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Consolidated Statement of Cash Flows - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Cash flows from operating activities |  |  |
Net income | $ 133 | $ 164 | $ 15
Add (deduct) adjustments to reconcile net income to net cash flows from operating activities |  |  |
Depreciation, amortization and accretion | 702 | 640 | 615
Bad debts expense | 107 | 95 | 89
Stock-based compensation expense | 41 | 37 | 30
Deferred income taxes, net | (4) | (3) | (365)
Equity in earnings of unconsolidated entities | (166) | (159) | (137)
Distributions from unconsolidated entities | 161 | 152 | 136
Loss on impairment of goodwill | 0 | 0 | 370
(Gain) loss on asset disposals, net | 19 | 10 | 17
(Gain) loss on sale of business and other exit costs, net | (1) | 0 | (1)
(Gain) loss on license sales and exchanges, net | 0 | (18) | (22)
Other operating activities | 4 | 3 | 2
Changes in assets and liabilities from operations |  |  |
Accounts receivable | (46) | (39) | (68)
Equipment installment plans receivable | (97) | (149) | (261)
Inventory | (20) | (4) | 0
Accounts payable | (69) | 3 | (14)
Customer deposits and deferred revenues | (8) | 7 | (3)
Accrued taxes | (23) | (39) | 26
Other assets and liabilities | (9) | 9 | 40
Net cash provided by operating activities | 724 | 709 | 469
Cash flows from investing activities |  |  |
Cash paid for additions to property, plant and equipment | (650) | (512) | (465)
Cash paid for licenses | (266) | (8) | (189)
Cash received from investments | 29 | 50 | 0
Cash paid for investments | (11) | (17) | (50)
Cash received from divestitures and exchanges | 41 | 24 | 21
Other investing activities | (7) | (1) | 0
Net cash used in investing activities | (864) | (464) | (683)
Cash flows from financing activities |  |  |
Repayment of long-term debt | (116) | (19) | (14)
Common shares reissued for benefit plans, net of tax payments | (9) | 18 | 1
Repurchase of Common Shares | (21) | 0 | 0
Distributions to noncontrolling interests | (4) | (6) | (4)
Other financing activities | (2) | (7) | (3)
Net cash used in financing activities | (152) | (14) | (20)
Net increase (decrease) in cash, cash equivalents and restricted cash | (292) | 231 | (234)
Cash, cash equivalents and restricted cash |  |  |
Beginning of period | 583 | 352 | 586
End of period | $ 291 | $ 583 | $ 352

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