OTHER INCOME (LOSS) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchases and sales of business interests		$ 66	$ (40)	$ 12,468
Licensing and royalty income		203	192	161
Equity method income		386	215	46
Realized and unrealized gain (loss)		(144)	1,656	(2,085)
Unrealized gain (loss)		(65)	1,656	(1,670)
Other net interest and investment income (loss)(b)		456	621	590
Other items		226	497	207
Total other income (loss)		1,231	$ 2,823	11,396
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]			Total other income (loss)
Interest income		162	$ 167	146
Disposed of by sale, not discontinued operations | Boiler manufacturing business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-tax gain (loss) on sale	$ (170)		(170)
Disposed of by sale, not discontinued operations | BioPharma
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-tax gain (loss) on sale				12,362
Other (income) loss
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity method income		233	(96)	7
Baker Hughes
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Realized and unrealized gain (loss)		912	938	(2,037)
AerCap
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Unrealized gain (loss)		$ (865)	$ 711	$ 0