RESTRUCTURING CHARGES - Restructuring Program Charges Related to Segments (Details) - USD ($) $ in Millions	12 Months Ended			21 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]
Liability recognized	$ 78	$ 214	$ 0	$ 292
Operating segments | Electrical Americas
Restructuring Cost and Reserve [Line Items]
Liability recognized	14	18
Operating segments | Electrical Global
Restructuring Cost and Reserve [Line Items]
Liability recognized	18	55
Operating segments | Aerospace
Restructuring Cost and Reserve [Line Items]
Liability recognized	8	34
Operating segments | Vehicle
Restructuring Cost and Reserve [Line Items]
Liability recognized	21	102
Operating segments | eMobility
Restructuring Cost and Reserve [Line Items]
Liability recognized	1	1
Corporate
Restructuring Cost and Reserve [Line Items]
Liability recognized	$ 16	$ 4