v2.4.0.6
Securitizations and Variable Interest Entities, Secured Borrowing and Consolidated Variable Interest Entity (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Variable Interest Entity [Line Items]    
Consolidated assets $ 1,422,968 [1] $ 1,313,867 [1]
Third party liabilities (1,264,057) [2] (1,172,180) [2]
Noncontrolling interests (1,357) (1,446)
VIEs that we consolidate [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 16,054 19,966
Consolidated assets 14,625 18,215
Third party liabilities (6,443) (9,520)
Noncontrolling interests (48) (61)
Net assets 8,134 8,634
VIEs that we consolidate [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 14,625 18,215
Third party liabilities (6,443) (9,520)
Noncontrolling interests (48) (61)
Net assets 8,134 8,634
VIEs that we consolidate [Member] | Nonconforming Residential Mortgage Backed Securities [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 8,633 11,375
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 7,707 10,244
Third party liabilities (2,933) (4,514)
Noncontrolling interests 0 0
Net assets 4,774 5,730
VIEs that we consolidate [Member] | Multi-seller commercial paper conduit [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 2,059 2,860
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 2,036 2,860
Third party liabilities (2,053) (2,935)
Noncontrolling interests 0 0
Net assets (17) (75)
VIEs that we consolidate [Member] | Auto loan securitizations [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 0 163
VIEs that we consolidate [Member] | Auto loan securitizations [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 0 163
Third party liabilities 0 (143)
Noncontrolling interests 0 0
Net assets 0 20
VIEs that we consolidate [Member] | Structured Asset Finance [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 71 124
VIEs that we consolidate [Member] | Structured Asset Finance [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 71 124
Third party liabilities (17) (16)
Noncontrolling interests 0 0
Net assets 54 108
VIEs that we consolidate [Member] | Investment funds [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 1,837 2,012
VIEs that we consolidate [Member] | Investment funds [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 1,837 2,012
Third party liabilities (2) (22)
Noncontrolling interests 0 0
Net assets 1,835 1,990
VIEs that we consolidate [Member] | Other securitizations and transactions [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 3,454 3,432
VIEs that we consolidate [Member] | Other securitizations and transactions [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 2,974 2,812
Third party liabilities (1,438) (1,890)
Noncontrolling interests (48) (61)
Net assets 1,488 861
Secured Borrowings [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 23,514 21,041
Secured Borrowings [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 22,345 19,030
Third party liabilities (19,768) (17,489)
Noncontrolling interests 0 0
Net assets 2,577 1,541
Secured Borrowings [Member] | Commercial Real Estate Loans [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 975 1,168
Secured Borrowings [Member] | Commercial Real Estate Loans [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 975 1,168
Third party liabilities (696) (1,041)
Noncontrolling interests 0 0
Net assets 279 127
Secured Borrowings [Member] | Municipal tender option bond securitizations [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 16,782 14,168
Secured Borrowings [Member] | Municipal tender option bond securitizations [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 15,130 11,748
Third party liabilities (13,248) (10,689)
Noncontrolling interests 0 0
Net assets 1,882 1,059
Secured Borrowings [Member] | Residental mortgage securitizations [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 5,757 5,705
Secured Borrowings [Member] | Residental mortgage securitizations [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 6,240 6,114
Third party liabilities (5,824) (5,759)
Noncontrolling interests 0 0
Net assets 416 355
Secured Borrowings And Variable Interest Entity [Member]
    
Variable Interest Entity [Line Items]    
Total VIE assets 39,568 41,007
Secured Borrowings And Variable Interest Entity [Member] | Variable Interest Entity Consolidated Carrying Amount [Member]
    
Variable Interest Entity [Line Items]    
Consolidated assets 36,970 37,245
Third party liabilities (26,211) (27,009)
Noncontrolling interests (48) (61)
Net assets $ 10,711 $ 10,175
[1] Our consolidated assets at December 31, 2012 and December 31, 2011, 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, $260 million and $321 million; Trading assets, $114 million and $293 million; Securities available for sale, $2.8 billion and $3.3 billion; Mortgages held for sale, $469 million and $444 million; Net loans, $10.6 billion and $12.0 billion; Other assets, $457 million and $1.9 billion, and Total assets, $14.6 billion and $18.2 billion, respectively.
[2] Our consolidated liabilities at December 31, 2012 and December 31, 2011, include the following VIE liabilities for which the VIE creditors do not have recourse to Wells Fargo: Short-term borrowings, $0 and $24 million; Accrued expenses and other liabilities, $134 million and $175 million; Long-term debt, $3.5 billion and $4.9 billion; and Total liabilities, $3.6 billion and $5.1 billion, respectively.