XML 84 R74.htm IDEA: XBRL DOCUMENT v3.21.1

FINANCIAL INSTRUMENTS - Cross-Currency Swap Contract (Details) € in Millions, ¥ in Millions, $ in Millions	Mar. 31, 2021 EUR (€)	Mar. 31, 2021 USD ($)	Mar. 31, 2021 JPY (¥)	Dec. 31, 2020 EUR (€)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 JPY (¥)
US dollar
Derivative [Line Items]
Derivative, notional amount		$ 10			$ 10
Cross-currency swaps | US dollar | Maturity Period March 2025
Derivative [Line Items]
Derivative, notional amount		500			500
Cross-currency swaps | US dollar | Maturity Period July 2027
Derivative [Line Items]
Derivative, notional amount		1,100			1,100
Cross-currency swaps | US dollar | Maturity Period Feb 2023
Derivative [Line Items]
Derivative, notional amount		$ 100			$ 100
Cross-currency swaps | Euro | Maturity Period March 2025
Derivative [Line Items]
Derivative, notional amount | €	€ 450			€ 450
Cross-currency swaps | Euro | Maturity Period July 2027
Derivative [Line Items]
Derivative, notional amount | €	€ 976			€ 976
Cross-currency swaps | Japanese yen | Maturity Period Feb 2023
Derivative [Line Items]
Derivative, notional amount | ¥			¥ 10,798			¥ 10,978

X

- 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

No definition available.

+ Details

Name:	us-gaap_DerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

+ Details

Name:	us-gaap_DerivativeNotionalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_CurrencyAxis=currency_USD
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CrossCurrencyInterestRateContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	bwa_ScheduleOfMaturityPeriodAxis=bwa_MaturityPeriodMarch2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	bwa_ScheduleOfMaturityPeriodAxis=bwa_MaturityPeriodJuly2027Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	bwa_ScheduleOfMaturityPeriodAxis=bwa_MaturityPeriodFeb2023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CurrencyAxis=currency_EUR
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CurrencyAxis=currency_JPY
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: