OTHER INCOME (LOSS) - Schedule of Other Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Realized and unrealized gain (loss)			$ 314	$ 6,286
Other net interest and investment income (loss)	$ 200	$ 128	429	296
Licensing and royalty income	51	29	107	54
Other items	46	(39)	95	(72)
Total other income (loss)	(63)	496	944	$ 6,600
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]				Total other income (loss)
Other (income) loss
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity method income	34	20	79	$ 57
Retained and sold ownership interests
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Realized and unrealized gain (loss)	(394)	358	234	6,266
GE HealthCare
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Realized and unrealized gain (loss)	(397)	(214)	219	5,879
AerCap
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Realized and unrealized gain (loss)	3	572	15	378
Baker Hughes
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Realized and unrealized gain (loss)	$ 0	$ 0	$ 0	$ 10