Commitments and Contingencies (Tables)

12 Months Ended

Mar. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Contractual Obligation by Maturity Year

As of March 31, 2017, the minimum estimated amounts due under operating leases, spectrum leases and service credits, and purchase orders and other commitments were as follows:

Future Minimum Commitments	Total		Fiscal Year 2017		Fiscal Year 2018		Fiscal Year 2019		Fiscal Year 2020		Fiscal Year 2021		Fiscal Year 2022 and thereafter
	(in millions)
Operating leases	$	12,173	$	2,147	$	2,113	$	2,001	$	1,885	$	1,579	$	2,448
Spectrum leases and service credits	6,971		247		244		268		244		263		5,705
Purchase orders and other commitments	10,051		6,361		1,277		652		429		326		1,006
Total	$	29,195	$	8,755	$	3,634	$	2,921	$	2,558	$	2,168	$	9,159