Consolidated Statement of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities
Net income	$ 115	$ 143
Add (deduct) adjustments to reconcile net income to net cash flows from operating activities
Depreciation, amortization and accretion	524	478
Bad debts expense	77	67
Stock-based compensation expense	32	26
Deferred income taxes, net	(34)	(4)
Equity in earnings of unconsolidated entities	(128)	(120)
Distributions from unconsolidated entities	99	90
(Gain) loss on asset disposals, net	13	5
(Gain) loss on sale of business and other exit costs, net	(1)	0
(Gain) loss on license sales and exchanges, net	0	(18)
Other operating activities	3	2
Changes in assets and liabilities from operations
Accounts receivable	(35)	(1)
Equipment installment plans receivable	(42)	(88)
Inventory	3	15
Accounts payable	(4)	21
Customer deposits and deferred revenues	(1)	(5)
Accrued taxes	81	1
Accrued interest	9	9
Other assets and liabilities	(24)	(21)
Net cash provided by operating activities	687	600
Cash flows from investing activities
Cash paid for additions to property, plant and equipment	(439)	(277)
Cash paid for licenses	(257)	(2)
Cash received from investments	29	50
Cash paid for investments	(11)	0
Cash received from divestitures and exchanges	32	23
Other investing activities	(1)	3
Net cash used in investing activities	(647)	(203)
Cash flows from financing activities
Repayment of long-term debt	(14)	(14)
Common Shares reissued for benefit plans, net of tax payments	(8)
Common Shares reissued for benefit plans, net of tax payments		7
Repurchase of Common Shares	(21)	0
Distributions to noncontrolling interests	(3)	(5)
Other financing activities	(2)	(5)
Net cash used in financing activities	(48)	(17)
Net increase (decrease) in cash, cash equivalents and restricted cash	(8)	380
Cash, cash equivalents and restricted cash
Beginning of period	583	352
End of period	$ 575	$ 732