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Segments - Additional Information (Detail)	Sep. 30, 2011 Entity
Segment Reporting Disclosure [Line Items]
Number of operating segments	5

X

- Definition

Number of Operating Segments

+ Details

Name:	dan_NumberOfOperatingSegments
Namespace Prefix:	dan
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Segment Reporting Disclosure [Line Items]

+ Details

Name:	dan_SegmentReportingDisclosureLineItems
Namespace Prefix:	dan
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration