Short-term Borrowings

12 Months Ended

Dec. 31, 2015

SHORT-TERM BORROWINGS

Federal funds purchased and securities sold under agreements to repurchase generally mature within one to four days from the transaction date. Other short-term borrowings, which may consist of borrowed securities and short-term notes, generally mature within one to 120 days from the transaction date.

At December 31, 2015, Comerica Bank (the Bank), a subsidiary of the Corporation, had pledged loans totaling $24 billion which provided for up to $18 billion of available collateralized borrowing with the FRB.

The following table provides a summary of short-term borrowings.



(dollar amounts in millions)	Federal Funds Purchased and Securities Sold Under Agreements to Repurchase
December 31, 2015
Amount outstanding at year-end	$	23
Weighted average interest rate at year-end	0.38		%
Maximum month-end balance during the year	$	109
Average balance outstanding during the year	93
Weighted average interest rate during the year	0.05		%
December 31, 2014
Amount outstanding at year-end	$	116
Weighted average interest rate at year-end	0.04		%
Maximum month-end balance during the year	$	238
Average balance outstanding during the year	200
Weighted average interest rate during the year	0.04		%
December 31, 2013
Amount outstanding at year-end	$	253
Weighted average interest rate at year-end	0.05		%
Maximum month-end balance during the year	$	277
Average balance outstanding during the year	211
Weighted average interest rate during the year	0.07		%