XML 67 R56.htm IDEA: XBRL DOCUMENT
v3.22.1

Goodwill - Summary of Changes in Carrying Amount of Goodwill (Details) $ in Millions | 3 Months Ended
--- | ---
Apr. 02, 2022 USD ($)
Goodwill [Roll Forward] |  |
Balance at January 1, 2022 | $ 1,657.9 |
Acquisition | 23.3 |
Foreign currency translation and other | (5.9) |
Balance at April 2, 2022 | 1,675.3 | [1]
Seating |  |
Goodwill [Roll Forward] |  |
Balance at January 1, 2022 | 1,249.3 |
Acquisition | 23.3 |
Foreign currency translation and other | (6.2) |
Balance at April 2, 2022 | 1,266.4 |
E-Systems |  |
Goodwill [Roll Forward] |  |
Balance at January 1, 2022 | 408.6 |
Acquisition | 0.0 |
Foreign currency translation and other | 0.3 |
Balance at April 2, 2022 | $ 408.9 |
[1] | Unaudited.

X
- Definition Goodwill, Foreign Currency Translation And Other Changes + References No definition available. + Details
Name: | lear_GoodwillForeignCurrencyTranslationAndOtherChanges
Namespace Prefix: | lear_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + 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 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_GoodwillRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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