CONTINGENCIES - Narrative (Details) $ in Millions		12 Months Ended
	Oct. 30, 2019 USD ($)	Dec. 31, 2021 USD ($) site	Dec. 31, 2020 USD ($) site	Dec. 31, 2019 USD ($)
Loss Contingencies [Line Items]
Loss contingency accrual		$ 130
Loss contingency accrual, payment		$ 124
Waste disposal sites | site		26	26
Accrual for environmental loss contingencies		$ 7	$ 7
Gain on derecognition of subsidiary (Note 21)		$ 0	$ 0	$ 177
Liability for unpaid claims and claims adjustment expense, claims paid				38
BorgWarner Morse TEC LLC
Loss Contingencies [Line Items]
Ownership percentage transferred (in percent)	100.00%
Cash payments on transfer of subsidiary to third party	$ 172
Gain on derecognition of subsidiary (Note 21)				$ 177
Tax expense on derecognition of subsidiary	173
After-tax gain of derecognition of subsidiary	$ 4