FAIR VALUE MEASUREMENTS (Tables)

9 Months Ended

Sep. 30, 2013

Fair Value Disclosures [Abstract]

Financial instruments carried at fair value

Financial assets and liabilities carried at fair value as of September 30, 2013 are classified in the table below in the categories described below (in thousands): 

	Level 1		Level 2		Level 3		Total
ASSETS:
Short-term investments
Foreign government securities	$	—	$	3,605,753	$	—	$	3,605,753
U.S. government securities	—		1,881,371		—		1,881,371
Corporate debt securities	—		402		—		402
Foreign exchange derivatives	—		168		—		168
Total assets at fair value	$	—	$	5,487,694	$	—	$	5,487,694

	Level 1		Level 2		Level 3		Total
LIABILITIES:
Foreign exchange derivatives	$	—	$	80,573	$	—	$	80,573
Redeemable noncontrolling interests	—		—		—		—
Total liabilities at fair value	$	—	$	80,573	$	—	$	80,573

Financial assets and liabilities carried at fair value as of December 31, 2012 were classified in the table below in the categories described below (in thousands):

	Level 1		Level 2		Level 3		Total
ASSETS:
Short-term investments
Foreign government securities	$	—	$	1,886,553	$	—	$	1,886,553
U.S. government securities	—		1,760,292		—		1,760,292
Foreign exchange derivatives	—		1,038		—		1,038
Total assets at fair value	$	—	$	3,647,883	$	—	$	3,647,883

	Level 1		Level 2		Level 3		Total
LIABILITIES:
Foreign exchange derivatives	$	—	$	63,151	$	—	$	63,151
Redeemable noncontrolling interests	—		—		160,287		160,287
Total liabilities at fair value	$	—	$	63,151	$	160,287	$	223,438