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Stockholder Rights Plan (Details) (USD $) | 12 Months Ended
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Dec. 31, 2011 | Dec. 31, 2009
2009 Amendment to Stockholder Rights Plan, Percentage at which a Person Becomes an Acquiring Person, Former |  | 15.00%
2009 Amendment to Stockholder Rights Plan, Percentage at which a Person Becomes an Acquiring Person, Amended |  | 4.99%
2009 Amendment to Stockholder Rights Plan, Percentage of Beneficial Ownership, Exemption Percentage |  | 5.00%
2011 Amendment to Stockholder Rights Plan, Percentage at which a Person Becomes an Acquiring Person, Former | 4.99% |
Entity Listing, Par Value Per Share | $ 0.01 |
2011 Amendment to Stockholder Rights Plan, Percentage at which a Person Becomes an Acquiring Person, Amended | 15.00% |

X
- Definition Represents the beneficial ownership threshold percentage, at which a person would become an "Acquiring Person," as set forth in the October 2009 amendment to the Stockholder Rights Plan. + References No definition available. + Details
Name: | axl_A2009AmendmentToStockholderRightsPlanPercentageAtWhichPersonBecomesAcquiringPersonAmended
Namespace Prefix: | axl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the beneficial ownership threshold percentage, at which a person would become an "Acquiring Person," as set forth in the original Stockholder Rights Plan as established in September 2003. This percentage was amended through the October 2009 Amended Stockholder Rights Plan. + References No definition available. + Details
Name: | axl_A2009AmendmentToStockholderRightsPlanPercentageAtWhichPersonBecomesAcquiringPersonFormer
Namespace Prefix: | axl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage threshold of beneficial ownership of outstanding common stock that would exempt stockholders from the 4.99% threshold for becoming an "Acquiring Person" as set forth in the 2009 Amended Stockholder Rights Plan. + References No definition available. + Details
Name: | axl_A2009AmendmentToStockholderRightsPlanPercentageOfBeneficialOwnershipExemptionPercentage
Namespace Prefix: | axl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the beneficial ownership threshold percentage, at which a person would become an "Acquiring Person," as set forth in the February 2011 amendment to the Stockholder Rights Plan. + References No definition available. + Details
Name: | axl_A2011AmendmentToStockholderRightsPlanPercentageAtWhichPersonBecomesAcquiringPersonAmended
Namespace Prefix: | axl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the beneficial ownership threshold percentage, at which a person would become an "Acquiring Person," as set forth in the Amended Stockholder Rights Plan effective October 2009. This percentage was amended through the February 2011 Amended Stockholder Rights Plan. + References No definition available. + Details
Name: | axl_A2011AmendmentToStockholderRightsPlanPercentageAtWhichPersonBecomesAcquiringPersonFormer
Namespace Prefix: | axl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The par value per share of security quoted in same currency as Trading currency. Example: "0.01". + References No definition available. + Details
Name: | dei_EntityListingParValuePerShare
Namespace Prefix: | dei_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration