Severance and Exit Costs (Tables)

12 Months Ended

Mar. 31, 2018

Restructuring and Related Activities [Abstract]

Schedule of Severance and Exit Costs

The following provides the activity of 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, 2017		Net (Benefit) Expense				Cash Payments and Other			March 31, 2018
	(in millions)
Lease exit costs	$	249	$	(2	)	(1)	$	(82	)	$	165
Severance costs	12		79			(2)	(27		)	64
Access exit costs	40		3			(3)	(24		)	19
	$	301	$	80			$	(133	)	$	248

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(1) For the year ended March 31, 2018, we recognized a benefit of $2 million ($5 million benefit Wireless, $3 million costs Wireline).

(2) For the year ended March 31, 2018, we recognized costs of $79 million ($73 million Wireless, $6 million Wireline).

(3) For the year ended March 31, 2018, we recognized costs of $3 million ($10 million benefit Wireless, $13 million costs Wireline) as "Severance and exit costs".

	March 31, 2016		Net Expense			Cash Payments and Other			March 31, 2017
	(in millions)
Lease exit costs	$	338	$	17	(4)	$	(106	)	$	249
Severance costs	150		20		(5)	(158		)	12
Access exit costs	37		31		(6)	(28		)	40
	$	525	$	68		$	(292	)	$	301

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

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

(6) 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".