Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating Activities
Net income including noncontrolling interests	$ 2,558	$ 2,174	$ 2,586
Adjustments to reconcile net income including noncontrolling interests to net cash provided by operations:
Depreciation and amortization	511	475	443
Restructuring and termination benefits, net of cash	(7)	91	(9)
Stock-based compensation expense	109	127	123
Gain on sale of land in Mexico	0	0	(97)
Charge for U.S. tax reform	80	275	0
Deferred income taxes	27	108	56
Voluntary benefit plan contributions	(67)	(81)	(53)
Cash effects of changes in:
Receivables	(79)	(15)	(17)
Inventories	(58)	(8)	(4)
Accounts payable and other accruals	18	(96)	100
Other non-current assets and liabilities	(36)	4	13
Net cash provided by operations	3,056	3,054	3,141
Investing Activities
Capital expenditures	(436)	(553)	(593)
Sale of property and non-core product lines	1	44	0
Purchases of marketable securities and investments	(169)	(347)	(336)
Proceeds from sale of marketable securities and investments	156	391	378
Proceeds from sale of land in Mexico	0	0	60
Payment for acquisitions, net of cash acquired	(728)	0	(5)
Other	6	(6)	(3)
Net cash used in investing activities	(1,170)	(471)	(499)
Financing Activities
Principal payments on debt	(7,355)	(4,808)	(7,274)
Proceeds from issuance of debt	7,176	4,779	7,438
Dividends paid	(1,591)	(1,529)	(1,508)
Purchases of treasury shares	(1,238)	(1,399)	(1,335)
Proceeds from exercise of stock options	329	507	446
Net cash used in financing activities	(2,679)	(2,450)	(2,233)
Effect of exchange rate changes on Cash and cash equivalents	(16)	87	(64)
Net (decrease) increase in Cash and cash equivalents	(809)	220	345
Cash and cash equivalents at beginning of year	1,535	1,315	970
Cash and cash equivalents at end of year	726	1,535	1,315
Supplemental Cash Flow Information
Income taxes paid	847	1,037	932
Interest paid	$ 194	$ 150	$ 162