OTHER OPERATING EXPENSE (INCOME), NET - Narrative (Details) $ in Millions	3 Months Ended
Mar. 31, 2023 USD ($)
Other Income and Expenses [Abstract]
Merger, acquisition and divestiture expense, net	$ 22

Transaction related expenses including merger, acquisition and divestiture

No definition available.

Name:	bwa_MergerAcquisitionAndDivestitureExpense
Namespace Prefix:	bwa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration