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PROPERTY, PLANT AND EQUIPMENT
12 Months Ended
Dec. 31, 2018
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Text Block]
PROPERTY, PLANT AND EQUIPMENT AND LEASES
 
 
December 31,
Dollars in Millions
 
2018
 
2017
Land
 
$
104

 
$
100

Buildings
 
5,231

 
4,848

Machinery, equipment and fixtures
 
2,962

 
3,059

Construction in progress
 
548

 
980

Gross property, plant and equipment
 
8,845

 
8,987

Less accumulated depreciation
 
(3,818
)
 
(3,986
)
Property, plant and equipment
 
$
5,027

 
$
5,001

 
 
 
 
 
United States
 
$
3,772

 
$
3,617

Europe
 
1,140

 
1,266

Rest of the World
 
115

 
118

Total
 
$
5,027

 
$
5,001



Depreciation expense was $505 million in 2018, $682 million in 2017 and $448 million in 2016.

Annual minimum rental commitments for non-cancelable operating leases (primarily real estate and motor vehicles) are approximately $100 million in each of the next five years and an aggregate $200 million thereafter. Operating lease expense was approximately $130 million in 2018, $120 million in 2017 and $140 million in 2016. Sublease income and capital lease obligations were not material for all periods presented.