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Cash and Cash Equivalents
9 Months Ended
Sep. 30, 2022
Cash and Cash Equivalents [Abstract]  
Cash and Cash Equivalents Cash and Cash Equivalents
The following table details our cash and cash equivalents at September 30, 2022 and December 31, 2021:
(Dollars in millions)September 30, 2022December 31, 2021
Cash and due from banks $1,411 $2,168 
Interest bearing deposits with the Federal Reserve Bank7,550 5,686 
Interest bearing deposits with other institutions4,610 5,773 
Securities purchased under agreements to resell (1)397 607 
Other short-term investment securities— 352 
Total cash and cash equivalents$13,968 $14,586 
(1)At September 30, 2022 and December 31, 2021, securities purchased under agreements to resell were collateralized by U.S. Treasury securities and U.S. agency securities with aggregate fair values of $402 million and $620 million, respectively. None of these securities were sold or repledged as of September 30, 2022 and December 31, 2021.