Annual report pursuant to Section 13 and 15(d)

Securitizations and Other Variable Interest Entities - First Lien Mortgages (Details)

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Securitizations and Other Variable Interest Entities - First Lien Mortgages (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Consumer Mortgage [Member]
    
In Text Details [Abstract]    
Servicing Fee And Ancillary Fee Income $ 2,900,000,000 $ 4,700,000,000
Servicing Advance 14,100,000,000 23,200,000,000
First-Lien Mortgages [Member]
    
Table Details [Abstract]    
Gain on Sale of Mortgage Loans 2,000,000,000 2,000,000,000
In Text Details [Abstract]    
Loans repurchased from investors and securitization trusts 10,800,000,000 9,200,000,000
First-Lien Mortgages [Member] | Residential Mortgage Backed Securities [Member]
    
In Text Details [Abstract]    
Transfers of Financial Assets Accounted for as Sale, Initial Fair Value of Assets Obtained as Proceeds 3,300,000,000 3,200,000,000
First-Lien Mortgages [Member] | Agency MBS [Member]
    
Securitizations Related Information [Abstract]    
Cash proceeds from new securitizations 49,888,000,000 [1] 39,526,000,000 [1]
Gain (loss) on securitizations 81,000,000 [2] (212,000,000) [2]
First-Lien Mortgages [Member] | Commercial Mortgage Backed Securities [Member]
    
Securitizations Related Information [Abstract]    
Cash proceeds from new securitizations 5,326,000,000 [1] 2,664,000,000 [1]
Gain (loss) on securitizations $ 119,000,000 [2] $ 65,000,000 [2]
[1] The Corporation sells residential mortgage loans to GSEs in the normal course of business and receives MBS in exchange which may then be sold into the market to third-party investors for cash proceeds.
[2] Substantially all of the first-lien residential and commercial mortgage loans securitized are initially classified as LHFS and accounted for under the fair value option. As such, gains are recognized on these LHFS prior to securitization. The Corporation recognized $2.0 billion of gains, net of hedges, on loans securitized during both 2013 and 2012.