GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in Goodwill Balances (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($)
Goodwill
Balance at beginning of period	$ 12,999
Currency exchange and other	108
Balance at end of period	13,107
Operating segments | Aerospace
Goodwill
Balance at beginning of period	8,835
Currency exchange and other	64
Balance at end of period	8,899
Operating segments | Renewable Energy
Goodwill
Balance at beginning of period	3,201
Currency exchange and other	42
Balance at end of period	3,243
Operating segments | Power
Goodwill
Balance at beginning of period	144
Currency exchange and other	0
Balance at end of period	144
Corporate
Goodwill
Balance at beginning of period	818
Currency exchange and other	2
Balance at end of period	$ 821