CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2019	Mar. 31, 2019
Statement of Financial Position [Abstract]
Operating Lease, Liability, Current	$ 1,835
Current Assets
Cash and Cash Equivalents	4,262	$ 6,982
Short-term Investments	61	67
Accounts and notes receivable, net	3,723	3,554
Device and accessory inventory	963	999
Prepaid expenses and other current assets	1,197	1,289
Total current assets	10,206	12,891
Property, plant and equipment, net	20,562	21,201
Costs to acquire a customer contract	1,712	1,559
Operating Lease, Right-of-Use Asset	6,885
Intangible assets
Goodwill	4,598	4,598
FCC licenses and other	41,481	41,465
Property, plant and equipment	1,413	1,769
Other assets	1,071	1,118
Total assets	87,928	84,601
Current Liabilities
Accounts payable	3,918	3,961
Accrued expenses and other current liabilities	3,198	3,597
Current portion of long-term debt, financing and capital lease obligations	4,101	4,557
Total current liabilities	13,052	12,115
Long-term debt, financing and capital lease obligations	33,268	35,366
Operating Lease, Liability, Noncurrent	5,667
Deferred tax liabilities	7,489	7,556
Other liabilities	2,555	3,437
Total liabilities	62,031	58,474
Commitments and contingencies
Shareholders' Equity
Common stock, voting, par value $0.01 per share, 9.0 billion authorized, 4.013 billion and 4.005 billion issued, respectively	41	41
Paid-in capital	28,349	28,306
Treasury shares, at cost	16	0
Accumulated deficit	(2,106)	(1,883)
Accumulated other comprehensive loss	(418)	(392)
Total stockholders' equity	25,850	26,072
Stockholders' Equity Attributable to Noncontrolling Interest	47	55
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	25,897	26,127
Liabilities and Equity	$ 87,928	$ 84,601

The aggregate of amounts due from customers or clients, within one year of the balance sheet date (or one operating cycle, if longer), for goods or services that have been delivered or sold in the normal course of business and an amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date within one year of the balance sheet, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection and net of any write-downs taken for collection uncertainty on the part of the holder, respectively.

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Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).