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Property, Plant & Equipment (Tables)
12 Months Ended
Dec. 31, 2019
Property, Plant & Equipment  
Property, Plant & Equipment

($ in millions)

    

    

    

    

At December 31:

2019

2018

Land and land improvements

$

365

$

448

Buildings and building and leasehold improvements

9,364

9,640

Information technology equipment

18,054

17,468

Production, engineering, office and other equipment

3,721

4,081

Plant and other property—gross

31,504

31,636

Less: Accumulated depreciation

21,726

21,276

Plant and other property—net

9,778

10,359

Rental machines

523

824

Less: Accumulated depreciation

292

392

Rental machines—net

232

433

Total—net

$

10,010

$

10,792