Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
ASSETS
Cash and Due from Banks	$ 4,584.4	$ 4,389.5
Federal Reserve and Other Central Bank Deposits	46,911.4	55,503.6
Interest-Bearing Deposits with Banks	5,142.8	4,372.6
Federal Funds Sold	0.1	0.0
Securities Purchased under Agreements to Resell	1,109.3	1,596.5
Debt Securities
Available for Sale (Amortized cost of $42,508.6 and $41,155.7)	42,878.6	42,022.0
Held to Maturity	17,136.4	17,791.1
Trading Account	0.4	0.5
Total Debt Securities	60,015.4	59,813.6
Loans and Leases
TOTAL LOANS AND LEASES	34,344.3	33,759.7
Allowance for Credit Losses	(175.7)	(198.8)
Buildings and Equipment	496.7	514.9
Client Security Settlement Receivables	1,970.2	1,160.2
Goodwill	704.0	707.2
Other Assets	8,821.2	8,384.9
Total Assets	163,924.1	170,003.9
Deposits
Demand and Other Noninterest-Bearing	18,863.1	17,728.5
Savings, Money Market and Other Interest-Bearing	27,322.9	28,631.8
Savings Certificates and Other Time	909.7	937.1
Non U.S. Offices — Noninterest-Bearing	26,615.2	25,382.2
Non U.S. Offices — Interest-Bearing	63,746.5	71,198.4
Total Deposits	137,457.4	143,878.0
Federal Funds Purchased	0.2	260.2
Securities Sold Under Agreements to Repurchase	95.6	39.8
Other Borrowings	5,428.4	4,011.5
Senior Notes	2,991.2	3,122.4
Long-Term Debt	1,165.9	1,189.3
Floating Rate Capital Debt	277.8	277.8
Other Liabilities	5,049.7	5,536.6
Total Liabilities	152,466.2	158,315.6
STOCKHOLDERS' EQUITY
Common Stock	408.6	408.6
Additional Paid-In Capital	914.1	963.6
Retained Earnings	12,415.6	12,207.7
Accumulated Other Comprehensive Income (Loss)	65.9	428.0
Treasury Stock	(3,231.2)	(3,204.5)
Total Stockholders’ Equity	11,457.9	11,688.3
Total Liabilities and Stockholders’ Equity	163,924.1	170,003.9
Series D Preferred Stock
STOCKHOLDERS' EQUITY
Preferred Stock	493.5	493.5
Total Stockholders’ Equity	493.5	493.5
Series E Preferred Stock
STOCKHOLDERS' EQUITY
Preferred Stock	391.4	391.4
Total Stockholders’ Equity	391.4	391.4
Commercial
Loans and Leases
TOTAL LOANS AND LEASES	15,847.9	15,262.0
Personal
Loans and Leases
TOTAL LOANS AND LEASES	$ 18,496.4	$ 18,497.7