星空传媒 Inc. Annual report pursuant to Section 13 and 15(d)

Related Parties (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 years	Dec. 31, 2010	Dec. 31, 2002	Dec. 31, 2011 Noncurrent Assets [Member]	Dec. 31, 2010 Noncurrent Assets [Member]	Dec. 31, 2011 Empire [Member]	Dec. 31, 2010 Empire [Member]	Dec. 31, 2002 Empire [Member]	Dec. 31, 2001 Empire [Member]
Related Party Transaction [Line Items]	听	听	听	听	听	听	听	听	听
Accounts receivable and derivative assets related parties	$ 180.4	$ 52.4	听	听	听	听	听	听	听
Other current liabilities related parties	43.0	听	听	听	听	听	听	听	听
Present value of other non-current assets	听	听	听	16.5	22.8	听	听	听	听
Percent ownership interest	听	听	听	听	听	听	听	46.70%	46.70%
Noncontrolling Interest, Ownership Percentage by Parent	听	听	听	听	听	听	听	79.00%	听
Indemnified obligations of related parties	听	听	120.0	听	听	听	听	听	听
Present value of receivable	听	听	听	听	听	$ 26.5	$ 32.8	听	听
Life of the supply agreement, years	12	听	听	听	听	听	听	听	听

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.