Consolidated Statements of Shareholders' Equity (USD $) In Millions, except Share data, unless otherwise specified		Total USD ($)		Preferred Stock [Member] USD ($)	Common Stock [Member] USD ($)	Additional Paid-in Capital [Member] USD ($)	Retained Earnings [Member] USD ($)	Treasury Stock and Other USD ($)		Accumulated Other Comprehensive Income (Loss) [Member] USD ($)		Common Stock [Member]	Ridgeworth Capital Management [Member] USD ($)	Ridgeworth Capital Management [Member] Additional Paid-in Capital [Member] USD ($)	Ridgeworth Capital Management [Member] Treasury Stock and Other USD ($)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, beginning of period at Dec. 31, 2012		$ 20,985		$ 725	$ 550	$ 9,174	$ 10,817	$ (590)	[1]	$ 309	[2]
Common Stock, Shares, Outstanding, beginning of period at Dec. 31, 2012					539,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss) Attributable to Parent		918					918
Other Comprehensive Income (Loss), Net of Tax		(625)								(625)	[2]
Noncontrolling Interest, Period Increase (Decrease)		2						2	[1]
Dividends, Common Stock, Cash		(134)					(134)
Dividends, Preferred Stock, Cash	[3]	(28)					(28)
Treasury Stock, Shares, Acquired												(3,000,000)
Treasury Stock, Value, Acquired, Cost Method		(100)						(100)	[1]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period												1,000,000
Stock Issued During Period, Value, Stock Options Exercised		16				(24)		40	[1]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures												1,000,000
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures		5				(35)		40	[1]
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition		24						24	[1]
Stock Issued During Period, Value, Employee Benefit Plan		7				2		5	[1]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, end of period at Sep. 30, 2013		21,070		725	550	9,117	11,573	(579)	[1]	(316)	[2]
Common Stock, Shares, Outstanding, end of period at Sep. 30, 2013					538,000,000
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, beginning of period at Dec. 31, 2013		21,422		725	550	9,115	11,936	(615)	[1]	(289)	[2]
Common Stock, Shares, Outstanding, beginning of period at Dec. 31, 2013		536,097,000	[4]		536,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss) Attributable to Parent		1,380					1,380
Other Comprehensive Income (Loss), Net of Tax		112								112	[2]
Dividends, Common Stock, Cash		(266)					(266)
Dividends, Preferred Stock, Cash	[3]	(28)					(28)
Treasury Stock, Shares, Acquired												(9,000,000)
Treasury Stock, Value, Acquired, Cost Method		(348)						(348)	[1]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period												0
Stock Issued During Period, Value, Stock Options Exercised		1				(14)		15	[1]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures												0
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures		12				13	(2)	1	[1]
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition		21						21	[1]
Stock Issued During Period, Value, Employee Benefit Plan		2				(1)		3	[1]				(39)	(23)	(16)	[1]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, end of period at Sep. 30, 2014		$ 22,269		$ 725	$ 550	$ 9,090	$ 13,020	$ (939)	[1]	$ (177)	[2]
Common Stock, Shares, Outstanding, end of period at Sep. 30, 2014		527,358,000	[4]		527,000,000

[1] At September 30, 2014, includes ($1,015) million for treasury stock, ($27) million for compensation element of restricted stock, and $103 million for noncontrolling interest.At September 30, 2013, includes ($636) million for treasury stock, ($59) million for compensation element of restricted stock, and $116 million for noncontrolling interest.

[2] At September 30, 2014, includes $169 million in unrealized net gains on AFS securities, $111 million in unrealized net gains on derivative financial instruments, and ($457) million related to employee benefit plans. At September 30, 2013, includes $54 million in unrealized net gains on AFS securities, $342 million in unrealized net gains on derivative financial instruments, and ($712) million related to employee benefit plans.

[3] For the nine months ended September 30, 2014, dividends were $3,044 per share for both Perpetual Preferred Stock Series A and B and $4,406 per share for Perpetual Preferred Stock Series E.For the nine months ended September 30, 2013, dividends were $3,044 per share for both Perpetual Preferred Stock Series A and B and $4,325 per share for Perpetual Preferred Stock Series E.

[4] Includes restricted shares of 2,993 thousand and 3,984 thousand at September 30, 2014 and December 31, 2013, respectively.