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Property, Plant and Equipment (Tables)
 9 Months Ended
Sep. 30, 2017
Property, Plant and Equipment  
Schedule of property, plant and equipment

 

 

 

 

 

 

 

 

 

September 30,

 

December 31,

($ in millions)

    

2017

    

2016

 

 

 

 

 

 

 

Land

 

$

173

 

$

105

Buildings

 

 

1,377

 

 

1,301

Machinery and equipment

 

 

5,075

 

 

4,723

Construction-in-progress

 

 

549

 

 

503

 

 

 

7,174

 

 

6,632

Accumulated depreciation

 

 

(2,649)

 

 

(2,245)

 

 

$

4,525

 

$

4,387