Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Operating Activities:
Net Income	$ 1,143,605	$ 1,389,762
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	39,937	36,030
Amortization expense	93,642	119,776
Stock-based compensation expenses	97,134	99,595
Excess tax benefits from stock-based compensation	(35,439)	(20,298)
Tax benefits from employee stock plans	30,804	17,796
Deferred income taxes	21,966	40,008
Other	1,064	6,150
Changes in operating assets and liabilities:
Accounts receivable, net	180,167	(221,966)
Inventories	(213,190)	(114,644)
Prepaid expenses and other assets	(32,329)	10,884
Accounts payable	(230,614)	(295,648)
Income taxes payable	102,093	(51,585)
Accrued liabilities	276,944	98,541
Deferred revenues	(10,794)	45,070
Net cash provided by operating activities	1,743,620	1,763,797
Investing Activities:
Purchases of marketable securities	(607,078)	(2,714,090)
Proceeds from sales of marketable securities	63,274	2,225,064
Proceeds from maturities of marketable securities	2,951	348,968
Acquisitions, net of cash acquired	(10,751,636)	(588,608)
Purchases of other investments	(25,000)	0
Capital expenditures	(60,591)	(41,505)
Net cash used in investing activities	(11,378,080)	(770,171)
Financing Activities:
Proceeds from issuances of senior notes, net of issuance costs	0	(987,370)
Proceeds from issuances of common stock	201,791	115,912
Proceeds from credit facilities, net of issuance costs	1,146,844	0
Proceeds from term loan, net of issuance costs	997,889	0
Repayments of term loan	(700,000)	0
Repurchases of common stock	(261,791)	(1,272,862)
Repayments of convertible senior notes	0	(649,987)
Repayments of other long-term obligations	(2,151)	(1,567)
Excess tax benefits from stock-based compensation	35,439	20,298
Distributions to noncontrolling interest	(37,310)	(86,016)
Net cash provided by (used in) financing activities	1,380,711	(886,852)
Effect of exchange rate changes on cash	(4,528)	(108,874)
Net change in cash and cash equivalents	(8,258,277)	(2,100)
Cash and cash equivalents at beginning of period	9,883,777	907,879
Cash and cash equivalents at end of period	$ 1,625,500	$ 905,779