CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities
Net (Loss) income	$ 158	$ (444)
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	4,148	3,948
Bad debt expense	199	232
Share-based and long-term incentive compensation expense	87	29
Deferred income tax benefit	364	157
Gains from asset dispositions and exchanges	479	354
Call premiums paid on debt redemptions	129	0
Loss on early extinguishment of debt	65	0
Amortization and accretion of long-term debt premiums and discounts	(90)	(159)
Loss on Disposition of Property Plant Equipment	410	231
Gain (Loss) on Contract Termination	(5)	96
Other changes in assets and liabilities:
Accounts and notes receivable	(179)	(126)
Deferred purchase price from sale of receivables	0	(400)
Inventories and other current assets	(1,459)	(892)
Accounts payable and other current liabilities	(161)	(195)
Non-current assets and liabilities, net	183	(205)
Other, net	127	332
Net cash provided by operating activities	3,239	2,250
Cash flows from investing activities
Capital expenditures - network and other	(1,803)	(943)
Capital expenditures - leased devices	(1,105)	(763)
Expenditures relating to FCC licenses	(19)	(32)
Proceeds from sales and maturities of short-term investments	5,582	1,122
Purchases of short-term investments	(1,748)	(2,772)
Proceeds from sales of assets and FCC Licenses	218	66
Other, net	(1)	(36)
Net Cash Used in Investing Activities	1,124	(3,358)
Cash flows from financing activities
Proceeds from debt and financings	1,860	3,278
Repayments of debt and capital lease obligations	(4,261)	(667)
Debt financing costs	9	175
Other, net	(21)	37
Net cash provided by (used in) financing activities	(2,431)	2,473
Net decrease in cash and cash equivalents	1,932	1,365
Cash and cash equivalents, beginning of period	2,870	2,641
Cash and cash equivalents, end of period	$ 4,802	$ 4,006