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v3.19.3.a.u2

Leasing - Leases Not Yet Commenced (Details) $ in Millions | Dec. 31, 2019 USD ($)
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Leases not yet commenced [Line Items] |
Lessee, Operating Lease, Lease Not yet Commenced | $ 78.9

X
- Definition [Line Items] for Leases not yet commenced [Table] + References No definition available. + Details
Name: | axl_LeasesnotyetcommencedLineItems
Namespace Prefix: | axl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Future lease payments for an operating lease expected to commence in the future + References No definition available. + Details
Name: | axl_LesseeOperatingLeaseLeaseNotyetCommenced
Namespace Prefix: | axl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant