XML 141 R128.htm IDEA: XBRL DOCUMENT
v3.24.0.1

EARNINGS PER SHARE - Narrative (Details) - shares shares in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Earnings Per Share [Abstract] |  |  |
Performance shares excluded from diluted earnings per share (in shares) | 0.7 | 0.8 | 0.8

X
- Definition Performance Shares Excluded From Diluted Earnings + References No definition available. + Details
Name: | bwa_PerformanceSharesExcludedFromDilutedEarnings
Namespace Prefix: | bwa_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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