XML 180 R36.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Goodwill and Other Intangibles (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of goodwill [Text Block] |
| 2018 |  | 2017
(millions of dollars) | Engine |  | Drivetrain |  | Engine |  | Drivetrain
Gross goodwill balance, January 1 | $ | 1,359.6 |  |  | $ | 1,024.2 |  |  | $ | 1,324.0 |  |  | $ | 880.2 |
Accumulated impairment losses, January 1 | (501.8 | ) |  | (0.2 | ) |  | (501.8 | ) |  | (0.2 | )
Net goodwill balance, January 1 | $ | 857.8 |  |  | $ | 1,024.0 |  |  | $ | 822.2 |  |  | $ | 880.0 |
Goodwill during the year: |  |  |  |  |  |  |  |  |  |  |
Acquisitions* | — |  |  | 1.7 |  |  | — |  |  | 125.8 |
Held for sale | — |  |  | — |  |  | (7.3 | ) |  | — |
Translation adjustment and other | (16.5 | ) |  | (13.6 | ) |  | 42.9 |  |  | 18.2 |
Ending balance, December 31 | $ | 841.3 |  |  | $ | 1,012.1 |  |  | $ | 857.8 |  |  | $ | 1,024.0 |
________________
* | Acquisitions relate to the Company's 2017 purchase of Sevcon.
Intangible assets disclosure [Text Block] |
| December 31, 2018 |  | December 31, 2017
(millions of dollars) | Gross carrying amount |  | Accumulated amortization |  | Net carrying amount |  | Gross carrying amount |  | Accumulated amortization |  | Net carrying amount
Amortized intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Patented and unpatented technology | $ | 151.9 |  |  | $ | 60.7 |  |  | $ | 91.2 |  |  | $ | 157.7 |  |  | $ | 52.9 |  |  | $ | 104.8 |
Customer relationships | 489.7 |  |  | 201.2 |  |  | 288.5 |  |  | 507.6 |  |  | 181.0 |  |  | 326.6 |
Miscellaneous | 8.3 |  |  | 3.9 |  |  | 4.4 |  |  | 8.7 |  |  | 3.2 |  |  | 5.5 |
Total amortized intangible assets | 649.9 |  |  | 265.8 |  |  | 384.1 |  |  | 674.0 |  |  | 237.1 |  |  | 436.9 |
Unamortized trade names | 55.4 |  |  | — |  |  | 55.4 |  |  | 55.8 |  |  | — |  |  | 55.8 |
Total other intangible assets | $ | 705.3 |  |  | $ | 265.8 |  |  | $ | 439.5 |  |  | $ | 729.8 |  |  | $ | 237.1 |  |  | $ | 492.7 |
Intangible assets gross roll forward [Text Block] |
(millions of dollars) | 2018 |  | 2017
Beginning balance, January 1 | $ | 729.8 |  |  | $ | 649.6 |
Acquisitions* | — |  |  | 72.6 |
Held for sale | — |  |  | (32.7 | )
Translation adjustment | (24.5 | ) |  | 40.3 |
Ending balance, December 31 | $ | 705.3 |  |  | $ | 729.8 |
________________
* | Acquisitions primarily relate to the Company's 2017 purchase of Sevcon.
Accumulated amortization net [Text Block] |
(millions of dollars) | 2018 |  | 2017
Beginning balance, January 1 | $ | 237.1 |  |  | $ | 186.1 |
Amortization | 40.1 |  |  | 40.0 |
Held for sale | — |  |  | (11.6 | )
Translation adjustment | (11.4 | ) |  | 22.6 |
Ending balance, December 31 | $ | 265.8 |  |  | $ | 237.1 |

X
- Definition Accumulated amortization net. + References No definition available. + Details
Name: | bwa_AccumulatedAmortizationNetTextBlock
Namespace Prefix: | bwa_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross Carrying Amounts of Intangible Asset Text Block. + References No definition available. + Details
Name: | bwa_GrossCarryingAmountsOfIntangibleAssetTextBlock
Namespace Prefix: | bwa_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Intangible Assets [Table Text Block]. + References No definition available. + Details
Name: | bwa_ScheduleOfIntangibleAssetsTableTextBlock
Namespace Prefix: | bwa_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration