Restructuring Charges (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended	18 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Jun. 30, 2015
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			$ 18
Restructuring charges	$ 55	$ 0	55	$ 0	$ 26
Restructuring settlements			(16)		(8)	$ (24)
Restructuring reserve, ending balance	57		57		18	57
Employee severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges	34				17
Restructuring settlements						(17)
Contract termination [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges	21				9
Restructuring settlements						(7)
Operating Segments [Member] | Entertainment Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			6
Restructuring charges			12		8
Restructuring settlements			(4)		(2)
Restructuring reserve, ending balance	14		14		6	14
Operating Segments [Member] | Publishing Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			0
Restructuring charges					1
Restructuring settlements					(1)
Restructuring reserve, ending balance					0
Operating Segments [Member] | Local Broadcasting Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			10
Restructuring charges			43		14
Restructuring settlements			(11)		(4)
Restructuring reserve, ending balance	42		42		10	42
Corporate [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			2
Restructuring charges			0		3
Restructuring settlements			(1)		(1)
Restructuring reserve, ending balance	$ 1		$ 1		$ 2	$ 1