CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income	$ 394	$ 293
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred income taxes	(3)	6
Provision for inventories	6	9
Depreciation and amortization	20	19
Amortization of capitalized software development costs and intellectual property licenses	142	51
Amortization of debt discount and debt financing costs	2	2
Stock-based compensation expense	23	29
Excess tax benefits from stock awards	(14)	(17)
Changes in operating assets and liabilities:
Accounts receivable, net	438	290
Inventories	10	5
Software development and intellectual property licenses	(77)	(71)
Other assets	108	111
Deferred revenues	(567)	(298)
Accounts payable	(208)	(189)
Accrued expenses and other liabilities	(65)	(104)
Net cash provided by operating activities	209	136
Cash flows from investing activities:
Proceeds from maturities of available-for-sale investments	0	21
Capital expenditures	(21)	(37)
Decrease in restricted cash	5	4
Net cash used in investing activities	(16)	(12)
Cash flows from financing activities:
Proceeds from issuance of common stock to employees	27	119
Tax payment related to net share settlements on restricted stock rights	(3)	(13)
Excess tax benefits from stock awards	14	17
Repayment of long-term debt	(250)	(375)
Net cash used in financing activities	(212)	(252)
Effect of foreign exchange rate changes on cash and cash equivalents	(364)	(3)
Net decrease in cash and cash equivalents	(383)	(131)
Cash and cash equivalents at beginning of period	4,848	4,410
Cash and cash equivalents at end of period	$ 4,465	$ 4,279