v2.4.0.6
Securitizations and Variable Interest Entities, Secured Borrowing and Consolidated Variable Interest Entity (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Variable Interest Entity [Line Items]    
Consolidated assets $ 1,436,634 [1] $ 1,422,968 [1]
Third party liabilities (1,273,239) [2] (1,264,057) [2]
Noncontrolling interests (1,309) (1,357)
VIEs that we consolidate [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 14,262 16,054
Consolidated assets 13,242 14,625
Third party liabilities (5,874) (6,443)
Noncontrolling interests (25) (48)
Net assets 7,343 8,134
VIEs that we consolidate [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 13,242 14,625
Third party liabilities (5,874) (6,443)
Noncontrolling interests (25) (48)
Net assets 7,343 8,134
VIEs that we consolidate [Member] | Nonconforming Residential Mortgage Backed Securities [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 8,165 8,633
VIEs that we consolidate [Member] | Nonconforming Residential Mortgage Backed Securities [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 7,264 7,707
Third party liabilities (2,761) (2,933)
Noncontrolling interests 0 0
Net assets 4,503 4,774
VIEs that we consolidate [Member] | Multi-seller commercial paper conduit [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 2,064 2,059
VIEs that we consolidate [Member] | Multi-seller commercial paper conduit [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 2,050 2,036
Third party liabilities (2,061) (2,053)
Noncontrolling interests 0 0
Net assets (11) (17)
VIEs that we consolidate [Member] | Structured Asset Finance [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 64 71
VIEs that we consolidate [Member] | Structured Asset Finance [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 64 71
Third party liabilities (17) (17)
Noncontrolling interests 0 0
Net assets 47 54
VIEs that we consolidate [Member] | Investment funds [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 1,749 1,837
VIEs that we consolidate [Member] | Investment funds [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 1,749 1,837
Third party liabilities (36) (2)
Noncontrolling interests 0 0
Net assets 1,713 1,835
VIEs that we consolidate [Member] | Other securitizations and transactions [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 2,220 3,454
VIEs that we consolidate [Member] | Other securitizations and transactions [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 2,115 2,974
Third party liabilities (999) (1,438)
Noncontrolling interests (25) (48)
Net assets 1,091 1,488
Secured Borrowings [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 23,295 23,514
Secured Borrowings [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 22,006 22,345
Third party liabilities (18,691) (19,768)
Noncontrolling interests 0 0
Net assets 3,315 2,577
Secured Borrowings [Member] | Commercial Real Estate Loans [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 897 975
Secured Borrowings [Member] | Commercial Real Estate Loans [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 897 975
Third party liabilities (642) (696)
Noncontrolling interests 0 0
Net assets 255 279
Secured Borrowings [Member] | Municipal tender option bond securitizations [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 16,726 16,782
Secured Borrowings [Member] | Municipal tender option bond securitizations [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 15,001 15,130
Third party liabilities (12,313) (13,248)
Noncontrolling interests 0 0
Net assets 2,688 1,882
Secured Borrowings [Member] | Residental mortgage securitizations [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 5,672 5,757
Secured Borrowings [Member] | Residental mortgage securitizations [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 6,108 6,240
Third party liabilities (5,736) (5,824)
Noncontrolling interests 0 0
Net assets 372 416
Secured Borrowings And Variable Interest Entity [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 37,557 39,568
Secured Borrowings And Variable Interest Entity [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 35,248 36,970
Third party liabilities (24,565) (26,211)
Noncontrolling interests (25) (48)
Net assets $ 10,658 $ 10,711
[1] Our consolidated assets at March 31, 2013 and December 31, 2012, include the following assets of certain variable interest entities (VIEs) that can only be used to settle the liabilities of those VIEs: Cash and due from banks, $156 million and $260 million; Trading assets, $135 million and $114 million; Securities available for sale, $2.6 billion and $2.8 billion; Mortgages held for sale, $257 million and $469 million; Net loans, $9.7 billion and $10.6 billion; Other assets, $434 million and 457 million, and Total assets, $13.2 billion and $14.6 billion, respectively.
[2] Our consolidated liabilities at March 31, 2013 and December 31, 2012, include the following VIE liabilities for which the VIE creditors do not have recourse to Wells Fargo: Short-term borrowings, $3 million and $0 million; Accrued expenses and other liabilities, $105 million and $134 million; Long-term debt, $2.9 billion and $3.5 billion; and Total liabilities, $3.0 billion and $3.6 billion, respectively.