v2.4.0.6
Condensed Consolidating Financial Statements, Income Statement (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Condensed Consolidating Statements of Income [Abstract]    
Interest income from loans $ 9,197 $ 9,387
Interest income from subsidiaries 0 0
Other interest income 3,058 3,085
Total interest income 12,255 12,472
Deposits 457 615
Short-term borrowings 16 26
Long-term debt 830 1,104
Other interest expense 64 76
Total interest expense 1,367 1,821
Net interest income 10,888 10,651
Provision for credit losses 1,995 2,210
Net interest income after provision for credit losses 8,893 8,441
Noninterest income    
Fee income - nonaffiliates 5,672 5,874
Other 5,076 3,804
Total noninterest income 10,748 9,678
Noninterest expense    
Salaries and benefits 7,626 7,193
Other 5,367 5,540
Total noninterest expense 12,993 12,733
Income (loss) before income tax expense (benefit) 6,648 5,386
Income tax expense (benefit) 2,328 1,572
Equity in undistributed income of subsidiaries 0 0
Net income (loss) before noncontrolling interests 4,320 3,814
Less: Net income (loss) from noncontrolling interests 72 55
Wells Fargo net income (loss) 4,248 3,759
Bank [Member]
    
Condensed Consolidating Statements of Income [Abstract]    
Dividends from subsidiaries 0 0
Nonbank [Member]
    
Condensed Consolidating Statements of Income [Abstract]    
Dividends from subsidiaries 0 0
Wells Fargo & Company [Member]
    
Condensed Consolidating Statements of Income [Abstract]    
Interest income from loans 0 0
Interest income from subsidiaries 232 308
Other interest income 57 48
Total interest income 3,717 1,948
Deposits 0 0
Short-term borrowings 44 105
Long-term debt 505 694
Other interest expense 3 1
Total interest expense 552 800
Net interest income 3,165 1,148
Provision for credit losses 0 0
Net interest income after provision for credit losses 3,165 1,148
Noninterest income    
Fee income - nonaffiliates 0 0
Other (42) (3)
Total noninterest income (42) (3)
Noninterest expense    
Salaries and benefits 105 190
Other 86 153
Total noninterest expense 191 343
Income (loss) before income tax expense (benefit) 2,932 802
Income tax expense (benefit) (111) (434)
Equity in undistributed income of subsidiaries 1,205 2,523
Net income (loss) before noncontrolling interests 4,248 3,759
Less: Net income (loss) from noncontrolling interests 0 0
Wells Fargo net income (loss) 4,248 3,759
Wells Fargo & Company [Member] | Bank [Member]
    
Condensed Consolidating Statements of Income [Abstract]    
Dividends from subsidiaries 3,051 1,592
Wells Fargo & Company [Member] | Nonbank [Member]
    
Condensed Consolidating Statements of Income [Abstract]    
Dividends from subsidiaries 377 0
Wells Fargo Financial, Inc. [Member]
    
Condensed Consolidating Statements of Income [Abstract]    
Interest income from loans 483 578
Interest income from subsidiaries 0 0
Other interest income 15 29
Total interest income 498 607
Deposits 0 0
Short-term borrowings 14 15
Long-term debt 113 167
Other interest expense 0 0
Total interest expense 127 182
Net interest income 371 425
Provision for credit losses 165 247
Net interest income after provision for credit losses 206 178
Noninterest income    
Fee income - nonaffiliates 27 28
Other 26 24
Total noninterest income 53 52
Noninterest expense    
Salaries and benefits 23 27
Other 105 145
Total noninterest expense 128 172
Income (loss) before income tax expense (benefit) 131 58
Income tax expense (benefit) 45 15
Equity in undistributed income of subsidiaries 0 0
Net income (loss) before noncontrolling interests 86 43
Less: Net income (loss) from noncontrolling interests 0 0
Wells Fargo net income (loss) 86 43
Wells Fargo Financial, Inc. [Member] | Bank [Member]
    
Condensed Consolidating Statements of Income [Abstract]    
Dividends from subsidiaries 0 0
Wells Fargo Financial, Inc. [Member] | Nonbank [Member]
    
Condensed Consolidating Statements of Income [Abstract]    
Dividends from subsidiaries 0 0
Other consolidating subsidiaries [Member]
    
Condensed Consolidating Statements of Income [Abstract]    
Interest income from loans 8,780 8,932
Interest income from subsidiaries 0 0
Other interest income 2,986 3,008
Total interest income 11,766 11,940
Deposits 457 615
Short-term borrowings 149 187
Long-term debt 319 393
Other interest expense 61 75
Total interest expense 986 1,270
Net interest income 10,780 10,670
Provision for credit losses 1,830 1,963
Net interest income after provision for credit losses 8,950 8,707
Noninterest income    
Fee income - nonaffiliates 5,645 5,846
Other 5,255 3,939
Total noninterest income 10,900 9,785
Noninterest expense    
Salaries and benefits 7,498 6,976
Other 5,339 5,398
Total noninterest expense 12,837 12,374
Income (loss) before income tax expense (benefit) 7,013 6,118
Income tax expense (benefit) 2,394 1,991
Equity in undistributed income of subsidiaries 0 0
Net income (loss) before noncontrolling interests 4,619 4,127
Less: Net income (loss) from noncontrolling interests 72 55
Wells Fargo net income (loss) 4,547 4,072
Other consolidating subsidiaries [Member] | Bank [Member]
    
Condensed Consolidating Statements of Income [Abstract]    
Dividends from subsidiaries 0 0
Other consolidating subsidiaries [Member] | Nonbank [Member]
    
Condensed Consolidating Statements of Income [Abstract]    
Dividends from subsidiaries 0 0
Eliminations [Member]
    
Condensed Consolidating Statements of Income [Abstract]    
Interest income from loans (66) (123)
Interest income from subsidiaries (232) (308)
Other interest income 0 0
Total interest income (3,726) (2,023)
Deposits 0 0
Short-term borrowings (191) (281)
Long-term debt (107) (150)
Other interest expense 0 0
Total interest expense (298) (431)
Net interest income (3,428) (1,592)
Provision for credit losses 0 0
Net interest income after provision for credit losses (3,428) (1,592)
Noninterest income    
Fee income - nonaffiliates 0 0
Other (163) (156)
Total noninterest income (163) (156)
Noninterest expense    
Salaries and benefits 0 0
Other (163) (156)
Total noninterest expense (163) (156)
Income (loss) before income tax expense (benefit) (3,428) (1,592)
Income tax expense (benefit) 0 0
Equity in undistributed income of subsidiaries (1,205) (2,523)
Net income (loss) before noncontrolling interests (4,633) (4,115)
Less: Net income (loss) from noncontrolling interests 0 0
Wells Fargo net income (loss) (4,633) (4,115)
Eliminations [Member] | Bank [Member]
    
Condensed Consolidating Statements of Income [Abstract]    
Dividends from subsidiaries (3,051) (1,592)
Eliminations [Member] | Nonbank [Member]
    
Condensed Consolidating Statements of Income [Abstract]    
Dividends from subsidiaries $ (377) $ 0