OTHER (INCOME)/EXPENSE, NET - Schedule of Other (Income) Expense (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Other Nonoperating Income (Expense) [Abstract]
Interest expense	$ 480	$ 505	$ 1,459	$ 1,451
Royalty income - divestitures (Note 4)	(286)	(284)	(844)	(820)
Royalty and licensing income (Note 4)	(276)	(180)	(697)	(532)
Provision for restructuring (Note 6)	75	78	432	558
Investment income	(161)	(94)	(438)	(364)
Integration expenses (Note 6)	36	69	110	214
Litigation and other settlements	165	0	424	71
Acquisition expense	0	0	5	50
Intangible asset impairment	0	47	0	47
Equity investment (gains)/losses, net (Note 9)	(190)	(12)	(90)	(221)
Contingent consideration (Note 9)	0	0	336	0
Other	48	105	29	134
Other (income)/expense, net	$ (108)	234	$ 725	588
Pension settlement charges		$ 100		$ 119