Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2017

Selected financial information pertaining to the components of our short-term borrowings is as follows:



December 31,
dollars in millions	2017			2016			2015
FEDERAL FUNDS PURCHASED
Balance at year end	$	3		$	1,005		$	20
Average during the year	128			44			195
Maximum month-end balance	2,331			1,005			678
Weighted-average rate during the year ^(a)	.72		%	.68		%	.14		%
Weighted-average rate at December 31^(a)	—			.55			.05
SECURITIES SOLD UNDER REPURCHASE AGREEMENTS
Balance at year end	$	374		$	497		$	352
Average during the year	389			443			437
Maximum month-end balance	472			684			589
Weighted-average rate during the year ^(a)	.08		%	.04		%	.00		%
Weighted-average rate at December 31^(a)	.08			.07			.00
OTHER SHORT-TERM BORROWINGS
Balance at year end	$	634		$	808		$	533
Average during the year	1,140			852			572
Maximum month-end balance	1,242			872			1,122
Weighted-average rate during the year ^(a)	1.34		%	1.18		%	1.52		%
Weighted-average rate at December 31^(a)	2.01			1.11			1.78


(a)	Rates exclude the effects of interest rate swaps and caps, which modify the repricing characteristics of certain short-term borrowings. For more information about such financial instruments, see Note 9 (“Derivatives and Hedging Activities”).