REVENUE RECOGNITION - Disaggregation of Sales (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 19,628	$ 17,858	$ 21,390
United States
Disaggregation of Revenue [Line Items]
Net sales	10,868	10,044	12,336
Electrical Americas
Disaggregation of Revenue [Line Items]
Net sales	7,242	6,680	8,175
Electrical Global
Disaggregation of Revenue [Line Items]
Net sales	5,516	4,703	5,172
Hydraulics
Disaggregation of Revenue [Line Items]
Net sales	1,300	1,842	2,204
Hydraulics | United States
Disaggregation of Revenue [Line Items]
Net sales	534	796	1,000
Hydraulics | Rest of World
Disaggregation of Revenue [Line Items]
Net sales	766	1,046	1,204
Aerospace
Disaggregation of Revenue [Line Items]
Net sales	2,648	2,223	2,480
Aerospace | Original Equipment Manufacturers
Disaggregation of Revenue [Line Items]
Net sales	1,018	986	1,178
Aerospace | Aftermarket
Disaggregation of Revenue [Line Items]
Net sales	823	685	859
Aerospace | Industrial and Other
Disaggregation of Revenue [Line Items]
Net sales	807	552	443
Vehicle
Disaggregation of Revenue [Line Items]
Net sales	2,579	2,118	3,038
eMobility
Disaggregation of Revenue [Line Items]
Net sales	343	292	321
Products | Electrical Americas
Disaggregation of Revenue [Line Items]
Net sales	2,255	2,255	3,675
Products | Electrical Global
Disaggregation of Revenue [Line Items]
Net sales	3,283	2,608	2,782
Systems | Electrical Americas
Disaggregation of Revenue [Line Items]
Net sales	4,987	4,425	4,500
Systems | Electrical Global
Disaggregation of Revenue [Line Items]
Net sales	2,233	2,095	2,390
Commercial | Vehicle
Disaggregation of Revenue [Line Items]
Net sales	1,438	1,060	1,538
Passenger and Light Duty | Vehicle
Disaggregation of Revenue [Line Items]
Net sales	$ 1,141	$ 1,058	$ 1,500