Fixed Assets (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Fixed Assets [Text Block]

(dollars in millions)	Estimated Useful Lives	2020		2019
Land		$	773	$	292
Buildings and improvements	12-45 years	7,067		4,978
Machinery, tools and equipment	3-20 years	15,994		12,936
Other, including assets under construction		2,512		1,871
		26,346		20,077
Accumulated depreciation		(11,384)		(9,755)
		$	14,962	$	10,322