Revenues from Contracts with Customers (Tables)

9 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregated Reported Revenue

The following table presents disaggregated reported revenue by category:



	Three Months Ended				Nine Months Ended
	December 31,				December 31,
	2019		2018		2019		2018
	(in millions)
Service revenue
Postpaid	$	4,229	$	4,236	$	12,646	$	12,679
Prepaid	740		924		2,375		2,860
Wholesale, affiliate and other	225		294		546		881
Wireline	222		245		685		781
Total service revenue	5,416		5,699		16,252		17,201
Equipment sales	1,372		1,589		3,784		4,180
Equipment rentals	1,292		1,313		3,981		3,778
Total revenue	$	8,080	$	8,601	$	24,017	$	25,159

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:



	December 31,			March 31,
	2019			2019
	(in millions)
Contract assets and liabilities
Contract assets⁽¹⁾	$	1,081		$	928
Billed trade receivables	2,654			2,690
Unbilled trade receivables	1,230			945
Contract liabilities	1,051			1,009

Other related assets
Capitalized costs to acquire a customer contract:
Sales commissions - beginning balance	$	1,559
Sales commissions - additions	958
Amortization of capitalized sales commissions	(709		)
Net costs to acquire a customer contract	$	1,808

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(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 nine-month periods ended December 31, 2019 and 2018:



	Nine Months Ended
	December 31,
	2019		2018
	(in millions)
Amounts included in the beginning of period contract liability balance	$	927	$	986

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	$	2,608
Fiscal year ending March 31, 2021	6,241
Thereafter	397
Total	$	9,246