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Property, Plant and Equipment (Tables)
 6 Months Ended
Jun. 30, 2016
Property, Plant and Equipment  
Schedule of property, plant and equipment

 

 

 

 

 

 

 

 

June 30,

 

December 31,

 

($ in millions)

2016

    

2015

 

 

 

 

 

 

 

 

Land

$
101

 

$
70

 

Buildings

 
1,201

 

 
1,023

 

Machinery and equipment

 
4,722

 

 
3,904

 

Construction-in-progress

 
508

 

 
408

 

 

 
6,532

 

 
5,405

 

Accumulated depreciation

 
(2,136)

 

 
(2,719)

 

 

$
4,396

 

$
2,686