XML 13 R1.htm IDEA: XBRL DOCUMENT v2.3.0.15
Document and Entity Information (USD $)
9 Months Ended
Sep. 30, 2011
Oct. 26, 2011
Jun. 30, 2011
Entity Registrant NameAMERICAN AXLE & MANUFACTURING HOLDINGS INC  
Entity Central Index Key0001062231  
Current Fiscal Year End Date--12-31  
Entity Filer CategoryAccelerated Filer  
Document Fiscal Year Focus2011  
Document Fiscal Period FocusQ3  
Document Period End DateSep. 30, 2011
Amendment Flagfalse  
Document Type10-Q  
Entity Well-known Seasoned IssuerYes  
Entity Public Float  $ 785,543,909
Entity Common Stock, Shares Outstanding 75,308,888