Unaudited Condensed Consolidated Statements of Cash Flows (USD $) In Millions	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Operating activities
Net income	$ 673	$ 816
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	79	58
Stock-based compensation expense:
Stock options and other awards	99	87
Restricted stock units	303	272
Acquisition-related items:
Amortization of purchased intangible assets	65	36
Impairments of long-lived assets	92	2
Non-cash settlement gain	(14)
Changes in operating assets and liabilities:
Accounts receivable	15	(284)
Inventory	137	(165)
Prepaid expenses and other assets	(33)	35
Accounts payable	(99)	129
Deferred revenue and income	(28)	(28)
Accrued settlement costs	31	(166)
Other accrued and long-term liabilities	36	127
Net cash provided by operating activities	1,356	919
Investing activities
Net purchases of property and equipment	(141)	(82)
Net cash paid for acquired companies	(347)	(150)
Purchases of strategic investments		(8)
Purchases of marketable securities	(2,533)	(1,417)
Proceeds from sales and maturities of marketable securities	3,056	723
Net cash provided by (used in) investing activities	35	(934)
Financing activities
Repurchases of Class A common stock	(670)	(275)
Dividends paid	(145)	(121)
Payment of assumed debt		(15)
Proceeds from issuance of common stock	258	372
Minimum tax withholding paid on behalf of employees for restricted stock units	(123)	(97)
Net cash used in financing activities	(680)	(136)
Increase (decrease) in cash and cash equivalents	711	(151)
Cash and cash equivalents at beginning of period	1,622	1,397
Cash and cash equivalents at end of period	$ 2,333	$ 1,246