Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2014

Fair Value Disclosures [Abstract]

Financial Assets And (Liabilities) Measured At Fair Value On A Recurring Basis

The following table summarizes our financial assets and (liabilities) measured at fair value on a recurring basis as of September 30, 2014:

	Level 1		Level 2			Level 3		Total
Cash equivalents:
Money market funds	$	1,141,034	$	—		$	—	$	1,141,034
Time deposits	—		50,054			—		50,054
Total cash equivalents	1,141,034		50,054			—		1,191,088
Short-term investments:
Time deposits	—		488,188			—		488,188
Available-for-sale investment securities:
U.S. Treasury and agency debt securities	527,186		151,607			—		678,793
Corporate and other debt securities			400,634			—		400,634
Certificates of deposit and commercial paper	—		68,971			—		68,971
Asset-backed securities			228,019			—		228,019
Municipal debt securities			114,514			—		114,514
Mutual funds	—		21,741			—		21,741
Total available-for-sale investment securities	527,186		985,486			—		1,512,672
Total short-term investments	527,186		1,473,674			—		2,000,860
Derivative financial instruments - foreign exchange forward contracts:
Other current assets	—		2,717			—		2,717
Accrued expenses and other current liabilities	—		(105,408		)	—		(105,408		)
Other noncurrent assets	—		234			—		234
Other noncurrent liabilities	—		(33,330		)	—		(33,330		)
Total	$	1,668,220	$	1,387,941		$	—	$	3,056,161

The following table summarizes our financial assets and (liabilities) measured at fair value on a recurring basis as of December 31, 2013:

	Level 1		Level 2			Level 3		Total
Cash equivalents:
Money market funds	$	694,416	$	—		$	—	$	694,416
Time deposits	—		128,654			—		128,654
Commercial paper	—		22,000			—		22,000
Total cash equivalents	694,416		150,654			—		845,070
Short-term investments:
Time deposits	—		329,783			—		329,783
Available-for-sale investment securities:
U.S. Treasury and agency debt securities	423,051		83,234			—		506,285
Corporate and other debt securities	—		301,841			—		301,841
Certificates of deposit and commercial paper	—		99,959			—		99,959
Asset-backed securities	—		160,267			—		160,267
Municipal debt securities	—		115,196			—		115,196
Mutual funds	—		21,136			—		21,136
Total available-for-sale investment securities	423,051		781,633			—		1,204,684
Total short-term investments	423,051		1,111,416			—		1,534,467
Derivative financial instruments - foreign exchange forward contracts:
Other current assets	—		11,105			—		11,105
Accrued expenses and other current liabilities	—		(191,584		)	—		(191,584		)
Other noncurrent liabilities	—		(164,490		)	—		(164,490		)
Total	$	1,117,467	$	917,101		$	—	$	2,034,568