Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020
Cash flows from operations
Net income		$ 1,053	$ 939
Adjustments to reconcile net income to cash flows from operations:
Depreciation and amortization		645	610
Deferred income taxes		(98)	(45)
Stock compensation		93	97
Net periodic pension and other postretirement costs		77	59
Intangible asset impairment		0	17
Other		46	54
Changes in balance sheet items:
Accounts receivable, net		(128)	(108)
Inventories		(149)	(305)
Prepaid expenses and other current assets		(51)	(60)
Accounts payable		14	(28)
Accrued expenses and other current liabilities		91	64
Other		(64)	(136)
Cash flows from operations – continuing operations		1,529	1,158
Cash flows from operations – discontinued operations		0	(2)
Cash flows from operations		1,529	1,156
Cash flows from investing activities
Capital expenditures		(508)	(472)
Acquisitions, net of cash acquired, and investments		(463)	(466)
Other investing activities, net		38	23
Cash flows from investing activities		(933)	(915)
Cash flows from financing activities
Repayments of debt		(407)	0
Issuances of debt		50	1,240
Net increase (decrease) in debt with original maturities of three months or less		251	(226)
Cash dividends on common stock		(390)	(348)
Proceeds from stock issued under employee benefit plans		135	180
Purchases of treasury stock		(600)	0
Debt issuance costs		(37)	(3)
Other financing activities, net		(33)	(45)
Cash flows from financing activities		(1,031)	798
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash		(40)	(8)
Increase (decrease) in cash, cash equivalents and restricted cash		(475)	1,031
Cash, cash equivalents and restricted cash at beginning of period	[1]	3,736	3,335
Cash, cash equivalents and restricted cash at end of period	[1]	$ 3,261	$ 4,366

[1] We did not have any restricted cash balances as of December 31, 2019. The following table provides a reconciliation of cash, cash equivalents and restricted cash shown above to the amounts reported within the condensed consolidated balance sheet as of September 30, 2021, December 31, 2020, and September 30, 2020 (in millions): September 30, 2021December 31, 2020September 30, 2020Cash and cash equivalents$3,258 $3,730 $4,359 Restricted cash included in prepaid expenses and other current assets3 6 7 Cash, cash equivalents and restricted cash$3,261 $3,736 $4,366