REVENUE RECOGNITION - Schedule of Disaggregation of Sales (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Disaggregation of Revenue [Line Items]
Net sales	$ 5,412	$ 5,211	$ 16,150	$ 15,191
Electrical Products
Disaggregation of Revenue [Line Items]
Net sales	1,789		5,327
Electrical Products | United States [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,055		3,048
Electrical Products | Rest of world [Member]
Disaggregation of Revenue [Line Items]
Net sales	734		2,279
Electrical Systems and Services
Disaggregation of Revenue [Line Items]
Net sales	1,519		4,413
Electrical Systems and Services | United States [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,000		2,877
Electrical Systems and Services | Rest of world [Member]
Disaggregation of Revenue [Line Items]
Net sales	519		1,536
Hydraulics
Disaggregation of Revenue [Line Items]
Net sales	670		2,103
Hydraulics | United States [Member]
Disaggregation of Revenue [Line Items]
Net sales	301		907
Hydraulics | Rest of world [Member]
Disaggregation of Revenue [Line Items]
Net sales	369		1,196
Aerospace
Disaggregation of Revenue [Line Items]
Net sales	478		1,399
Aerospace | Original Equipment Manufacturers [Member]
Disaggregation of Revenue [Line Items]
Net sales	269		799
Aerospace | Aftermarket, Distribution and End User [Member]
Disaggregation of Revenue [Line Items]
Net sales	209		600
Vehicle
Disaggregation of Revenue [Line Items]
Net sales	876		2,668
Vehicle | Commercial [Member]
Disaggregation of Revenue [Line Items]
Net sales	451		1,333
Vehicle | Passenger and Light Duty [Member]
Disaggregation of Revenue [Line Items]
Net sales	425		1,335
eMobility
Disaggregation of Revenue [Line Items]
Net sales	$ 80		$ 240