Restructuring Charges (Rollforward) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended	30 Months Ended
	Jun. 30, 2012	Jun. 30, 2012
Restructuring reserve rollforward
Restructuring reserve, beginning balance	$ 52
Payments to settle restructuring reserves	(18)	(93)
Restructuring reserve, ending balance	34	34
Entertainment Segment [Member]
Restructuring reserve rollforward
Restructuring reserve, beginning balance	42
Payments to settle restructuring reserves	(13)
Restructuring reserve, ending balance	29	29
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	(2)
Restructuring reserve, ending balance	0	0
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	(3)
Restructuring reserve, ending balance	$ 2	$ 2