CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash Flows From Operating Activities:
Net Earnings/(Loss)	$ 4,642	$ 1,032
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization, net	8,107	7,690
Deferred income taxes	(127)	1,419
Share-based compensation	450	608
Impairment charges	1,192	131
Pension settlements and amortization	30	34
Divestiture gains and royalties	(462)	(486)
Asset acquisition charges	1,071	603
Equity investment (gains)/losses	(1,214)	(724)
Contingent consideration fair value adjustments	(510)	(597)
Other adjustments	168	(140)
Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract]
Receivables	(886)	(356)
Inventories	141	2,571
Accounts payable	19	56
Income taxes payable	(841)	(2,104)
Other	370	960
Net Cash Provided by Operating Activities	12,150	10,697
Cash Flows From Investing Activities:
Sale and maturities of marketable debt securities	2,952	4,757
Purchase of marketable debt securities	(3,408)	(3,148)
Proceeds from Sale of Equity Securities, FV-NI	1,058	14
Capital expenditures	(653)	(470)
Divestiture and other proceeds	570	536
Acquisition and other payments, net of cash acquired	(1,458)	(736)
Net Cash Provided by Investing Activities	(939)	953
Cash Flows From Financing Activities:
Short-term debt obligations, net	(46)	(264)
Repayments of Long-term Debt	(6,022)	(1,500)
Repurchase of common stock	(3,536)	(81)
Dividends	(3,297)	(3,054)
Other	644	265
Net Cash (Used in)/Provided by Financing Activities	(12,257)	(4,634)
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	(48)	24
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(1,094)	7,040
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	14,973	12,820
Cash, Cash Equivalents and Restricted Cash at End of Period	$ 13,879	$ 19,860