UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Net income	$ 832,989		$ 599,973		$ 1,514,721		$ 1,134,442
Other comprehensive income, net of tax
Foreign currency translation adjustments (1)	114,366	[1]	48,366	[1]	52,547	[1]	29,715	[1]
Unrealized gain (loss) on marketable securities (2)	977	[2]	244	[2]	476	[2]	(544)	[2]
Comprehensive income	948,332		648,583		1,567,744		1,163,613
Less: Comprehensive income (loss) attributable to noncontrolling interests (See Note 11)	0		7,222		(10,279)		8,000
Comprehensive income attributable to common stockholders	$ 948,332		$ 641,361		$ 1,578,023		$ 1,155,613

[1] Net of tax benefit of $42,253 and $27,969 for the three and nine months ended September 30, 2013, respectively, and net of tax benefit of $7,965 and tax of $2,770 for the three and nine months ended September 30, 2012, respectively, associated with hedges of foreign denominated net assets. See Note 12.

[2] Net of tax of $452 and $201 for the three and nine months ended September 30, 2013, respectively, and net of tax of $178 and tax benefit of $167 for the three and nine months ended September 30, 2012, respectively.