OTHER OPERATING EXPENSE (INCOME), NET - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]
Costs to exit charging business	$ 4	$ 0	$ 23	$ 0
Chief Executive Officer ("CEO") transition compensation	6	0	6	0
Loss on sale of assets	5	0	5	0
Merger and acquisition expense, net	0	0	2	5
Adjustments associated with Spin-Off related balances	2	11	(1)	$ 11
Commercial contract	0	$ (15)	0
Battery & Charging Systems
Accumulated Other Comprehensive Income (Loss) [Line Items]
Costs to exit charging business	$ 4		$ 23

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

BORGWARNER INC 10-Q