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Other Securities
12 Months Ended
Dec. 31, 2019
Banking and Thrift, Interest [Abstract]  
Other Securities  OTHER SECURITIES
Following is a summary of non-marketable equity securities:
TABLE 4.1
December 31
2019
 
2018
(in millions)
 
 
 
Federal Home Loan Bank stock
$
256

 
$
209

Federal Reserve Bank stock
123

 
122

Other non-marketable equity securities
1

 
1

Total non-marketable equity securities
$
380

 
$
332


We are a member of the FHLB of Pittsburgh and the FRB of Cleveland. Both institutions require members to purchase and hold a specified minimum level of stock based upon their membership, level of borrowings, collateral balances or participation in other programs. The FHLB and FRB stock is restricted in that they can only be sold back to the respective institutions. These non-marketable equity securities are included in other assets on the Consolidated Balance Sheets. The investments are carried at cost and evaluated for impairment periodically based on the ultimate recoverability of the par value. We determined there was no impairment at December 31, 2019 and 2018.