Consolidated Statement of Changes in Stockholders' Equity (USD $) In Millions	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Balance at Dec. 31, 2012			$ 408.6	$ 1,012.7	$ 6,702.7	$ (283.0)	$ (314.0)
Net Unrealized Gains (Losses) on Securities Available for Sale	(74.4)					(74.4)
Stock Options and Awards				(41.2)			175.6
Net Income	561.6				561.6
Net Unrealized Gains (Losses) on Cash Flow Hedges	1.2					1.2
Stock Options and Awards - Amortization				57.4
Dividends Declared - Common Stock					(224.2)
Stock Purchased							(187.1)
Foreign Currency Translation Adjustments	(2.8)					(2.8)
Stock Options and Awards - Tax Benefits				2.9
Pension and Other Postretirement Benefit Adjustments	21.1					21.1
Balance at Sep. 30, 2013	7,817.1		408.6	1,031.8	7,040.1	(337.9)	(325.5)
Balance at Dec. 31, 2013	7,912.0		408.6	1,035.7	7,134.8	(244.3)	(422.8)
Net Unrealized Gains (Losses) on Securities Available for Sale	32.3					32.3
Stock Options and Awards				(55.0)			177.0
Net Income	567.8				567.8
Issuance of Preferred Stock, Series C		388.5
Net Unrealized Gains (Losses) on Cash Flow Hedges	(6.4)					(6.4)
Stock Options and Awards - Amortization				60.4
Dividends Declared - Common Stock					(233.2)
Stock Purchased							(315.2)
Foreign Currency Translation Adjustments	(10.5)					(10.5)
Stock Options and Awards - Tax Benefits				14.4
Pension and Other Postretirement Benefit Adjustments	10.5					10.5
Balance at Sep. 30, 2014	$ 8,542.6	$ 388.5	$ 408.6	$ 1,055.5	$ 7,469.4	$ (218.4)	$ (561.0)