CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net income		$ 774	$ 902
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred income taxes		91	95
Depreciation and amortization		166	267
Non-cash operating lease cost		34	0
Amortization of capitalized software development costs and intellectual property licenses	[1]	153	206
Share-based compensation expense	[2]	100	110
Unrealized gain on equity investment (Note 8)		(38)	0
Other		28	9
Changes in operating assets and liabilities:
Accounts receivable, net		570	511
Inventories		(4)	8
Software development and intellectual property licenses		(105)	(209)
Other assets		78	39
Deferred revenues		(803)	(891)
Accounts payable		(75)	(157)
Accrued expenses and other liabilities		(365)	(352)
Net cash provided by operating activities		604	538
Cash flows from investing activities:
Proceeds from maturities of available-for-sale investments		75	0
Purchases of available-for-sale investments		0	(59)
Capital expenditures		(45)	(61)
Other investing activities		7	(4)
Net cash provided by (used in) investing activities		37	(124)
Cash flows from financing activities:
Proceeds from issuance of common stock to employees		57	77
Tax payment related to net share settlements on restricted stock units		(48)	(68)
Dividends paid		(283)	(259)
Net cash used in financing activities		(274)	(250)
Effect of foreign exchange rate changes on cash and cash equivalents		3	(19)
Net increase in cash and cash equivalents and restricted cash		370	145
Cash and cash equivalents and restricted cash at beginning of period		4,229	4,720
Cash and cash equivalents and restricted cash at end of period		$ 4,599	$ 4,865

[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.