v2.4.0.6
Earnings Per Common Share, Calculation of Earnings and Diluted Earnings per Common Share (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Earnings Per Common Share [Abstract]      
Wells Fargo net income $ 18,897 $ 15,869 $ 12,362
Less: Preferred stock dividends and other 898 844 730
Wells Fargo net income applicable to common stock (numerator) $ 17,999 $ 15,025 $ 11,632
Earnings per common share      
Average common shares outstanding (denominator) 5,287.6 5,278.1 5,226.8
Per share $ 3.40 $ 2.85 $ 2.23
Diluted earnings per common share      
Average common shares outstanding 5,287.6 5,278.1 5,226.8
Diluted average common shares outstanding (denominator) 5,351.5 5,323.4 5,263.1
Per share $ 3.36 $ 2.82 $ 2.21
Stock Options [Member]
     
Diluted earnings per common share      
Weighted Average Number Diluted Shares Outstanding, Adjustment 27.5 24.2 28.3
Rights [Member]
     
Diluted earnings per common share      
Weighted Average Number Diluted Shares Outstanding, Adjustment 36.4 21.1 8.0