v2.4.0.6
Condensed Consolidating Financial Statements, Comprehensive Income Statement (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Condensed Consolidating Statements of Comprehensive Income [Abstract]    
Wells Fargo net income (loss) $ 4,248 $ 3,759
Other comprehensive income, net of tax:    
Translation adjustments, net of tax 6 15
Securities available for sale, Net change 1,024 348
Derivatives and hedging activities, Net change (37) (99)
Defined benefit plans adjustment 20 15
Equity in other comprehensive income of subsidiaries 0 0
Other comprehensive income, Net of tax 1,013 279
Less: Other comprehensive income attributable to noncontrolling interests 4 (4)
Parent, WFFI, Other and Wells Fargo net other comprehensive income 1,009 283
Wells Fargo comprehensive income 5,257 4,042
Comprehensive income from noncontrolling interests 76 51
Total comprehensive income 5,333 4,093
Parent Bank Holding Company [Member]
    
Condensed Consolidating Statements of Comprehensive Income [Abstract]    
Wells Fargo net income (loss) 4,248 3,759
Other comprehensive income, net of tax:    
Translation adjustments, net of tax 0 0
Securities available for sale, Net change 41 30
Derivatives and hedging activities, Net change 3 17
Defined benefit plans adjustment 21 13
Equity in other comprehensive income of subsidiaries 944 223
Other comprehensive income, Net of tax 1,009 283
Less: Other comprehensive income attributable to noncontrolling interests 0 0
Parent, WFFI, Other and Wells Fargo net other comprehensive income 1,009 283
Wells Fargo comprehensive income 5,257 4,042
Comprehensive income from noncontrolling interests 0 0
Total comprehensive income 5,257 4,042
Wells Fargo Financial, Inc [Member]
    
Condensed Consolidating Statements of Comprehensive Income [Abstract]    
Wells Fargo net income (loss) 86 43
Other comprehensive income, net of tax:    
Translation adjustments, net of tax 6 9
Securities available for sale, Net change (6) 1
Derivatives and hedging activities, Net change 0 0
Defined benefit plans adjustment 2 1
Equity in other comprehensive income of subsidiaries 0 0
Other comprehensive income, Net of tax 2 11
Less: Other comprehensive income attributable to noncontrolling interests 0 0
Parent, WFFI, Other and Wells Fargo net other comprehensive income 2 11
Wells Fargo comprehensive income 88 54
Comprehensive income from noncontrolling interests 0 0
Total comprehensive income 88 54
Other consolidating subsidiaries [Member]
    
Condensed Consolidating Statements of Comprehensive Income [Abstract]    
Wells Fargo net income (loss) 4,547 4,072
Other comprehensive income, net of tax:    
Translation adjustments, net of tax 15 6
Securities available for sale, Net change 989 317
Derivatives and hedging activities, Net change (40) (116)
Defined benefit plans adjustment (3) 1
Equity in other comprehensive income of subsidiaries 0 0
Other comprehensive income, Net of tax 961 208
Less: Other comprehensive income attributable to noncontrolling interests 4 (4)
Parent, WFFI, Other and Wells Fargo net other comprehensive income 957 212
Wells Fargo comprehensive income 5,504 4,284
Comprehensive income from noncontrolling interests 76 51
Total comprehensive income 5,580 4,335
Eliminations [Member]
    
Condensed Consolidating Statements of Comprehensive Income [Abstract]    
Wells Fargo net income (loss) (4,633) (4,115)
Other comprehensive income, net of tax:    
Translation adjustments, net of tax (15) 0
Securities available for sale, Net change 0 0
Derivatives and hedging activities, Net change 0 0
Defined benefit plans adjustment 0 0
Equity in other comprehensive income of subsidiaries (944) (223)
Other comprehensive income, Net of tax (959) (223)
Less: Other comprehensive income attributable to noncontrolling interests 0 0
Parent, WFFI, Other and Wells Fargo net other comprehensive income (959) (223)
Wells Fargo comprehensive income (5,592) (4,338)
Comprehensive income from noncontrolling interests 0 0
Total comprehensive income $ (5,592) $ (4,338)