Document and Entity Information
Aug. 08, 2019
Cover [Abstract]  
Entity Registrant Name LEAR CORP
Amendment Flag false
Entity Central Index Key 0000842162
Document Type 8-K
Document Period End Date Aug. 08, 2019
Entity Incorporation, State or Country Code DE
Entity File Number 1-11311
Entity Tax Identification Number 13-3386776
Entity Address, Address Line One 21557 Telegraph Road
Entity Address, City or Town Southfield
Entity Address, State or Province MI
Entity Address, Postal Zip Code 48033
City Area Code (248)
Local Phone Number 447-1500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common stock, par value $0.01
Trading Symbol LEA
Security Exchange Name NYSE
Entity Emerging Growth Company false