CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash Flows From Operating Activities:
Net Earnings/(Loss)	$ 3,090	$ (846)
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization, net	5,380	5,035
Deferred income taxes	(95)	1,365
Share-based compensation	308	423
Impairment charges	579	116
Pension settlements and amortization	25	22
Divestiture gains and royalties	(302)	(295)
Asset acquisition charges	801	361
Equity investment (gains)/losses	(749)	(480)
Contingent consideration fair value adjustments	(510)	391
Other adjustments	204	(91)
Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract]
Receivables	(626)	(197)
Inventories	111	2,090
Accounts payable	158	480
Income taxes payable	(795)	185
Other	(695)	(129)
Net Cash Provided by Operating Activities	6,884	8,430
Cash Flows From Investing Activities:
Sale and maturities of marketable debt securities	1,968	3,537
Purchase of marketable debt securities	(2,343)	(1,957)
Proceeds from sales of equity investment securities	814	12
Capital expenditures	(383)	(317)
Divestiture and other proceeds	382	336
Acquisition and other payments, net of cash acquired	(401)	(445)
Net Cash Provided by Investing Activities	37	1,166
Cash Flows From Financing Activities:
Short-term debt obligations, net	(185)	(22)
Repayments of Long-term Debt	(5,522)	0
Repurchase of common stock	(3,011)	(81)
Dividends	(2,207)	(2,038)
Other	448	94
Net Cash (Used in)/Provided by Financing Activities	(10,477)	(2,047)
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	(20)	(7)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(3,576)	7,542
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	14,973	12,820
Cash, Cash Equivalents and Restricted Cash at End of Period	$ 11,397	$ 20,362