v2.4.0.6
Condensed Consolidating Financial Statements, Income Statement (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Dec. 31, 2007
Condensed Consolidating Statements of Income [Abstract]          
Interest income from loans $ 37,247 $ 39,760 $ 41,589    
Interest income from subsidiaries 0 0 0    
Other interest income 12,165 13,036 14,685    
Total interest income 49,412 52,796 56,274    
Deposits 2,275 2,832 3,774    
Short-term borrowings 80 92 222    
Long-term debt 3,978 4,888 5,782    
Other interest expense 316 227 172    
Total interest expense 6,649 8,039 9,950    
Net interest income 42,763 44,757 46,324    
Provision for credit losses 7,899 15,753 21,668 15,979 4,939
Net interest income after provision for credit losses 34,864 29,004 24,656    
Noninterest income          
Fee income - nonaffiliates 23,430 23,492 22,963    
Other 14,755 16,961 19,399    
Total noninterest income 38,185 40,453 42,362    
Noninterest expense          
Salaries and benefits 27,667 27,212 26,467    
Other 21,726 23,244 22,553    
Total noninterest expense 49,393 50,456 49,020    
Income (loss) before income tax expense (benefit) 23,656 19,001 17,998    
Income tax expense (benefit) 7,445 6,338 5,331    
Equity in undistributed income of subsidiaries 0 0 0    
Net income (loss) before noncontrolling interests 16,211 12,663 12,667    
Less: Net income from noncontrolling interests 342 301 392    
Wells Fargo net income (loss) 15,869 12,362 12,275    
Bank [Member]
          
Condensed Consolidating Statements of Income [Abstract]          
Dividends from subsidiaries 0 0 0    
Nonbank [Member]
          
Condensed Consolidating Statements of Income [Abstract]          
Dividends from subsidiaries 0 0 0    
Wells Fargo & Company [Member]
          
Condensed Consolidating Statements of Income [Abstract]          
Interest income from loans 0 0 0    
Interest income from subsidiaries 914 1,375 2,126    
Other interest income 242 304 424    
Total interest income 12,842 14,596 10,052    
Deposits 0 0 0    
Short-term borrowings 209 277 174    
Long-term debt 2,469 2,910 3,391    
Other interest expense 8 2 0    
Total interest expense 2,686 3,189 3,565    
Net interest income 10,156 11,407 6,487    
Provision for credit losses 0 0 0    
Net interest income after provision for credit losses 10,156 11,407 6,487    
Noninterest income          
Fee income - nonaffiliates 0 0 0    
Other 460 363 738    
Total noninterest income 460 363 738    
Noninterest expense          
Salaries and benefits (60) 143 320    
Other 137 1,192 521    
Total noninterest expense 77 1,335 841    
Income (loss) before income tax expense (benefit) 10,539 10,435 6,384    
Income tax expense (benefit) (584) (749) (164)    
Equity in undistributed income of subsidiaries 4,746 1,178 5,727    
Net income (loss) before noncontrolling interests 15,869 12,362 12,275    
Less: Net income from noncontrolling interests 0 0 0    
Wells Fargo net income (loss) 15,869 12,362 12,275    
Wells Fargo & Company [Member] | Bank [Member]
          
Condensed Consolidating Statements of Income [Abstract]          
Dividends from subsidiaries 11,546 12,896 6,974    
Wells Fargo & Company [Member] | Nonbank [Member]
          
Condensed Consolidating Statements of Income [Abstract]          
Dividends from subsidiaries 140 21 528    
Wells Fargo Financial, Inc. [Member]
          
Condensed Consolidating Statements of Income [Abstract]          
Interest income from loans 2,157 2,674 3,467    
Interest income from subsidiaries 0 0 0    
Other interest income 109 116 111    
Total interest income 2,266 2,790 3,578    
Deposits 0 0 0    
Short-term borrowings 62 46 38    
Long-term debt 552 963 1,305    
Other interest expense 0 0 0    
Total interest expense 614 1,009 1,343    
Net interest income 1,652 1,781 2,235    
Provision for credit losses 1,181 1,064 1,901    
Net interest income after provision for credit losses 471 717 334    
Noninterest income          
Fee income - nonaffiliates 110 107 148    
Other 187 145 169    
Total noninterest income 297 252 317    
Noninterest expense          
Salaries and benefits 95 150 129    
Other 652 632 711    
Total noninterest expense 747 782 840    
Income (loss) before income tax expense (benefit) 21 187 (189)    
Income tax expense (benefit) 28 62 (86)    
Equity in undistributed income of subsidiaries 0 0 0    
Net income (loss) before noncontrolling interests (7) 125 (103)    
Less: Net income from noncontrolling interests 0 0 1    
Wells Fargo net income (loss) (7) 125 (104)    
Wells Fargo Financial, Inc. [Member] | Bank [Member]
          
Condensed Consolidating Statements of Income [Abstract]          
Dividends from subsidiaries 0 0 0    
Wells Fargo Financial, Inc. [Member] | Nonbank [Member]
          
Condensed Consolidating Statements of Income [Abstract]          
Dividends from subsidiaries 0 0 0    
Other consolidating subsidiaries [Member]
          
Condensed Consolidating Statements of Income [Abstract]          
Interest income from loans 35,367 37,404 38,140    
Interest income from subsidiaries 0 14 0    
Other interest income 11,814 12,616 14,150    
Total interest income 47,181 50,034 52,290    
Deposits 2,275 2,832 3,774    
Short-term borrowings 487 586 782    
Long-term debt 1,470 1,905 2,458    
Other interest expense 308 225 172    
Total interest expense 4,540 5,548 7,186    
Net interest income 42,641 44,486 45,104    
Provision for credit losses 6,718 14,689 19,767    
Net interest income after provision for credit losses 35,923 29,797 25,337    
Noninterest income          
Fee income - nonaffiliates 23,320 23,385 22,815    
Other 14,739 17,111 19,135    
Total noninterest income 38,059 40,496 41,950    
Noninterest expense          
Salaries and benefits 27,632 26,919 26,018    
Other 21,568 22,078 21,964    
Total noninterest expense 49,200 48,997 47,982    
Income (loss) before income tax expense (benefit) 24,782 21,296 19,305    
Income tax expense (benefit) 8,001 7,025 5,581    
Equity in undistributed income of subsidiaries 0 0 0    
Net income (loss) before noncontrolling interests 16,781 14,271 13,724    
Less: Net income from noncontrolling interests 342 301 391    
Wells Fargo net income (loss) 16,439 13,970 13,333    
Other consolidating subsidiaries [Member] | Bank [Member]
          
Condensed Consolidating Statements of Income [Abstract]          
Dividends from subsidiaries 0 0 0    
Other consolidating subsidiaries [Member] | Nonbank [Member]
          
Condensed Consolidating Statements of Income [Abstract]          
Dividends from subsidiaries 0 0 0    
Eliminations [Member]
          
Condensed Consolidating Statements of Income [Abstract]          
Interest income from loans (277) (318) (18)    
Interest income from subsidiaries (914) (1,389) (2,126)    
Other interest income 0 0 0    
Total interest income (12,877) (14,624) (9,646)    
Deposits 0 0 0    
Short-term borrowings (678) (817) (772)    
Long-term debt (513) (890) (1,372)    
Other interest expense 0 0 0    
Total interest expense (1,191) (1,707) (2,144)    
Net interest income (11,686) (12,917) (7,502)    
Provision for credit losses 0 0 0    
Net interest income after provision for credit losses (11,686) (12,917) (7,502)    
Noninterest income          
Fee income - nonaffiliates 0 0 0    
Other (631) (658) (643)    
Total noninterest income (631) (658) (643)    
Noninterest expense          
Salaries and benefits 0 0 0    
Other (631) (658) (643)    
Total noninterest expense (631) (658) (643)    
Income (loss) before income tax expense (benefit) (11,686) (12,917) (7,502)    
Income tax expense (benefit) 0 0 0    
Equity in undistributed income of subsidiaries (4,746) (1,178) (5,727)    
Net income (loss) before noncontrolling interests (16,432) (14,095) (13,229)    
Less: Net income from noncontrolling interests 0 0 0    
Wells Fargo net income (loss) (16,432) (14,095) (13,229)    
Eliminations [Member] | Bank [Member]
          
Condensed Consolidating Statements of Income [Abstract]          
Dividends from subsidiaries (11,546) (12,896) (6,974)    
Eliminations [Member] | Nonbank [Member]
          
Condensed Consolidating Statements of Income [Abstract]          
Dividends from subsidiaries $ (140) $ (21) $ (528)