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Component: (Network and Table)
Network
041401 - Disclosure - Components of Other Comprehensive Income/(loss) (Schedule of Changes in AOCI) (Details)
(http://firsthorizon.com/role/ComponentsOfOtherComprehensiveIncomelossScheduleOfChangesInAOCIDetails)
TableAccumulated Other Comprehensive Income Loss [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000036966 (http://www.sec.gov/CIK)
Accumulated Other Comprehensive Income Loss [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Other Comprehensive Income Location [Axis]Other Comprehensive Income Location [Axis]Other Comprehensive Income Location [Axis]
Securities AFSCash Flow HedgesPension and Postretirement PlansOther Comprehensive Income Location [Domain]Securities AFSCash Flow HedgesPension and Postretirement PlansOther Comprehensive Income Location [Domain]Securities AFSCash Flow HedgesPension and Postretirement PlansOther Comprehensive Income Location [Domain]
Beginning Balance
3,394,000  
0  
(217,586,000) 
(214,192,000) 
18,581,000  
0  
(206,827,000) 
(188,246,000) 
(11,241,000) 
0  
(138,768,000) 
(150,009,000) 
Net unrealized gains/(losses)
(19,709,000) 
130,000  
(16,322,000) 
(35,901,000) 
(14,055,000) 
0  
(11,117,000) 
(25,172,000) 
29,822,000  
0  
(71,173,000) 
(41,351,000) 
Amounts reclassifed from AOCI
(917,000) 
(1,395,000) 
4,751,000  
2,439,000  
(1,132,000) 
0  
358,000  
(774,000) 
0  
0  
3,114,000  
3,114,000  
Other comprehensive income/(loss)
(20,626,000) 
 
(1,265,000) 
 
(11,571,000) 
 
(33,462,000) 
 
(15,187,000) 
 
0  
 
(10,759,000) 
 
(25,946,000) 
 
29,822,000  
 
0  
 
(68,059,000) 
 
(38,237,000) 
 
Ending Balance
(17,232,000) 
 
(1,265,000) 
 
(229,157,000) 
 
(247,654,000) 
 
3,394,000  
 
0  
 
(217,586,000) 
 
(214,192,000) 
 
18,581,000  
 
0  
 
(206,827,000) 
 
(188,246,000)