Commitments and Contingencies (Tables)

12 Months Ended

Mar. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of Contractual Obligation by Maturity Year

As of March 31, 2016, the minimum estimated amounts due under operating leases, spectrum leases and service credits, handset sale-leaseback tranche 1 and purchase orders and other commitments were as follows:

Future Minimum Commitments	Total		Fiscal Year 2016		Fiscal Year 2017		Fiscal Year 2018		Fiscal Year 2019		Fiscal Year 2020		Fiscal Year 2021 and thereafter
	(in millions)
Operating leases	$	14,078	$	2,195	$	2,148	$	2,072	$	1,958	$	1,820	$	3,885
Spectrum leases and service credits	6,707		212		219		221		224		226		5,605
Handset sale-leaseback tranche 1	651		580		71		—		—		—		—
Purchase orders and other commitments	11,224		7,192		1,428		951		499		354		800
Total	$	32,660	$	10,179	$	3,866	$	3,244	$	2,681	$	2,400	$	10,290