Property, Plant & Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant & Equipment

Schedule of property, plant & equipment

($ in millions)
At December 31:	2021		2020
Land and land improvements	$	224	$	234
Buildings and building and leasehold improvements		6,049		6,407
Information technology equipment		10,515		9,840
Production, engineering, office and other equipment		3,222		3,354
Plant and other property—gross		20,010		19,836
Less: Accumulated depreciation		14,343		13,728
Plant and other property—net		5,668		6,108
Rental machines		74		265
Less: Accumulated depreciation		48		168
Rental machines—net		27		97
Total—net	$	5,694	$	6,205