Quarterly report pursuant to Section 13 or 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 $)
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Consumer Mortgage [Member]
          
In Text Details [Abstract]          
Servicing Fee And Ancillary Fee Income $ 454,000,000 $ 768,000,000 $ 948,000,000 $ 1,700,000,000  
Servicing Advance 10,900,000,000   10,900,000,000   14,100,000,000
First Lien Mortgages [Member]
          
Table Details [Abstract]          
Gain on Sale of Mortgage Loans 185,000,000 661,000,000 383,000,000 1,300,000,000  
In Text Details [Abstract]          
Transfers of Financial Assets Accounted for as Sale, Initial Fair Value of Assets Obtained as Proceeds 354,000,000 1,500,000,000 860,000,000 2,500,000,000  
Loans repurchased from investors and securitization trusts 1,100,000,000 3,100,000,000 2,400,000,000 6,200,000,000  
First Lien Mortgages [Member] | Agency MBS [Member]
          
Securitizations Related Information [Abstract]          
Cash proceeds from new securitizations 7,552,000,000 [1] 15,363,000,000 [1] 15,018,000,000 [1] 27,376,000,000 [1]  
Gain (loss) on securitizations (21,000,000) [2] 27,000,000 [2] (32,000,000) [2] 56,000,000 [2]  
First Lien Mortgages [Member] | Subprime Loan [Member]
          
Securitizations Related Information [Abstract]          
Cash proceeds from new securitizations 809,000,000 [1] 0 [1] 809,000,000 [1] 0 [1]  
Gain (loss) on securitizations 0 [2] 0 [2] 0 [2] 0 [2]  
First Lien Mortgages [Member] | Commercial Mortgage Backed Securities [Member]
          
Securitizations Related Information [Abstract]          
Cash proceeds from new securitizations 1,508,000,000 [1] 208,000,000 [1] 2,212,000,000 [1] 208,000,000 [1]  
Gain (loss) on securitizations $ 24,000,000 [2] $ 0 [2] $ 51,000,000 [2] $ 0 [2]  
[1] The Corporation transfers residential mortgage loans to securitizations sponsored by the GSEs or GNMA in the normal course of business and receives RMBS 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 $185 million and $383 million of gains, net of hedges, on loans securitized during the three and six months ended June 30, 2014 compared to $661 million and $1.3 billion for the same periods in 2013.