XML 56 R44.htm IDEA: XBRL DOCUMENT
v3.20.2

Impact of COVID-19 Pandemic - Narrative (Details) $ in Millions | 9 Months Ended
--- | ---
Oct. 03, 2020 USD ($)
Government Assistance, CARES Act |
Unusual Or Infrequent Item [Line Items] |
Proceeds from government assistance | $ 95

X
- Definition Proceeds from Government Assistance + References No definition available. + Details
Name: | lea_ProceedsfromGovernmentAssistance
Namespace Prefix: | lea_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Details
Name: | lea_GovernmentAssistanceAxis=lea_GovernmentAssistanceCARESActMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |