GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Goodwill [Line Items]
Goodwill	$ 13,345		$ 13,345		$ 12,999
Increase (decrease) in intangible assets			(151)
Addition of intangible assets			140
Amortization of intangible assets	160	$ 136	299	$ 1,058
Power
Goodwill [Line Items]
Non-cash pre-tax impairment charge				765
Pre-tax impairment charges				$ 59
Corporate
Goodwill [Line Items]
Goodwill	823		823		818
Corporate | Digital
Goodwill [Line Items]
Goodwill	823		823
Operating segments | Power
Goodwill [Line Items]
Goodwill	308		308		144
Operating segments | Aerospace
Goodwill [Line Items]
Goodwill	8,930		8,930		$ 8,835
Operating segments | Aerospace | Additive
Goodwill [Line Items]
Goodwill	$ 246		$ 246