Restructuring Charges (Rollforward) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	27 Months Ended
	Mar. 31, 2012	Mar. 31, 2012
Restructuring reserve rollforward
Restructuring reserve, beginning balance	$ 52
Payments to settle restructuring reserves	(10)	(85)
Restructuring reserve, ending balance	42	42
Entertainment Segment [Member]
Restructuring reserve rollforward
Restructuring reserve, beginning balance	42
Payments to settle restructuring reserves	(7)
Restructuring reserve, ending balance	35	35
Cable Networks Segment [Member]
Restructuring reserve rollforward
Restructuring reserve, beginning balance	1
Payments to settle restructuring reserves	0
Restructuring reserve, ending balance	1	1
Publishing Segment [Member]
Restructuring reserve rollforward
Restructuring reserve, beginning balance	2
Payments to settle restructuring reserves	(1)
Restructuring reserve, ending balance	1	1
Local Broadcasting Segment [Member]
Restructuring reserve rollforward
Restructuring reserve, beginning balance	2
Payments to settle restructuring reserves	0
Restructuring reserve, ending balance	2	2
Outdoor Segment [Member]
Restructuring reserve rollforward
Restructuring reserve, beginning balance	5
Payments to settle restructuring reserves	(2)
Restructuring reserve, ending balance	$ 3	$ 3