XML 94 R35.htm IDEA: XBRL DOCUMENT v3.20.1
Mortgage Loans Held for Portfolio (Tables)
 12 Months Ended
Dec. 31, 2019
Receivables [Abstract]  
Mortgage Loans Held for Portfolio
The following table presents information on the Bank’s mortgage loans held for portfolio (dollars in millions):
 
December 31,
 
2019
 
2018
Fixed rate, long-term single-family mortgage loans
$
8,192

 
$
6,860

Fixed rate, medium-term1 single-family mortgage loans
1,016

 
874

Total unpaid principal balance
9,208

 
7,734

Premiums
125

 
105

Discounts
(4
)
 
(5
)
Basis adjustments from mortgage loan purchase commitments
6

 
2

Total mortgage loans held for portfolio
$
9,335

 
$
7,836

Allowance for credit losses
(1
)
 
(1
)
Total mortgage loans held for portfolio, net
$
9,334

 
$
7,835




1
Medium-term is defined as a term of 15 years or less.

The following table presents the Bank’s mortgage loans held for portfolio by collateral or guarantee type (dollars in millions):
 
December 31,
 
2019
 
2018
Conventional mortgage loans
$
8,712

 
$
7,231

Government-insured mortgage loans
496

 
503

Total unpaid principal balance
$
9,208

 
$
7,734