Consolidated Statement of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013
Cash Flows from Operating Activities:
Net Income	$ 567.8		$ 561.6
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Investment Security Losses (Gains), net	3.3	[1]	1.9	[1]
Amortization and Accretion of Securities and Unearned Income, net	30.1		25.8
Provision for Credit Losses	3.0		15.0
Depreciation on Buildings and Equipment	68.0		69.5
(Gains) Losses on Sale of Buildings and Equipment			(32.6)
Computer Software Write-Offs	9.5
Pension Plan Contributions	(13.9)		(16.4)
Change in Receivables	42.1		(27.9)
Change in Interest Payable	(2.9)		(14.7)
Change in Collateral With Derivative Counterparties, net	163.1		111.0
Other Operating Activities, net	220.8		99.7
Net Cash Provided by Operating Activities	1,273.5		960.9
Cash Flows from Investing Activities:
Net Change in Federal Funds Sold and Securities Purchased under Agreements to Resell	(480.4)		(223.8)
Change in Interest-Bearing Deposits with Banks	3,498.1		1,150.7
Net Change in Federal Reserve Deposits	(8,416.5)		(833.2)
Purchases of Securities - Held to Maturity	(5,596.9)		(5,068.8)
Proceeds from Maturity and Redemption of Securities - Held to Maturity	3,505.4		4,515.8
Purchases of Securities - Available for Sale	(8,969.2)		(5,333.4)
Proceeds from Sale, Maturity and Redemption of Securities - Available for Sale	9,254.9		6,359.2
Change in Loans and Leases	(1,352.0)		387.6
Purchases of Buildings and Equipment	(51.0)		(43.8)
Proceeds from Sale of Buildings			38.8
Purchases and Development of Computer Software	(235.2)		(203.8)
Change in Client Security Settlement Receivables	(181.8)		416.7
Other Investing Activities, net	(41.3)		(652.0)
Net Cash (Used in) Provided by Investing Activities	(9,065.9)		510.0
Cash Flows from Financing Activities:
Change in Deposits	8,556.6		(2,845.7)
Change in Federal Funds Purchased	(178.7)		273.4
Change in Securities Sold under Agreements to Repurchase	(50.5)		(230.8)
Change in Short-Term Other Borrowings	33.4		1,382.4
Repayments of Senior Notes and Long-Term Debt	(638.7)		(803.2)
Contingent Consideration Liability Payment	(55.3)
Proceeds from Issuance of Preferred Stock - Series C	388.5
Treasury Stock Purchased	(315.2)		(186.8)
Net Proceeds from Stock Options	122.0		134.1
Cash Dividends Paid on Common Stock	(225.4)		(146.3)
Other Financing Activities, net	(145.6)		(2.9)
Net Cash Provided by (Used in) Financing Activities	7,491.1		(2,425.8)
Effect of Foreign Currency Exchange Rates on Cash	57.8		(107.1)
Decrease in Cash and Due from Banks	(243.5)		(1,062.0)
Cash and Due from Banks at Beginning of Year	3,162.4		3,752.7
Cash and Due from Banks at End of Period	2,918.9		2,690.7
Supplemental Disclosures of Cash Flow Information:
Interest Paid	146.4		185.0
Income Taxes Paid	159.7		184.2
Transfers from Loans to OREO	10.0		16.4
Computer Software
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Amortization of Intangibles	167.9		152.5
Other Intangible Assets
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Amortization of Intangibles	$ 14.7		$ 15.5

[1] Changes in Other-Than-Temporary-Impairment (OTTI) Losses $ - $ - $ (4.6 ) $ - Noncredit-related OTTI Losses Recorded in/(Reclassified from) OCI - - 0.7 - Other Security Gains (Losses), net 0.3 (2.2 ) 0.6 (1.9 ) Investment Security Gains (Losses), net $ 0.3 $ (2.2 ) $ (3.3 ) $ (1.9 )