REVENUE RECOGNITION - Disaggregation of Sales (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 4,843	$ 4,692
Electrical Americas
Disaggregation of Revenue [Line Items]
Net sales	1,891	1,622
Electrical Americas | Products
Disaggregation of Revenue [Line Items]
Net sales	603	520
Electrical Americas | Systems
Disaggregation of Revenue [Line Items]
Net sales	1,288	1,102
Electrical Global
Disaggregation of Revenue [Line Items]
Net sales	1,437	1,253
Electrical Global | Products
Disaggregation of Revenue [Line Items]
Net sales	876	713
Electrical Global | Systems
Disaggregation of Revenue [Line Items]
Net sales	561	540
Hydraulics
Disaggregation of Revenue [Line Items]
Net sales	0	561
Hydraulics | United States
Disaggregation of Revenue [Line Items]
Net sales	0	222
Hydraulics | Rest of World
Disaggregation of Revenue [Line Items]
Net sales	0	339
Aerospace
Disaggregation of Revenue [Line Items]
Net sales	718	519
Aerospace | Original Equipment Manufacturers
Disaggregation of Revenue [Line Items]
Net sales	293	208
Aerospace | Aftermarket
Disaggregation of Revenue [Line Items]
Net sales	221	146
Aerospace | Industrial and Other
Disaggregation of Revenue [Line Items]
Net sales	204	165
Vehicle
Disaggregation of Revenue [Line Items]
Net sales	671	654
Vehicle | Commercial
Disaggregation of Revenue [Line Items]
Net sales	402	342
Vehicle | Passenger and Light Duty
Disaggregation of Revenue [Line Items]
Net sales	269	312
eMobility
Disaggregation of Revenue [Line Items]
Net sales	$ 126	$ 83