SUMMARIZED FINANCIAL INFORMATION - Schedule of Equity Method Investments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Entity Information [Line Items]
Equity method investment	$ 6,247	$ 5,590
Equity method income (loss)	456	345	$ 223
Operating segments | Commercial Engines & Services
Entity Information [Line Items]
Equity method investment	1,610	1,551
Equity method income (loss)	301	276	139
Operating segments | Defense & Propulsion Technologies
Entity Information [Line Items]
Equity method investment	186	175
Equity method income (loss)	8	8	8
Corporate & Other
Entity Information [Line Items]
Equity method investment	4,451	3,863
Equity method income (loss)	147	61	$ 75
Corporate & Other | Insurance
Entity Information [Line Items]
Equity method investment	2,933	2,383
Corporate & Other | Energy Financial Services
Entity Information [Line Items]
Equity method investment	$ 1,280	$ 1,227