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Property, Plant and Equipment, Net (Tables)
 3 Months Ended
Mar. 31, 2019
Property, Plant and Equipment, Net.  
Schedule of property, plant and equipment

 

 

 

 

 

 

 

 

 

March 31,

 

December 31,

($ in millions)

    

2019

    

2018

 

 

 

 

 

 

 

Land

 

$

159

 

$

159

Buildings

 

 

1,306

 

 

1,359

Machinery and equipment

 

 

5,069

 

 

5,250

Construction-in-progress

 

 

510

 

 

509

 

 

 

7,044

 

 

7,277

Accumulated depreciation

 

 

(2,684)

 

 

(2,735)

 

 

$

4,360

 

$

4,542