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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
Cash flows from operating activities: |  |
Consolidated net income | $ 729 | $ 894
Adjustments to reconcile consolidated net income to net cash provided by operating activities: |  |
Depreciation and amortization | 775 | 731
Deferred income tax expense (benefit) | (12) | (21)
Interest accretion on landfill liabilities | 47 | 47
Provision for bad debts | 19 | 22
Equity-based compensation expense | 43 | 41
Net gain on disposal of assets | (5) | (10)
(Gain) loss from divestitures, asset impairments and other, net | 78 | (42)
Equity in net losses of unconsolidated entities, net of dividends | 25 | 20
Loss on early extinguishment of debt | 84 |
Change in operating assets and liabilities, net of effects of acquisitions and divestitures: |  |
Receivables | 19 | 202
Other current assets | (5) | (9)
Other assets | 4 | (2)
Accounts payable and accrued liabilities | 127 | 31
Deferred revenues and other liabilities | (28) | (120)
Net cash provided by operating activities | 1,900 | 1,784
Cash flows from investing activities: |  |
Acquisitions of businesses, net of cash acquired | (440) | (263)
Capital expenditures | (1,049) | (836)
Proceeds from divestitures of businesses and other assets (net of cash divested) | 20 | 96
Other, net | (96) | (7)
Net cash used in investing activities | (1,565) | (1,010)
Cash flows from financing activities: |  |
New borrowings | 3,971 | 83
Debt repayments | (385) | (196)
Premiums paid on early extinguishment of debt | (84) |
Net commercial paper borrowings (repayments) | (1,001) | 443
Common stock repurchase program | (248) | (550)
Cash dividends | (440) | (406)
Exercise of common stock options | 45 | 33
Tax payments associated with equity-based compensation transactions | (30) | (28)
Other, net | (6) | (26)
Net cash provided by (used in) financing activities | 1,822 | (647)
Effect of exchange rate changes on cash, cash equivalents and restricted cash and cash equivalents | 2 | (1)
Increase (decrease) in cash, cash equivalents and restricted cash and cash equivalents | 2,159 | 126
Cash, cash equivalents and restricted cash and cash equivalents at beginning of period | 183 | 293
Cash, cash equivalents and restricted cash and cash equivalents at end of period | $ 2,342 | $ 419

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