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Reconciliation of Segment Net Assets to Consolidated Total Assets (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Segment Reporting [Abstract]      
Segment net assets $ 3,060us-gaap_AssetsNet $ 3,079us-gaap_AssetsNet $ 3,243us-gaap_AssetsNet
Accounts payable and other current liabilities 1,261dan_SegmentReportingReconcilingItemAddBackOfSegmentAccountsPayableAndOtherCurrentLiabilitiesToArriveAtConsolidatedAssets 1,268dan_SegmentReportingReconcilingItemAddBackOfSegmentAccountsPayableAndOtherCurrentLiabilitiesToArriveAtConsolidatedAssets  
Other current and long-term assets 609us-gaap_OtherAssets 782us-gaap_OtherAssets  
Total assets $ 4,930us-gaap_Assets $ 5,129us-gaap_Assets