Property, Plant and Equipment (Tables)

6 Months Ended

Sep. 30, 2016

Property, Plant and Equipment [Line Items]

Schedule of Property, Plant and Equipment

The following table presents the components of property, plant and equipment and the related accumulated depreciation:

	September 30, 2016			March 31, 2016
	(in millions)
Land	$	260		$	260
Network equipment, site costs and related software	21,625			21,500
Buildings and improvements	799			798
Non-network internal use software, office equipment, leased devices and other	7,387			6,182
Construction in progress	1,301			1,249
Less: accumulated depreciation	(12,196		)	(9,692		)
Property, plant and equipment, net	$	19,176		$	20,297

Leased devices [Member]

Property, Plant and Equipment [Line Items]

Schedule of Property, Plant and Equipment

The following table presents leased devices and the related accumulated depreciation:

	September 30, 2016			March 31, 2016
	(in millions)
Leased devices	$	6,052		$	4,913
Less: accumulated depreciation	(2,293		)	(1,267		)
Leased devices, net	$	3,759		$	3,646