XML 58 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Cover Page - shares
 3 Months Ended
Mar. 31, 2020
May 05, 2020
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2020  
Document Transition Report false  
Entity File Number 1-14303  
Entity Registrant Name AMERICAN AXLE & MANUFACTURING HOLDINGS, INC  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 38-3161171  
Entity Address, Address Line One One Dauch Drive  
Entity Address, City or Town Detroit  
Entity Address, State or Province MI  
Entity Address, Postal Zip Code 48211-1198  
City Area Code 313  
Local Phone Number 758-2000  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Title of 12(b) Security Common Stock, par value $0.01 per share  
Trading Symbol AXL  
Security Exchange Name NYSE  
Entity Common Stock, Shares Outstanding (in shares)   113,086,131
Entity Central Index Key 0001062231  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1  
Amendment Flag false