GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Other intangible assets
Total other intangible assets, gross carrying amounts	$ 73,340	$ 68,283
Accumulated amortization	(50,033)	(41,211)
Other intangible assets, net	23,307	27,072
IPRD
Other intangible assets
IPRD	7,985	3,710
Other intangible assets, net	7,985	3,710
R&D technology
Other intangible assets
Finite-lived intangible assets, net	1,980	0
Accumulated amortization	(275)	0
Other intangible assets, net	$ 1,705	0
R&D technology | Minimum
Other intangible assets
Finite-lived intangible asset, useful life	5 years
R&D technology | Maximum
Other intangible assets
Finite-lived intangible asset, useful life	15 years
Acquired marketed product rights
Other intangible assets
Finite-lived intangible assets, net	$ 61,876	63,076
Accumulated amortization	(48,659)	(40,184)
Other intangible assets, net	$ 13,217	22,892
Acquired marketed product rights | Minimum
Other intangible assets
Finite-lived intangible asset, useful life	3 years
Acquired marketed product rights | Maximum
Other intangible assets
Finite-lived intangible asset, useful life	15 years
Capitalized software
Other intangible assets
Finite-lived intangible assets, net	$ 1,499	1,497
Accumulated amortization	(1,099)	(1,027)
Other intangible assets, net	$ 400	$ 470
Capitalized software | Minimum
Other intangible assets
Finite-lived intangible asset, useful life	3 years
Capitalized software | Maximum
Other intangible assets
Finite-lived intangible asset, useful life	10 years