Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Components of Short-Term Borrowings

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

December 31,
dollars in millions	2014			2013			2012
FEDERAL FUNDS PURCHASED
Balance at year end	$	18		$	18		$	8
Average during the year		32			164			111
Maximum month-end balance		36			1,486			613
Weighted-average rate during the year		.10	%		.09	%		.14	%
Weighted-average rate at December 31		.08			.10			.15
SECURITIES SOLD UNDER REPURCHASE AGREEMENTS
Balance at year end	$	557		$	1,516		$	1,601
Average during the year		1,150			1,638			1,703
Maximum month-end balance		1,519			2,099			2,455
Weighted-average rate during the year		.16	%		.13	%		.19	%
Weighted-average rate at December 31		.01			.15			.14
OTHER SHORT-TERM BORROWINGS
Balance at year end	$	423		$	343		$	287
Average during the year		597			394			413
Maximum month-end balance		996			466			599
Weighted-average rate during the year		1.49	%		1.89	%		1.69	%
Weighted-average rate at December 31		1.58			2.00			1.81