Long-Term Debt, Financing and Capital Lease Obligations (Tables)

12 Months Ended

Mar. 31, 2018

Long-term Debt and Capital Lease Obligations [Abstract]

Schedule of Long-term Debt Instruments

	Interest Rates			Maturities			March 31, 2018			March 31, 2017
							(in millions)
Notes
Senior notes
Sprint Corporation	7.13	-	7.88%	2021	-	2026	$	12,000		$	10,500
Sprint Communications, Inc.(1)	6.00	-	11.50%	2020	-	2022	4,980			6,080
Sprint Capital Corporation	6.88	-	8.75%	2019	-	2032	6,204			6,204
Senior secured notes
Sprint Spectrum Co LLC, Sprint Spectrum Co II LLC, Sprint Spectrum Co III LLC	3.36	-	5.15%	2021		2028	7,000			3,500
Sprint Communications, Inc.(1)	9.25%			2022			—			200
Guaranteed notes
Sprint Communications, Inc.	7.00	-	9.00%	2018	-	2020	2,753			4,000
Exchangeable notes
Clearwire Communications LLC	8.25%			2017			—			629
Credit facilities
Secured revolving bank credit facility	4.19%			2021			—			—
Secured term loan	4.44%			2024			3,960			4,000
PRWireless term loan	7.55%			2020			182			—
Export Development Canada (EDC)	4.13%			2019			300			300
Secured equipment credit facilities	3.02	-	3.72%	2020	-	2021	527			431
Accounts receivable facility	2.89	-	3.39%	2019			2,411			1,964
Financing obligations, capital lease and other obligations	2.35	-	12.00%	2018	-	2026	686			3,016
Net premiums and debt financing costs							(111		)	90
							40,892			40,914
Less current portion							(3,429		)	(5,036		)
Long-term debt, financing and capital lease obligations							$	37,463		$	35,878

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(1) The Sprint Communications, Inc. $200 million9.25% senior notes due 2022 were unsecured as of March 31, 2018.

Schedule of Maturities of Long-term Debt

Aggregate amount of maturities for long-term debt, financing and capital lease obligations outstanding as of March 31, 2018, were as follows (in millions):

Fiscal year 2018	$	3,393
Fiscal year 2019	5,598
Fiscal year 2020	3,644
Fiscal year 2021	4,395
Fiscal year 2022	3,089
Fiscal year 2023 and thereafter	20,884
	41,003
Net premiums and debt financing costs	(111		)
	$	40,892