CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income		$ 505	$ 447
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred income taxes		11	86
Depreciation and amortization		62	87
Non-cash operating lease cost		16	17
Amortization of capitalized software development costs and intellectual property licenses	[1]	77	104
Share-based compensation expense	[2]	43	63
Other		0	30
Changes in operating assets and liabilities:
Accounts receivable, net		249	438
Software development and intellectual property licenses		(85)	(46)
Other assets		(11)	(38)
Deferred revenues		(334)	(582)
Accounts payable		(132)	(91)
Accrued expenses and other liabilities		(253)	(65)
Net cash provided by operating activities		148	450
Cash flows from investing activities:
Proceeds from maturities of available-for-sale investments		0	13
Purchases of available-for-sale investments		(9)	0
Capital expenditures		(19)	(18)
Net cash used in investing activities		(28)	(5)
Cash flows from financing activities:
Proceeds from issuance of common stock to employees		26	30
Tax payment related to net share settlements on restricted stock units		(19)	(6)
Net cash provided by financing activities		7	24
Effect of foreign exchange rate changes on cash and cash equivalents		(15)	2
Net increase in cash and cash equivalents and restricted cash		112	471
Cash and cash equivalents and restricted cash at beginning of period		5,798	4,229
Cash and cash equivalents and restricted cash at end of period		$ 5,910	$ 4,700

[1] Excludes deferral and amortization of share-based compensation expense.

[2] Includes the net effects of capitalization, deferral, and amortization of share-based compensation expense.