Consolidated Condensed Statements of Income (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Interest income:
Interest and fees on loans	$ 144,675,000		$ 149,698,000		$ 426,042,000		$ 454,297,000
Interest on investment securities available-for-sale	23,254,000		20,916,000		70,038,000		62,442,000
Interest on investment securities held-to-maturity	66,000		0		198,000		0
Interest on loans held-for-sale	3,263,000		3,058,000		9,687,000		9,729,000
Interest on trading securities	7,737,000		8,747,000		23,529,000		25,798,000
Interest on other earning assets	(137,000)		191,000		307,000		734,000
Total interest income	178,858,000		182,610,000		529,801,000		553,000,000
Interest on deposits:
Savings	2,600,000		3,471,000		8,475,000		11,557,000
Time deposits	1,786,000		4,013,000		7,334,000		12,294,000
Other interest-bearing deposits	754,000		817,000		2,318,000		2,975,000
Certificates of deposit $100,000 and more	685,000		1,658,000		2,577,000		4,769,000
Interest on trading liabilities	3,782,000		3,632,000		11,440,000		10,182,000
Interest on short-term borrowings	1,265,000		1,103,000		3,565,000		3,565,000
Interest on term borrowings	8,445,000		9,078,000		25,424,000		27,419,000
Total interest expense	19,317,000		23,772,000		61,133,000		72,761,000
Net interest income	159,541,000		158,838,000		468,668,000		480,239,000
Provision for loan losses	6,000,000		10,000,000		21,000,000		40,000,000
Net interest income after provision for loan losses	153,541,000		148,838,000		447,668,000		440,239,000
Noninterest income:
Capital markets	47,589,000		64,283,000		152,109,000		212,711,000
Mortgage banking	41,559,000		14,460,000		69,449,000		29,422,000
Deposit transactions and cash management	28,546,000		29,279,000		82,913,000		85,189,000
Brokerage, management fees and commissions	12,333,000		10,868,000		37,452,000		30,756,000
Trust services and investment management	6,779,000		6,649,000		20,832,000		19,927,000
Bankcard income	5,521,000		5,303,000		17,960,000		15,484,000
Bank-owned life insurance	3,547,000		3,560,000		12,891,000		12,978,000
Other service charges	3,064,000		3,707,000		9,052,000		10,296,000
Insurance commissions	593,000		733,000		1,641,000		2,063,000
Gain on divestiture	0		115,000		0		115,000
Debt securities gains/(losses), net	0		(96,000)		0		(451,000)
Equity securities gains/(losses), net	(862,000)		0		2,872,000		28,000
All other income and commissions (Note 8)	9,146,000		11,614,000		23,275,000		31,016,000
Total noninterest income	157,815,000		150,475,000		430,446,000		449,534,000
Adjusted gross income after provision for loan losses	311,356,000		299,313,000		878,114,000		889,773,000
Noninterest expense:
Employee compensation, incentives, and benefits (three and nine months ended September 30, 2014, include $.9 million and $2.6 million, respectively, and three and nine months ended September 30, 2013, include $2.7 million and $8.1 million, respectively, of expense associated with pension and post-retirement plans reclassified from accumulated other comprehensive income)	120,742,000		132,213,000		359,630,000		401,897,000
Occupancy	12,405,000		13,147,000		41,941,000		37,754,000
Computer software	10,614,000		10,446,000		32,357,000		30,130,000
Legal and professional fees	10,463,000		12,704,000		31,653,000		37,940,000
Operations services	9,044,000		9,199,000		26,830,000		26,111,000
Equipment rentals, depreciation, and maintenance	7,150,000		7,890,000		22,441,000		23,307,000
Contract employment and outsourcing	5,199,000		9,241,000		14,842,000		26,861,000
Advertising and public relations	4,386,000		5,486,000		14,606,000		13,554,000
Communications and courier	3,628,000		4,517,000		11,800,000		13,485,000
FDIC premium expense	3,456,000		4,631,000		8,583,000		15,679,000
Amortization of intangible assets	982,000	[1]	928,000	[1]	2,945,000	[1]	2,784,000	[1]
Foreclosed real estate	788,000		523,000		2,011,000		3,249,000
Repurchase and foreclosure provision	(4,300,000)		200,000,000		(4,300,000)		200,000,000
All other expense (Note 8)	61,629,000		22,631,000		66,393,000		68,753,000
Total noninterest expense	246,186,000		433,556,000		631,732,000		901,504,000
Income/(loss) before income taxes	65,170,000		(134,243,000)		246,382,000		(11,731,000)
Provision/(benefit) for income taxes (three and nine months ended September 30, 2014, include $.3 million and $1.0 million, respectively, and three and nine months ended September 30, 2013, include $1.0 million and $3.1 million, respectively, of income tax benefit reclassified from accumulated other comprehensive income)	15,421,000		(31,094,000)		66,223,000		1,644,000
Income/(loss) from continuing operations	49,749,000		(103,149,000)		180,159,000		(13,375,000)
Income/(loss) from discontinued operations, net of tax	0	[2]	123,000	[2]	0	[2]	554,000	[2]
Net income/(loss)	49,749,000		(103,026,000)		180,159,000		(12,821,000)
Net income attributable to noncontrolling interest	2,875,000		2,875,000		8,547,000		8,531,000
Net income/(loss) attributable to controlling interest	46,874,000		(105,901,000)		171,612,000		(21,352,000)
Preferred stock dividends	1,550,000		1,550,000		4,650,000		4,288,000
Net income/(loss) available to common shareholders	$ 45,324,000		$ (107,451,000)		$ 166,962,000		$ (25,640,000)
Basic earnings/(loss) per share from continuing operations (Note 10)	$ 0.19		$ (0.45)		$ 0.71		$ (0.11)
Diluted earnings/(loss) per share from continuing operations (Note 10)	$ 0.19		$ (0.45)		$ 0.7		$ (0.11)
Basic earnings/(loss) per share (Note 10)	$ 0.19		$ (0.45)		$ 0.71		$ (0.11)
Diluted earnings/(loss) per share (Note 10)	$ 0.19		$ (0.45)		$ 0.7		$ (0.11)
Weighted average common shares (Note 10)	235,329		236,895		235,437		238,990
Diluted average common shares (Note 10)	236,862		236,895		237,169		238,990

[1] Represents customer lists, acquired contracts, core deposit intangibles, and covenants not to compete.

[2] 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.