Fixed Assets (Tables)

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Fixed Assets [Text Block]

(dollars in millions)	Estimated Useful Lives	2019		2018
Land		$	292	$	266
Buildings and improvements	12-40 years	4,978		4,768
Machinery, tools and equipment	3-20 years	12,936		11,951
Other, including assets under construction		1,871		1,735
		20,077		18,720
Accumulated depreciation		(9,755)		(8,814)
		$	10,322	$	9,906