Business Combination, Consideration Payable In Next Three Months

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- Definition

Business Combination, Consideration Payable In Next Two Years

+ References

No definition available.

+ Details

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- Definition

Business Combination, Consideration Transferred, Base Purchase Price

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Business Combination Contingent Consideration Earn Out Payment Liability

+ References

No definition available.

+ Details

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Namespace Prefix:	bwa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Business Combination Contingent Consideration Final Settlement

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Business Combination, Contingent Consideration, Period

+ References

No definition available.

+ Details

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- Definition

Business Combination, Post Closing Adjustments, Through Reduction Of Payment

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets Including Goodwill

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Business Combination, Remaining Consideration Payable

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Disposal Group, Including Discontinued Operation, Estimate Expected Earn-out, Loss

+ References

No definition available.

+ Details

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- Definition

Disposal Group, Including Discontinued Operation, Estimated Payout

+ References

No definition available.

+ Details

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- Definition

Disposal Group, Including Discontinued Operation, Potential Earn Out Payments

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Distribution Of Outstanding Common Stock, Conversion Ratio

+ References

No definition available.

+ Details

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- Definition

Distribution Of Outstanding Common Stock Percentage

+ References

No definition available.

+ Details

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- Definition

Equity Method Investment, Percent Of Fair Value Discount Reduction

+ References

No definition available.

+ Details

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Paragraph 5
-Subparagraph (a)
-Publisher FASB
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+ Details

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
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-URI https://asc.fasb.org//1943274/2147479328/805-10-50-2

+ Details

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- Definition

Amount paid or received to resolve the preacquisition contingency.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 340
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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-Subparagraph (SAB Topic 2.A.6)
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-Section 50
-Paragraph 1
-Subparagraph (d)
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-URI https://asc.fasb.org//1943274/2147479907/805-20-50-1

+ Details

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Period Type:	instant

- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 10
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- Definition

This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.

+ References

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-Subparagraph (e)(1)
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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

+ References

+ Details

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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.

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- Definition

Amount of assets acquired at the acquisition date.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

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-Section 50
-Paragraph 1
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- Definition

Amount of liabilities assumed at the acquisition date.

+ References

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 205
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
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-URI https://asc.fasb.org//1943274/2147483499/205-20-50-7

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-Paragraph 5B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483499/205-20-50-5B

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 10
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-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481687/323-10-50-3

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- Definition

Fair value portion of investments accounted under the equity method.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Section 50
-Paragraph 2E
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
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-Paragraph 1
-Subparagraph (SX 210.5-02(12))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Section 45
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482736/825-10-45-1A

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Period Type:	instant

- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
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- Definition

Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

The difference between the carrying value and the sale price of an investment. A gain would be recognized when the sale price of the investment is greater than the carrying value of the investment. This element refers to the Gain included in earnings and not to the cash proceeds of the sale.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
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-Subparagraph (b)
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-Paragraph 1
-Subparagraph (SX 210.9-04(13))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1

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Period Type:	duration

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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-Name Accounting Standards Codification
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-Paragraph 10
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-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
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Period Type:	instant

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

The cash inflow associated with the amount received from the sale of a business segment or subsidiary or sale of an entity that is related to it but not strictly controlled during the period (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

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ACQUISITIONS AND DISPOSITIONS - Narrative (Details) € in Millions, ¥ in Millions, SFr in Millions, $ in Millions										1 Months Ended	3 Months Ended	12 Months Ended
	Jul. 03, 2023	Mar. 01, 2023 USD ($)	Mar. 01, 2023 CNY (¥)	Dec. 01, 2022 USD ($)	Dec. 01, 2022 CHF (SFr)	Jul. 29, 2022 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2022 CNY (¥)	Dec. 31, 2021 USD ($)	Feb. 28, 2022 USD ($)	Mar. 31, 2022 CNY (¥)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 CNY (¥)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 EUR (€)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2023 CNY (¥)	Dec. 31, 2023 CHF (SFr)	Dec. 01, 2023 USD ($)	Dec. 01, 2023 EUR (€)	Mar. 01, 2023 CNY (¥)	Dec. 31, 2022 CHF (SFr)	Mar. 31, 2022 CNY (¥)	Feb. 10, 2022	Dec. 17, 2021 USD ($)	Dec. 17, 2021 EUR (€)	Oct. 25, 2021 USD ($)	Jun. 04, 2021 USD ($)	Jun. 04, 2021 EUR (€)	Dec. 29, 2020	Sep. 30, 2019 USD ($)	May 31, 2019 USD ($)
Business Acquisition [Line Items]
Goodwill									$ 2,854			$ 3,013		$ 2,978		$ 2,854
Distribution of outstanding common stock percentage	100.00%
Conversion ratio, outstanding common stock distributed	0.2
Payments to acquire businesses, net of cash acquired												109		312		759
Gain (loss) on divestiture												5		13		(29)
Water Valley
Business Acquisition [Line Items]
Net sales																177
Gain (loss) on divestiture												(22)
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Water Valley
Business Acquisition [Line Items]
Disposal group, consideration									57							57
Payments to acquire businesses, net of cash acquired																39
Potential earn out payments									30							30
Estimated payout									18			5				18
Estimate of expected earn-out, loss												5		9
Final settlement												14
Gain (loss) on divestiture									$ 22
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Water Valley \| Promissory note
Business Acquisition [Line Items]
Estimated payout												10
Romeo Power Inc.
Business Acquisition [Line Items]
Noncontrolling interest																															14.00%
BorgWarner Romeo Power LLC
Business Acquisition [Line Items]
Investment fair value																												$ 30
Corporate Joint Venture \| BorgWarner Romeo Power LLC
Business Acquisition [Line Items]
Noncontrolling interest																																60.00%
Romeo Power Inc.
Business Acquisition [Line Items]
Ownership interest equity interest																																	20.00%
Realized and unrealized loss on debt and equity securities														(39)		$ (362)	$ 382
BorgWarner Romeo Power LLC
Business Acquisition [Line Items]
Investment fair value										$ 30
Proceeds from divestiture of equity method investment										$ 29
Business combination fair value reduced by discount										5.00%
BorgWarner Romeo Power LLC \| Corporate Joint Venture
Business Acquisition [Line Items]
Equity securities without readily determinable fair value																																$ 10
Gain on sale of investments														$ 22
Eldor Corporation’s Electric Hybrid Systems Business
Business Acquisition [Line Items]
Estimated earn-out payments																				$ 78	€ 72
Contractual earn-out payments																				191	€ 175
Estimated fair values of assets acquired and liabilities assumed, assets												86
Business combination, recognized Identifiable assets acquired and liabilities assumed, intangible assets including goodwill																				25
Estimated fair values of assets acquired and liabilities assumed, liabilities																				8
Goodwill																				14
Hubei Surpass Sun Electric Charging Business Member
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired		100.00%																				100.00%
Contractual earn-out payments		$ 15																				¥ 103
Estimated fair values of assets acquired and liabilities assumed, assets		50
Business Combination, Consideration Transferred		42	¥ 288
Base purchase price		39	268
Payments to acquire businesses												31	¥ 217
Business combination, remaining consideration payable		8	¥ 51
Business combination, recognized Identifiable assets acquired and liabilities assumed, intangible assets including goodwill		5
Estimated fair values of assets acquired and liabilities assumed, liabilities		8																		$ 11
Estimated fair value of goodwill and intangibles		3
Goodwill		$ 2
Hubei Surpass Sun Electric Charging Business Member \| Other current liabilities
Business Acquisition [Line Items]
Business combination, consideration payable in next two years												3	20
Business combination, consideration payable in next three months												5	¥ 31
Drivetek AG
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired														100.00%									100.00%
Contractual earn-out payments														$ 10									SFr 10
Estimated fair values of assets acquired and liabilities assumed, assets				$ 49
Retention payment payable period				3 years
Payments to acquire businesses				$ 29	SFr 27
Business combination, recognized Identifiable assets acquired and liabilities assumed, intangible assets including goodwill				40
Estimated fair values of assets acquired and liabilities assumed, liabilities				10
Other non-current liability												12							SFr 10
Estimated fair value of goodwill and intangibles				18
Goodwill				$ 22
Rhombus Energy Solutions
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired						100.00%
Contractual earn-out payments						$ 30
Payments to acquire businesses						131
Estimated fair value of goodwill and intangibles												27
Goodwill														104
Rhombus Energy Solutions \| Employee Retention Payment
Business Acquisition [Line Items]
Contractual earn-out payments						$ 25
Retention payment payable period						3 years
Santoll Automotive Components
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired							100.00%																	100.00%
Estimated earn-out payments							$ 40					$ 24												¥ 250
Contractual earn-out payments							47																	¥ 300
Business Combination, Consideration Transferred							192
Base purchase price							152	¥ 1,000
Payments to acquire businesses														157
Estimated fair value of goodwill and intangibles							87
Goodwill														112
Post-closing adjustments through reduction of payment							$ 5
AKASOL
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired									93.00%							93.00%									100.00%				89.00%	89.00%
Business acquisition, preacquisition contingency, amount of settlement																													$ 788	€ 648
Business combination, consideration transferred, equity interests issued and issuable														33	€ 28
Noncontrolling interest																										$ 58	€ 51
Pro forma revenue														67
Romeo Power Inc.
Business Acquisition [Line Items]
Equity securities without readily determinable fair value																																	$ 50
Romeo Power Inc. \| Romeo Power Inc.
Business Acquisition [Line Items]
Equity securities, FV-NI														$ 31
Santroll Automotive Components
Business Acquisition [Line Items]
Estimated earn-out payments \| ¥																		¥ 200
Payments to acquire businesses \| ¥											¥ 1,000