v2.4.0.6
Employee Benefit Plans (Details Textual (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Employee Benefit Plans (Textual) [Abstract]          
Pension settlement expense $ 137        
Increase in pension liability (432) 0 (470) 0  
Benefit Obligation Discount Rate 3.35%   3.35%   4.30%
Rate Of Compensation Increase 4.75%   4.75%   4.25%
Net Pension Liability 1,283   1,283    
Employee Benefit Plans (Additional Textual) [Abstract]          
Decrease in pension liabilities     1,127    
Decrease in federal and state deferred tax assets     335    
Decrease in other comprehensive income     570    
U.S. (Pension Benefits) [Member]
         
Employee Benefit Plans (Textual) [Abstract]          
Company contributions     258    
Expected company contributions 410   410    
Int'l (Pension Benefits) [Member]
         
Employee Benefit Plans (Textual) [Abstract]          
Company contributions     161    
Expected company contributions $ 210   $ 210