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Fixed Assets
12 Months Ended
Dec. 31, 2023
Property, Plant and Equipment [Abstract]  
Fixed Assets, Net
NOTE 8: FIXED ASSETS, NET
Fixed assets, net, consisted of the following:
(dollars in millions)Estimated
Useful Lives
20232022
Land$743 $744 
Buildings and improvements
10-45 years
8,151 7,519 
Machinery, tools, and equipment
3-20 years
18,904 17,479 
Other, including assets under construction 3,594 3,374 
Fixed assets, gross31,392 29,116 
Accumulated depreciation (15,644)(13,946)
Fixed assets, net$15,748 $15,170 
Leasehold improvements are amortized over the lesser of the remaining lease term or the estimated useful life of the improvement.
Depreciation expense related to Fixed assets, net is recorded predominantly utilizing the straight-line method and was $1.8 billion in 2023, 2022, and 2021.