v3.2.0.727
Significant Accounting Policies (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Significant Accounting Policies [Line Items]          
Investment Income, Dividend     $ 8    
Cost method investments $ 23   23   $ 0
Intangible Assets, Net (Excluding Goodwill) 661   661   728
Amortization of Intangible Assets 23 $ 23 47 $ 47  
Goodwill 619   619   656
GM          
Significant Accounting Policies [Line Items]          
Accounts and Other Receivables 313   313   301
VW          
Significant Accounting Policies [Line Items]          
Accounts and Other Receivables $ 214   $ 214   $ 187
Customer Concentration Risk | Total Net Sales | GM & VW          
Significant Accounting Policies [Line Items]          
Percentage of Total Net Sales 22.00% 25.00% 22.00% 25.00%  
Customer Concentration Risk | Total Net Sales | GM          
Significant Accounting Policies [Line Items]          
Percentage of Total Net Sales 14.00% 16.00% 14.00% 16.00%  
Customer Concentration Risk | Total Net Sales | VW          
Significant Accounting Policies [Line Items]          
Percentage of Total Net Sales 8.00% 9.00% 8.00% 9.00%  
KDAC | Discontinued Operations          
Significant Accounting Policies [Line Items]          
Investment Income, Dividend       $ 10