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Note 12 - Fair Value Measurements and Derivatives - Fair Value of Financial Instruments (Details) - USD ($) $ in Millions | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Reported Value Measurement [Member] |  |  |
Long-term Debt |  | $ 2,837 | $ 2,384
Reported Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Senior Notes [Member] |  |  |
Long-term Debt |  | 2,000 | 1,500
Reported Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Secured Debt [Member] |  |  |
Long-term Debt |  | 823 | 823
Reported Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Other Debt [Member] |  |  |
Long-term Debt | [1] | 14 | 61
Estimate of Fair Value Measurement [Member] |  |  |
Long-term Debt |  | 2,851 | 2,450
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Senior Notes [Member] |  |  |
Long-term Debt |  | 2,024 | 1,570
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Secured Debt [Member] |  |  |
Long-term Debt |  | 817 | 823
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Other Debt [Member] |  |  |
Long-term Debt | [1] | $ 10 | $ 57
[1] | The carrying value includes the unamortized portion of a fair value adjustment related to a terminated interest rate swap at both dates.

X
- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
Name: | us-gaap_LongTermDebtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_CarryingReportedAmountFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=dan_OtherDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |