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Property, Plant and Equipment
6 Months Ended
Sep. 30, 2014
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Note 6.
Property, Plant and Equipment
Property, plant and equipment consists primarily of network equipment and other long-lived assets used to provide service to our subscribers. Property plant and equipment for the six-month periods ended September 30, 2014 and 2013 included non-cash additions of approximately $570 million and $50 million, respectively, along with corresponding increases in "Accounts payable" and "Accrued expenses and other current liabilities." Also included in Property, plant and equipment for the Successor six-month period ended September 30, 2014 are non-cash additions of approximately $70 million related to leased handsets along with a corresponding decrease in "Device and accessory inventory."
The following table presents the components of property, plant and equipment, and the related accumulated depreciation:
 
Successor
 
September 30,
2014
 
March 31,
2014
 
(in millions)
Land
$
265

 
$
265

Network equipment, site costs and related software
16,810

 
14,902

Buildings and improvements
752

 
745

Non-network internal use software, office equipment and other
1,084

 
866

Construction in progress
2,598

 
1,970

Less: accumulated depreciation
(3,952
)
 
(2,449
)
Property, plant and equipment, net
$
17,557

 
$
16,299