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Consolidated Statement of Cash Flows - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Operating Activities      
Net Income $ 2,225 $ 2,022 $ 1,975
Loss from discontinued operations 3 3 5
Income from continuing operations 2,228 2,025 1,980
Adjustments to reconcile income from continuing operations to net cash provided by operating activities:      
Depreciation and amortization 2,033 1,758 1,688
Change in deferred income taxes (1,098) (620) (525)
Non-cash stock-based compensation 159 133 125
Non-cash charges for sale of inventories revalued at the date of acquisition 87 75 7
Other non-cash expenses, net 103 67 61
Changes in assets and liabilities, excluding the effects of acquisitions and dispositions:      
Accounts receivable (362) (352) (149)
Inventories (81) 98 (141)
Other assets (153) (153) (254)
Accounts payable 274 56 (3)
Other liabilities 1,016 216 200
Contributions to retirement plans (200) (43) (38)
Net cash provided by continuing operations 4,006 3,260 2,951
Net cash used in discontinued operations (1) (2) (9)
Net cash provided by operating activities 4,005 3,258 2,942
Investing Activities      
Acquisitions, net of cash acquired (7,226) (5,178) (695)
Purchase of property, plant and equipment (508) (444) (423)
Proceeds from sale of property, plant and equipment 7 26 18
Proceeds from sale of investments 22 81 12
Other investing activities, net (24) (5) (5)
Net cash used in investing activities (7,729) (5,520) (1,093)
Financing Activities      
Net proceeds from issuance of debt 6,459 7,604 1,798
Repayment of debt (3,299) (4,334) (3,789)
Proceeds from issuance of commercial paper 8,380 9,182 7,934
Repayments of commercial paper (8,514) (8,278) (7,885)
Purchases of company common stock (750) (1,250) (500)
Dividends paid (237) (238) (241)
Net proceeds from issuance of company common stock 1,690 0 0
Net proceeds from issuance of company common stock under employee stock plans 128 87 72
Other financing activities, net (3) (14) (6)
Net cash provided by (used in) financing activities 3,854 2,759 (2,617)
Exchange Rate Effect on Cash 420 (152) (130)
Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash 550 345 (898)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period 811 466 1,364
Cash, Cash Equivalents and Restricted Cash at End of Period $ 1,361 $ 811 $ 466