Consolidated Statement of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities
Net income	$ 72	$ 58
Add (deduct) adjustments to reconcile net income to net cash flows from operating activities
Depreciation, amortization and accretion	177	169
Bad debts expense	33	24
Stock-based compensation expense	7	9
Deferred income taxes, net	52	17
Equity in earnings of unconsolidated entities	(45)	(44)
Distributions from unconsolidated entities	24	18
(Gain) loss on asset disposals, net	4	2
(Gain) loss on sale of business and other exit costs, net	0	(2)
(Gain) loss on license sales and exchanges, net	0	(2)
Other operating activities	0	1
Changes in assets and liabilities from operations
Accounts receivable	55	31
Equipment installment plans receivable	23	(10)
Inventory	(50)	(15)
Accounts payable	97	56
Customer deposits and deferred revenues	(10)	7
Accrued taxes	(49)	11
Accrued interest	9	9
Other assets and liabilities	(57)	(52)
Net cash provided by operating activities	342	287
Cash flows from investing activities
Cash paid for additions to property, plant and equipment	(315)	(107)
Cash paid for licenses	(26)	(1)
Cash received from investments	0	2
Cash paid for investments	(1)	(1)
Cash received from divestitures and exchanges	0	31
Advance payments for license acquisitions	0	(135)
Other investing activities	0	(1)
Net cash used in investing activities	(342)	(212)
Cash flows from financing activities
Repayment of long-term debt	(2)	(5)
Repurchase of Common Shares	(21)	0
Distributions to noncontrolling interests	(1)	(1)
Net cash used in financing activities	(24)	(6)
Net increase (decrease) in cash, cash equivalents and restricted cash	(24)	69
Cash, cash equivalents and restricted cash
Beginning of period	291	583
End of period	$ 267	$ 652