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Document and Entity Information Document - shares
 9 Months Ended
Sep. 30, 2015
Oct. 28, 2015
Entity Registrant Name AMERICAN AXLE & MANUFACTURING HOLDINGS INC  
Entity Central Index Key 0001062231  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q3  
Document Period End Date Sep. 30, 2015  
Amendment Flag false  
Document Type 10-Q  
Entity Well-known Seasoned Issuer Yes  
Entity Common Stock, Shares Outstanding   76,046,761
Entity Current Reporting Status Yes  
Entity Voluntary Filers No