XML 42 R87.htm IDEA: XBRL DOCUMENT v2.4.0.6
Multi Employer Pension Plans (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Multiemployer Plans [Line Items]      
Employer Identification Number 236648508    
Multiemployer Plan Number 499    
PPA Zone Status Green Green  
Funding Plan Pending / Implemented No    
Contributions by Dana $ 10 $ 9 $ 8
Surcharge Imposed No