Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2017
Cash flows from operating activities:
Net income	$ 1,557	$ 1,329	$ 985
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	199	228	214
Amortization of acquired intangible assets	26	25	22
Share-based compensation expense	401	382	326
Loss on sale of long-lived assets	0	79	0
Deferred income taxes	(7)	(5)	17
Other	15	6	13
Total adjustments	634	715	592
Changes in operating assets and liabilities:
Accounts receivable	11	5	5
Income taxes receivable	5	(1)	(44)
Prepaid expenses and other assets	(37)	(33)	(13)
Accounts payable	90	12	0
Accrued compensation and related liabilities	16	75	10
Deferred revenue	39	6	64
Other liabilities	9	4	0
Total changes in operating assets and liabilities	133	68	22
Net cash provided by operating activities	2,324	2,112	1,599
Cash flows from investing activities:
Purchases of corporate and customer fund investments	(752)	(407)	(352)
Sales of corporate and customer fund investments	84	128	359
Maturities of corporate and customer fund investments	303	286	183
Net change in customer fund deposits	69	(5)	68
Purchases of property and equipment	(76)	(38)	(102)
Capitalization of internal use software	(79)	(86)	(128)
Acquisitions of businesses, net of cash acquired	(64)	(363)	0
Originations of term loans to small businesses	(316)	(137)	0
Principal repayments of term loans from small businesses	267	82	0
Other	(2)	3	(45)
Net cash used in investing activities	(566)	(537)	(17)
Cash flows from financing activities:
Proceeds from borrowings under unsecured revolving credit facility	0	800	150
Repayments on borrowings under unsecured revolving credit facility	0	(800)	(150)
Proceeds from borrowings under secured revolving credit facility	48	0	0
Repayment of debt	(50)	(50)	(512)
Proceeds from issuance of stock under employee stock plans	284	295	226
Payments for employee taxes withheld upon vesting of restricted stock units	(251)	(199)	(153)
Cash paid for purchases of treasury stock	(556)	(272)	(839)
Dividends and dividend rights paid	(501)	(407)	(353)
Other	(8)	(1)	(1)
Net cash used in financing activities	(1,034)	(634)	(1,632)
Effect of exchange rates on cash, cash equivalents, restricted cash, and restricted cash equivalents	(3)	(11)	9
Net increase (decrease) in cash, cash equivalents, restricted cash, and restricted cash equivalents	721	930	(41)
Cash, cash equivalents, restricted cash, and restricted cash equivalents at beginning of period	1,631	701	742
Cash, cash equivalents, restricted cash, and restricted cash equivalents at end of period	2,352	1,631	701
Total cash, cash equivalents, restricted cash, and restricted cash equivalents at end of period	2,352	1,631	742
Supplemental disclosure of cash flow information:
Interest paid	17	19	42
Income taxes paid	$ 325	$ 245	$ 430