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Note 11 - Financing Agreements - Term A Facility and Revolving Facility Margins (Details) - Term A Facility and Revolving Facility [Member] | 6 Months Ended
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Jun. 30, 2020
Base Rate [Member] | Total Net Leverage Ratio is Less than or Equal to 1.00:1.00 [Member] |
Margin | 0.25%
Base Rate [Member] | Total Net Leverage Ratio is Greater than 1.00:1.00 but Less than or Equal to 2.00:1.00 [Member] |
Margin | 0.50%
Base Rate [Member] | Total Net Leverage Ratio is Greater than 2.00:1.00 [Member] |
Margin | 0.75%
Eurodollar [Member] | Total Net Leverage Ratio is Less than or Equal to 1.00:1.00 [Member] |
Margin | 1.25%
Eurodollar [Member] | Total Net Leverage Ratio is Greater than 1.00:1.00 but Less than or Equal to 2.00:1.00 [Member] |
Margin | 1.50%
Eurodollar [Member] | Total Net Leverage Ratio is Greater than 2.00:1.00 [Member] |
Margin | 1.75%

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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_DebtInstrumentAxis=dan_TermAFacilityAndRevolvingFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementScenarioAxis=dan_TotalNetLeverageRatioIsLessThanOrEqualTo100100Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementScenarioAxis=dan_TotalNetLeverageRatioIsGreaterThan100100ButLessThanOrEqualTo200100Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=dan_TotalNetLeverageRatioIsGreaterThan200100Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_EurodollarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |