v2.4.0.8
Significant Accounting Policies (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Significant Accounting Policies [Line Items]          
Investment Income, Dividend   $ 11   $ 20  
Intangible Assets, Net (Excluding Goodwill) 669   669   723
Amortization of Intangible Assets 25 26 51 52  
Goodwill 489   489   496
KDAC [Member]
         
Significant Accounting Policies [Line Items]          
Investment Income, Dividend     10    
GM & VW [Member]
         
Significant Accounting Policies [Line Items]          
Concentration Risk, Percentage 28.00% 26.00% 27.00% 26.00%  
GM [Member]
         
Significant Accounting Policies [Line Items]          
Concentration Risk, Percentage 18.00% 16.00% 17.00% 16.00%  
Accounts and Other Receivables 517   517   377
VW [Member]
         
Significant Accounting Policies [Line Items]          
Concentration Risk, Percentage 10.00% 10.00% 10.00% 10.00%  
Accounts and Other Receivables $ 257   $ 257   $ 199