CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash Flows from Operating Activities
Net income	$ 1,603	$ 11,508
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization	1,582	1,623
Depreciation	1,326	1,394
Intangible asset impairment charges	13	910
(Income) loss from investments in equity securities, net	(240)	1,361
Charge for the acquisition of Prometheus Biosciences, Inc.	10,217	0
Charge for the acquisition of Imago BioSciences, Inc.	1,192	0
Deferred income taxes	(968)	(1,261)
Share-based compensation	478	396
Other	(94)	1,169
Net changes in assets and liabilities	(2,349)	(2,435)
Net Cash Provided by Operating Activities	12,760	14,665
Cash Flows from Investing Activities
Capital expenditures	(2,874)	(3,239)
Purchases of securities and other investments	(704)	(710)
Proceeds from sales of securities and other investments	1,489	709
Acquisition of Prometheus Biosciences, Inc., net of cash acquired	(10,705)	0
Acquisition of Imago BioSciences, Inc., net of cash acquired	(1,327)	0
Other acquisitions, net of cash acquired	0	(121)
Other	(15)	149
Net Cash Used in Investing Activities	(14,136)	(3,212)
Cash Flows from Financing Activities
Proceeds from issuance of debt	5,939	0
Payments on debt	(1,752)	(2,250)
Purchases of treasury stock	(953)	0
Dividends paid to stockholders	(5,593)	(5,262)
Proceeds from exercise of stock options	119	119
Other	(325)	(172)
Net Cash Used in Financing Activities	(2,565)	(7,565)
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	(163)	(776)
Net (Decrease) Increase in Cash, Cash Equivalents and Restricted Cash	(4,104)	3,112
Cash, Cash Equivalents and Restricted Cash at Beginning of Year (includes restricted cash of $79 and $71 at January 1, 2023 and 2022, respectively, included in Other current assets)	12,773	8,167
Cash, Cash Equivalents and Restricted Cash at End of Period (includes restricted cash of $64 and $134 at September 30, 2023 and 2022, respectively, included in Other current assets)	$ 8,669	$ 11,279