OTHER INCOME (LOSS) - Narrative (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Dispositions of retained ownership interests		$ 9,004	$ 4,717	$ 4,145
GE HealthCare
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity securities, investment interest (in shares)		61.6
Equity securities, ownership percentage		13.50%
Dispositions of retained ownership interests		$ 2,192
AerCap
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Dispositions of retained ownership interests		$ 6,587
Baker Hughes
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Dispositions of retained ownership interests	$ 216