Guarantor Financial Information (Tables)

12 Months Ended

Mar. 31, 2017

Condensed Balance Sheet Statements, Captions [Line Items]

Condensed Consolidating Balance Sheet

CONDENSED CONSOLIDATING BALANCE SHEET

	As of 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 affiliate	25		13,032		—		(13,057		)	—
Note 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
Note payable due 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 affiliate	—		—		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 CONSOLIDATING BALANCE SHEET

	As of March 31, 2016
	Parent/Issuer		Subsidiary Guarantor		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(in millions)
ASSETS
Current assets:
Cash and cash equivalents	$	—	$	2,154	$	487	$	—		$	2,641
Accounts and notes receivable, net	87		27		1,099		(114		)	1,099
Device and accessory inventory	—		—		1,173		—			1,173
Prepaid expenses and other current assets	—		12		1,908		—			1,920
Total current assets	87		2,193		4,667		(114		)	6,833
Investments in subsidiaries	19,783		23,129		—		(42,912		)	—
Property, plant and equipment, net	—		—		20,297		—			20,297
Due from consolidated affiliate	50		19,518		—		(19,568		)	—
Note receivable from consolidated affiliate	10,377		245		—		(10,622		)	—
Intangible assets
Goodwill	—		—		6,575		—			6,575
FCC licenses and other	—		—		40,073		—			40,073
Definite-lived intangible assets, net	—		—		4,469		—			4,469
Other assets	—		1,127		620		(1,019		)	728
Total assets	$	30,297	$	46,212	$	76,701	$	(74,235	)	$	78,975
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Accounts payable	$	—	$	—	$	2,899	$	—		$	2,899
Accrued expenses and other current liabilities	137		531		3,820		(114		)	4,374
Current portion of long-term debt, financing and capital lease obligations	—		3,065		1,625		—			4,690
Total current liabilities	137		3,596		8,344		(114		)	11,963
Long-term debt, financing and capital lease obligations	10,377		11,495		8,415		(1,019		)	29,268
Note payable due to consolidated affiliate	—		10,377		245		(10,622		)	—
Deferred tax liabilities	—		—		13,959		—			13,959
Other liabilities	—		961		3,041		—			4,002
Due to consolidated affiliate	—		—		19,568		(19,568		)	—
Total liabilities	10,514		26,429		53,572		(31,323		)	59,192
Commitments and contingencies
Total stockholders' equity	19,783		19,783		23,129		(42,912		)	19,783
Total liabilities and stockholders' equity	$	30,297	$	46,212	$	76,701	$	(74,235	)	$	78,975

Condensed Consolidating Income Statement

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE LOSS

	Year Ended March 31, 2016
	Parent/Issuer			Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net operating revenues:
Service	$	—		$	—		$	27,174		$	—		$	27,174
Equipment	—			—			5,006			—			5,006
	—			—			32,180			—			32,180
Net operating expenses:
Cost of services (exclusive of depreciation and amortization below)	—			—			9,439			—			9,439
Cost of products (exclusive of depreciation and amortization below)	—			—			5,795			—			5,795
Selling, general and administrative	—			—			8,479			—			8,479
Severance and exit costs	—			—			409			—			409
Depreciation	—			—			5,794			—			5,794
Amortization	—			—			1,294			—			1,294
Other, net	—			—			660			—			660
	—			—			31,870			—			31,870
Operating income	—			—			310			—			310
Other (expense) income:
Interest income	790			165			5			(949		)	11
Interest expense	(790		)	(1,624		)	(717		)	949			(2,182		)
(Losses) earnings of subsidiaries	(1,997		)	(538		)	—			2,535			—
Other income, net	—			—			7			—			7
	(1,997		)	(1,997		)	(705		)	2,535			(2,164		)
(Loss) income before income taxes	(1,997		)	(1,997		)	(395		)	2,535			(1,854		)
Income tax benefit (expense)	2			—			(143		)	—			(141		)
Net (loss) income	(1,995		)	(1,997		)	(538		)	2,535			(1,995		)
Other comprehensive (loss) income	(31		)	(31		)	(21		)	52			(31		)
Comprehensive (loss) income	$	(2,026	)	$	(2,028	)	$	(559	)	$	2,587		$	(2,026	)

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE LOSS

	Year Ended March 31, 2015
	Parent/Issuer			Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net operating revenues:
Service	$	—		$	—		$	29,542		$	—		$	29,542
Equipment	—			—			4,990			—			4,990
	—			—			34,532			—			34,532
Net operating expenses:
Cost of services (exclusive of depreciation and amortization below)	—			—			9,660			—			9,660
Cost of products (exclusive of depreciation and amortization below)	—			—			9,309			—			9,309
Selling, general and administrative	—			—			9,563			—			9,563
Impairments	—			—			2,133			—			2,133
Severance and exit costs	—			—			304			—			304
Depreciation	—			—			3,797			—			3,797
Amortization	—			—			1,552			—			1,552
Other, net	—			1			108			—			109
	—			1			36,426			—			36,427
Operating loss	—			(1		)	(1,894		)	—			(1,895		)
Other (expense) income:
Interest income	687			146			3			(824		)	12
Interest expense	(687		)	(1,521		)	(667		)	824			(2,051		)
(Losses) earnings of subsidiaries	(3,345		)	(1,970		)	—			5,315			—
Other income, net	—			1			14			—			15
	(3,345		)	(3,344		)	(650		)	5,315			(2,024		)
(Loss) income before income taxes	(3,345		)	(3,345		)	(2,544		)	5,315			(3,919		)
Income tax benefit	—			—			574			—			574
Net (loss) income	(3,345		)	(3,345		)	(1,970		)	5,315			(3,345		)
Other comprehensive (loss) income	(365		)	(365		)	(355		)	720			(365		)
Comprehensive (loss) income	$	(3,710	)	$	(3,710	)	$	(2,325	)	$	6,035		$	(3,710	)

Condensed Consolidating Cash Flow Statement

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

	Year Ended March 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	$	—		$	(1,421	)	$	5,551		$	(233	)	$	3,897
Cash flows from investing activities:
Capital expenditures - network and other	—			—			(4,680		)	—			(4,680		)
Capital expenditures - leased devices	—			—			(2,292		)	—			(2,292		)
Expenditures relating to FCC licenses	—			—			(98		)	—			(98		)
Proceeds from sales and maturities of short-term investments	—			343			75			—			418
Purchases of short-term investments	—			(197		)	(55		)	—			(252		)
Change in amounts due from/due to consolidated affiliates	1			(36		)	—			35			—
Proceeds from sales of assets and FCC licenses	—			—			62			—			62
Proceeds from sale-leaseback transaction	—			—			1,136			—			1,136
Intercompany note advance to consolidated affiliate	—			(159		)	—			159			—
Proceeds from intercompany note advance to consolidated affiliate	—			372			—			(372		)	—
Other, net	—			—			(29		)	—			(29		)
Net cash provided by (used in) investing activities	1			323			(5,881		)	(178		)	(5,735		)
Cash flows from financing activities:
Proceeds from debt and financings	—			250			1,105			—			1,355
Repayments of debt, financing and capital lease obligations	—			(500		)	(399		)	—			(899		)
Debt financing costs	(1		)	—			(10		)	—			(11		)
Intercompany dividends paid to consolidated affiliate	—			—			(233		)	233			—
Change in amounts due from/due to consolidated affiliates	—			—			35			(35		)	—
Intercompany note advance from parent	—			—			159			(159		)	—
Repayments of intercompany note advance from parent	—			—			(372		)	372			—
Other, net	—			10			14			—			24
Net cash (used in) provided by financing activities	(1		)	(240		)	299			411			469
Net decrease in cash and cash equivalents	—			(1,338		)	(31		)	—			(1,369		)
Cash and cash equivalents, beginning of period	—			3,492			518			—			4,010
Cash and cash equivalents, end of period	$	—		$	2,154		$	487		$	—		$	2,641

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

	Year Ended March 31, 2015
	Parent/Issuer			Subsidiary Guarantor			Non- Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Cash flows from operating activities:
Net cash (used in) provided by operating activities	$	—		$	(750	)	$	3,700		$	(500	)	$	2,450
Cash flows from investing activities:
Capital expenditures - network and other	—			—			(5,422		)	—			(5,422		)
Capital expenditures - leased devices	—			—			(582		)	—			(582		)
Expenditures relating to FCC licenses	—			—			(163		)	—			(163		)
Reimbursements relating to FCC licenses	—			—			95			—			95
Proceeds from sales and maturities of short-term investments	—			3,061			70			—			3,131
Purchases of short-term investments	—			(1,987		)	(90		)	—			(2,077		)
Change in amounts due from/due to consolidated affiliates	—			(2,425		)	—			2,425			—
Proceeds from sales of assets and FCC licenses	—			—			315			—			315
Intercompany note advance to consolidated affiliate	(1,481		)	(343		)	—			1,824			—
Other, net	—			—			(11		)	—			(11		)
Net cash (used in) provided by investing activities	(1,481		)	(1,694		)	(5,788		)	4,249			(4,714		)
Cash flows from financing activities:
Proceeds from debt and financings	1,500			300			130			—			1,930
Repayments of debt and capital lease obligations	—			—			(574		)	—			(574		)
Debt financing costs	(21		)	(5		)	(61		)	—			(87		)
Intercompany dividends paid to consolidated affiliate	—			—			(500		)	500			—
Change in amounts due from/due to consolidated affiliates	2			—			2,423			(2,425		)	—
Intercompany note advance from parent	—			1,481			343			(1,824		)	—
Other, net	—			35			—			—			35
Net cash provided by (used in) financing activities	1,481			1,811			1,761			(3,749		)	1,304
Net decrease in cash and cash equivalents	—			(633		)	(327		)	—			(960		)
Cash and cash equivalents, beginning of period	—			4,125			845			—			4,970
Cash and cash equivalents, end of period	$	—		$	3,492		$	518		$	—		$	4,010