Severance and Exit Costs (Tables)

12 Months Ended

Mar. 31, 2017

Restructuring and Related Activities [Abstract]

Schedule of Severance and Exit Costs

The following provides the activity in the severance and exit costs liability included in "Accounts payable," "Accrued expenses and other current liabilities" and "Other liabilities" within the consolidated balance sheets:

	March 31, 2016		Net Expense			Cash Payments and Other			March 31, 2017
	(in millions)
Lease exit costs	$	338	$	17	(1)	$	(106	)	$	249
Severance costs	150		20		(2)	(158		)	12
Access exit costs	37		31		(3)	(28		)	40
	$	525	$	68		$	(292	)	$	301

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(1) For the year ended March 31, 2017, we recognized costs of $17 million ($14 million Wireless, $3 million Wireline).

(2) For the year ended March 31, 2017, we recognized costs of $20 million ($19 million Wireless, $1 million Wireline).

(3) For the year ended March 31, 2017, we recognized $2 million (solely attributable to Wireline) as "Cost of services" and $29 million ($12 million Wireless, $17 million Wireline) as "Severance and exit costs."

	March 31, 2015		Net Expense			Cash Payments and Other			March 31, 2016
	(in millions)
Lease exit costs	$	291	$	156	(4)	$	(109	)	$	338
Severance costs	119		216		(5)	(185		)	150
Access exit costs	44		19		(6)	(26		)	37
	$	454	$	391		$	(320	)	$	525

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(4) We recognized costs of $176 million (Wireless only) for the year ended March 31, 2016, which were offset by $20 million of income (Wireless only) resulting from a revision to our estimate of a previously recorded reserve.

(5) For the year ended March 31, 2016, we recognized costs of $216 million ($191 million Wireless, $25 million Wireline).

(6) For the year ended March 31, 2016, we recognized $2 million (solely attributable to Wireline) as "Cost of services" and $17 million (solely attributable to Wireless) as "Severance and exit costs".