XML 185 R124.htm IDEA: XBRL DOCUMENT v3.3.1.900
Common Stock Common Stock (Accelerated Share Repurchase) (Details) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
1 Months Ended 12 Months Ended
Jun. 30, 2015
Apr. 30, 2015
Dec. 31, 2015
Apr. 06, 2015
Accelerated Share Repurchases [Line Items]        
Stock Repurchase Program, Authorized Amount   $ 1,500    
Payments for Repurchase of Common Stock   $ 1,500 $ 1,500  
Stock Repurchased and Retired During Period, Shares 3.2 16.6 19.8  
Stock Repurchased and Retired During Period, Value $ 225 $ 1,275 $ 1,500  
Percentage of ASR common stock received       85.00%
Forward Contracts Indexed to Issuer's Equity, Value $ 225      
Accelerated Share Repurchases, Final Price Paid Per Share     $ 75.75  
Goldman Sachs [Member]        
Accelerated Share Repurchases [Line Items]        
Payments for Repurchase of Common Stock   750    
JPMorgan Chase [Member]        
Accelerated Share Repurchases [Line Items]        
Payments for Repurchase of Common Stock   $ 750