CONSOLIDATED BALANCE SHEET (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2010	Dec. 31, 2009
ASSETS
Cash and cash equivalents	$ 742,099	$ 1,245,997
Marketable securities	563,997	487,591
Accounts receivable, net of allowance of $8,848 and $10,515, respectively	119,581	93,474
Other current assets	118,308	172,987
Total current assets	1,543,985	2,000,049
Property and equipment, net	267,928	290,333
Goodwill	989,493	967,735
Intangible assets, net	245,044	260,932
Long-term investments	200,721	272,930
Other non-current assets	81,908	121,618
TOTAL ASSETS	3,329,079	3,913,597
LIABILITIES:
Accounts payable, trade	56,375	38,212
Deferred revenue	78,175	57,412
Accrued expenses and other current liabilities	222,323	194,653
Total current liabilities	356,873	290,277
Long-term debt	95,844	95,844
Income taxes payable	475,685	450,129
Deferred income taxes	270,501	278,609
Other long-term liabilities	20,239	23,597
Redeemable noncontrolling interests	59,869	28,180
Commitments and contingencies
SHAREHOLDERS' EQUITY:
Additional paid-in capital	11,047,884	10,942,128
Accumulated deficit	(652,018)	(751,377)
Accumulated other comprehensive income	17,546	24,503
Treasury stock 153,663,130 and 117,883,689 shares, respectively	(8,363,586)	(7,468,532)
Total shareholders' equity	2,050,068	2,746,961
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	3,329,079	3,913,597
Common Stock
SHAREHOLDERS' EQUITY:
Common stock	226	223
Total shareholders' equity	226	223
Class B Convertible Common Stock
SHAREHOLDERS' EQUITY:
Common stock	16	16
Total shareholders' equity	$ 16	$ 16