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v3.20.2

Note 11 - Financing Agreements - Revolving Facility Commitment Fees (Details) - Revolving Credit Facility [Member] | 6 Months Ended
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Jun. 30, 2020
Total Net Leverage Ratio is Less than or Equal to 1.00:1.00 [Member] |
Commitment fee | 0.25%
Total Net Leverage Ratio is Greater than 1.00:1.00 but Less than or Equal to 2.00:1.00 [Member] |
Commitment fee | 0.375%
Total Net Leverage Ratio is Greater than 2.00:1.00 [Member] |
Commitment fee | 0.50%

X
- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- 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: |