Annual report pursuant to Section 13 and 15(d)

PROPERTY, PLANT AND EQUIPMENT

v2.4.1.9
PROPERTY, PLANT AND EQUIPMENT
 12 Months Ended
Dec. 31, 2014
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment, including both owned assets as well as assets subject to capital leases, consists of the following as of December 31 (in millions):
 
2014
 
2013
Vehicles
$
7,542

 
$
6,762

Aircraft
15,801

 
15,772

Land
1,145

 
1,163

Buildings
3,276

 
3,260

Building and leasehold improvements
3,266

 
3,116

Plant equipment
7,649

 
7,221

Technology equipment
1,608

 
1,569

Equipment under operating leases
34

 
44

Construction-in-progress
299

 
244

 
40,620

 
39,151

Less: Accumulated depreciation and amortization
(22,339
)
 
(21,190
)
 
$
18,281

 
$
17,961


We continually monitor our aircraft fleet utilization in light of current and projected volume levels, aircraft fuel prices and other factors. Additionally, we monitor our other property, plant and equipment categories for any indicators that the carrying value of the assets may not be recoverable. No impairment charges on property, plant and equipment were recorded in 2014, 2013 or 2012.