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FIXED ASSETS, NET (Tables)
9 Months Ended
Sep. 30, 2020
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
(dollars in millions)Estimated Useful Lives (Years)September 30, 2020December 31, 2019
Land$112 $113 
Buildings and improvements401,129 1,138 
Machinery, tools and equipment
3 to 25
2,047 1,924 
Rental assets
3 to 12
404 395 
Other, including assets under construction187 188 
Fixed assets, gross3,879 3,758 
Accumulated depreciation(2,203)(2,095)
Fixed assets, net$1,676 $1,663