INCOME TAXES (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Disclosure [Abstract]
U.S. statutory federal rate (as a percent)		35.00%
Reconciliation of effective income tax rate and amount computed using expected U.S. statutory federal rate
Income tax expense at federal statutory rate		$ 616,654	$ 478,728	$ 261,199
Adjustment due to:
State taxes		5,296	5,168	6,762
Foreign rate differential		(175,932)	(125,824)	(58,927)
Innovation Box Tax benefit		(118,916)	(48,101)	(11,645)
Other		10,730	(1,308)	20,752
Total income tax expense		337,832	308,663	218,141
Likelihood of being realized upon ultimate finalization with taxing authority		greater than 50%
Unrecognized tax benefits
Unrecognized tax benefit, at the beginning of the period		3,192	13,386	741
Gross increases - tax positions in current period		4,423	1,455	12,645
Gross increases - tax positions in prior period		343	876	0
Gross decreases — tax positions in prior period	(12,500)	(615)	(12,525)	0
Unrecognized tax benefit, at the end of the period		$ 7,343	$ 3,192	$ 13,386