Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities
Net income	$ 3,430	$ 4,492
Adjustments to net income:
Depreciation	550	427
Amortization of capitalized software	31	27
Stock compensation	215	159
Gains on sales of assets	(1)	(3)
Deferred taxes	(60)	(15)
Increase (decrease) from changes in:
Accounts receivable	(61)	(489)
Inventories	(972)	(289)
Prepaid expenses and other current assets	10	20
Accounts payable and accrued expenses	(50)	30
Accrued compensation	(242)	(254)
Income taxes payable	(58)	5
Changes in funded status of retirement plans	23	70
Other	(256)	(268)
Cash flows from operating activities	2,559	3,912
Cash flows from investing activities
Capital expenditures	(2,428)	(1,040)
Proceeds from asset sales	2	3
Purchases of short-term investments	(7,060)	(6,449)
Proceeds from short-term investments	7,091	6,974
Other	38	69
Cash flows from investing activities	(2,357)	(443)
Cash flows from financing activities
Proceeds from issuance of long-term debt	3,000	0
Repayment of debt	(500)	(500)
Dividends paid	(2,250)	(2,123)
Stock repurchases	(182)	(1,771)
Proceeds from common stock transactions	150	113
Other	(31)	(17)
Cash flows from financing activities	187	(4,298)
Net change in cash and cash equivalents	389	(829)
Cash and cash equivalents at beginning of period	3,050	4,631
Cash and cash equivalents at end of period	$ 3,439	$ 3,802