Net Interest Income (Tables)

9 Months Ended

Sep. 30, 2017

Banking and Thrift [Abstract]

Components of Interest Revenue and Interest Expense

The following table presents the components of interest income and interest expense, and related NII, for the periods indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
(In millions)	2017		2016		2017		2016
Interest income:
Deposits with banks	$	45	$	29	$	121	$	101
Investment securities:
U.S. Treasury and federal agencies	207		200		627		620
State and political subdivisions	56		55		171		162
Other investments	173		208		495		581
Securities purchased under resale agreements	74		40		189		112
Loans and leases	139		97		362		281
Other interest-earning assets	67		18		146		39
Total interest income	761		647		2,111		1,896
Interest expense:
Deposits	39		20		96		73
Securities sold under repurchase agreements	1		—		2		1
Short-term borrowings	3		2		7		4
Long-term debt	78		68		227		191
Other interest-bearing liabilities	37		20		91		57
Total interest expense	158		110		423		326
Net interest income	$	603	$	537	$	1,688	$	1,570