Cash and Cash Equivalents (Tables)

12 Months Ended

Dec. 31, 2020

Cash and Cash Equivalents [Abstract]

Cash and Cash Equivalents

The following table details our cash and cash equivalents at December 31, 2020 and December 31, 2019:

(Dollars in thousands)	December 31, 2020		December 31, 2019
Cash and due from banks (1)	$	17,447,916	$	6,492,443
Securities purchased under agreements to resell (2)	226,847		289,340
Total cash and cash equivalents	$	17,674,763	$	6,781,783

(1)At December 31, 2020 and 2019, $13.7 billion and $3.7 billion, respectively, of our cash and due from banks was deposited at the FRB and was earning interest at the Federal Funds target rate, and interest-earning deposits in other financial institutions were $3.0 billion and $2.1 billion, respectively.

(2)At December 31, 2020 and 2019, securities purchased under agreements to resell were collateralized by U.S. Treasury securities and U.S. agency securities with aggregate fair values of $232 million and $295 million, respectively. None of these securities were sold or repledged as of December 31, 2020 and 2019.

Securities Purchased Under Agreements to Resell

Additional information regarding our securities purchased under agreements to resell for 2020 and 2019 are as follows:

	Year ended December 31,
(Dollars in thousands)	2020		2019
Average securities purchased under agreements to resell	$	149,385	$	166,205
Maximum amount outstanding at any month-end during the year	450,164		613,247