CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net income	$ 795	$ 986
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred income taxes	20	124
Depreciation and amortization	69	77
Loss on disposal of property and equipment	0	1
Amortization and write-off of capitalized software development costs and intellectual property licenses	123	151
Stock-based compensation expense	83	61
Excess tax benefits from stock option exercises	(4)	(21)
Changes in operating assets and liabilities:
Accounts receivable, net	450	516
Inventories, net	(145)	(96)
Software development and intellectual property licenses	(218)	(181)
Other assets	228	170
Deferred revenues	(639)	(1,268)
Accounts payable	(141)	(117)
Accrued expenses and other liabilities	(252)	(301)
Net cash provided by operating activities	369	102
Cash flows from investing activities:
Proceeds from maturities of available-for-sale investments	305	603
Payment of contingent consideration	0	(3)
Purchases of available-for-sale investments	(382)	(325)
Capital expenditures	(46)	(47)
Increase in restricted cash	(22)	(18)
Net cash (used in) provided by investing activities	(145)	210
Cash flows from financing activities:
Proceeds from issuance of common stock to employees	25	39
Repurchase of common stock	(315)	(524)
Dividends paid	(204)	(194)
Excess tax benefits from stock option exercises	4	21
Net cash used in financing activities	(490)	(658)
Effect of foreign exchange rate changes on cash and cash equivalents	10	3
Net decrease in cash and cash equivalents	(256)	(343)
Cash and cash equivalents at beginning of period	3,165	2,812
Cash and cash equivalents at end of period	$ 2,909	$ 2,469