Cash and Cash Equivalents

9 Months Ended

Sep. 30, 2021

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, 2021 and December 31, 2020:

(Dollars in millions)	September 30, 2021		December 31, 2020
Cash and due from banks	$	1,185	$	723
Interest bearing deposits with the Federal Reserve Bank	12,406		13,700
Interest bearing deposits with other institutions	5,106		3,025
Securities purchased under agreements to resell (1)	216		227
Other short-term investment securities	27		—
Total cash and cash equivalents	$	18,940	$	17,675

(1)At September 30, 2021 and December 31, 2020, securities purchased under agreements to resell were collateralized by U.S. Treasury securities and U.S. agency securities with aggregate fair values of $221 million and $232 million, respectively. None of these securities were sold or repledged as of September 30, 2021 and December 31, 2020.