DISCONTINUED OPERATIONS - Schedule of Financial Results from Discontinued Operations (Details) - Phinia - Discontinued operations - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	$ 0	$ 836
Cost of sales	0	663
Gross profit	0	173
Selling, general and administrative expenses	0	85
Restructuring expense	0	4
Other operating expense, net	10	18
Operating (loss) income	(10)	66
Equity in affiliates’ earnings, net of tax	0	(3)
(Loss) earnings from discontinued operations before income taxes	(10)	69
(Benefit) provision for income taxes	(3)	20
Net (loss) earnings from discontinued operations attributable to PHINIA	$ (7)	$ 49