REPORTING SEGMENTS AND RELATED INFORMATION (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) segment	Dec. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($)
Segment Reporting Information [Line Items]
Net sales	$ 10,165	$ 10,168	$ 10,530
Year-end assets	16,029	9,702	10,095
Depreciation and amortization	568	439	431
Long-lived asset expenditures	$ 441	$ 481	546
Number of Reportable Segments | segment	4	2
Customers
Segment Reporting Information [Line Items]
Net sales	$ 10,165	$ 10,168	10,530
Inter-segment
Segment Reporting Information [Line Items]
Net sales	0	0	0
e-Propulsion & Drivetrain
Segment Reporting Information [Line Items]
Asset impairment	38
Operating Segments
Segment Reporting Information [Line Items]
Net sales	10,165	10,168	10,530
Year-end assets	13,896	8,611	8,651
Depreciation and amortization	536	410	401
Long-lived asset expenditures	425	473	532
Operating Segments | Customers
Segment Reporting Information [Line Items]
Net sales	10,165	10,168	10,530
Operating Segments | Inter-segment
Segment Reporting Information [Line Items]
Net sales	0	0	0
Operating Segments | Air Management
Segment Reporting Information [Line Items]
Net sales	5,678	6,214	6,447
Year-end assets	5,714	4,536	4,731
Depreciation and amortization	241	227	226
Long-lived asset expenditures	210	219	278
Operating Segments | Air Management | Customers
Segment Reporting Information [Line Items]
Net sales	5,598	6,153	6,390
Operating Segments | Air Management | Inter-segment
Segment Reporting Information [Line Items]
Net sales	80	61	57
Operating Segments | e-Propulsion & Drivetrain
Segment Reporting Information [Line Items]
Net sales	3,989	4,015	4,140
Year-end assets	5,412	4,075	3,920
Depreciation and amortization	261	183	175
Long-lived asset expenditures	192	254	254
Operating Segments | e-Propulsion & Drivetrain | Customers
Segment Reporting Information [Line Items]
Net sales	3,940	4,015	4,140
Operating Segments | e-Propulsion & Drivetrain | Inter-segment
Segment Reporting Information [Line Items]
Net sales	49	0	0
Operating Segments | Fuel Injection
Segment Reporting Information [Line Items]
Net sales	479
Year-end assets	1,964
Depreciation and amortization	32
Long-lived asset expenditures	21
Operating Segments | Fuel Injection | Customers
Segment Reporting Information [Line Items]
Net sales	435
Operating Segments | Fuel Injection | Inter-segment
Segment Reporting Information [Line Items]
Net sales	44
Operating Segments | Aftermarket
Segment Reporting Information [Line Items]
Net sales	194
Year-end assets	806
Depreciation and amortization	2
Long-lived asset expenditures	2
Operating Segments | Aftermarket | Customers
Segment Reporting Information [Line Items]
Net sales	192
Operating Segments | Aftermarket | Inter-segment
Segment Reporting Information [Line Items]
Net sales	2
Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales	(175)	(61)	(57)
Year-end assets	0	0	0
Depreciation and amortization	0	0	0
Long-lived asset expenditures	0	0	0
Intersegment Eliminations | Customers
Segment Reporting Information [Line Items]
Net sales	0	0	0
Intersegment Eliminations | Inter-segment
Segment Reporting Information [Line Items]
Net sales	(175)	(61)	(57)
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Net sales	0	0	0
Year-end assets	2,133	1,091	1,444
Depreciation and amortization	32	29	30
Long-lived asset expenditures	16	8	14
Corporate, Non-Segment | Customers
Segment Reporting Information [Line Items]
Net sales	0	0	0
Corporate, Non-Segment | Inter-segment
Segment Reporting Information [Line Items]
Net sales	$ 0	$ 0	$ 0