OTHER INCOME (LOSS) - Schedule of Other Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Licensing and royalty income	$ 34	$ 57
Unrealized gain (loss)	6,040	(370)
Realized and unrealized gain (loss)	5,906	(206)
Other net interest and investment income (loss)	186	93
Other items	(48)	82
Total other income (loss)	$ 6,081	$ 49
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]	Total other income (loss)	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	$ 0	$ 38
GE Healthcare
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Unrealized gain (loss)	6,093	0
AerCap
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Realized and unrealized gain (loss)	(195)	(1,736)
Baker Hughes
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Realized and unrealized gain (loss)	$ 10	$ 1,515