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Accounts payable Accounts Payable Contractual Settlement Contractual Settlement [Member] Contractual Settlement Name Measure Name INCOME TAXES Income Tax Disclosure [Text Block] Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Intangible Assets Gross Roll Forward Gross Carrying Amounts Of Intangible Assets And Accumulated Amortization [Table Text Block] Gross Carrying Amounts of Intangible Asset Schedule of Maturity Period [Domain] Schedule of Maturity Period [Domain] Schedule of Maturity Period [Domain] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] eProducts eProducts [Member] eProducts 5.400% Senior notes due 08/15/34 ($160 million par value) Senior Notes Due August 2034 [Member] Senior Notes Due August 2034 Business consideration Business Combination, Consideration Transferred Capital in excess of par value Additional Paid-in Capital [Member] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Adjustments associated with Spin-Off related balances Adjustments Associated with Spin Off Related Balances Adjustments Associated with Spin Off Related Balances Entity Filer Category Entity Filer Category Supplemental Cash Flow Elements [Abstract] Long-term debt Long-Term Debt, by Current and Noncurrent [Abstract] Indefinite-lived Intangible Assets [Axis] Intangible Asset, Indefinite-Lived, Class [Axis] Payment for business acquired, net of cash acquired Payments to Acquire Business Two, Net of Cash Acquired Impairment Impairment of goodwill Goodwill, Impairment Loss Adjustments of prior estimates Standard Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties Name Trading Arrangement, Individual Name Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Foreign currency translation adjustment and other Restructuring Reserve, Foreign Currency Translation 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Method [Text Block] Customer-related Customer Related Liability Customer Related Liability Net (decrease) increase in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Schedule of Maturity Period [Axis] Schedule of Maturity Period [Axis] Schedule of Maturity Period [Axis] Forecast Forecast [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Contractual earn-out payments Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount Payments for excise tax on purchase of treasury stock Share Repurchase Program, Payments Of Excise Tax Share Repurchase Program, Payments Of Excise Tax Proceeds from settlement Proceeds from Legal Settlements Amortization of unrecognized loss Defined Benefit Plan, Amortization of Gain (Loss) NEW ACCOUNTING PRONOUNCEMENTS Accounting Standards Update and Change in Accounting Principle [Text Block] AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Net earnings attributable to BorgWarner Inc.  Net earnings attributable to BorgWarner Inc.  Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Balance Sheet Location [Axis] Location, Statement of Financial Position, Balance [Axis] Supplier-related Accrued Supplier Items Accrued Supplier Items Restatement Determination Date: Restatement Determination Date [Axis] Schedule of Accumulated Other Comprehensive Loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Interest income Investment Income, Interest Receivables Increase (Decrease) in Receivables Net earnings attributable to BorgWarner Inc.  Net earnings attributable to BorgWarner Inc.  Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Gains and (losses) on derivative instruments Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax 4.375% Senior notes due 03/15/45 ($370 million par value) Senior Notes Due March 2045 [Member] Senior Notes Due March 2045 Foundational products Foundational Products [Member] Foundational Products Damages sought Loss Contingency, Damages Sought, Value Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]