v2.4.0.6
Long-term Debt Textuals (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2009
Dec. 31, 2012
Dec. 31, 2011
Wells Fargo & Company [Member]
     
Long-Term Debt (Textuals) [Abstract]      
Senior Notes   $ 59,252 $ 57,233
Wells Fargo Bank, National Association and Other Bank Entities [Member]
     
Long-Term Debt (Textuals) [Abstract]      
Senior Notes   8,344 4,353
Other Consolidated Subsidiaries [Member]
     
Long-Term Debt (Textuals) [Abstract]      
Senior Notes   5,988 5,174
Floating-rate notes [Member] | Wells Fargo & Company [Member] | Senior Notes [Member]
     
Long-Term Debt (Textuals) [Abstract]      
Senior Notes 1,750 10,996 17,872
Maturity date Jun. 15, 2012    
Floating-rate notes [Member] | Wells Fargo Bank, National Association and Other Bank Entities [Member] | Senior Notes [Member]
     
Long-Term Debt (Textuals) [Abstract]      
Senior Notes   170 72
Fixed-rate notes [Member] | Wells Fargo & Company [Member] | Senior Notes [Member]
     
Long-Term Debt (Textuals) [Abstract]      
Senior Notes 1,750 44,623 38,002
Interest Rate, Stated Percentage 2.125%    
Maturity date Jun. 15, 2012    
Fixed-rate notes [Member] | Wells Fargo Bank, National Association and Other Bank Entities [Member] | Senior Notes [Member]
     
Long-Term Debt (Textuals) [Abstract]      
Senior Notes   1,331 1,326
Interest Rate, Stated Percentage   6.00%  
Fixed-rate notes [Member] | Other Consolidated Subsidiaries [Member] | Senior Notes [Member]
     
Long-Term Debt (Textuals) [Abstract]      
Senior Notes   5,968 5,154
Floating-Rate Extendible Notes [Member] | Wells Fargo Bank, National Association and Other Bank Entities [Member] | Senior Notes [Member]
     
Long-Term Debt (Textuals) [Abstract]      
Senior Notes   $ 4,450 $ 0