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Long-Term Debt Second Lien Term Loan Facility (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2009
Debt Instrument [Line Items] |
2009 GM Settlement and Commercial Agreement, Early Payment Discount | 1.00%
2009 GM Settlement and Commercial Agreement, Second Lien Term Loan | $ 100.0

X
- Definition Represents the early payment discount provided to GM as part of the 2009 Settlement and Commercial Agreement between AAM and GM in which GM agreed to payment terms of Net 10 days in exchange for the aforementioned early payment discount. + References No definition available. + Details
Name: | axl_A2009GmSettlementAndCommercialAgreementEarlyPaymentDiscount
Namespace Prefix: | axl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the amount of the Second Lien Term Loan entered into with GM as part of the 2009 Settlement and Commercial Agreement between AAM and GM. + References No definition available. + Details
Name: | axl_A2009GmSettlementAndCommercialAgreementSecondLienTermLoan
Namespace Prefix: | axl_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration