Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Summary of Short-Term Borrowings

The following table is a summary of short-term borrowings for the last three years:

	2019					2018					2017
(Dollars in Millions)	Amount		Rate			Amount		Rate			Amount		Rate
At year-end
Federal funds purchased	$	828		1.45	%	$	458		2.05	%	$	252		.77	%
Securities sold under agreements to repurchase		1,165		1.41			2,582		2.20			803		.61
Commercial paper		7,576		1.07			6,940		1.35			8,303		.68
Other short-term borrowings		14,154		1.94			4,159		2.68			7,293		2.13
Total	$	23,723		1.62	%	$	14,139		1.92	%	$	16,651		1.31	%
Average for the year
Federal funds purchased	$	1,457		1.94	%	$	1,070		1.70	%	$	528		.86	%
Securities sold under agreements to repurchase		1,770		2.00			2,279		1.87			917		.44
Commercial paper		8,186		1.45			6,929		.94			8,236		.49
Other short-term borrowings		6,724		2.78			11,512		2.27			5,341		1.90
Total	$	18,137		2.04	%	$	21,790		1.78	%	$	15,022		1.00	%
Maximum month-end balance
Federal funds purchased	$	3,629				$	4,532				$	600
Securities sold under agreements to repurchase		2,755					3,225					927
Commercial paper		9,431					7,846					9,950
Other short-term borrowings		14,154					16,588					7,293

(a) Interest and rates are presented on a fully taxable-equivalent basis utilizing a tax rate of 21 percent for 2019 and 2018 and 35 percent for 2017.