Investments - Equity Method Investments (Details)		Sep. 30, 2015	Dec. 31, 2014
UKTV [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest (in hundredths)		50.00%	50.00%
HGTV Magazine JV [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest (in hundredths)		50.00%	50.00%
Food Network Magazine JV [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest (in hundredths)		50.00%	50.00%
Everytap [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest (in hundredths)	[1]	40.00%
HGTV Canada [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest (in hundredths)		33.00%	33.00%
nC+ [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest (in hundredths)	[1]	32.00%
Food Canada [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest (in hundredths)		29.00%	29.00%
Onet [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest (in hundredths)	[1]	25.00%
Fox-BRV Southern Sports Holdings [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest (in hundredths)		7.25%	7.25%

[1] Acquired as a part of the TVN Acquisition