CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities
Net (Loss) income	$ 206	$ (302)
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	2,054	1,967
Bad debt expense	102	93
Share-based and long-term incentive compensation expense	41	15
Deferred income tax benefit	282	46
Gains from asset dispositions and exchanges	479	0
Call premiums paid on debt redemptions	129	0
Loss on early extinguishment of debt	66	0
Amortization and accretion of long-term debt premiums and discounts	(51)	(80)
Loss on Disposition of Property Plant Equipment	293	120
Gain (Loss) on Contract Termination	(5)	96
Other changes in assets and liabilities:
Accounts and notes receivable	(53)	(106)
Deferred purchase price from sale of receivables	0	(117)
Inventories and other current assets	(711)	(98)
Accounts payable and other current liabilities	(474)	(1,016)
Non-current assets and liabilities, net	73	(159)
Other, net	65	83
Net cash provided by operating activities	1,280	542
Cash flows from investing activities
Capital expenditures - network and other	(1,121)	(473)
Capital expenditures - leased devices	(497)	(405)
Expenditures relating to FCC licenses	(13)	(15)
Proceeds from sales and maturities of short-term investments	2,594	0
Purchases of short-term investments	(1,499)	(1,304)
Proceeds from sales of assets and FCC Licenses	101	27
Other, net	(3)	(25)
Net Cash Used in Investing Activities	(438)	(2,195)
Cash flows from financing activities
Proceeds from debt and financings	902	3,255
Repayments of debt and capital lease obligations	(2,121)	(294)
Debt financing costs	0	175
Other, net	(15)	6
Net cash provided by (used in) financing activities	(1,234)	2,792
Net decrease in cash and cash equivalents	(392)	1,139
Cash and cash equivalents, beginning of period	2,870	2,641
Cash and cash equivalents, end of period	$ 2,478	$ 3,780