CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 456,000,000	$ 384,000,000
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred income taxes	140,000,000	65,000,000
Depreciation and amortization	24,000,000	23,000,000
Amortization and write-off of capitalized software development costs and intellectual property licenses	83,000,000	30,000,000
Stock-based compensation expense	27,000,000	21,000,000
Excess tax benefits from stock option exercises	(4,000,000)	(2,000,000)
Changes in operating assets and liabilities:
Accounts receivable, net	465,000,000	553,000,000
Inventories, net	47,000,000	0
Software development and intellectual property licenses	(73,000,000)	(67,000,000)
Other assets	91,000,000	174,000,000
Deferred revenues	(511,000,000)	(576,000,000)
Accounts payable	(149,000,000)	(215,000,000)
Accrued expenses and other liabilities	(271,000,000)	(237,000,000)
Net cash provided by operating activities	325,000,000	153,000,000
Cash flows from investing activities:
Proceeds from maturities of available-for-sale-investments	113,000,000	115,000,000
Purchases of available-for-sale investments	(26,000,000)	(187,000,000)
Capital expenditures	(17,000,000)	(9,000,000)
(Increase) decrease in restricted cash	10,000,000	4,000,000
Net cash provided by (used in) investing activities	80,000,000	(77,000,000)
Cash flows from financing activities:
Proceeds from issuance of common stock to employees	33,000,000	15,000,000
Tax payment related to net share settlements of restricted stock rights	(14,000,000)	(2,000,000)
Repurchase of common stock	0	(261,000,000)
Excess tax benefits from stock option exercises	4,000,000	2,000,000
Net cash provided by (used in) financing activities	23,000,000	(246,000,000)
Effect of foreign exchange rate changes on cash and cash equivalents	(88,000,000)	54,000,000
Net increase (decrease) in cash and cash equivalents	340,000,000	(116,000,000)
Cash and cash equivalents at beginning of period	3,959,000,000	3,165,000,000
Cash and cash equivalents at end of period	$ 4,299,000,000	$ 3,049,000,000