Restructuring Charges (Rollforward) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended	21 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2014
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			$ 15
Restructuring charges	26	0	26	0	20
Payments to settle restructuring reserves			(13)			(18)
Restructuring reserve, ending balance	28		28		15	28
Operating Segments [Member] | Entertainment Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			8
Restructuring charges			8
Payments to settle restructuring reserves			(7)
Restructuring reserve, ending balance	9		9			9
Operating Segments [Member] | Cable Networks Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			1
Restructuring charges			0
Payments to settle restructuring reserves			(1)
Restructuring reserve, ending balance	0		0			0
Operating Segments [Member] | Publishing Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			1
Restructuring charges			1
Payments to settle restructuring reserves			(1)
Restructuring reserve, ending balance	1		1			1
Operating Segments [Member] | Local Broadcasting Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			4
Restructuring charges			14
Payments to settle restructuring reserves			(3)
Restructuring reserve, ending balance	15		15			15
Corporate [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			1
Restructuring charges			3
Payments to settle restructuring reserves			(1)
Restructuring reserve, ending balance	$ 3		$ 3			$ 3