Goodwill, Other Intangible Assets And Liabilities - (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Indefinite-lived Intangible Assets [Line Items]
Other intangible assets not subject to amortization	$ 797,400	$ 797,400
Total other intangible assets, net (excluding goodwill)	2,092,925	2,240,199
Goodwill	3,563,522	3,561,812
Total goodwill and other intangible assets	5,656,447	5,802,011
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, gross	1,898,715	1,898,427
Intangible assets, accumulated amortization	(603,190)	(455,628)
Intangible assets subject to amortization, net	1,295,525	1,442,799
Television and Entertainment
Indefinite-lived Intangible Assets [Line Items]
Other intangible assets not subject to amortization	797,400	797,400
Goodwill	3,220,300	3,220,300
Total goodwill and other intangible assets	5,077,666
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, net	1,059,966	1,185,215
Digital and Data
Indefinite-lived Intangible Assets [Line Items]
Other intangible assets not subject to amortization	0	0
Goodwill	343,222	341,512
Total goodwill and other intangible assets	578,781
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, net	235,559	257,584
FCC Licenses
Indefinite-lived Intangible Assets [Line Items]
Other intangible assets not subject to amortization	782,600	782,600
Trade Names
Indefinite-lived Intangible Assets [Line Items]
Other intangible assets not subject to amortization	14,800	14,800
Affiliate Relationships
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, gross	212,000	212,000
Intangible assets, accumulated amortization	(49,688)	(39,750)
Intangible assets subject to amortization, net	$ 162,312	172,250
Affiliate Relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	16 years
Affiliate Relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	16 years
Advertiser relationships
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, gross	$ 168,000	168,000
Intangible assets, accumulated amortization	(78,750)	(63,000)
Intangible assets subject to amortization, net	$ 89,250	105,000
Advertiser relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	8 years
Advertiser relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	8 years
Network Affiliation Agreements
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, gross	$ 362,000	362,000
Intangible assets, accumulated amortization	(123,322)	(92,113)
Intangible assets subject to amortization, net	$ 238,678	269,887
Network Affiliation Agreements | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	5 years
Network Affiliation Agreements | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	16 years
Retransmission Consent Agreements
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, gross	$ 830,100	830,100
Intangible assets, accumulated amortization	(264,484)	(196,955)
Intangible assets subject to amortization, net	$ 565,616	633,145
Retransmission Consent Agreements | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	7 years
Retransmission Consent Agreements | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	12 years
Other customer relationships
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, gross	$ 115,729	114,827
Intangible assets, accumulated amortization	(31,860)	(23,315)
Intangible assets subject to amortization, net	$ 83,869	91,512
Other customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	3 years
Other customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	16 years
Content databases
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, gross	$ 134,864	134,299
Intangible assets, accumulated amortization	(31,721)	(23,623)
Intangible assets subject to amortization, net	$ 103,143	110,676
Content databases | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	5 years
Content databases | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	16 years
Technology-Based Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, gross	$ 47,275	47,011
Intangible assets, accumulated amortization	(14,611)	(9,733)
Intangible assets subject to amortization, net	$ 32,664	37,278
Technology-Based Intangible Assets | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	4 years
Technology-Based Intangible Assets | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	10 years
Trademarks and Trade Names
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, gross	$ 14,121	13,853
Intangible assets, accumulated amortization	(2,511)	(1,625)
Intangible assets subject to amortization, net	$ 11,610	12,228
Trademarks and Trade Names | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	3 years
Trademarks and Trade Names | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	15 years
Other Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization, gross	$ 14,626	16,337
Intangible assets, accumulated amortization	(6,243)	(5,514)
Intangible assets subject to amortization, net	$ 8,383	$ 10,823
Other Intangible Assets | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	3 years
Other Intangible Assets | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life (years)	11 years