XML 65 R55.htm IDEA: XBRL DOCUMENT
v3.21.2

REVENUE FROM CONTRACTS WITH CUSTOMERS - Disaggregation of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 3,758 | $ 1,426 | $ 7,767 | $ 3,705
Air Management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,818 | 819 | 3,786 | 2,238
e-Propulsion & Drivetrain |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,294 | 607 | 2,713 | 1,467
Fuel Injection |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 424 | 0 | 850 | 0
Aftermarket |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 222 | 0 | 418 | 0
North America |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,002 | 357 | 2,139 | 1,167
North America | Air Management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 464 | 167 | 996 | 554
North America | e-Propulsion & Drivetrain |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 453 | 190 | 988 | 613
North America | Fuel Injection |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1 | 0 | 4 | 0
North America | Aftermarket |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 84 | 0 | 151 | 0
Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,403 | 428 | 2,885 | 1,330
Europe | Air Management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 785 | 338 | 1,618 | 1,049
Europe | e-Propulsion & Drivetrain |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 251 | 90 | 527 | 281
Europe | Fuel Injection |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 259 | 0 | 530 | 0
Europe | Aftermarket |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 108 | 0 | 210 | 0
Asia |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,279 | 630 | 2,603 | 1,163
Asia | Air Management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 531 | 306 | 1,103 | 597
Asia | e-Propulsion & Drivetrain |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 584 | 324 | 1,186 | 566
Asia | Fuel Injection |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 147 | 0 | 284 | 0
Asia | Aftermarket |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 17 | 0 | 30 | 0
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 74 | 11 | 140 | 45
Other | Air Management |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 38 | 8 | 69 | 38
Other | e-Propulsion & Drivetrain |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 6 | 3 | 12 | 7
Other | Fuel Injection |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 17 | 0 | 32 | 0
Other | Aftermarket |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 13 | $ 0 | $ 27 | $ 0

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_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bwa_AirManagementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bwa_EPropulsionDrivetrainMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bwa_FuelInjectionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bwa_AfterMarketMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=srt_NorthAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=srt_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=srt_AsiaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=bwa_OtherForeignMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |