Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities
Net income	$ 3,907	$ 3,947
Adjustments to net income:
Depreciation	553	522
Amortization of acquisition-related intangibles	151	238
Amortization of capitalized software	45	40
Stock compensation	182	176
Gains on sales of assets	(3)	(23)
Deferred taxes	(115)	31
Increase (decrease) from changes in:
Accounts receivable	(318)	(135)
Inventories	(71)	177
Prepaid expenses and other current assets	0	285
Accounts payable and accrued expenses	60	(64)
Accrued compensation	(48)	(115)
Income taxes payable	(316)	(200)
Changes in funded status of retirement plans	16	26
Other	(29)	(10)
Cash flows from operating activities	4,014	4,895
Cash flows from investing activities
Capital expenditures	(437)	(684)
Proceeds from asset sales	3	30
Purchases of short-term investments	(3,435)	(1,374)
Proceeds from short-term investments	3,958	2,004
Other	(15)	25
Cash flows from investing activities	74	1
Cash flows from financing activities
Proceeds from issuance of long-term debt	1,498	1,491
Repayment of debt	(500)	(750)
Dividends paid	(2,489)	(2,167)
Stock repurchases	(2,538)	(2,471)
Proceeds from common stock transactions	356	491
Other	(30)	(35)
Cash flows from financing activities	(3,703)	(3,441)
Net change in cash and cash equivalents	385	1,455
Cash and cash equivalents at beginning of period	2,437	2,438
Cash and cash equivalents at end of period	$ 2,822	$ 3,893