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Trading Assets and Liabilities (Tables)
 6 Months Ended
Jun. 30, 2014
Trading Assets And Liabilities [Abstract]  
Trading Assets and Liabilities
Trading assets and liabilities consisted of the following.
 
June 30, 2014
 
December 31, 2013
 
(in millions)
Trading assets:
 
 
 
U.S. Treasury
$
2,717

 
$
1,344

U.S. Government agency issued or guaranteed
20

 
19

U.S. Government sponsored enterprises(1)
115

 
159

Obligations of U.S. states and political subdivisions
27

 
25

Asset backed securities
494

 
481

Corporate and foreign bonds
6,931

 
9,099

Other securities
21

 
25

Precious metals
10,477

 
11,751

Derivatives
4,354

 
5,991

 
$
25,156

 
$
28,894

Trading liabilities:
 
 
 
Securities sold, not yet purchased
$
771

 
$
308

Payables for precious metals
3,037

 
3,826

Derivatives
5,007

 
6,741

 
$
8,815

 
$
10,875

 
(1) 
Includes mortgage backed securities of $88 million and $133 million issued or guaranteed by the Federal National Mortgage Association ("FNMA") and $27 million and $26 million issued or guaranteed by the Federal Home Loan Mortgage Corporation ("FHLMC") at June 30, 2014 and December 31, 2013, respectively.