Revenues from Contracts with Customers (Tables)

3 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregated Reported Revenue

The following table presents disaggregated reported revenue by category:

	Three Months Ended
	June 30, 2018
	(in millions)
Service revenue
Postpaid	$	4,188
Prepaid	982
Wireless wholesale and affiliate	294
Wireline	276
Total service revenue	5,740
Equipment sales	1,173
Equipment rentals	1,212
Total revenue	$	8,125

Schedule of Contract Assets and Contract Liabilities

The following table presents the opening and closing balances of our contract assets, contract liabilities, and receivables balances, as well as capitalized costs associated with contracts with customers:

	June 30,			April 1,
	2018			2018
	(in millions)
Contract assets and liabilities
Contract assets(1)	$	550		$	432
Billed trade receivables	2,470			2,559
Unbilled trade receivables	1,040			1,250
Contract liabilities(2)	1,045			1,104
Other related assets and liabilities
Other related assets:
Capitalized costs to acquire a customer contract:
Sales commissions - opening balance	$	1,219
Sales commissions - additions	266
Amortization of capitalized sales commissions	(191		)
Net costs to acquire a customer contract	$	1,294

(1) The fluctuation correlates directly to the execution of new customer contracts and invoicing and collections from customers in the normal course of business.

(2) Revenue recognized during the period, which was included within the beginning contract liability balance, amounts to $867 million.

Schedule of Remaining Performance Obligations

The aggregate amount of total transaction price allocated to performance obligations in contracts existing as of the balance sheet date, which are wholly unsatisfied or partially unsatisfied as of the end of the reporting period, and the expected time frame for satisfaction of those unsatisfied or partially unsatisfied performance obligations, are as follows (in millions):

Remainder of year ending March 31, 2019	$	7,281
Year ending March 31, 2020	2,358
Thereafter	4
Total	$	9,643