CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash Flows From Operating Activities:
Net (Loss)/Earnings	$ (846)	$ 3,154
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization, net	5,035	339
Deferred income taxes	1,365	(113)
Share-based compensation	423	101
Impairment charges	116	174
Pension settlements and amortization	22	126
Divestiture gains and royalties	(295)	(320)
Asset acquisition charges	100	25
Equity investment gains	(479)	(246)
Contingent consideration fair value adjustments	391	0
Other adjustments	(92)	(14)
Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract]
Receivables	(197)	307
Inventories	2,090	28
Accounts payable	480	156
Income taxes payable	185	(39)
Other	(135)	(205)
Net Cash Provided by Operating Activities	8,163	3,473
Cash Flows From Investing Activities:
Sale and maturities of marketable debt securities	3,537	2,149
Purchase of marketable debt securities	(1,957)	(437)
Capital expenditures	(317)	(395)
Divestiture and other proceeds	348	507
Acquisition and other payments, net of cash acquired	(178)	(49)
Net Cash Provided by Investing Activities	1,433	1,775
Cash Flows From Financing Activities:
Short-term debt obligations, net	(22)	84
Issuance of long-term debt	0	18,790
Repayments of Long-term Debt	0	(1,256)
Repurchase of common stock	(81)	0
Dividends	(2,038)	(1,340)
Other	94	(39)
Net Cash (Used in)/Provided by Financing Activities	(2,047)	16,239
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	(7)	6
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	7,542	21,493
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	12,820	6,911
Cash, Cash Equivalents and Restricted Cash at End of Period	$ 20,362	$ 28,404