Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Apr. 30, 2017	Apr. 30, 2016
Cash flows from operating activities:
Net income	$ 947	$ 1,019
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	156	145
Amortization of acquired intangible assets	18	30
Share-based compensation expense	241	200
Pre-tax gain on sale of discontinued operations	0	(354)
Deferred income taxes	(36)	40
Tax benefit from share-based compensation plans	0	30
Other	9	11
Total adjustments	388	102
Changes in operating assets and liabilities:
Accounts receivable	(138)	(125)
Income taxes receivable	19	79
Prepaid expenses and other assets	5	(15)
Accounts payable	104	77
Accrued compensation and related liabilities	(47)	(69)
Deferred revenue	130	213
Income taxes payable	431	435
Other liabilities	50	25
Total changes in operating assets and liabilities	554	620
Net cash provided by operating activities	1,889	1,741
Cash flows from investing activities:
Purchases of corporate and customer fund investments	(286)	(589)
Sales of corporate and customer fund investments	332	990
Maturities of corporate and customer fund investments	150	160
Net change in cash and cash equivalents held to satisfy customer fund obligations	(18)	(35)
Net change in customer fund deposits	18	35
Purchases of property and equipment	(178)	(449)
Proceeds from divestiture of businesses	0	463
Other	(40)	3
Net cash provided by (used in) investing activities	(22)	578
Cash flows from financing activities:
Proceeds from borrowings under revolving credit facilities	150	995
Repayments on borrowings under revolving credit facilities	(150)	(995)
Proceeds from long-term debt	0	500
Repayment of debt	(500)	0
Proceeds from issuance of stock under employee stock plans	150	125
Payments for employee taxes withheld upon vesting of restricted stock units	(61)	(36)
Cash paid for purchases of treasury stock	(473)	(2,190)
Dividends and dividend rights paid	(265)	(238)
Other	0	(5)
Net cash used in financing activities	(1,149)	(1,844)
Effect of exchange rates on cash and cash equivalents	(6)	6
Net increase in cash and cash equivalents	712	481
Cash and cash equivalents at beginning of period	638	808
Cash and cash equivalents at end of period	$ 1,350	$ 1,289