Goodwill And Intangible Assets, Net (Schedule Of Goodwill And Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Goodwill And Intangible Assets, Net [Abstract]
Goodwill	$ 2,877,301	$ 2,864,664	$ 2,868,739
Intangible assets with indefinite lives	657,776	658,536
Intangible assets with definite lives, net	86,122	89,077
Goodwill and intangible assets	$ 3,621,199	$ 3,612,277

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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