Commitments And Contingencies (Narrative) (Details) (USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2011	Dec. 31, 2010
Commitments And Contingencies [Abstract]
Commitments related to streaming content license agreements	$ 3,458,900,000	$ 1,123,400,000
Streaming content included in other non-current liabilities	$ 348,182,000	$ 48,179,000