Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operations
Net income	$ 1,030	$ 1,241
Adjustments to reconcile net income to cash flows from operations:
Depreciation and amortization	580	586
Deferred income taxes	(45)	(291)
Stock compensation	92	87
Net periodic pension benefit and other postretirement costs	8	31
Intangible asset impairment	31	0
Other	90	23
Changes in balance sheet items:
Accounts receivable, net	(23)	(16)
Inventories	(88)	(226)
Accounts payable and accrued liabilities	(249)	(32)
Other	(145)	(95)
Cash flows from operations – continuing operations	1,281	1,308
Cash flows from operations – discontinued operations	(6)	0
Cash flows from operations	1,275	1,308
Cash flows from investing activities
Capital expenditures	(505)	(453)
Acquisitions and investments	(186)	(255)
Other investing activities, net	12	8
Cash flows from investing activities	(679)	(700)
Cash flows from financing activities
Issuances of debt	1,661	0
Cash dividends on common stock	(310)	(274)
Proceeds from stock issued under employee benefit plans	334	232
Purchases of treasury stock	(1,029)	(1,028)
Other financing activities, net	(42)	(25)
Cash flows from financing activities	614	(1,095)
Effect of foreign exchange rate changes on cash and cash equivalents	(39)	(53)
Increase (decrease) in cash and cash equivalents	1,171	(540)
Cash and cash equivalents at beginning of period	1,838	3,403
Cash and cash equivalents at end of period	$ 3,009	$ 2,863