v2.4.0.6
Equity In Net Assets Of Nonconsolidated Affiliates Transactions with NCAs (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Income Statement [Abstract]          
Interest Income and Other Non-operating Income, Net $ 139 $ 308 $ 414 $ 912  
Statement of Cash Flows [Abstract]          
Operating Cash Flow     6,441 4,687  
Investing Cash Flow     (825) (5,187)  
Nonconsolidated Affiliates [Member]
          
Income Statement [Abstract]          
Automotive Sales and Revenue 722 852 1,305 1,687  
Automotive Purchases, Net 174 38 309 830  
Automotive Selling, General and Administrative Expense 1 (2) 3 6  
Automotive Interest Expense 6 5 12 10  
Interest Income and Other Non-operating Income, Net 148 13 163 11  
Statement of Financial Position [Abstract]          
Accounts and notes receivable, net 915   915   1,785
Accounts and notes payable 359   359   342
Deferred Revenue and Customer Deposits 44   44   150
Statement of Cash Flows [Abstract]          
Operating Cash Flow     2,391 1,904  
Investing Cash Flow     $ (37) $ 1