Consolidated Statements of Cash Flows - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net income		$ 6,510	$ 8,749	$ 7,769
Adjustments to net income:
Depreciation		1,175	925	755
Amortization of acquisition-related intangibles		0	0	142
Amortization of capitalized software		63	54	57
Stock compensation		362	289	230
Gains on sales of assets		0	(3)	(57)
Deferred taxes		(299)	(191)	15
Increase (decrease) from changes in:
Accounts receivable		108	(194)	(287)
Inventories		(1,242)	(847)	45
Prepaid expenses and other current assets		46	6	57
Accounts payable and accrued expenses		(33)	106	33
Accrued compensation		29	22	7
Income taxes payable		(7)	94	(20)
Changes in funded status of retirement plans		45	114	62
Other		(337)	(404)	(52)
Cash flows from operating activities		6,420	8,720	8,756
Cash flows from investing activities
Capital expenditures		(5,071)	(2,797)	(2,462)
Proceeds from asset sales		3	3	75
Purchases of short-term investments		(12,705)	(14,483)	(10,124)
Proceeds from short-term investments		13,387	13,657	8,478
Other		24	37	(62)
Cash flows from investing activities		(4,362)	(3,583)	(4,095)
Cash flows from financing activities
Proceeds from issuance of long-term debt		3,000	1,494	1,495
Repayment of debt		(500)	(500)	(550)
Dividends paid		(4,557)	(4,297)	(3,886)
Stock repurchases		(293)	(3,615)	(527)
Proceeds from common stock transactions	[1]	263	241	377
Other		(57)	(41)	(46)
Cash flows from financing activities		(2,144)	(6,718)	(3,137)
Net change in cash and cash equivalents		(86)	(1,581)	1,524
Cash and cash equivalents at beginning of period		3,050	4,631	3,107
Cash and cash equivalents at end of period		$ 2,964	$ 3,050	$ 4,631

[1] Net of taxes paid for employee shares withheld of $46 million, $50 million and $53 million in 2023, 2022 and 2021, respectively.