Unaudited Condensed Consolidated Statements of Cash Flows (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating activities
Net income	$ 403	$ 488
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	51	38
Stock-based compensation expense:
Stock options and other awards	74	64
Restricted stock units	207	182
Acquisition-related items:
Amortization of purchased intangible assets	44	24
Impairments of long-lived assets	83
Non-cash settlement gains	(14)
Changes in operating assets and liabilities:
Accounts receivable	152	(175)
Inventory	82	(120)
Prepaid expenses and other assets	(32)	23
Accounts payable	(141)	102
Deferred revenue and income	(19)	(19)
Accrued settlement costs	3	(163)
Other accrued and long-term liabilities	(71)	20
Net cash provided by operating activities	822	464
Investing activities
Net purchases of property and equipment	(97)	(47)
Net cash paid for acquired companies	(344)	(102)
Purchases of strategic investments		(8)
Purchases of marketable securities	(1,424)	(483)
Proceeds from sales and maturities of marketable securities	1,860	370
Net cash used in investing activities	(5)	(270)
Financing activities
Repurchases of Class A common stock	(670)	(275)
Dividends paid	(97)	(80)
Payment of assumed debt		(15)
Proceeds from issuance of common stock	216	246
Minimum tax withholding paid on behalf of employees for restricted stock units	(91)	(63)
Net cash used in financing activities	(642)	(187)
Increase in cash and cash equivalents	175	7
Cash and cash equivalents at beginning of period	1,622	1,397
Cash and cash equivalents at end of period	$ 1,797	$ 1,404