Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 1,376,566	$ 3,950,602	$ 1,062,669
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation	532,485	549,235	530,516
Amortization of intangible assets	96,518	105,366	117,723
Accretion of convertible notes discount	4,846
Stock-based compensation expense, net	278,220	220,936	204,172
Gains from sales of patents	(79,950)
Goodwill impairment charge	63,555
Restructuring charges	547	109,896	990
Gain from sale of Alibaba Group Shares		(4,603,322)
Loss (gain) from sales of investments, assets, and other, net	22,397	(11,840)	4,405
Earnings in equity interests	(896,675)	(676,438)	(476,920)
Dividend income related to Alibaba Group Preference Shares	(35,726)	(20,000)
Tax benefits (detriments) from stock-based awards	49,061	(31,440)	33,497
Excess tax benefits from stock-based awards	(64,407)	(35,844)	(70,680)
Deferred income taxes	(84,302)	(769,320)	70,392
Dividends received from equity investees	135,058	83,648	75,391
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable	26,199	34,752	38,100
Prepaid expenses and other	27,401	78,529	97,849
Accounts payable	(7,764)	12,747	(316)
Accrued expenses and other liabilities	(98,853)	255,799	(290,070)
Deferred revenue	(149,929)	465,140	(73,912)
Net cash provided by (used in) operating activities	1,195,247	(281,554)	1,323,806
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property and equipment, net	(338,131)	(505,507)	(593,294)
Purchases of marketable securities	(3,223,190)	(3,520,327)	(1,708,530)
Proceeds from sales of marketable securities	2,871,834	741,947	1,508,948
Proceeds from maturities of marketable securities	748,915	381,403	1,316,197
Proceeds related to sale of Alibaba Group Shares, net		6,247,728
Proceeds related to the redemption of Alibaba Group Preference Shares	800,000
Acquisitions, net of cash acquired	(1,247,544)	(5,716)	(323,830)
Purchases of intangible assets	(2,500)	(3,799)	(11,819)
Proceeds from the sale of investments	181	26,132	21,271
Proceeds from the settlement of derivative hedge contracts	312,266	17,898
Payments for the settlement of derivative hedge contracts	(22,708)	(11,141)
Proceeds from sales of patents	79,950
Other investing activities, net	(2,294)	(6,574)	(6,581)
Net cash provided by (used in) investing activities	(23,221)	3,362,044	202,362
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock	353,267	218,371	156,226
Repurchases of common stock	(3,344,396)	(2,167,841)	(1,618,741)
Proceeds from issuance of convertible notes	1,412,344
Payments for note hedges	(205,706)
Proceeds from issuance of warrants	124,775
Excess tax benefits from stock-based awards	64,407	35,844	70,680
Tax withholdings related to net share settlements of restricted stock awards and restricted stock units	(139,815)	(60,939)	(44,761)
Proceeds from credit facility borrowings	150,000
Repayment of credit facility borrowings	(150,000)
Other financing activities, net	(8,760)	(4,892)	(19,362)
Net cash used in financing activities	(1,743,884)	(1,979,457)	(1,455,958)
Effect of exchange rate changes on cash and cash equivalents	(18,330)	4,355	(34,247)
Net change in cash and cash equivalents	(590,188)	1,105,388	35,963
Cash and cash equivalents at beginning of year	2,667,778	1,562,390	1,526,427
Cash and cash equivalents at end of year	$ 2,077,590	$ 2,667,778	$ 1,562,390