Consolidated Statements of Cash Flows - USD ($) $ in Millions		12 Months Ended
		Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2015
Cash flows from operating activities:
Net income		$ 971	$ 979	$ 365
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation		214	195	157
Amortization of acquired intangible assets		22	43	74
Goodwill and intangible asset impairment charges		0	0	297
Share-based compensation expense		326	281	257
Pre-tax gain on sale of discontinued operations	[1]	0	(354)	0
Deferred income taxes		8	70	(100)
Tax benefit from share-based compensation plans		0	59	85
Other		13	17	4
Total adjustments		583	311	774
Changes in operating assets and liabilities:
Accounts receivable		5	(20)	24
Income taxes receivable		(44)	64	(49)
Prepaid expenses and other assets		(9)	(10)	22
Accounts payable		0	(23)	35
Accrued compensation and related liabilities		10	(11)	24
Deferred revenue		83	192	398
Other liabilities		0	(22)	(4)
Total changes in operating assets and liabilities		45	170	450
Net cash provided by operating activities		1,599	1,460	1,589
Cash flows from investing activities:
Purchases of corporate and customer fund investments		(352)	(934)	(939)
Sales of corporate and customer fund investments		359	1,165	620
Maturities of corporate and customer fund investments		183	187	475
Net change in cash and cash equivalents held to satisfy customer fund obligations		(68)	58	(49)
Net change in customer fund deposits		68	(33)	49
Purchases of property and equipment		(102)	(416)	(142)
Capitalization of internal use software		(128)	(106)	(119)
Acquisitions of businesses, net of cash acquired		0	0	(95)
Proceeds from divestiture of businesses		0	463	0
Other		(45)	(13)	18
Net cash provided by (used in) investing activities		(85)	371	(182)
Cash flows from financing activities:
Proceeds from borrowings under revolving credit facilities		150	995	0
Repayments on borrowings under revolving credit facilities		(150)	(995)	0
Proceeds from long-term debt		0	500	0
Repayment of debt		(512)	0	0
Proceeds from issuance of stock under employee stock plans		226	197	220
Payments for employee taxes withheld upon vesting of restricted stock units		(153)	(108)	(113)
Cash paid for purchases of treasury stock		(839)	(2,264)	(1,245)
Dividends and dividend rights paid		(353)	(318)	(283)
Other		(1)	(6)	(1)
Net cash used in financing activities		(1,632)	(1,999)	(1,422)
Effect of exchange rates on cash and cash equivalents		9	(2)	(26)
Net decrease in cash and cash equivalents		(109)	(170)	(41)
Cash and cash equivalents at beginning of period		638	808	849
Cash and cash equivalents at end of period		529	638	808
Supplemental disclosure of cash flow information:
Interest paid		42	37	32
Income taxes paid		$ 430	$ 389	$ 222

[1] Because the cash flows of our discontinued operations were not material for any period presented, we have not segregated the cash flows of those businesses on these statements of cash flows. We have presented the effect of the pre-tax gains on the disposals on these statements of cash flows. See Note 6, “Discontinued Operations,” for more information.