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Cash and Cash Equivalents
 12 Months Ended
Dec. 31, 2022
Cash and Cash Equivalents [Abstract]  
Cash and Cash Equivalents Cash and Cash Equivalents
The following table details our cash and cash equivalents as of December 31, 2022, and December 31, 2021:
December 31,
(Dollars in millions)20222021
Cash and due from banks $1,293 $2,168 
Interest-bearing deposits with the FRB7,823 5,686 
Interest-bearing deposits with other institutions3,965 5,773 
Securities purchased under agreements to resell (1)722 607 
Other short-term investment securities— 352 
Total cash and cash equivalents$13,803 $14,586 
(1)At December 31, 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 $734 million and $620 million, respectively. None of these securities were sold or repledged as of December 31, 2022, and December 31, 2021.

Additional information regarding our securities purchased under agreements to resell for 2022 and 2021 are as follows:
Year ended December 31,
(Dollars in millions)20222021
Average securities purchased under agreements to resell$290 $286 
Maximum amount outstanding at any month-end during the year721 762