SUMMARIZED FINANCIAL INFORMATION - Schedule of Equity Method Investments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Entity Information [Line Items]
Equity method investment	$ 7,931	$ 7,633
Equity method income (loss)	413	373	$ 188
Operating segments | Aerospace
Entity Information [Line Items]
Equity method investment	1,958	1,931
Equity method income (loss)	295	149	58
Operating segments | Renewable Energy
Entity Information [Line Items]
Equity method investment	808	752
Equity method income (loss)	74	32	39
Operating segments | Power
Entity Information [Line Items]
Equity method investment	1,029	960
Equity method income (loss)	78	89	23
Corporate and eliminations
Entity Information [Line Items]
Equity method investment	4,136	3,991
Equity method income (loss)	(34)	103	$ 68
Corporate and eliminations | Energy Financial Services
Entity Information [Line Items]
Equity method investment	1,718	1,975
Corporate and eliminations | Insurance
Entity Information [Line Items]
Equity method investment	$ 2,383	$ 1,980