Consolidated Statements of Cash Flows - USD ($) $ in Millions		12 Months Ended
		Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2014
Cash flows from operating activities:
Net income		$ 979	$ 365	$ 907
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation		195	157	144
Amortization of acquired intangible assets		43	74	53
Goodwill and intangible asset impairment charges		0	297	0
Share-based compensation expense		281	257	204
Pre-tax gain on sale of discontinued operations (1)	[1]	(354)	0	(40)
Net realized gain on sale of available-for-sale equity securities		0	0	(21)
Deferred income taxes		70	(100)	93
Tax benefit from share-based compensation plans		59	85	82
Excess tax benefit from share-based compensation plans		(59)	(85)	(82)
Other		17	4	24
Total adjustments		252	689	457
Changes in operating assets and liabilities:
Accounts receivable		(20)	24	(5)
Income taxes receivable		64	(49)	27
Prepaid expenses and other assets		(10)	22	(14)
Accounts payable		(23)	35	15
Accrued compensation and related liabilities		(11)	24	43
Deferred revenue		192	398	15
Other liabilities		(22)	(4)	1
Total changes in operating assets and liabilities		170	450	82
Net cash provided by operating activities		1,401	1,504	1,446
Cash flows from investing activities:
Purchases of corporate and customer fund investments		(934)	(939)	(1,334)
Sales of corporate and customer fund investments		1,165	620	346
Maturities of corporate and customer fund investments		187	475	567
Net change in money market funds and other cash equivalents held to satisfy customer fund obligations		58	(49)	(54)
Net change in customer fund deposits		(33)	49	54
Proceeds from the sale of available-for-sale equity securities		0	0	26
Purchases of property and equipment		(416)	(142)	(104)
Capitalization of internal use software		(106)	(119)	(82)
Acquisitions of businesses, net of cash acquired		0	(95)	(471)
Proceeds from divestiture of businesses		463	0	1,025
Other		(13)	18	(22)
Net cash provided by (used in) investing activities		371	(182)	(49)
Cash flows from financing activities:
Proceeds from borrowings under revolving credit facilities		995	0	0
Repayments on borrowings under revolving credit facilities		(995)	0	0
Proceeds from long-term debt		500	0	0
Net proceeds from issuance of stock under employee stock plans		89	107	165
Cash paid for purchases of treasury stock		(2,264)	(1,245)	(1,577)
Dividends and dividend rights paid		(318)	(283)	(220)
Excess tax benefit from share-based compensation plans		59	85	82
Other		(6)	(1)	(1)
Net cash used in financing activities		(1,940)	(1,337)	(1,551)
Effect of exchange rates on cash and cash equivalents		(2)	(26)	(6)
Net decrease in cash and cash equivalents		(170)	(41)	(160)
Cash and cash equivalents at beginning of period		808	849	1,009
Cash and cash equivalents at end of period		638	808	849
Supplemental disclosure of cash flow information:
Interest paid		37	32	32
Income taxes paid		$ 389	$ 222	$ 240

[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 7, “Discontinued Operations,” for more information.