GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Roll Forward]
Balance at beginning of period	$ 12,903	$ 13,456
Additions	2,147	119
Goodwill reclassified to held for sale		(907)
Translation	(299)	235
Balance at end of period	14,751	12,903
Electrical Americas
Goodwill [Roll Forward]
Balance at beginning of period	6,456	6,352
Additions	971	97
Goodwill reclassified to held for sale		0
Translation	(10)	7
Balance at end of period	7,417	6,456
Electrical Global
Goodwill [Roll Forward]
Balance at beginning of period	4,295	4,106
Additions	85	7
Goodwill reclassified to held for sale		0
Translation	(197)	182
Balance at end of period	4,183	4,295
Hydraulics
Goodwill [Roll Forward]
Balance at beginning of period	0	921
Additions	0	0
Goodwill reclassified to held for sale		(907)
Translation	0	(14)
Balance at end of period	0	0
Aerospace
Goodwill [Roll Forward]
Balance at beginning of period	1,777	1,706
Additions	1,091	15
Goodwill reclassified to held for sale		0
Translation	(87)	56
Balance at end of period	2,781	1,777
Vehicle
Goodwill [Roll Forward]
Balance at beginning of period	293	291
Additions	0	0
Goodwill reclassified to held for sale		0
Translation	(3)	2
Balance at end of period	290	293
eMobility
Goodwill [Roll Forward]
Balance at beginning of period	82	80
Additions	0	0
Goodwill reclassified to held for sale		0
Translation	(2)	2
Balance at end of period	$ 80	$ 82