v2.4.0.6
Parent-Only Financial Statements, Statement of Comprehensive Income (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Parent-Only Statement of Comprehensive Income [Abstract]      
Net income $ 18,897 $ 15,869 $ 12,362
Other comprehensive income, net of tax:      
Securities available for sale, Net change 3,053 (663) 1,538
Derivatives and hedging activities, Net change (201) (249) 89
Defined benefit plans adjustment, Net change (395) (607) 70
Wells Fargo other comprehensive income (loss), net of tax 2,443 (1,531) 1,729
Parent Company [Member]
      
Parent-Only Statement of Comprehensive Income [Abstract]      
Net income 18,897 15,869 12,362
Other comprehensive income, net of tax:      
Securities available for sale, Net change 61 (50) (30)
Derivatives and hedging activities, Net change 31 (1) (88)
Defined benefit plans adjustment, Net change (379) (650) 114
Equity in other comprehensive income of subsidiaries 2,730 (830) 1,733
Total comprehensive income $ 21,340 $ 14,338 $ 14,091