Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities
Net income	$ 4,492	$ 3,684
Adjustments to net income:
Depreciation	427	363
Amortization of acquisition-related intangibles	0	95
Amortization of capitalized software	27	30
Stock compensation	159	130
Gains on sales of assets	(3)	(4)
Deferred taxes	(15)	7
Increase (decrease) from changes in:
Accounts receivable	(489)	(177)
Inventories	(289)	105
Prepaid expenses and other current assets	20	23
Accounts payable and accrued expenses	30	52
Accrued compensation	(254)	(238)
Income taxes payable	5	(44)
Changes in funded status of retirement plans	70	35
Other	(268)	(90)
Cash flows from operating activities	3,912	3,971
Cash flows from investing activities
Capital expenditures	(1,040)	(694)
Proceeds from asset sales	3	4
Purchases of short-term investments	(6,449)	(4,734)
Proceeds from short-term investments	6,974	4,455
Other	69	(13)
Cash flows from investing activities	(443)	(982)
Cash flows from financing activities
Repayment of debt	(500)	(550)
Dividends paid	(2,123)	(1,882)
Stock repurchases	(1,771)	(246)
Proceeds from common stock transactions	113	250
Other	(17)	(19)
Cash flows from financing activities	(4,298)	(2,447)
Net change in cash and cash equivalents	(829)	542
Cash and cash equivalents at beginning of period	4,631	3,107
Cash and cash equivalents at end of period	$ 3,802	$ 3,649