CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 380	$ 158
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	4,691	4,148
Bad debt expense	166	199
Share-based and long-term incentive compensation expense	68	87
Deferred income tax benefit	39	364
Gains from asset dispositions and exchanges	0	479
Call premiums paid on debt redemptions	0	(129)
Loss on early extinguishment of debt	0	65
Amortization and accretion of long-term debt premiums and discounts	(67)	(90)
Loss on Disposition of Property Plant Equipment	343	410
Other changes in assets and liabilities:
Accounts and notes receivable	85	(179)
Deferred purchase price from sale of receivables	(223)	(640)
Inventories and other current assets	168	541
Accounts payable and other current liabilities	(95)	(161)
Non-current assets and liabilities, net	(384)	183
Other, net	186	120
Net cash provided by operating activities	5,357	4,726
Cash flows from investing activities
Capital expenditures - network and other	(2,398)	(1,843)
Capital expenditures - leased devices	(3,524)	(3,065)
Expenditures relating to FCC licenses	(70)	(19)
Proceeds from sales and maturities of short-term investments	4,002	5,582
Purchases of short-term investments	(4,834)	(1,748)
Proceeds from sales of assets and FCC Licenses	272	218
Proceeds from Sale and Collection of Receivables	223	640
Other, net	42	(2)
Net Cash Used in Investing Activities	(6,287)	(237)
Cash flows from financing activities
Proceeds from debt and financings	2,944	1,860
Repayments of debt and capital lease obligations	(2,928)	(4,261)
Debt financing costs	248	9
Proceeds from issuance of common stock, net	276	1
Other, net	0	(22)
Net cash provided by (used in) financing activities	44	(2,560)
Cash, Cash Equivalents, Restricted Cash, Restricted Cash Equivalents, Period Increase (Decrease)	(886)	1,929
Cash and cash equivalents, end of period	5,726	4,871
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 5,773	$ 4,871