XML 141 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Cover Page
 12 Months Ended
Dec. 31, 2019
shares
Document Information [Line Items]  
Document Type 40-F
Document Registration Statement false
Amendment Flag false
Document Period End Date Dec. 31, 2019
Document Fiscal Year Focus 2019
Document Fiscal Period Focus FY
Document Annual Report true
Entity Registrant Name MAGNA INTERNATIONAL INC
Entity Central Index Key 0000749098
Current Fiscal Year End Date --12-31
Entity Current Reporting Status Yes
Entity Emerging Growth Company false
Entity Address, State or Province ON
Entity Address, Country CA
Entity Interactive Data Current Yes
Entity Common Stock, Shares Outstanding 303,250,520
Title of 12(b) Security Common Shares
Security Exchange Name NYSE
No Trading Symbol Flag true