$AXL
AMERICAN AXLE & MANUFACTURING HOLDINGS INC Stock $axl

$axl Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000106223120000009 Filed on February 14, 2020

Income Statement

Concept	2019 Q4	2019	2018 Q4
Revenue	$1.430B	$6.531B	$1.694B
YoY Change	-15.59%	-10.17%	-2.3%
Cost Of Revenue	$1.247B	$5.628B	$1.469B
YoY Change	-15.13%	-8.18%	2.03%
Gross Profit	$183.4M	$902.6M	$225.3M
YoY Change	-18.6%	-20.85%	-23.45%
Gross Profit Margin	12.83%	13.82%	13.3%
Selling, General & Admin	$50.20M	$364.7M	$61.20M
YoY Change	-17.97%	-5.44%	-2.08%
% of Gross Profit	27.37%	40.41%	27.16%
Research & Development	$39.80M	$144.7M	$35.90M
YoY Change	10.86%	-1.03%	-6.75%
% of Gross Profit	21.7%	16.03%	15.93%
Depreciation & Amortization	$125.4M	$536.9M	$137.9M
YoY Change	-9.06%	1.53%	10.23%
% of Gross Profit	68.38%	59.48%	61.21%
Operating Expenses	$111.8M	$509.4M	$122.0M
YoY Change	-8.36%	-4.23%	-2.79%
Operating Profit	$71.60M	-$301.6M	$103.3M
YoY Change	-30.69%	-383.46%	-38.8%
Interest Expense	-$51.00M	$217.3M	-$53.40M
YoY Change	-4.49%	0.46%	-2.91%
% of Operating Profit	-71.23%		-51.69%
Other Income/Expense, Net	-$13.30M	-$231.4M	$2.400M
YoY Change	-654.17%	5.04%	300.0%
Pretax Income	-$465.9M	-$533.0M	-$450.1M
YoY Change	3.51%	367.95%	-581.91%
Income Tax	-$11.50M	-$48.90M	-$88.50M
% Of Pretax Income
Net Earnings	-$454.4M	-$484.5M	-$361.8M
YoY Change	25.59%	742.61%	-440.36%
Net Earnings / Revenue	-31.78%	-7.42%	-21.36%
Basic Earnings Per Share	-$4.04	-$4.31
Diluted Earnings Per Share	-$4.04	-$4.31	-$3.242M
COMMON SHARES
Basic Shares Outstanding	112.5M shares	112.3M shares	111.7M shares
Diluted Shares Outstanding		112.3M shares

Balance Sheet

Concept	2019 Q4	2019	2018 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$532.0M	$532.0M	$476.4M
YoY Change	11.67%	11.67%	26.43%
Cash & Equivalents	$532.0M	$532.0M	$476.4M
Short-Term Investments
Other Short-Term Assets	$136.8M	$136.8M	$127.2M
YoY Change	7.55%	7.55%	-9.34%
Inventory	$373.6M	$373.6M	$459.7M
Prepaid Expenses
Receivables	$815.4M	$815.4M	$966.5M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.858B	$1.858B	$2.030B
YoY Change	-8.47%	-8.47%	4.36%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.358B	$2.477B	$2.514B
YoY Change	-6.2%	-1.49%	4.64%
Goodwill	$699.1M		$1.142B
YoY Change	-38.77%		-30.98%
Intangibles	$864.5M		$1.111B
YoY Change	-22.19%		-8.36%
Long-Term Investments	$0.00		$0.00
YoY Change
Other Assets	$458.9M	$746.3M	$448.7M
YoY Change	2.27%	4.58%	18.45%
Total Long-Term Assets	$4.787B	$4.787B	$5.481B
YoY Change	-12.66%	-12.66%	-7.69%
TOTAL ASSETS
Total Short-Term Assets	$1.858B	$1.858B	$2.030B
Total Long-Term Assets	$4.787B	$4.787B	$5.481B
Total Assets	$6.645B	$6.645B	$7.511B
YoY Change	-11.53%	-11.53%	-4.72%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$623.5M	$623.5M	$840.2M
YoY Change	-25.79%	-25.79%	5.16%
Accrued Expenses	$352.0M	$352.0M	$350.7M
YoY Change	0.37%	0.37%	-7.07%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$28.70M	$32.00M	$121.6M
YoY Change	-76.4%	-73.68%	1961.02%
Total Short-Term Liabilities	$1.026B	$1.026B	$1.357B
YoY Change	-24.35%	-24.35%	11.54%
LONG-TERM LIABILITIES
Long-Term Debt	$3.616B	$3.616B	$3.687B
YoY Change	-1.91%	-1.91%	-7.12%
Other Long-Term Liabilities	$1.026B	$1.002B	$980.8M
YoY Change	4.56%	12.8%	-15.24%
Total Long-Term Liabilities	$1.026B	$4.618B	$980.8M
YoY Change	4.56%	0.94%	-15.24%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.026B	$1.026B	$1.357B
Total Long-Term Liabilities	$1.026B	$4.618B	$980.8M
Total Liabilities	$5.664B	$5.667B	$6.024B
YoY Change	-5.98%	-5.97%	-5.02%
SHAREHOLDERS EQUITY
Retained Earnings	$248.6M		$703.5M
YoY Change	-64.66%		-7.56%
Common Stock	$1.314B		$1.293B
YoY Change	1.65%		2.21%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$209.3M		$201.8M
YoY Change	3.72%		1.87%
Treasury Stock Shares	7.600M shares		7.200M shares
Shareholders Equity	$977.6M	$977.6M	$1.484B
YoY Change
Total Liabilities & Shareholders Equity	$6.645B	$6.645B	$7.511B
YoY Change	-11.53%	-11.53%	-4.72%

Cashflow Statement

Concept	2019 Q4	2019	2018 Q4
OPERATING ACTIVITIES
Net Income	-$454.4M	-$484.5M	-$361.8M
YoY Change	25.59%	742.61%	-440.36%
Depreciation, Depletion And Amortization	$125.4M	$536.9M	$137.9M
YoY Change	-9.06%	1.53%	10.23%
Cash From Operating Activities	$181.0M	$559.6M	$258.3M
YoY Change	-29.93%	-27.47%	14.14%
INVESTING ACTIVITIES
Capital Expenditures	-$98.90M	$433.3M	-$132.9M
YoY Change	-25.58%	-17.42%	-33.45%
Acquisitions		$9.400M
YoY Change		623.08%
Other Investing Activities	$127.8M	$127.6M	-$2.000M
YoY Change	-6490.0%		-350.0%
Cash From Investing Activities	$28.90M	-$306.6M	-$134.9M
YoY Change	-121.42%	-35.88%	-32.18%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$7.500M
YoY Change		102.7%
Debt Paid & Issued, Net		$544.4M
YoY Change		-20.08%
Cash From Financing Activities	-59.90M	-$200.0M	-85.00M
YoY Change	-29.53%	8.4%	-57.71%
NET CHANGE
Cash From Operating Activities	181.0M	$559.6M	258.3M
Cash From Investing Activities	28.90M	-$306.6M	-134.9M
Cash From Financing Activities	-59.90M	-$200.0M	-85.00M
Net Change In Cash	150.0M	$53.10M	38.40M
YoY Change	290.62%	-47.99%	-122.12%
FREE CASH FLOW
Cash From Operating Activities	$181.0M	$559.6M	$258.3M
Capital Expenditures	-$98.90M	$433.3M	-$132.9M
Free Cash Flow	$279.9M	$126.3M	$391.2M
YoY Change	-28.45%	-48.82%	-8.17%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0001062231
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	3400000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-9800000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	3000000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-200000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	500000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	6100000	USD
CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-31
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity File Number EntityFileNumber	1-14303
CY2019	dei	Entity Registrant Name EntityRegistrantName	AMERICAN AXLE & MANUFACTURING HOLDINGS, INC
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	38-3161171
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	One Dauch Drive,
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Detroit,
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	MI
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	48211-1198
CY2019	dei	City Area Code CityAreaCode	313
CY2019	dei	Local Phone Number LocalPhoneNumber	758-2000
CY2019	dei	Security12b Title Security12bTitle	Common Stock, Par Value $0.01 Per Share
CY2019	dei	Trading Symbol TradingSymbol	AXL
CY2019	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Shell Company EntityShellCompany	false
CY2019Q2	dei	Entity Public Float EntityPublicFloat	1421600000	USD
CY2020Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	112544942	shares
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	6530900000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	7270400000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	6266000000.0	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	5628300000	USD
CY2018	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	6130000000.0	USD
CY2017	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	5146900000	USD
CY2019	us-gaap	Gross Profit GrossProfit	902600000	USD
CY2018	us-gaap	Gross Profit GrossProfit	1140400000	USD
CY2017	us-gaap	Gross Profit GrossProfit	1119100000	USD
CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	364700000	USD
CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	385700000	USD
CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	390100000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	95400000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	99400000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	75300000	USD
CY2019	axl	Impairmentcharges Impairmentcharges	665000000.0	USD
CY2018	axl	Impairmentcharges Impairmentcharges	485500000	USD
CY2017	axl	Impairmentcharges Impairmentcharges	0	USD
CY2019	axl	Restructuringandacquisitionrelatedcosts Restructuringandacquisitionrelatedcosts	57800000	USD
CY2018	axl	Restructuringandacquisitionrelatedcosts Restructuringandacquisitionrelatedcosts	78900000	USD
CY2017	axl	Restructuringandacquisitionrelatedcosts Restructuringandacquisitionrelatedcosts	110700000	USD
CY2019	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-21300000	USD
CY2018	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	15500000	USD
CY2017	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	-301600000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	106400000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	543000000.0	USD
CY2019	us-gaap	Interest Expense InterestExpense	217300000	USD
CY2018	us-gaap	Interest Expense InterestExpense	216300000	USD
CY2017	us-gaap	Interest Expense InterestExpense	195600000	USD
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	5800000	USD
CY2018	us-gaap	Investment Income Interest InvestmentIncomeInterest	2000000.0	USD
CY2017	us-gaap	Investment Income Interest InvestmentIncomeInterest	2900000	USD
CY2019	axl	Other Expense Debt Refinancing And Redemption Costs OtherExpenseDebtRefinancingAndRedemptionCosts	8400000	USD
CY2018	axl	Other Expense Debt Refinancing And Redemption Costs OtherExpenseDebtRefinancingAndRedemptionCosts	19400000	USD
CY2017	axl	Other Expense Debt Refinancing And Redemption Costs OtherExpenseDebtRefinancingAndRedemptionCosts	3500000	USD
CY2019	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	10800000	USD
CY2018	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	0	USD
CY2017	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	0	USD
CY2019	axl	Gainlossonsettlementofcapitallease Gainlossonsettlementofcapitallease	0	USD
CY2018	axl	Gainlossonsettlementofcapitallease Gainlossonsettlementofcapitallease	15600000	USD
CY2017	axl	Gainlossonsettlementofcapitallease Gainlossonsettlementofcapitallease	0	USD
CY2019	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-9800000	USD
CY2018	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	0	USD
CY2017	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	0	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-12500000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2200000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-6800000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-533000000.0	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-113900000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	340000000.0	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-48900000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-57100000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2500000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	-484100000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	-56800000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	337500000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	400000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	700000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	400000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-484500000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-57500000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	337100000	USD
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-4.31
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CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.22
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-4.31
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CY2019	us-gaap	Profit Loss ProfitLoss	-484100000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	-56800000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	337500000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	18300000	USD
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CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-4600000	USD
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CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	88300000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-14600000	USD
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CY2017	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	17100000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-37500000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-18900000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	96900000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-521600000	USD
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CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	434400000	USD
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CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	400000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-522000000.0	USD
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CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	434000000.0	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	532000000.0	USD
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CY2019Q4	us-gaap	Inventory Net InventoryNet	373600000	USD
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CY2019Q4	us-gaap	Assets Current AssetsCurrent	1857800000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	2029800000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2358400000	USD
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CY2019Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	64100000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	45500000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	699100000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	1141800000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	864500000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1111100000	USD
CY2019Q4	axl	Gm Postretirement Cost Sharing Asset Noncurrent GmPostretirementCostSharingAssetNoncurrent	223300000	USD
CY2018Q4	axl	Gm Postretirement Cost Sharing Asset Noncurrent GmPostretirementCostSharingAssetNoncurrent	219400000	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	577400000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	448700000	USD
CY2019Q4	us-gaap	Assets Assets	6644600000	USD
CY2018Q4	us-gaap	Assets Assets	7510700000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	28700000	USD
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	121600000	USD
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	623500000	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	840200000	USD
CY2019Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	154400000	USD
CY2018Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	179000000.0	USD
CY2019Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	18900000	USD
CY2018Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	44300000	USD
CY2019Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	200900000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	171700000	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1026400000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1356800000	USD
CY2019Q4	axl	Long Term Debtnetof Issuance Costs LongTermDebtnetofIssuanceCosts	3612300000	USD
CY2018Q4	axl	Long Term Debtnetof Issuance Costs LongTermDebtnetofIssuanceCosts	3686800000	USD
CY2019Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	83700000	USD
CY2018Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	77600000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	19600000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	92600000	USD
CY2019Q4	axl	Postretirement Benefits And Other Longterm Liabilities PostretirementBenefitsAndOtherLongtermLiabilities	922200000	USD
CY2018Q4	axl	Postretirement Benefits And Other Longterm Liabilities PostretirementBenefitsAndOtherLongtermLiabilities	810600000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	5664200000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	6024400000	USD
CY2019Q4	axl	Series Junior Participating Preferred Stock SeriesJuniorParticipatingPreferredStock	0	USD
CY2018Q4	axl	Series Junior Participating Preferred Stock SeriesJuniorParticipatingPreferredStock	0	USD
CY2019Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	USD
CY2018Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	USD
CY2019Q4	axl	Series Common Stock SeriesCommonStock	0	USD
CY2018Q4	axl	Series Common Stock SeriesCommonStock	0	USD
CY2019Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	1200000	USD
CY2018Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	1200000	USD
CY2019Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1313900000	USD
CY2018Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1292600000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	248600000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	703500000	USD
CY2019Q4	us-gaap	Treasury Stock Value TreasuryStockValue	209300000	USD
CY2018Q4	us-gaap	Treasury Stock Value TreasuryStockValue	201800000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	259900000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	213900000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-101200000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-96600000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-15700000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-1100000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	977600000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	1483900000	USD
CY2019Q4	us-gaap	Minority Interest MinorityInterest	2800000	USD
CY2018Q4	us-gaap	Minority Interest MinorityInterest	2400000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	980400000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1486300000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6644600000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7510700000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	-484100000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	-56800000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	337500000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	536900000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	528800000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	428500000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	667900000	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	515500000	USD
CY2017	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1500000	USD
CY2019	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	94600000	USD
CY2018	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	35000000.0	USD
CY2017	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	154200000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	22400000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	27900000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	43400000	USD
CY2019	axl	Pensions And Other Postretirement Benefits Net Of Contributions PensionsAndOtherPostretirementBenefitsNetOfContributions	-8800000	USD
CY2018	axl	Pensions And Other Postretirement Benefits Net Of Contributions PensionsAndOtherPostretirementBenefitsNetOfContributions	-9900000	USD
CY2017	axl	Pensions And Other Postretirement Benefits Net Of Contributions PensionsAndOtherPostretirementBenefitsNetOfContributions	-6000000.0	USD
CY2019	axl	Gain Losson Dispositionor Acquisitionof Business GainLossonDispositionorAcquisitionofBusiness	-10500000	USD
CY2018	axl	Gain Losson Dispositionor Acquisitionof Business GainLossonDispositionorAcquisitionofBusiness	15500000	USD
CY2017	axl	Gain Losson Dispositionor Acquisitionof Business GainLossonDispositionorAcquisitionofBusiness	0	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-4100000	USD
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	3200000	USD
CY2017	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-1600000	USD
CY2019	axl	Gain Losson Extinguishmentof Debtand Capital Lease Obligation GainLossonExtinguishmentofDebtandCapitalLeaseObligation	-8400000	USD
CY2018	axl	Gain Losson Extinguishmentof Debtand Capital Lease Obligation GainLossonExtinguishmentofDebtandCapitalLeaseObligation	-4000000.0	USD
CY2017	axl	Gain Losson Extinguishmentof Debtand Capital Lease Obligation GainLossonExtinguishmentofDebtandCapitalLeaseObligation	-3500000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-63900000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-56100000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	44900000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-56100000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	83100000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-2500000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-97700000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	7500000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-12600000	USD
CY2019	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-17900000	USD
CY2018	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	10700000	USD
CY2017	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	14800000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	107500000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	175500000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-31400000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	559600000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	771500000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	647000000.0	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	433300000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	524700000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	477700000	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	5000000.0	USD
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	4900000	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2500000	USD
CY2019	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	900000	USD
CY2018	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	500000	USD
CY2017	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	13300000	USD
CY2019	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	141200000	USD
CY2018	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	47100000	USD
CY2017	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	5900000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	9400000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	1300000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	895500000	USD
CY2019	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	9200000	USD
CY2018	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	3700000	USD
CY2017	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	0	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-306600000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-478200000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1378100000	USD
CY2019	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	0	USD
CY2018	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	0	USD
CY2017	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	4400000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	356300000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	509600000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2862700000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	545500000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	681200000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2154400000	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	3300000	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	6900000	USD
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	91000000.0	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	2300000	USD
CY2017	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	900000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	7500000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3700000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	7000000.0	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-200000000.0	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-184500000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	615600000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	100000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-6700000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	11100000	USD
CY2019	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	53100000	USD
CY2018	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	102100000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-104400000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	478900000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	376800000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	481200000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	532000000.0	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	478900000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	376800000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	205400000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	199700000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	182700000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	57100000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	46000000.0	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	31900000	USD
CY2019	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	0	USD
CY2018	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	0	USD
CY2017	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	576700000	USD
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	76500000	shares
CY2017	us-gaap	Stock Issued During Period Shares Acquisitions StockIssuedDuringPeriodSharesAcquisitions	34300000	shares
CY2017	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	800000	shares
CY2017	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	300000	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	111300000	shares
CY2018	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	700000	shares
CY2018	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	300000	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	111700000	shares
CY2019	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	1300000	shares
CY2019	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	400000	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	112600000	shares
CY2019Q4	dei	Entity Number Of Employees EntityNumberOfEmployees	20000	Employees
CY2019Q4	axl	Numberof Facilities NumberofFacilities	80	Facilities
CY2019Q4	us-gaap	Number Of Countries In Which Entity Operates NumberOfCountriesInWhichEntityOperates	17	Countries
CY2019Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	20500000	USD
CY2018Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	14400000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	373600000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	459700000	USD
CY2019	us-gaap	Revenue Performance Obligation Description Of Payment Terms RevenuePerformanceObligationDescriptionOfPaymentTerms	50 days
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	8000000.0	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	8400000	USD
CY2019	us-gaap	Property Plant And Equipment Preproduction Design And Development Costs PropertyPlantAndEquipmentPreproductionDesignAndDevelopmentCosts	<div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;font-weight:bold;">CUSTOMER TOOLING AND PRE-PRODUCTION COSTS RELATED TO LONG-TERM SUPPLY AGREEMENTS </span><span style="font-family:Arial;font-size:10pt;">Engineering, R&D, and other pre-production design and development costs for products sold on long-term supply arrangements are expensed as incurred unless we have a contractual guarantee for reimbursement from the customer. Reimbursements received for pre-production costs relating to awarded programs are deferred and recognized into revenue over the life of the associated program. Reimbursements received for pre-production costs relating to future programs that have not been awarded, or amounts received for programs that become discontinued prior to production, are recorded as a reduction of expense. </span></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><br/></span></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;">Costs for tooling used to make products sold on long-term supply arrangements for which we have either title to the assets or the noncancelable right to use the assets during the term of the supply arrangement are capitalized in property, plant and equipment. Reimbursable costs for tooling assets for which our customer has title and we do not have a noncancelable right to use during the term of the supply arrangement, are recorded in accounts receivable in our consolidated balance sheets. The reimbursement for the customer-owned tooling is recorded as a reduction of accounts receivable upon collection. Capitalized items and customer receipts in excess of tooling costs specifically related to a supply arrangement are amortized over the shorter of the term of the arrangement or over the estimated useful lives of the related assets. </span></div>
CY2019Q4	us-gaap	Inventory Work In Process And Raw Materials InventoryWorkInProcessAndRawMaterials	310400000	USD
CY2018Q4	us-gaap	Inventory Work In Process And Raw Materials InventoryWorkInProcessAndRawMaterials	375100000	USD
CY2019Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	83700000	USD
CY2018Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	99000000.0	USD
CY2019Q4	us-gaap	Inventory Gross InventoryGross	394100000	USD
CY2018Q4	us-gaap	Inventory Gross InventoryGross	474100000	USD
CY2019	axl	Maintenance Repairand Operations Mro Materials Amortization MaintenanceRepairandOperationsMROMaterialsAmortization	67700000	USD
CY2018	axl	Maintenance Repairand Operations Mro Materials Amortization MaintenanceRepairandOperationsMROMaterialsAmortization	62400000	USD
CY2017	axl	Maintenance Repairand Operations Mro Materials Amortization MaintenanceRepairandOperationsMROMaterialsAmortization	51600000	USD
CY2019	us-gaap	Depreciation Depreciation	373800000	USD
CY2018	us-gaap	Depreciation Depreciation	367000000.0	USD
CY2017	us-gaap	Depreciation Depreciation	301600000	USD
CY2019Q4	us-gaap	Land Land	45100000	USD
CY2018Q4	us-gaap	Land Land	53600000	USD
CY2019Q4	us-gaap	Land Improvements LandImprovements	24400000	USD
CY2018Q4	us-gaap	Land Improvements LandImprovements	22000000.0	USD
CY2019Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	512700000	USD
CY2018Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	501500000	USD
CY2019Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	3645600000	USD
CY2018Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	3342800000	USD
CY2019Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	219500000	USD
CY2018Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	511100000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	4447300000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	4431000000.0	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	2088900000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1916600000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2358400000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2514400000	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	46000000.0	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	84100000	USD
CY2017	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	103000000.0	USD
CY2019Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	63300000	USD
CY2018Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	80700000	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	6500000	USD
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	200000	USD
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	7300000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	144700000	USD
CY2018	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	146200000	USD
CY2017	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	161500000	USD
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;font-weight:bold;">USE OF ESTIMATES </span><span style="font-family:Arial;font-size:10pt;">In order to prepare consolidated financial statements in conformity with accounting principles generally accepted in the United States of America (GAAP), we are required to make estimates and assumptions that affect the reported amounts and disclosures in our consolidated financial statements. Actual results could differ from those estimates.</span></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:Arial;font-size:10pt;"><br/></span></div>
CY2019	axl	Divestitureof Business Sale Price DivestitureofBusinessSalePrice	245000000.0	USD
CY2019	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	141200000	USD
CY2019Q3	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	225000000.0	USD
CY2019	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-21300000	USD
CY2019Q4	us-gaap	Disposal Group Including Discontinued Operation Accounts Notes And Loans Receivable Net DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet	84900000	USD
CY2019Q4	us-gaap	Disposal Group Including Discontinued Operation Inventory1 DisposalGroupIncludingDiscontinuedOperationInventory1	32600000	USD
CY2019Q4	us-gaap	Disposal Group Including Discontinued Operation Prepaid And Other Assets DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets	2100000	USD
CY2019Q4	us-gaap	Disposal Group Including Discontinued Operation Property Plant And Equipment DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment	191800000	USD
CY2019Q4	us-gaap	Disposal Group Including Discontinued Operation Intangible Assets DisposalGroupIncludingDiscontinuedOperationIntangibleAssets	158200000	USD
CY2019Q4	axl	Disposal Group Including Discontinued Operation Other Assetsand Deferred Charges DisposalGroupIncludingDiscontinuedOperationOtherAssetsandDeferredCharges	81700000	USD
CY2019Q3	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	225000000.0	USD
CY2019Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	326300000	USD
CY2019Q4	us-gaap	Disposal Group Including Discontinued Operation Accounts Payable DisposalGroupIncludingDiscontinuedOperationAccountsPayable	71700000	USD
CY2019Q4	axl	Disposal Group Including Discontinued Operation Accrued Compensationand Benefits DisposalGroupIncludingDiscontinuedOperationAccruedCompensationandBenefits	6900000	USD
CY2019Q4	axl	Disposal Group Including Discontinued Operation Accrued Expensesand Other DisposalGroupIncludingDiscontinuedOperationAccruedExpensesandOther	4500000	USD
CY2019Q4	axl	Disposal Group Including Discontinued Operation Postretirement Benefitsand Other Long Term Liabilities DisposalGroupIncludingDiscontinuedOperationPostretirementBenefitsandOtherLongTermLiabilities	20100000	USD
CY2019Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	103200000	USD
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1000000.0	USD
CY2019	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	300000	USD
CY2019	axl	Totalfinanceleasecost Totalfinanceleasecost	1300000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	28900000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	5900000	USD
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	7200000	USD
CY2019	axl	Totalleasecost Totalleasecost	43300000	USD
CY2019	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	300000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	29000000.0	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1000000.0	USD
CY2019Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P2Y9M18D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y2M12D
CY2019Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.051
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.061
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	7300000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	118500000	USD
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	7300000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	118500000	USD
CY2019Q4	axl	Lessee Operating Lease Lease Notyet Commenced LesseeOperatingLeaseLeaseNotyetCommenced	78900000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	32600000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	24300000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	16200000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	12600000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	7500000	USD
CY2016Q4	us-gaap	Restructuring Reserve RestructuringReserve	9800000	USD
CY2017	us-gaap	Restructuring Charges RestructuringCharges	17400000	USD
CY2017	us-gaap	Payments For Restructuring PaymentsForRestructuring	25400000	USD
CY2017	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	1500000	USD
CY2017Q4	us-gaap	Restructuring Reserve RestructuringReserve	300000	USD
CY2018	us-gaap	Restructuring Charges RestructuringCharges	44200000	USD
CY2018	us-gaap	Payments For Restructuring PaymentsForRestructuring	10500000	USD
CY2018	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	30000000.0	USD
CY2018Q4	us-gaap	Restructuring Reserve RestructuringReserve	4000000.0	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	39800000	USD
CY2019	us-gaap	Payments For Restructuring PaymentsForRestructuring	31600000	USD
CY2019	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	0	USD
CY2019Q4	us-gaap	Restructuring Reserve RestructuringReserve	12200000	USD
CY2019	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1800000	USD
CY2019	us-gaap	Severance Costs1 SeveranceCosts1	0	USD
CY2019	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	16200000	USD
CY2019	axl	Totalacquisitionrelatedcharges Totalacquisitionrelatedcharges	18000000.0	USD
CY2018	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1200000	USD
CY2018	us-gaap	Severance Costs1 SeveranceCosts1	500000	USD
CY2018	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	33000000.0	USD
CY2018	axl	Totalacquisitionrelatedcharges Totalacquisitionrelatedcharges	34700000	USD
CY2017	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	40700000	USD
CY2017	us-gaap	Severance Costs1 SeveranceCosts1	7200000	USD
CY2017	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	45400000	USD
CY2017	axl	Totalacquisitionrelatedcharges Totalacquisitionrelatedcharges	93300000	USD
CY2019	axl	Restructuringandacquisitionrelatedcosts Restructuringandacquisitionrelatedcosts	57800000	USD
CY2018	axl	Restructuringandacquisitionrelatedcosts Restructuringandacquisitionrelatedcosts	78900000	USD
CY2017	axl	Restructuringandacquisitionrelatedcosts Restructuringandacquisitionrelatedcosts	110700000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	1654300000	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	485500000	USD
CY2018	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	15100000	USD
CY2018	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	-14100000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	1141800000	USD
CY2019	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	0	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	440000000.0	USD
CY2019	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	-2700000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	699100000	USD
CY2019Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	925500000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	1111000000.0	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	-246500000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	864500000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	1293400000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	-182300000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1111100000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	95400000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	99400000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	75300000	USD
CY2019Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	3692200000	USD
CY2018Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	3875500000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	28700000	USD
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	121600000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	3663500000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	3753900000	USD
CY2019Q4	axl	Long Term Debtnetof Issuance Costs LongTermDebtnetofIssuanceCosts	3612300000	USD
CY2018Q4	axl	Long Term Debtnetof Issuance Costs LongTermDebtnetofIssuanceCosts	3686800000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	53200000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	77100000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	471300000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	29800000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	1460800000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	1600000000.0	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	3692200000	USD
CY2019	us-gaap	Interest Expense InterestExpense	217300000	USD
CY2018	us-gaap	Interest Expense InterestExpense	216300000	USD
CY2017	us-gaap	Interest Expense InterestExpense	195600000	USD
CY2019	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	15500000	USD
CY2018	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	28400000	USD
CY2017	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	18300000	USD
CY2019Q4	us-gaap	Longterm Debt Weighted Average Interest Rate LongtermDebtWeightedAverageInterestRate	0.058
CY2018Q4	us-gaap	Longterm Debt Weighted Average Interest Rate LongtermDebtWeightedAverageInterestRate	0.059
CY2017Q4	us-gaap	Longterm Debt Weighted Average Interest Rate LongtermDebtWeightedAverageInterestRate	0.057
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	5800000	USD
CY2018	us-gaap	Investment Income Interest InvestmentIncomeInterest	2000000.0	USD
CY2017	us-gaap	Investment Income Interest InvestmentIncomeInterest	2900000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	5628300000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-12500000	USD
CY2019	us-gaap	Interest Expense InterestExpense	217300000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	5628300000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-12500000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	5628300000	USD
CY2019Q4	axl	Total Gm Postretirement Cost Sharing Asset TotalGmPostretirementCostSharingAsset	236000000.0	USD
CY2018Q4	axl	Total Gm Postretirement Cost Sharing Asset TotalGmPostretirementCostSharingAsset	232900000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	737800000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	732500000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	608000000.0	USD
CY2019Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Projected Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	608000000.0	USD
CY2019Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	483200000	USD
CY2019Q4	axl	Total Gm Postretirement Cost Sharing Asset TotalGmPostretirementCostSharingAsset	236000000.0	USD
CY2018Q4	axl	Total Gm Postretirement Cost Sharing Asset TotalGmPostretirementCostSharingAsset	232900000	USD
CY2019Q4	axl	Gm Postretirement Cost Sharing Asset Current GmPostretirementCostSharingAssetCurrent	12700000	USD
CY2019Q4	axl	Gm Postretirement Cost Sharing Asset Noncurrent GmPostretirementCostSharingAssetNoncurrent	223300000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear	0.0650
CY2019	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	1400000	USD
CY2019	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	33800000	USD
CY2019	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	1100000	USD
CY2019	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	28400000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	57900000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	56000000.0	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	55000000.0	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	55000000.0	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	56400000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	288400000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	636600000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	625800000	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	5300000	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	10900000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	6100000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-889000000.0	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-549400000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-37100000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	356000000.0	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	435500000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	377100000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-533000000.0	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-113900000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	340000000.0	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-11900000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-81500000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	87100000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	100000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3200000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-700000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	49300000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	46500000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	62400000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	37500000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-31800000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	148800000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-73500000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-5100000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-122300000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1500000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-6700000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-17000000.0	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-11400000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-13500000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-7000000.0	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-86400000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-25300000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-146300000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-48900000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-57100000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2500000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-111900000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-23900000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	119000000.0	USD
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-40200000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-39700000	USD
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-96300000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	200000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-8300000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-107600000	USD
CY2019	axl	Effective Income Tax Rate Reconciliation Transition Tax EffectiveIncomeTaxRateReconciliationTransitionTax	-7500000	USD
CY2018	axl	Effective Income Tax Rate Reconciliation Transition Tax EffectiveIncomeTaxRateReconciliationTransitionTax	5800000	USD
CY2017	axl	Effective Income Tax Rate Reconciliation Transition Tax EffectiveIncomeTaxRateReconciliationTransitionTax	108300000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-20000000.0	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-12800000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-6300000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	9600000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	20100000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	8800000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	21600000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	12600000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	12900000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-6100000	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	92400000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	0	USD
CY2019	axl	Effective Income Tax Rate Reconciliation Withholding Taxes Amount EffectiveIncomeTaxRateReconciliationWithholdingTaxesAmount	4000000.0	USD
CY2018	axl	Effective Income Tax Rate Reconciliation Withholding Taxes Amount EffectiveIncomeTaxRateReconciliationWithholdingTaxesAmount	6600000	USD
CY2017	axl	Effective Income Tax Rate Reconciliation Withholding Taxes Amount EffectiveIncomeTaxRateReconciliationWithholdingTaxesAmount	4700000	USD
CY2019	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	-2800000	USD
CY2018	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	4100000	USD
CY2017	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	-18600000	USD
CY2019	axl	Effective Income Tax Rate Reconciliation Global Intangible Low Tax Income Amount EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxIncomeAmount	31100000	USD
CY2018	axl	Effective Income Tax Rate Reconciliation Global Intangible Low Tax Income Amount EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxIncomeAmount	8000000.0	USD
CY2017	axl	Effective Income Tax Rate Reconciliation Global Intangible Low Tax Income Amount EffectiveIncomeTaxRateReconciliationGlobalIntangibleLowTaxIncomeAmount	0	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	5900000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-9800000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	13500000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-3100000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1500000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	700000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-48900000	USD
CY2019Q4	axl	Deferred Tax Assets Operating Loss And Tax Credit Carryforwards Not Subject To Expiration DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwardsNotSubjectToExpiration	101500000	USD
CY2019	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	25400000	USD
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	16000000.0	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-57100000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2500000	USD
CY2018	axl	Incometaxbenefitofgoodwillimpairmentloss Incometaxbenefitofgoodwillimpairmentloss	85000000	USD
CY2018	axl	Effective Income Tax Rate Reconciliation Transition Tax EffectiveIncomeTaxRateReconciliationTransitionTax	5800000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-8300000	USD
CY2018	axl	Netadjustmentforprovisionalamountsrecordedunder Tax Cutsand Jobs Act NetadjustmentforprovisionalamountsrecordedunderTaxCutsandJobsAct	2500000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	44500000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	47100000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	44500000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	47100000	USD
CY2019Q4	axl	Deferred Tax Assets Operating Loss And Tax Credit Carryforwards DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards	258800000	USD
CY2018Q4	axl	Deferred Tax Assets Operating Loss And Tax Credit Carryforwards DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards	220300000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	28200000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	196000000.0	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	183300000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Acquisition UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition	8300000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	2500000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1500000	USD
CY2017	axl	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseIncreasesResultingFromPriorPeriodTaxPositions	3100000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	400000	USD
CY2017	axl	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	10500000	USD
CY2017	axl	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2017	axl	Unrecognized Tax Benefits Income Tax Penaltiesand Interest Expense Increase Resultingfrom Acquisition UnrecognizedTaxBenefitsIncomeTaxPenaltiesandInterestExpenseIncreaseResultingfromAcquisition	1900000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1200000	USD
CY2017	axl	Tax Adjustments Settlements And Unusual Provisions Interest And Penalties TaxAdjustmentsSettlementsAndUnusualProvisionsInterestAndPenalties	-100000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation	800000	USD
CY2017	axl	Unrecognizedincometaxbenefitinterestandpenaltiesdecreasefromforeigncurrencyremeasurementadjustment Unrecognizedincometaxbenefitinterestandpenaltiesdecreasefromforeigncurrencyremeasurementadjustment	100000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	47700000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	7500000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	5600000	USD
CY2018	axl	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseIncreasesResultingFromPriorPeriodTaxPositions	3500000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	16900000	USD
CY2018	axl	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseDecreasesResultingFromPriorPeriodTaxPositions	2500000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	6000000.0	USD
CY2018	axl	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	3700000	USD
CY2018	axl	Tax Adjustments Settlements And Unusual Provisions Interest And Penalties TaxAdjustmentsSettlementsAndUnusualProvisionsInterestAndPenalties	-1600000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	38700000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	6900000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	200000	USD
CY2019	axl	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseIncreasesResultingFromPriorPeriodTaxPositions	4500000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	3100000	USD
CY2019	axl	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseDecreasesResultingFromPriorPeriodTaxPositions	100000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	4400000	USD
CY2019	axl	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpenseIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation	900000	USD
CY2019	axl	Unrecognizedincometaxbenefitinterestandpenaltiesdecreasefromforeigncurrencyremeasurementadjustment Unrecognizedincometaxbenefitinterestandpenaltiesdecreasefromforeigncurrencyremeasurementadjustment	200000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	41100000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	11500000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	41100000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	38700000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	4400000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	1000000.0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	3100000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	11500000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	6900000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	49400000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-484500000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-57500000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	337100000	USD
CY2019	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	0	USD
CY2018	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	0	USD
CY2017	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	7500000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-484500000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-57500000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	329600000	USD
CY2019	axl	Weightedaveragecommonsharesandparticipatingsecuritiesoutstandingbasic Weightedaveragecommonsharesandparticipatingsecuritiesoutstandingbasic	115600000	shares
CY2018	axl	Weightedaveragecommonsharesandparticipatingsecuritiesoutstandingbasic Weightedaveragecommonsharesandparticipatingsecuritiesoutstandingbasic	115000000.0	shares
CY2017	axl	Weightedaveragecommonsharesandparticipatingsecuritiesoutstandingbasic Weightedaveragecommonsharesandparticipatingsecuritiesoutstandingbasic	104600000	shares
CY2019	axl	Participatingsecuritiesbasic Participatingsecuritiesbasic	-3300000	shares
CY2018	axl	Participatingsecuritiesbasic Participatingsecuritiesbasic	-3400000	shares
CY2017	axl	Participatingsecuritiesbasic Participatingsecuritiesbasic	-2300000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	112300000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	111600000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	102300000	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	500000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	112300000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	111600000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	102800000	shares
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-4.31
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.51
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.22
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-4.31
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.51
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.21
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	400000	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	800000	shares
CY2019Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	131900000	USD
CY2018Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	287200000	USD
CY2018Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	57700000	USD
CY2017Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	49500000	USD
CY2019	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	18500000	USD
CY2018	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	19100000	USD
CY2019	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	10400000	USD
CY2018	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	10700000	USD
CY2019	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	-3900000	USD
CY2018	us-gaap	Product Warranty Accrual Preexisting Increase Decrease ProductWarrantyAccrualPreexistingIncreaseDecrease	400000	USD
CY2019	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	100000	USD
CY2018	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	-600000	USD
CY2019Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	62000000.0	USD
CY2018Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	57700000	USD
CY2019	us-gaap	Revenue Performance Obligation Description Of Payment Terms RevenuePerformanceObligationDescriptionOfPaymentTerms	50 days
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	6530900000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	7270400000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	6266000000.0	USD
CY2018Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	966500000	USD
CY2018Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	44300000	USD
CY2018Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	77600000	USD
CY2019Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	815400000	USD
CY2019Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	18900000	USD
CY2019Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	83700000	USD
CY2019	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-151100000	USD
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	48600000	USD
CY2018	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	47900000	USD
CY2017Q2	us-gaap	Business Acquisition Share Price BusinessAcquisitionSharePrice	13.50
CY2017Q2	axl	Aam Common Stock Issuedper Mpg Common Stockas Partofthe Merger Consideration AAMCommonStockIssuedperMPGCommonStockasPartoftheMergerConsideration	0.5	shares
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	340000000.0	USD
CY2017	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	3.51
CY2016	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.95
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Accelerated Compensation Cost ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost	20000000	USD
CY2019	axl	Sales Revenue Goods Net Inclusiveof Intersegment Sales SalesRevenueGoodsNetInclusiveofIntersegmentSales	7064600000	USD
CY2019	axl	Sales Revenue Goods Net Intersegment Sales SalesRevenueGoodsNetIntersegmentSales	533700000	USD
CY2019	us-gaap	Revenues Revenues	6530900000	USD
CY2019	axl	Segment Adjusted Ebitda SegmentAdjustedEBITDA	970300000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	536900000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	433300000	USD
CY2019Q4	us-gaap	Assets Assets	6644600000	USD
CY2018	axl	Sales Revenue Goods Net Inclusiveof Intersegment Sales SalesRevenueGoodsNetInclusiveofIntersegmentSales	7827800000	USD
CY2018	axl	Sales Revenue Goods Net Intersegment Sales SalesRevenueGoodsNetIntersegmentSales	557400000	USD
CY2018	us-gaap	Revenues Revenues	7270400000	USD
CY2018	axl	Segment Adjusted Ebitda SegmentAdjustedEBITDA	1183900000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	528800000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	524700000	USD
CY2018Q4	us-gaap	Assets Assets	7510700000	USD
CY2017	axl	Sales Revenue Goods Net Inclusiveof Intersegment Sales SalesRevenueGoodsNetInclusiveofIntersegmentSales	6778800000	USD
CY2017	axl	Sales Revenue Goods Net Intersegment Sales SalesRevenueGoodsNetIntersegmentSales	512800000	USD
CY2017	us-gaap	Revenues Revenues	6266000000.0	USD
CY2017	axl	Segment Adjusted Ebitda SegmentAdjustedEBITDA	1102700000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	428500000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	477700000	USD
CY2017Q4	us-gaap	Assets Assets	7882800000	USD
CY2019	axl	Segment Adjusted Ebitda SegmentAdjustedEBITDA	970300000	USD
CY2018	axl	Segment Adjusted Ebitda SegmentAdjustedEBITDA	1183900000	USD
CY2017	axl	Segment Adjusted Ebitda SegmentAdjustedEBITDA	1102700000	USD
CY2019	us-gaap	Interest Expense InterestExpense	217300000	USD
CY2018	us-gaap	Interest Expense InterestExpense	216300000	USD
CY2017	us-gaap	Interest Expense InterestExpense	195600000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	536900000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	528800000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	428500000	USD
CY2019	axl	Impairmentcharges Impairmentcharges	665000000.0	USD
CY2018	axl	Impairmentcharges Impairmentcharges	485500000	USD
CY2017	axl	Impairmentcharges Impairmentcharges	0	USD
CY2019	axl	Restructuringandacquisitionrelatedcosts Restructuringandacquisitionrelatedcosts	57800000	USD
CY2018	axl	Restructuringandacquisitionrelatedcosts Restructuringandacquisitionrelatedcosts	78900000	USD
CY2017	axl	Restructuringandacquisitionrelatedcosts Restructuringandacquisitionrelatedcosts	110700000	USD
CY2019	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	-9800000	USD
CY2018	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	0	USD
CY2017	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements And Curtailments1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1	-3200000	USD
CY2019	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-21300000	USD
CY2018	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	15500000	USD
CY2017	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2019	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	10800000	USD
CY2018	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	0	USD
CY2017	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	0	USD
CY2019	axl	Gainlossonsettlementofcapitallease Gainlossonsettlementofcapitallease	0	USD
CY2018	axl	Gainlossonsettlementofcapitallease Gainlossonsettlementofcapitallease	15600000	USD
CY2017	axl	Gainlossonsettlementofcapitallease Gainlossonsettlementofcapitallease	0	USD
CY2019	axl	Fair Value Inventory Adjustmentfrom Acquisitionof Mpg FairValueInventoryAdjustmentfromAcquisitionofMPG	0	USD
CY2018	axl	Fair Value Inventory Adjustmentfrom Acquisitionof Mpg FairValueInventoryAdjustmentfromAcquisitionofMPG	0	USD
CY2017	axl	Fair Value Inventory Adjustmentfrom Acquisitionof Mpg FairValueInventoryAdjustmentfromAcquisitionofMPG	-24900000	USD
CY2019	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On Operating Results NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnOperatingResults	0	USD
CY2018	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On Operating Results NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnOperatingResults	0	USD
CY2017	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Change On Operating Results NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnOperatingResults	3700000	USD
CY2019	axl	Other Expense Debt Refinancing And Redemption Costs OtherExpenseDebtRefinancingAndRedemptionCosts	8400000	USD
CY2018	axl	Other Expense Debt Refinancing And Redemption Costs OtherExpenseDebtRefinancingAndRedemptionCosts	19400000	USD
CY2017	axl	Other Expense Debt Refinancing And Redemption Costs OtherExpenseDebtRefinancingAndRedemptionCosts	3500000	USD
CY2019	axl	Other Reconciling Items OtherReconcilingItems	-2400000	USD
CY2018	axl	Other Reconciling Items OtherReconcilingItems	0	USD
CY2017	axl	Other Reconciling Items OtherReconcilingItems	0	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-533000000.0	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-113900000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	340000000.0	USD
CY2019	us-gaap	Revenues Revenues	6530900000	USD
CY2018	us-gaap	Revenues Revenues	7270400000	USD
CY2017	us-gaap	Revenues Revenues	6266000000.0	USD
CY2019Q4	us-gaap	Noncurrent Assets NoncurrentAssets	4722700000	USD
CY2018Q4	us-gaap	Noncurrent Assets NoncurrentAssets	5435400000	USD
CY2017Q4	us-gaap	Noncurrent Assets NoncurrentAssets	5900700000	USD
CY2019Q3	axl	Impairmentoflonglivedassetstobedisposedofnetoftax Impairmentoflonglivedassetstobedisposedofnetoftax	178000000	USD
CY2019Q4	axl	Gain Lossondispositionofbusinessnetoftax GainLossondispositionofbusinessnetoftax	17000000	USD
CY2019	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	10800000	USD
CY2019Q4	axl	Definedbenefitplannetperiodicbenefitcostcreditgainlossduetosettlementorcurtailmentnetoftax Definedbenefitplannetperiodicbenefitcostcreditgainlossduetosettlementorcurtailmentnetoftax	8000000	USD
CY2018	axl	Royalties And Dividends RoyaltiesAndDividends	0	USD
CY2018	axl	Net Incomeloss After Royaltiesand Dividends NetIncomelossAfterRoyaltiesandDividends	-56800000	USD
CY2019Q4	axl	Ownership In Subsidiary Percentage OwnershipInSubsidiaryPercentage	1
CY2019	axl	Revenue From External Customers Supplemental Guarantor Disclosure RevenueFromExternalCustomersSupplementalGuarantorDisclosure	6530900000	USD
CY2019	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	0	USD
CY2019	us-gaap	Revenues Revenues	6530900000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	5628300000	USD
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CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	364700000	USD
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CY2019	axl	Net Income Loss Before Royalties And Dividends NetIncomeLossBeforeRoyaltiesAndDividends	-484100000	USD
CY2019	axl	Royalties And Dividends RoyaltiesAndDividends	0	USD
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CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	400000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-484500000	USD
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CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-522000000.0	USD
CY2018	axl	Revenue From External Customers Supplemental Guarantor Disclosure RevenueFromExternalCustomersSupplementalGuarantorDisclosure	7270400000	USD
CY2018	us-gaap	Revenue From Related Parties RevenueFromRelatedParties	0	USD
CY2018	us-gaap	Revenues Revenues	7270400000	USD
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CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	385700000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	99400000	USD
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CY2018	axl	Restructuringandacquisitionrelatedcosts Restructuringandacquisitionrelatedcosts	78900000	USD
CY2018	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	15500000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	106400000	USD
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-220300000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-113900000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-57100000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
CY2018	axl	Net Income Loss Before Royalties And Dividends NetIncomeLossBeforeRoyaltiesAndDividends	-56800000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-18900000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-76400000	USD
CY2017	axl	Revenue From External Customers Supplemental Guarantor Disclosure RevenueFromExternalCustomersSupplementalGuarantorDisclosure	6266000000.0	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	700000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-57500000	USD
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CY2017	us-gaap	Revenues Revenues	6266000000.0	USD
CY2017	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	5146900000	USD
CY2017	us-gaap	Gross Profit GrossProfit	1119100000	USD
CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	390100000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	75300000	USD
CY2017	axl	Restructuringandacquisitionrelatedcosts Restructuringandacquisitionrelatedcosts	110700000	USD
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CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	340000000.0	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2500000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
CY2017	axl	Net Income Loss Before Royalties And Dividends NetIncomeLossBeforeRoyaltiesAndDividends	337500000	USD
CY2017	axl	Royalties And Dividends RoyaltiesAndDividends	0	USD
CY2017	axl	Net Incomeloss After Royaltiesand Dividends NetIncomelossAfterRoyaltiesandDividends	337500000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	400000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	337100000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	96900000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	434000000.0	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	532000000.0	USD
CY2019Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	815400000	USD
CY2019Q4	axl	Intercompanyreceivables Intercompanyreceivables	0	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	373600000	USD
CY2019Q4	us-gaap	Other Assets Current OtherAssetsCurrent	136800000	USD
CY2019Q4	us-gaap	Assets Current AssetsCurrent	1857800000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2358400000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	699100000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	864500000	USD
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CY2019Q4	axl	Other Assets Noncurrent Condensed OtherAssetsNoncurrentCondensed	864800000	USD
CY2019Q4	us-gaap	Equity Method Investments EquityMethodInvestments	0	USD
CY2019Q4	us-gaap	Assets Assets	6644600000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	28700000	USD
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	623500000	USD
CY2018Q4	axl	Intercompanyreceivables Intercompanyreceivables	0	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	459700000	USD
CY2018Q4	us-gaap	Other Assets Current OtherAssetsCurrent	127200000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	2029800000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6644600000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	476400000	USD
CY2019Q4	axl	Intercompanypayables Intercompanypayables	0	USD
CY2019Q4	axl	Other Liabilities Current Condensed OtherLiabilitiesCurrentCondensed	374200000	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1026400000	USD
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CY2019Q4	axl	Long Term Debtnetof Issuance Costs LongTermDebtnetofIssuanceCosts	3612300000	USD
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CY2019	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	900000	USD
CY2019	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	141200000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	9400000	USD
CY2019	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	9200000	USD
CY2019	axl	Intercompany Activity Investing IntercompanyActivityInvesting	0	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-306600000	USD
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CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	3300000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	7500000	USD
CY2019	axl	Intercompany Activity Financing IntercompanyActivityFinancing	0	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-200000000.0	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	100000	USD
CY2019	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	53100000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	478900000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	532000000.0	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	771500000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	524700000	USD
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CY2018	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	500000	USD
CY2018	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	47100000	USD
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CY2018	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	3700000	USD
CY2018	axl	Intercompany Activity Investing IntercompanyActivityInvesting	0	USD
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CY2018	us-gaap	Proceeds From Repayments Of Debt ProceedsFromRepaymentsOfDebt	-171600000	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	6900000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3700000	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	2300000	USD
CY2018	axl	Intercompany Activity Financing IntercompanyActivityFinancing	0	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-184500000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-6700000	USD
CY2018	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	102100000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	376800000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	478900000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	647000000.0	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	477700000	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2500000	USD
CY2017	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	13300000	USD
CY2017	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	5900000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	895500000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1378100000	USD
CY2017	us-gaap	Proceeds From Repayments Of Debt ProceedsFromRepaymentsOfDebt	712700000	USD
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	91000000.0	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	900000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	7000000.0	USD
CY2017	axl	Intercompany Activity Financing IntercompanyActivityFinancing	0	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	615600000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	11100000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-104400000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	481200000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	376800000	USD

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$AXL
AMERICAN AXLE & MANUFACTURING HOLDINGS INC Stock $axl

2019 Q4 Form 10-K Financial Statement

#000106223120000009 Filed on February 14, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AXL AMERICAN AXLE & MANUFACTURING HOLDINGS INC Stock $axl

2019 Q4 Form 10-K Financial Statement

#000106223120000009 Filed on February 14, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AXL
AMERICAN AXLE & MANUFACTURING HOLDINGS INC Stock $axl