Revenues from Contracts with Customers (Tables)

3 Months Ended

Jun. 30, 2019

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,
	2019		2018
	(in millions)
Service revenue
Postpaid	$	4,199	$	4,188
Prepaid	843		982
Wholesale, affiliate and other	285		294
Wireline	236		276
Total service revenue	5,563		5,740
Equipment sales	1,220		1,173
Equipment rentals	1,359		1,212
Total revenue	$	8,142	$	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,			March 31,
	2019			2019
	(in millions)
Contract assets and liabilities
Contract assets(1)	$	997		$	928
Billed trade receivables	2,659			2,690
Unbilled trade receivables	1,031			945
Contract liabilities	995			1,009
Other related assets
Capitalized costs to acquire a customer contract:
Sales commissions - beginning balance	$	1,559
Sales commissions - additions	289
Amortization of capitalized sales commissions	(217		)
Net costs to acquire a customer contract	$	1,631

 _________________

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

The following table presents revenue recognized during the three-month periods ended June 30, 2019 and 2018:

	Three Months Ended
	June 30,
	2019		2018
	(in millions)
Amounts included in the beginning of period contract liability balance	$	886	$	867

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 or partially unsatisfied as of the end of the reporting period, and the expected time frame for satisfaction of those wholly or partially unsatisfied performance obligations, are as follows:

	(in millions)
Remainder of fiscal year ending March 31, 2020	$	6,383
Fiscal year ending March 31, 2021	2,224
Thereafter	21
Total	$	8,628