Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Summary of Short-Term Borrowings

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

	2020					2019					2018
(Dollars in Millions)	Amount		Rate			Amount		Rate			Amount		Rate
At year-end
Federal funds purchased	$	777		.08	%	$	828		1.45	%	$	458		2.05	%
Securities sold under agreements to repurchase		1,430		.16			1,165		1.41			2,582		2.20
Commercial paper		6,007		.01			7,576		1.07			6,940		1.35
Other short-term borrowings		3,552		1.51			14,154		1.94			4,159		2.68
Total	$	11,766		.49	%	$	23,723		1.62	%	$	14,139		1.92	%
Average for the year
Federal funds purchased	$	1,660		.35	%	$	1,457		1.94	%	$	1,070		1.70	%
Securities sold under agreements to repurchase		1,686		.50			1,770		2.00			2,279		1.87
Commercial paper		8,141		.26			8,186		1.45			6,929		.94
Other short-term borrowings		7,695		1.41			6,724		2.78			11,512		2.27
Total	$	19,182		.75	%	$	18,137		2.04	%	$	21,790		1.78	%
Maximum month-end balance
Federal funds purchased	$	2,811				$	3,629				$	4,532
Securities sold under agreements to repurchase		2,183					2,755					3,225
Commercial paper		9,514					9,431					7,846
Other short-term borrowings		20,569					14,154					16,588

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