Consolidated Cash Flow Statement - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Operating Activities
Net income	$ 97	$ 575
Depreciation and amortization	211	178
Asset impairments	74	0
Stock-based compensation	18	20
Deferred income taxes	(27)	(25)
Net losses on asset dispositions	36	5
Equity companies' earnings in excess of dividends paid	(27)	(26)
Operating working capital	103	(264)
Postretirement benefits	(41)	(21)
Other	98	(6)
Cash Provided by Operations	542	436
Investing Activities
Capital spending	(189)	(215)
Investments in time deposits	(83)	(37)
Maturities of time deposits	19	70
Other	(3)	4
Cash Used for Investing	(256)	(178)
Financing Activities
Cash dividends paid	(341)	(329)
Change in short-term debt	249	196
Debt repayments	(2)	(8)
Proceeds from exercise of stock options	14	78
Acquisitions of common stock for the treasury	(197)	(295)
Other	(6)	(9)
Cash Used for Financing	(283)	(367)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	7	21
Change in Cash and Cash Equivalents	10	(88)
Cash and Cash Equivalents - Beginning of Period	616	923
Cash and Cash Equivalents - End of Period	$ 626	$ 835

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Maturities of time deposits

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.

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Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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The increase (decrease) during the reporting period of all assets and liabilities used in operating activities.

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities).

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Amount of cash (inflow) outflow from investing activities classified as other.

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The cash outflow to reacquire common stock during the period.

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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

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Amount of cost (reversal of cost) for pension and other postretirement benefits.

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The cash inflow from a borrowing net of the cash outflow from repayment of a borrowing having initial term of repayment within three months.

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Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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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.

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