GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in Goodwill Balances (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($)
Goodwill
Balance at beginning of period	$ 13,385
Acquisitions	4
Currency exchange and other	(84)
Balance at end of period	13,304
Operating segments | Aerospace
Goodwill
Balance at beginning of period	8,948
Acquisitions	0
Currency exchange and other	(46)
Balance at end of period	8,902
Operating segments | Renewable Energy
Goodwill
Balance at beginning of period	3,287
Acquisitions	0
Currency exchange and other	(34)
Balance at end of period	3,253
Operating segments | Power
Goodwill
Balance at beginning of period	307
Acquisitions	4
Currency exchange and other	(1)
Balance at end of period	311
Corporate, non-segment
Goodwill
Balance at beginning of period	842
Acquisitions	0
Currency exchange and other	(4)
Balance at end of period	$ 838