
Dec. 31, 2022
Property, Plant and Equipment [Abstract]  
Fixed Assets, Net
(dollars in millions)Estimated
Useful Lives
20222021
Land$744 $765 
Buildings and improvements
10-45 years
7,519 7,271 
Machinery, tools and equipment
3-20 years
17,479 16,729 
Other, including assets under construction 3,374 2,872 
Fixed assets, gross29,116 27,637 
Accumulated depreciation (13,946)(12,665)
Fixed assets, net$15,170 $14,972