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Fixed Assets (Tables)
12 Months Ended
Dec. 31, 2024
Property, Plant and Equipment [Abstract]  
Fixed Assets, Net
Fixed assets, net, consisted of the following:
(dollars in millions)Estimated
Useful Lives
20242023
Land$695 $743 
Buildings and improvements
10-45 years
8,615 8,151 
Machinery, tools, and equipment
3-20 years
19,738 18,904 
Other, including assets under construction 3,735 3,594 
Fixed assets, gross32,783 31,392 
Accumulated depreciation (16,694)(15,644)
Fixed assets, net$16,089 $15,748