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Other Securities (Tables)
 12 Months Ended
Dec. 31, 2020
Banking and Thrift, Interest [Abstract]  
Schedule of Other Securities
Following is a summary of non-marketable equity securities:
TABLE 4.1
December 3120202019
(in millions)
Federal Home Loan Bank stock$154 $256 
Federal Reserve Bank stock124 123 
Other non-marketable equity securities— 1 
Total non-marketable equity securities$278 $380