Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net Income (Loss)	$ 84,438	$ (30,402)	$ 225,621	$ (115,996)
Income (Loss) from Discontinued Operations, net of taxes	0	(579)	0	15,039
Net Income (Loss) from Continuing Operations	84,438	(29,823)	225,621	(131,035)
Other Comprehensive Income (Loss) from Continuing Operations, net of taxes			7,061
Comprehensive Income (Loss)	83,007	(28,135)	232,682	(106,086)
Comprehensive loss attributable to noncontrolling interests	4	0	10	0
Comprehensive Income (Loss) Attributable to Tribune Media Company	83,011	(28,135)	232,692	(106,086)
Continuing Operations
Net Income (Loss) from Continuing Operations	84,438	(29,823)	225,621	(131,035)
Change in unrecognized benefit plan gains and losses arising during the period, net of taxes of $(1,327) and $(285) for the three and six months ended June 30, 2018 and June 30, 2017, respectively	(3,827)	(442)	(3,827)	(442)
Adjustment for previously unrecognized benefit plan gains and losses included in net income, net of taxes of $(13) and $(23) for the three months ended June 30, 2018 and June 30, 2017, respectively, and $(29) and $(51) for the six months ended June 30, 2018 and June 30, 2017, respectively	(37)	(36)	(83)	(80)
Change in unrecognized benefit plan gains and losses, net of taxes	(3,864)	(478)	(3,910)	(522)
Change in unrealized holding gains and losses arising during the period, net of taxes of $(0) and $(60) for the three and six months ended June 30, 2017, respectively	0	(1)	0	(95)
Adjustment for gain on investment sale included in net income, net of taxes of $(1,961) for the six months ended June 30, 2017	0	0	0	(3,042)
Change in marketable securities, net of taxes	0	(1)	0	(3,137)
Unrealized gains and losses, net of taxes of $975 and $(2,107) for the three months ended June 30, 2018 and June 30, 2017, respectively, and $3,571 and $(3,454) for the six months ended June 30, 2018 and June 30, 2017, respectively	2,810	(3,269)	10,297	(5,357)
Gains and losses reclassified to net income, net of taxes of $112 and $621 for the three months ended June 30, 2018 and June 30, 2017, respectively, $326 and $1,129 for the six months ended June 30, 2018 and June 30, 2017, respectively	325	963	941	1,751
Change in unrecognized gains and losses on cash flow hedging instruments, net of taxes	3,135	(2,306)	11,238	(3,606)
Change in foreign currency translation adjustments, net of taxes of $67 and $2,609 for the three months ended June 30, 2018 and June 30, 2017, respectively, and $58 and $2,710 for the six months ended June 30, 2018 and June 30, 2017, respectively	(702)	5,052	(267)	5,404
Other Comprehensive Income (Loss) from Continuing Operations, net of taxes	(1,431)	2,267	7,061	(1,861)
Comprehensive Income (Loss)	83,007	(27,556)	232,682	(132,896)
Discontinued Operations
Comprehensive Income (Loss)	$ 0	$ (579)	$ 0	$ 26,810