Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 426,749	$ 302,366
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	97,453	83,945
Share-based compensation	36,757	32,396
Deferred income taxes	(66,525)	(3,876)
Other	(33,442)	(29,073)
Changes in operating assets and liabilities, net:
Accounts receivable	(75,546)	(89,066)
Inventories	(60,809)	(19,027)
Accrued expenses and other current liabilities	(180,910)	(82,031)
Other changes in operating assets and liabilities, net	35,212	(1,009)
Net cash flows provided by operating activities	178,939	194,625
Cash flows from investing activities:
Proceeds from sales and maturities of marketable securities	4,329,506	824,434
Purchases of marketable securities	(1,160,680)	(677,092)
Purchases of reverse repurchase agreements	(2,968,000)	0
Acquisitions of business, net of cash acquired	0	(72,401)
Purchases of property, plant and equipment	(33,289)	(54,551)
Other	(11,596)	(19,772)
Net cash flows used in investing activities	155,941	618
Cash flows from financing activities:
Purchase of treasury stock	(41,023)	(463,171)
Proceeds from issuance of stock for share-based compensation arrangements	21,817	24,080
Repayments of borrowings under senior notes	(450,000)	0
Proceeds from borrowings under line of credit facility	200,000	0
Other	30,782	22,827
Net cash flows used in financing activities	(238,424)	(416,264)
Net decrease in cash and cash equivalents	96,456	(221,021)
Effect of exchange rate changes on cash and cash equivalents	(3,875)	4,618
Cash and cash equivalents, beginning of the period	570,721	514,542
Cash and cash equivalents, end of the period	$ 663,302	$ 298,139