CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash Flows From Operating Activities:
Net Earnings	$ 1,032	$ 4,520
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization, net	7,690	510
Deferred income taxes	1,419	(536)
Share-based compensation	608	157
Impairment charges	131	183
Pension settlements and amortization	34	1,683
Divestiture gains and royalties	(486)	(1,676)
Asset acquisition charges	278	25
Equity investment (gains)/losses	(724)	15
Contingent consideration fair value adjustments	(597)	0
Other adjustments	(140)	(21)
Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract]
Receivables	(356)	434
Inventories	2,571	(7)
Accounts payable	56	48
Income taxes payable	(2,104)	(4)
Other	970	698
Net Cash Provided by Operating Activities	10,382	6,029
Cash Flows From Investing Activities:
Sale and maturities of marketable debt securities	4,757	2,325
Purchase of marketable debt securities	(3,148)	(1,642)
Capital expenditures	(470)	(585)
Divestiture and other proceeds	550	2,226
Acquisition and other payments, net of cash acquired	(421)	(58)
Net Cash Provided by Investing Activities	1,268	2,266
Cash Flows From Financing Activities:
Short-term debt obligations, net	(264)	115
Issuance of long-term debt	0	18,790
Repayments of Long-term Debt	(1,500)	(1,256)
Repurchase of common stock	(81)	(300)
Dividends	(3,054)	(2,011)
Other	265	(40)
Net Cash (Used in)/Provided by Financing Activities	(4,634)	15,298
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	24	(15)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	7,040	23,578
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	12,820	6,911
Cash, Cash Equivalents and Restricted Cash at End of Period	$ 19,860	$ 30,489