Note 6 - Fair Value Measurement of Assets and Liabilities (Details) (USD $)	Jun. 30, 2011	May 10, 2011	Jun. 30, 2011 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2011 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Restricted Cash [Member] Short-term Investments [Member]	Dec. 31, 2010 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Restricted Cash [Member] Short-term Investments [Member]	Jun. 30, 2011 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Restricted Cash [Member] Long-Term Investment [Member]	Dec. 31, 2010 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Restricted Cash [Member] Long-Term Investment [Member]	Jun. 30, 2011 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Corporate Debt Securities [Member] Short-term Investments [Member]	Dec. 31, 2010 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Corporate Debt Securities [Member] Short-term Investments [Member]	Jun. 30, 2011 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Corporate Debt Securities [Member] Long-Term Investment [Member]	Dec. 31, 2010 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Corporate Debt Securities [Member] Long-Term Investment [Member]	Jun. 30, 2011 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] US Treasury and Government [Member] Short-term Investments [Member]	Dec. 31, 2010 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] US Treasury and Government [Member] Short-term Investments [Member]	Jun. 30, 2011 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] US Treasury and Government [Member] Long-Term Investment [Member]	Dec. 31, 2010 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] US Treasury and Government [Member] Long-Term Investment [Member]	Jun. 30, 2011 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Bank Time Deposits [Member] Short-term Investments [Member]	Dec. 31, 2010 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Bank Time Deposits [Member] Short-term Investments [Member]	Jun. 30, 2011 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Time Deposits and Other [Member] Long-Term Investment [Member]	Dec. 31, 2010 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Time Deposits and Other [Member] Long-Term Investment [Member]	Jun. 30, 2011 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Equity Securities [Member] Short-term Investments [Member]	Dec. 31, 2010 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Equity Securities [Member] Short-term Investments [Member]	Jun. 30, 2011 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Short-term Investments [Member]	Dec. 31, 2010 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Short-term Investments [Member]	Jun. 30, 2011 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Long-Term Investment [Member]	Dec. 31, 2010 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Long-Term Investment [Member]	Jun. 30, 2011 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Foreign Exchange Contract [Member] Derivative Assets Reported in Other Current Assets [Member]	Dec. 31, 2010 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Foreign Exchange Contract [Member] Derivative Assets Reported in Other Current Assets [Member]	Jun. 30, 2011 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Foreign Exchange Contract [Member] Derivatives Liabilities Reported in Other Current Liabilities [Member]	Dec. 31, 2010 Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Measurements, Recurring [Member] Foreign Exchange Contract [Member] Derivatives Liabilities Reported in Other Current Liabilities [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Restricted Cash [Member] Short-term Investments [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Restricted Cash [Member] Short-term Investments [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Restricted Cash [Member] Long-Term Investment [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Restricted Cash [Member] Long-Term Investment [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Corporate Debt Securities [Member] Short-term Investments [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Corporate Debt Securities [Member] Short-term Investments [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Corporate Debt Securities [Member] Long-Term Investment [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Corporate Debt Securities [Member] Long-Term Investment [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] US Treasury and Government [Member] Short-term Investments [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] US Treasury and Government [Member] Short-term Investments [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] US Treasury and Government [Member] Long-Term Investment [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] US Treasury and Government [Member] Long-Term Investment [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Bank Time Deposits [Member] Short-term Investments [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Bank Time Deposits [Member] Short-term Investments [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Time Deposits and Other [Member] Long-Term Investment [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Time Deposits and Other [Member] Long-Term Investment [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Equity Securities [Member] Short-term Investments [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Equity Securities [Member] Short-term Investments [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Short-term Investments [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Short-term Investments [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Long-Term Investment [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Long-Term Investment [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Foreign Exchange Contract [Member] Derivative Assets Reported in Other Current Assets [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Foreign Exchange Contract [Member] Derivative Assets Reported in Other Current Assets [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Foreign Exchange Contract [Member] Derivatives Liabilities Reported in Other Current Liabilities [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 1 [Member] Fair Value, Measurements, Recurring [Member] Foreign Exchange Contract [Member] Derivatives Liabilities Reported in Other Current Liabilities [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Restricted Cash [Member] Short-term Investments [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Restricted Cash [Member] Short-term Investments [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Restricted Cash [Member] Long-Term Investment [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Restricted Cash [Member] Long-Term Investment [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Corporate Debt Securities [Member] Short-term Investments [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Corporate Debt Securities [Member] Short-term Investments [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Corporate Debt Securities [Member] Long-Term Investment [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Corporate Debt Securities [Member] Long-Term Investment [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] US Treasury and Government [Member] Short-term Investments [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] US Treasury and Government [Member] Short-term Investments [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] US Treasury and Government [Member] Long-Term Investment [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] US Treasury and Government [Member] Long-Term Investment [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Bank Time Deposits [Member] Short-term Investments [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Bank Time Deposits [Member] Short-term Investments [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Time Deposits and Other [Member] Long-Term Investment [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Time Deposits and Other [Member] Long-Term Investment [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Equity Securities [Member] Short-term Investments [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Equity Securities [Member] Short-term Investments [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Short-term Investments [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Short-term Investments [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Long-Term Investment [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Long-Term Investment [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Foreign Exchange Contract [Member] Derivative Assets Reported in Other Current Assets [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Foreign Exchange Contract [Member] Derivative Assets Reported in Other Current Assets [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Foreign Exchange Contract [Member] Derivatives Liabilities Reported in Other Current Liabilities [Member]	Dec. 31, 2010 Fair Value, Inputs, Level 2 [Member] Fair Value, Measurements, Recurring [Member] Foreign Exchange Contract [Member] Derivatives Liabilities Reported in Other Current Liabilities [Member]	Jun. 30, 2011 Equity Securities [Member] Long-Term Investment [Member]	Dec. 31, 2010 Equity Securities [Member] Long-Term Investment [Member]
Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]
Cash and cash equivalents			$ 3,265,826,000	$ 5,577,411,000																											$ 3,265,826,000	$ 5,577,411,000																											$ 0	$ 0
Investments					23,949,000	20,351,000	1,390,000	1,332,000	317,861,000	372,225,000	2,171,405,000	1,605,770,000	56,673,000	66,534,000	89,434,000	150,966,000	87,895,000	44,772,000	5,574,000	4,541,000	644,722,000	541,521,000	1,131,100,000	1,045,403,000	2,267,803,000	1,762,609,000							23,949,000	20,351,000	1,390,000	1,332,000	0	0	0	0	0	0	0	0	0	0	0	0	644,722,000	541,521,000	668,671,000	561,872,000	1,390,000	1,332,000							0	0	0	0	317,861,000	372,225,000	2,171,405,000	1,605,770,000	56,673,000	66,534,000	89,434,000	150,966,000	87,895,000	44,772,000	5,574,000	4,541,000	0	0	462,429,000	483,531,000	2,266,413,000	1,761,277,000
Derivative assets																											17,739,000	37,196,000																											0	0																											17,739,000	37,196,000
Total financial assets			6,682,468,000	8,422,619,000																											3,935,887,000	6,140,615,000																											2,746,581,000	2,282,004,000
Derivative Liabilities																													30,748,000	4,963,000
Derivatives liabilities																														4,963,000																											0	0																											30,748,000	4,963,000
Fair Value Disclosure, additional details
Cost and equity method investments included in long-term investments																																																																																							810,600,000	729,400,000
Equity stake in Skype	30.00%
Date of agreement for Skype sale		May 10, 2011
Agreed upon sale price of Skype, including debt		8,500,000,000
Pooling arrangement, cash withdrawals	3,400,000,000
Pooling arrangement, aggregate cash deposits	3,400,000,000
Promotional credit product receivables	$ 189,000,000