Consolidated Condensed Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Interest income:
Interest and fees on loans	$ 151,314		$ 161,117		$ 304,599		$ 322,694
Interest on investment securities	20,664		25,971		41,526		52,277
Interest on loans held-for-sale	3,169		3,628		6,671		7,366
Interest on trading securities	8,770		9,622		17,051		19,058
Interest on other earning assets	74		397		543		843
Total interest income	183,991		200,735		370,390		402,238
Interest on deposits:
Savings	3,689		4,744		8,086		10,363
Time deposits	4,064		5,541		8,281		11,457
Other interest-bearing deposits	1,013		1,655		2,158		3,173
Certificates of deposit $100,000 and more	1,550		2,305		3,111		4,611
Interest on trading liabilities	3,354		2,843		6,550		5,358
Interest on short-term borrowings	1,156		1,150		2,462		2,515
Interest on term borrowings	9,146		9,822		18,341		20,157
Total interest expense	23,972		28,060		48,989		57,634
Net interest income	160,019		172,675		321,401		344,604
Provision for loan losses	15,000		15,000		30,000		23,000
Net interest income after provision for loan losses	145,019		157,675		291,401		321,604
Noninterest income:
Capital markets	69,265		74,913		148,428		181,656
Deposit transactions and cash management	28,254		30,123		55,910		58,864
Brokerage, management fees and commissions	10,540		8,759		19,888		17,255
Trust services and investment management	6,950		6,477		13,278		12,285
Mortgage banking	5,589		9,889		14,962		33,230
Insurance commissions	730		830		1,330		1,398
Equity securities gains/(losses), net	4		5,065		28		5,065
Debt securities gains/(losses), net	(355)		0		(355)		328
Gain on divestiture	0		0		0		200
All other income and commissions (Note 7)	21,655		22,851		45,590		51,067
Total noninterest income	142,632		158,907		299,059		361,348
Adjusted gross income after provision for loan losses	287,651		316,582		590,460		682,952
Noninterest expense:
Employee compensation, incentives, and benefits (three and six months ended June 30, 2013, include $2.9 million and $5.4 million, respectively, of expense associated with pension and post-retirement plans reclassified from accumulated other comprehensive income)	130,500		149,616		269,684		325,074
Legal and professional fees	14,065		8,417		25,236		14,484
Occupancy	11,785		11,486		24,607		23,605
Computer software	9,608		9,960		19,684		19,425
Operations services	8,842		9,477		16,912		18,604
Contract employment and outsourcing	8,581		10,844		17,620		21,959
Equipment rentals, depreciation, and maintenance	7,597		7,789		15,417		15,405
FDIC premium expense	5,037		6,801		11,048		13,137
Communications and courier	4,531		4,484		8,968		8,983
Foreclosed real estate	1,287		1,908		2,726		6,078
Miscellaneous loan costs	1,163		1,298		2,159		2,625
Amortization of intangible assets	928		979		1,856		1,952
Repurchase and foreclosure provision	0		250,000		0		299,256
All other expense (Note 7)	23,484		54,118		52,031		78,584
Total noninterest expense	227,408		527,177		467,948		849,171
Income/(loss) before income taxes	60,243		(210,595)		122,512		(166,219)
Provision/(benefit) for income taxes (three and six months ended June 30, 2013, include $1.1 million and $2.1 million, respectively, of income tax benefit reclassified from accumulated other comprehensive income)	15,008		(88,178)		32,738		(77,608)
Income/(loss) from continuing operations	45,235		(122,417)		89,774		(88,611)
Income/(loss) from discontinued operations, net of tax	1	[1]	487	[1]	431	[1]	52	[1]
Net income/(loss)	45,236		(121,930)		90,205		(88,559)
Net income attributable to noncontrolling interest	2,843		2,844		5,656		5,688
Net income/(loss) attributable to controlling interest	42,393		(124,774)		84,549		(94,247)
Preferred stock dividends	1,550		0		2,738		0
Net income/(loss) available to common shareholders	$ 40,843		$ (124,774)		$ 81,811		$ (94,247)
Basic earnings/(loss) per share from continuing operations (Note 9)	$ 0.17		$ (0.50)		$ 0.34		$ (0.38)
Diluted earnings/(loss) per share from continuing operations (Note 9)	$ 0.17		$ (0.50)		$ 0.34		$ (0.38)
Basic earnings/(loss) per share (Note 9)	$ 0.17		$ (0.50)		$ 0.34		$ (0.38)
Diluted earnings/(loss) per share (Note 9)	$ 0.17		$ (0.50)		$ 0.34		$ (0.38)
Weighted average common shares (Note 9)	239,248		249,104		240,055		251,317
Diluted average common shares (Note 9)	240,891		249,104		241,859		251,317

[1] Due to the nature of the preferred stock issued by FHN and its subsidiaries, all components of Income/(loss) from discontinued operations, net of tax have been attributed solely to FHN as the controlling interest holder.