Supplemental Financial Information (Tables)

12 Months Ended

Mar. 31, 2015

Balance Sheet Related Disclosures [Abstract]

Schedule of Supplemental Balance Sheet Disclosures

	March 31,			March 31,
	2015			2014
	(in millions)
Accounts and notes receivable, net
Trade	$	1,037		$	3,271
Unbilled trade and other	1,457			533
Less allowances for doubtful accounts and deferred interest	(204		)	(197		)
	$	2,290		$	3,607
Prepaid expenses and other current assets
Prepaid expenses	$	401		$	451
Due from Conduits for sold receivables	1,198			—
Deferred charges and other	291			221
	$	1,890		$	672
Other assets
Unbilled trade installment receivables, net	361			317
Investments	151			146
Other	565			429
	$	1,077		$	892
Accounts payable(1)
Trade	$	3,786		$	2,492
Accrued interconnection costs	198			316
Capital expenditures and other	363			355
	$	4,347		$	3,163
Accrued expenses and other current liabilities
Deferred revenues	$	1,385		$	1,286
Accrued taxes	238			306
Payroll and related	589			290
Severance, lease and other exit costs	223			555
Accrued interest	525			515
Accrued capital expenditures	705			1,247
Other	1,628			1,345
	$	5,293		$	5,544
Other liabilities
Deferred rental income-communications towers	$	229		$	240
Deferred rent	366			179
Asset retirement obligations	584			651
Unfavorable lease liabilities	856			1,068
Post-retirement benefits and other non-current employee related liabilities	987			647
Other	929			900
	$	3,951		$	3,685

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(1) Includes liabilities in the amounts of $90 million and $91 million as of March 31, 2015 and 2014, respectively, for checks issued in excess of associated bank balances but not yet presented for collection.