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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Cash flows from operating activities: |  |
Consolidated net income | $ 395 | $ 297
Adjustments to reconcile consolidated net income to net cash provided by operating activities: |  |
Depreciation and amortization | 347 | 328
Deferred income tax expense (benefit) | (15) | 36
Interest accretion on landfill liabilities | 23 | 22
Provision for bad debts | 12 | 11
Equity-based compensation expense | 23 | 36
Net gain on disposal of assets | (5) | (3)
(Income) expense from divestitures, asset impairments and other, net | (3) | 22
Equity in net losses of unconsolidated entities, net of dividends | 7 | 7
Change in operating assets and liabilities, net of effects of acquisitions and divestitures: |  |
Receivables | 183 | 151
Other current assets | (8) | (8)
Other assets | (1) | (6)
Accounts payable and accrued liabilities | (119) | (144)
Deferred revenues and other liabilities | (30) | (27)
Net cash provided by operating activities | 809 | 722
Cash flows from investing activities: |  |
Acquisitions of businesses, net of cash acquired | (246) | (8)
Capital expenditures | (400) | (332)
Proceeds from divestitures of businesses and other assets (net of cash divested) | 14 | 7
Other, net | (5) | (4)
Net cash used in investing activities | (637) | (337)
Cash flows from financing activities: |  |
New borrowings | 61 | 54
Debt repayments | (80) | (541)
Net commercial paper borrowings | 471 | 210
Common stock repurchase program | (250) |
Cash dividends | (206) | (194)
Exercise of common stock options | 23 | 77
Tax payments associated with equity-based compensation transactions | (28) | (32)
Other, net | (29) | 41
Net cash used in financing activities | (38) | (385)
Effect of exchange rate changes on cash, cash equivalents and restricted cash and cash equivalents | (1) |
Increase in cash, cash equivalents and restricted cash and cash equivalents | 133 |
Cash, cash equivalents and restricted cash and cash equivalents at beginning of period | 293 | 94
Cash, cash equivalents and restricted cash and cash equivalents at end of period | $ 426 | $ 94

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- Definition The cash outflow associated with security instruments that either represent a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes repayments of (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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Period Type: | duration

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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Income expense from divestitures asset impairments and other noncash portion. + References No definition available. + Details
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Period Type: | duration

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- Definition The increase (decrease) during the reporting period, excluding the portion taken into income, in the liability reflecting revenue yet to be earned for which cash or other forms of consideration was received or recorded as a receivable. Also includes the increase (decrease) during the reporting period in other liabilities used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current liabilities, other noncurrent liabilities, or a combination of other current and noncurrent liabilities. + References No definition available. + Details
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- Definition Proceeds from divestiture of businesses net of cash divested and proceeds from sales of assets investing activities. + References No definition available. + Details
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