Guarantor Financial Information (Tables)

6 Months Ended

Sep. 30, 2017

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Condensed Balance Sheet

CONDENSED CONSOLIDATING BALANCE SHEET

	September 30, 2017
	Parent/Issuer		Subsidiary Guarantor		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(in millions)
ASSETS
Current assets:
Cash and cash equivalents	$	—	$	4,319	$	483	$	—		$	4,802
Short-term investments	—		1,610		—		—			1,610
Accounts and notes receivable, net	87		236		4,118		(323		)	4,118
Current portion of notes receivable from consolidated affiliate	—		424		—		(424		)	—
Device and accessory inventory	—		—		751		—			751
Prepaid expenses and other current assets	—		12		642		—			654
Total current assets	87		6,601		5,994		(747		)	11,935
Investments in subsidiaries	19,012		24,684		—		(43,696		)	—
Property, plant and equipment, net	—		—		18,901		—			18,901
Due from consolidated affiliates	9		204		—		(213		)	—
Notes receivable from consolidated affiliate	10,402		11,256		—		(21,658		)	—
Intangible assets
Goodwill	—		—		6,578		—			6,578
FCC licenses and other	—		—		41,072		—			41,072
Definite-lived intangible assets, net	—		—		2,848		—			2,848
Other assets	—		192		940		—			1,132
Total assets	$	29,510	$	42,937	$	76,333	$	(66,314	)	$	82,466
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Accounts payable	$	—	$	—	$	2,947	$	—		$	2,947
Accrued expenses and other current liabilities	88		338		3,705		(323		)	3,808
Current portion of long-term debt, financing and capital lease obligations	—		40		4,102		—			4,142
Current portion of notes payable to consolidated affiliate	—		—		424		(424		)	—
Total current liabilities	88		378		11,178		(747		)	10,897
Long-term debt, financing and capital lease obligations	10,402		12,303		11,531		—			34,236
Notes payable to consolidated affiliate	—		10,402		11,256		(21,658		)	—
Deferred tax liabilities	—		—		14,780		—			14,780
Other liabilities	—		842		2,691		—			3,533
Due to consolidated affiliates	—		—		213		(213		)	—
Total liabilities	10,490		23,925		51,649		(22,618		)	63,446
Commitments and contingencies
Total stockholders' equity	19,020		19,012		24,684		(43,696		)	19,020
Total liabilities and stockholders' equity	$	29,510	$	42,937	$	76,333	$	(66,314	)	$	82,466

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 (LOSS) INCOME

	Three Months Ended September 30, 2017
	Parent/Issuer			Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net operating revenues	$	—		$	—		$	7,927		$	—		$	7,927
Net operating expenses:
Cost of services (exclusive of depreciation and amortization included below)	—			—			1,698			—			1,698
Cost of products (exclusive of depreciation and amortization included below)	—			—			1,404			—			1,404
Selling, general and administrative	—			—			2,013			—			2,013
Depreciation	—			—			1,885			—			1,885
Amortization	—			—			209			—			209
Other, net	—			—			117			—			117
	—			—			7,326			—			7,326
Operating income	—			—			601			—			601
Other (expense) income:
Interest income	197			280			5			(449		)	33
Interest expense	(197		)	(438		)	(409		)	449			(595		)
(Losses) earnings of subsidiaries	(48		)	110			—			(62		)	—
Other income, net	—			—			11			—			11
	(48		)	(48		)	(393		)	(62		)	(551		)
(Loss) income before income taxes	(48		)	(48		)	208			(62		)	50
Income tax expense	—			—			(98		)	—			(98		)
Net (loss) income	(48		)	(48		)	110			(62		)	(48		)
Other comprehensive income (loss)	16			16			7			(23		)	16
Comprehensive (loss) income	$	(32	)	$	(32	)	$	117		$	(85	)	$	(32	)

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE (LOSS) INCOME

	Three Months Ended September 30, 2016
	Parent/Issuer			Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net operating revenues	$	—		$	—		$	8,247		$	—		$	8,247
Net operating expenses:
Cost of services (exclusive of depreciation and amortization included below)	—			—			2,101			—			2,101
Cost of products (exclusive of depreciation and amortization included below)	—			—			1,693			—			1,693
Selling, general and administrative	—			—			1,995			—			1,995
Severance and exit costs	—			—			(5		)	—			(5		)
Depreciation	—			—			1,710			—			1,710
Amortization	—			—			271			—			271
Other, net	—			—			(140		)	—			(140		)
	—			—			7,625			—			7,625
Operating income	—			—			622			—			622
Other (expense) income:
Interest income	197			34			6			(222		)	15
Interest expense	(197		)	(439		)	(216		)	222			(630		)
(Losses) earnings of subsidiaries	(142		)	264			—			(122		)	—
Other expense, net	—			(1		)	(29		)	—			(30		)
	(142		)	(142		)	(239		)	(122		)	(645		)
(Loss) income before income taxes	(142		)	(142		)	383			(122		)	(23		)
Income tax expense	—			—			(119		)	—			(119		)
Net (loss) income	(142		)	(142		)	264			(122		)	(142		)
Other comprehensive income (loss)	8			8			6			(14		)	8
Comprehensive (loss) income	$	(134	)	$	(134	)	$	270		$	(136	)	$	(134	)

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (LOSS)

	Six Months Ended September 30, 2017
	Parent/Issuer			Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net operating revenues	$	—		$	—		$	16,084		$	—		$	16,084
Net operating expenses:
Cost of services (exclusive of depreciation and amortization included below)	—			—			3,407			—			3,407
Cost of products (exclusive of depreciation and amortization included below)	—			—			2,949			—			2,949
Selling, general and administrative	—			—			3,951			—			3,951
Severance and exit costs	—			—			—			—			—
Depreciation	—			—			3,716			—			3,716
Amortization	—			—			432			—			432
Other, net	—			(55		)	(80		)	—			(135		)
	—			(55		)	14,375			—			14,320
Operating income	—			55			1,709			—			1,764
Other income (expense):
Interest income	395			325			9			(677		)	52
Interest expense	(395		)	(789		)	(701		)	677			(1,208		)
Earnings (losses) of subsidiaries	158			634			—			(792		)	—
Other (expense) income, net	—			(67		)	7			—			(60		)
	158			103			(685		)	(792		)	(1,216		)
Income (loss) before income taxes	158			158			1,024			(792		)	548
Income tax expense	—			—			(390		)	—			(390		)
Net income (loss)	158			158			634			(792		)	158
Other comprehensive income (loss)	12			12			12			(24		)	12
Comprehensive income (loss)	$	170		$	170		$	646		$	(816	)	$	170

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE (LOSS) INCOME

	Six Months Ended September 30, 2016
	Parent/Issuer			Subsidiary Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net operating revenues	$	—		$	—		$	16,259		$	—		$	16,259
Net operating expenses:
Cost of services (exclusive of depreciation and amortization included below)	—			—			4,200			—			4,200
Cost of products (exclusive of depreciation and amortization included below)	—			—			3,112			—			3,112
Selling, general and administrative	—			—			3,912			—			3,912
Severance and exit costs	—			—			11			—			11
Depreciation	—			—			3,390			—			3,390
Amortization	—			—			558			—			558
Other, net	—			—			93			—			93
	—			—			15,276			—			15,276
Operating income	—			—			983			—			983
Other (expense) income:
Interest income	395			62			9			(441		)	25
Interest expense	(395		)	(862		)	(429		)	441			(1,245		)
(Losses) earnings of subsidiaries	(444		)	358			—			86			—
Other expense, net	—			(2		)	(30		)	—			(32		)
	(444		)	(444		)	(450		)	86			(1,252		)
(Loss) income before income taxes	(444		)	(444		)	533			86			(269		)
Income tax expense	—			—			(175		)	—			(175		)
Net (loss) income	(444		)	(444		)	358			86			(444		)
Other comprehensive income (loss)	7			7			7			(14		)	7
Comprehensive (loss) income	$	(437	)	$	(437	)	$	365		$	72		$	(437	)

Condensed Cash Flow Statement

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

	Six Months Ended September 30, 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	$	—	$	(1,076	)	$	4,315		$	—		$	3,239
Cash flows from investing activities:
Capital expenditures - network and other	—		—			(1,803		)	—			(1,803		)
Capital expenditures - leased devices	—		—			(1,105		)	—			(1,105		)
Expenditures relating to FCC licenses	—		—			(19		)	—			(19		)
Proceeds from sales and maturities of short-term investments	—		5,582			—			—			5,582
Purchases of short-term investments	—		(1,748		)	—			—			(1,748		)
Change in amounts due from/due to consolidated affiliates	—		1,628			—			(1,628		)	—
Proceeds from sales of assets and FCC licenses	—		—			218			—			218
Other, net	—		—			(1		)	—			(1		)
Net cash provided by (used in) investing activities	—		5,462			(2,710		)	(1,628		)	1,124
Cash flows from financing activities:
Proceeds from debt and financings	—		—			1,860			—			1,860
Repayments of debt, financing and capital lease obligations	—		(2,520		)	(1,741		)	—			(4,261		)
Debt financing costs	—		(9		)	—			—			(9		)
Change in amounts due from/due to consolidated affiliates	—		—			(1,628		)	1,628			—
Other, net	—		1			(22		)	—			(21		)
Net cash (used in) provided by financing activities	—		(2,528		)	(1,531		)	1,628			(2,431		)
Net increase in cash and cash equivalents	—		1,858			74			—			1,932
Cash and cash equivalents, beginning of period	—		2,461			409			—			2,870
Cash and cash equivalents, end of period	$	—	$	4,319		$	483		$	—		$	4,802

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

	Six Months Ended September 30, 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	$	—	$	(780	)	$	3,148		$	(118	)	$	2,250
Cash flows from investing activities:
Capital expenditures - network and other	—		—			(943		)	—			(943		)
Capital expenditures - leased devices	—		—			(763		)	—			(763		)
Expenditures relating to FCC licenses	—		—			(32		)	—			(32		)
Proceeds from sales and maturities of short-term investments	—		1,087			35			—			1,122
Purchases of short-term investments	—		(2,737		)	(35		)	—			(2,772		)
Change in amounts due from/due to consolidated affiliates	—		3,883			—			(3,883		)	—
Proceeds from sales of assets and FCC licenses	—		—			66			—			66
Intercompany note advance to consolidated affiliate	—		(70		)	—			70			—
Proceeds from intercompany note advance to consolidated affiliate	—		62			—			(62		)	—
Other, net	—		—			(36		)	—			(36		)
Net cash provided by (used in) investing activities	—		2,225			(1,708		)	(3,875		)	(3,358		)
Cash flows from financing activities:
Proceeds from debt and financings	—		—			3,278			—			3,278
Repayments of debt, financing and capital lease obligations	—		—			(667		)	—			(667		)
Debt financing costs	—		(110		)	(65		)	—			(175		)
Intercompany dividends paid to consolidated affiliate	—		—			(118		)	118			—
Change in amounts due from/due to consolidated affiliates	—		—			(3,883		)	3,883			—
Intercompany note advance from consolidated affiliate	—		—			70			(70		)	—
Repayments of intercompany note advance from consolidated affiliate	—		—			(62		)	62			—
Other, net	—		20			17			—			37
Net cash (used in) provided by financing activities	—		(90		)	(1,430		)	3,993			2,473
Net increase in cash and cash equivalents	—		1,355			10			—			1,365
Cash and cash equivalents, beginning of period	—		2,154			487			—			2,641
Cash and cash equivalents, end of period	$	—	$	3,509		$	497		$	—		$	4,006