EQUITY - Schedule of Stockholders Equity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Equity [Line Items]
Beginning balance	$ 37,822
Net earnings	6,994	$ (9,015)	$ 3,439
Net earnings attributable to noncontrolling interest	(20)	(20)	(21)
Other Comprehensive Income/(Loss)	571	(319)	$ 1,242
Ending balance	$ 35,946	$ 37,822
Dividends declared (in usd per share)	$ 2.01	$ 1.84	$ 1.68
Common Stock
Equity [Line Items]
Beginning balance (in shares)	2,923	2,923	2,208
Beginning balance	$ 292	$ 292	$ 221
Celgene acquisition (in shares)			715
Celgene acquisition			$ 71
Ending balance (in shares)	2,923	2,923	2,923
Ending balance	$ 292	$ 292	$ 292
Capital in Excess of Par Value of Stock
Equity [Line Items]
Beginning balance	44,325	43,709	2,081
Celgene acquisition			42,721
Share repurchase program	0	1,400	(1,400)
Stock compensation	36	(784)	307
Ending balance	44,361	44,325	43,709
Accumulated Other Comprehensive Loss
Equity [Line Items]
Beginning balance	(1,839)	(1,520)	(2,762)
Other Comprehensive Income/(Loss)	571	(319)	1,242
Ending balance	(1,268)	(1,839)	(1,520)
Retained Earnings
Equity [Line Items]
Beginning balance	21,281	34,474	34,065
Adjusted beginning balance				$ 34,070
Net earnings	6,994	(9,015)	3,439
Cash dividends declared	(4,455)	(4,178)	(3,035)
Ending balance	$ 23,820	$ 21,281	34,474
Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment
Equity [Line Items]
Beginning balance			$ 5
Treasury Stock
Equity [Line Items]
Beginning balance (in shares)	679	672	576
Beginning balance	$ (26,237)	$ (25,357)	$ (19,574)
Share repurchase program	$ (6,240)	$ (2,993)	$ (5,900)
Stock repurchase program (in shares)	102	43	105
Stock compensation	$ 1,218	$ 2,113	$ 117
Stock compensation (in shares)	(34)	(36)	(9)
Ending balance (in shares)	747	679	672
Ending balance	$ (31,259)	$ (26,237)	$ (25,357)
Noncontrolling Interest
Equity [Line Items]
Beginning balance	60	100	96
Net earnings attributable to noncontrolling interest	20	20	21
Distributions	(20)	(60)	(17)
Ending balance	$ 60	$ 60	$ 100