Guarantor Financial Information (Tables)

9 Months Ended

Dec. 31, 2017

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Condensed Balance Sheet

CONDENSED CONSOLIDATING BALANCE SHEET

	December 31, 2017
	Parent/Issuer		Subsidiary Guarantor		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(in millions)
ASSETS
Current assets:
Cash and cash equivalents	$	—	$	3,948	$	492	$	—		$	4,440
Short-term investments	—		173		—		—			173
Accounts and notes receivable, net	196		445		3,917		(641		)	3,917
Current portion of notes receivable from consolidated affiliate	—		424		—		(424		)	—
Device and accessory inventory	—		—		1,009		—			1,009
Prepaid expenses and other current assets	1		8		617		—			626
Total current assets	197		4,998		6,035		(1,065		)	10,165
Investments in subsidiaries	26,233		36,237		—		(62,470		)	—
Property, plant and equipment, net	—		—		19,712		—			19,712
Due from consolidated affiliates	1		—		13,776		(13,777		)	—
Notes receivable from consolidated affiliate	10,407		22,491		—		(32,898		)	—
Intangible assets
Goodwill	—		—		6,586		—			6,586
FCC licenses and other	—		—		41,222		—			41,222
Definite-lived intangible assets, net	—		—		2,667		—			2,667
Other assets	—		196		871		—			1,067
Total assets	$	36,838	$	63,922	$	90,869	$	(110,210	)	$	81,419
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Accounts payable	$	—	$	—	$	3,176	$	—		$	3,176
Accrued expenses and other current liabilities	196		383		3,921		(641		)	3,859
Current portion of long-term debt, financing and capital lease obligations	—		1,895		2,141		—			4,036
Current portion of notes payable to consolidated affiliate	—		—		424		(424		)	—
Total current liabilities	196		2,278		9,662		(1,065		)	11,071
Long-term debt, financing and capital lease obligations	10,407		10,407		12,011		—			32,825
Notes payable to consolidated affiliate	—		10,407		22,491		(32,898		)	—
Deferred tax liabilities	—		—		7,709		—			7,709
Other liabilities	—		820		2,689		—			3,509
Due to consolidated affiliates	—		13,777		—		(13,777		)	—
Total liabilities	10,603		37,689		54,562		(47,740		)	55,114
Commitments and contingencies
Total stockholders' equity	26,235		26,233		36,237		(62,470		)	26,235
Noncontrolling interests	—		—		70		—			70
Total equity	26,235		26,233		36,307		(62,470		)	26,305
Total liabilities and equity	$	36,838	$	63,922	$	90,869	$	(110,210	)	$	81,419

CONDENSED CONSOLIDATING BALANCE SHEET

	March 31, 2017
	Parent/Issuer		Subsidiary Guarantor		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(in millions)
ASSETS
Current assets:
Cash and cash equivalents	$	—	$	2,461	$	409	$	—		$	2,870
Short-term investments	—		5,444		—		—			5,444
Accounts and notes receivable, net	86		1		4,137		(86		)	4,138
Device and accessory inventory	—		—		1,064		—			1,064
Prepaid expenses and other current assets	—		11		590		—			601
Total current assets	86		7,917		6,200		(86		)	14,117
Investments in subsidiaries	18,800		23,854		—		(42,654		)	—
Property, plant and equipment, net	—		—		19,209		—			19,209
Due from consolidated affiliates	25		13,032		—		(13,057		)	—
Notes receivable from consolidated affiliate	10,394		575		—		(10,969		)	—
Intangible assets
Goodwill	—		—		6,579		—			6,579
FCC licenses and other	—		—		40,585		—			40,585
Definite-lived intangible assets, net	—		—		3,320		—			3,320
Other assets	—		134		1,179		—			1,313
Total assets	$	29,305	$	45,512	$	77,072	$	(66,766	)	$	85,123
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Accounts payable	$	—	$	—	$	3,281	$	—		$	3,281
Accrued expenses and other current liabilities	103		478		3,646		(86		)	4,141
Current portion of long-term debt, financing and capital lease obligations	—		1,356		3,680		—			5,036
Total current liabilities	103		1,834		10,607		(86		)	12,458
Long-term debt, financing and capital lease obligations	10,394		13,647		11,837		—			35,878
Notes payable to consolidated affiliate	—		10,394		575		(10,969		)	—
Deferred tax liabilities	—		—		14,416		—			14,416
Other liabilities	—		837		2,726		—			3,563
Due to consolidated affiliates	—		—		13,057		(13,057		)	—
Total liabilities	10,497		26,712		53,218		(24,112		)	66,315
Commitments and contingencies
Total stockholders' equity	18,808		18,800		23,854		(42,654		)	18,808
Total liabilities and stockholders' equity	$	29,305	$	45,512	$	77,072	$	(66,766	)	$	85,123

Condensed Income Statement

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (LOSS)

	Three Months Ended December 31, 2017
	Parent/Issuer			Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net operating revenues	$	—		$	—		$	8,239		$	—		$	8,239
Net operating expenses:
Cost of services (exclusive of depreciation and amortization included below)	—			—			1,733			—			1,733
Cost of products (exclusive of depreciation and amortization included below)	—			—			1,673			—			1,673
Selling, general and administrative	—			—			2,108			—			2,108
Severance and exit costs	—			—			13			—			13
Depreciation	—			—			1,977			—			1,977
Amortization	—			—			196			—			196
Other, net	—			—			(188		)	—			(188		)
	—			—			7,512			—			7,512
Operating income	—			—			727			—			727
Other income (expense):
Interest income	198			458			1			(643		)	14
Interest expense	(198		)	(382		)	(644		)	643			(581		)
Earnings (losses) of subsidiaries	7,162			7,088			—			(14,250		)	—
Other expense, net	—			(2		)	(54		)	—			(56		)
	7,162			7,162			(697		)	(14,250		)	(623		)
Income (loss) before income taxes	7,162			7,162			30			(14,250		)	104
Income tax benefit	—			—			7,052			—			7,052
Net income (loss)	7,162			7,162			7,082			(14,250		)	7,156
Less: Net loss attributable to noncontrolling interests	—			—			6			—			6
Net income (loss) attributable to Sprint Corporation	7,162			7,162			7,088			(14,250		)	7,162
Other comprehensive income (loss)	26			26			6			(32		)	26
Comprehensive income (loss)	$	7,188		$	7,188		$	7,088		$	(14,282	)	$	7,182

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE (LOSS) INCOME

	Three Months Ended December 31, 2016
	Parent/Issuer			Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net operating revenues	$	—		$	—		$	8,549		$	—		$	8,549
Net operating expenses:
Cost of services (exclusive of depreciation and amortization included below)	—			—			1,925			—			1,925
Cost of products (exclusive of depreciation and amortization included below)	—			—			1,985			—			1,985
Selling, general and administrative	—			—			2,080			—			2,080
Severance and exit costs	—			—			19			—			19
Depreciation	—			—			1,837			—			1,837
Amortization	—			—			255			—			255
Other, net	—			—			137			—			137
	—			—			8,238			—			8,238
Operating income	—			—			311			—			311
Other (expense) income:
Interest income	198			43			4			(233		)	12
Interest expense	(198		)	(409		)	(245		)	233			(619		)
(Losses) earnings of subsidiaries	(479		)	(38		)	—			517			—
Other (expense) income, net	—			(75		)	3			—			(72		)
	(479		)	(479		)	(238		)	517			(679		)
(Loss) income before income taxes	(479		)	(479		)	73			517			(368		)
Income tax expense	—			—			(111		)	—			(111		)
Net (loss) income	(479		)	(479		)	(38		)	517			(479		)
Other comprehensive (loss) income	(5		)	(5		)	(4		)	9			(5		)
Comprehensive (loss) income	$	(484	)	$	(484	)	$	(42	)	$	526		$	(484	)

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (LOSS)

	Nine Months Ended December 31, 2017
	Parent/Issuer			Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net operating revenues	$	—		$	—		$	24,323		$	—		$	24,323
Net operating expenses:
Cost of services (exclusive of depreciation and amortization included below)	—			—			5,140			—			5,140
Cost of products (exclusive of depreciation and amortization included below)	—			—			4,622			—			4,622
Selling, general and administrative	—			—			6,059			—			6,059
Severance and exit costs	—			—			13			—			13
Depreciation	—			—			5,693			—			5,693
Amortization	—			—			628			—			628
Other, net	—			(55		)	(268		)	—			(323		)
	—			(55		)	21,887			—			21,832
Operating income	—			55			2,436			—			2,491
Other income (expense):
Interest income	593			783			10			(1,320		)	66
Interest expense	(593		)	(1,171		)	(1,345		)	1,320			(1,789		)
Earnings (losses) of subsidiaries	7,320			7,722			—			(15,042		)	—
Other expense, net	—			(69		)	(47		)	—			(116		)
	7,320			7,265			(1,382		)	(15,042		)	(1,839		)
Income (loss) before income taxes	7,320			7,320			1,054			(15,042		)	652
Income tax benefit	—			—			6,662			—			6,662
Net income (loss)	7,320			7,320			7,716			(15,042		)	7,314
Less: Net loss attributable to noncontrolling interests	—			—			6			—			6
Net income (loss) attributable to Sprint Corporation	7,320			7,320			7,722			(15,042		)	7,320
Other comprehensive income (loss)	38			38			18			(56		)	38
Comprehensive income (loss)	$	7,358		$	7,358		$	7,734		$	(15,098	)	$	7,352

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE (LOSS) INCOME

	Nine Months Ended December 31, 2016
	Parent/Issuer			Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net operating revenues	$	—		$	—		$	24,808		$	—		$	24,808
Net operating expenses:
Cost of services (exclusive of depreciation and amortization included below)	—			—			6,125			—			6,125
Cost of products (exclusive of depreciation and amortization included below)	—			—			5,097			—			5,097
Selling, general and administrative	—			—			5,992			—			5,992
Severance and exit costs	—			—			30			—			30
Depreciation	—			—			5,227			—			5,227
Amortization	—			—			813			—			813
Other, net	—			—			230			—			230
	—			—			23,514			—			23,514
Operating income	—			—			1,294			—			1,294
Other (expense) income:
Interest income	593			105			13			(674		)	37
Interest expense	(593		)	(1,271		)	(674		)	674			(1,864		)
(Losses) earnings of subsidiaries	(923		)	320			—			603			—
Other expense, net	—			(77		)	(27		)	—			(104		)
	(923		)	(923		)	(688		)	603			(1,931		)
(Loss) income before income taxes	(923		)	(923		)	606			603			(637		)
Income tax expense	—			—			(286		)	—			(286		)
Net (loss) income	(923		)	(923		)	320			603			(923		)
Other comprehensive income (loss)	2			2			3			(5		)	2
Comprehensive (loss) income	$	(921	)	$	(921	)	$	323		$	598		$	(921	)

Condensed Cash Flow Statement

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

	Nine Months Ended December 31, 2017
	Parent/Issuer		Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Cash flows from operating activities:
Net cash (used in) provided by operating activities	$	—	$	(1,143	)	$	5,548		$	—		$	4,405
Cash flows from investing activities:
Capital expenditures - network and other	—		—			(2,499		)	—			(2,499		)
Capital expenditures - leased devices	—		—			(1,787		)	—			(1,787		)
Expenditures relating to FCC licenses	—		—			(92		)	—			(92		)
Proceeds from sales and maturities of short-term investments	—		7,113			—			—			7,113
Purchases of short-term investments	—		(1,842		)	—			—			(1,842		)
Change in amounts due from/due to consolidated affiliates	—		—			689			(689		)	—
Proceeds from sales of assets and FCC licenses	—		—			367			—			367
Proceeds from intercompany note advance to consolidated affiliate	—		575			—			(575		)	—
Other, net	—		—			16			—			16
Net cash provided by (used in) investing activities	—		5,846			(3,306		)	(1,264		)	1,276
Cash flows from financing activities:
Proceeds from debt and financings	—		—			3,073			—			3,073
Repayments of debt, financing and capital lease obligations	—		(2,530		)	(4,629		)	—			(7,159		)
Debt financing costs	—		(9		)	(10		)	—			(19		)
Change in amounts due from/due to consolidated affiliates	—		(689		)	—			689			—
Repayments of intercompany note advance from parent	—		—			(575		)	575			—
Other, net	—		12			(18		)	—			(6		)
Net cash used in financing activities	—		(3,216		)	(2,159		)	1,264			(4,111		)
Net increase in cash and cash equivalents	—		1,487			83			—			1,570
Cash and cash equivalents, beginning of period	—		2,461			409			—			2,870
Cash and cash equivalents, end of period	$	—	$	3,948		$	492		$	—		$	4,440

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

	Nine Months Ended December 31, 2016
	Parent/Issuer		Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Cash flows from operating activities:
Net cash (used in) provided by operating activities	$	—	$	(1,168	)	$	4,186		$	(118	)	$	2,900
Cash flows from investing activities:
Capital expenditures - network and other	—		—			(1,421		)	—			(1,421		)
Capital expenditures - leased devices	—		—			(1,530		)	—			(1,530		)
Expenditures relating to FCC licenses	—		—			(46		)	—			(46		)
Proceeds from sales and maturities of short-term investments	—		2,614			35			—			2,649
Purchases of short-term investments	—		(4,943		)	(55		)	—			(4,998		)
Change in amounts due from/due to consolidated affiliates	—		6,865			—			(6,865		)	—
Proceeds from sales of assets and FCC licenses	—		—			126			—			126
Intercompany note advance to consolidated affiliate	—		(392		)	—			392			—
Proceeds from intercompany note advance to consolidated affiliate	—		62			—			(62		)	—
Other, net	—		—			26			—			26
Net cash provided by (used in) investing activities	—		4,206			(2,865		)	(6,535		)	(5,194		)
Cash flows from financing activities:
Proceeds from debt and financings	—		—			6,830			—			6,830
Repayments of debt, financing and capital lease obligations	—		(2,000		)	(1,266		)	—			(3,266		)
Debt financing costs	—		(110		)	(162		)	—			(272		)
Intercompany dividends paid to consolidated affiliate	—		—			(118		)	118			—
Change in amounts due from/due to consolidated affiliates	—		—			(6,865		)	6,865			—
Intercompany note advance from consolidated affiliate	—		—			392			(392		)	—
Repayments of intercompany note advance from consolidated affiliate	—		—			(62		)	62			—
Other, net	—		35			33			—			68
Net cash (used in) provided by financing activities	—		(2,075		)	(1,218		)	6,653			3,360
Net increase in cash and cash equivalents	—		963			103			—			1,066
Cash and cash equivalents, beginning of period	—		2,154			487			—			2,641
Cash and cash equivalents, end of period	$	—	$	3,117		$	590		$	—		$	3,707