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v3.24.2

OTHER OPERATING EXPENSE, NET - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Other Income and Expenses [Abstract] |  |  |  |
Commercial contract settlement | $ 15 | $ 0 | $ 15 | $ 0
Adjustments associated with Spin-Off related balances | 11 | 0 | 11 | 0
Merger and acquisition expense | $ 0 | $ 8 | $ 5 | $ 16

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- Definition Adjustments Associated with Spin Off Related Balances + References No definition available. + Details
Name: | bwa_AdjustmentsAssociatedWithSpinOffRelatedBalances
Namespace Prefix: | bwa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Gain (loss) on Commercial Contract Settlement + References No definition available. + Details
Name: | bwa_GainLossOnCommercialContractSettlement
Namespace Prefix: | bwa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Merger and Acquisition Expense + References No definition available. + Details
Name: | bwa_MergerAndAcquisitionExpense
Namespace Prefix: | bwa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_OtherIncomeAndExpensesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration