Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Oct. 31, 2021	Oct. 31, 2020
Cash flows from operating activities:
Net income	$ 228	$ 198
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	45	37
Amortization of acquired intangible assets	69	9
Non-cash operating lease cost	18	13
Share-based compensation expense	280	111
Deferred income taxes	(16)	17
Other	(35)	(16)
Total adjustments	361	171
Originations of loans held for sale	0	(43)
Sale and principal payments of loans held for sale	0	147
Changes in operating assets and liabilities:
Accounts receivable	(21)	47
Income taxes receivable	11	(17)
Prepaid expenses and other assets	(31)	(38)
Accounts payable	(107)	(58)
Accrued compensation and related liabilities	(212)	(248)
Deferred revenue	(86)	(85)
Operating lease liabilities	(18)	(12)
Other liabilities	20	(17)
Total changes in operating assets and liabilities	(444)	(428)
Net cash provided by operating activities	145	45
Cash flows from investing activities:
Purchases of corporate and customer fund investments	(257)	(198)
Sales of corporate and customer fund investments	1,053	30
Maturities of corporate and customer fund investments	123	156
Purchases of property and equipment	(42)	(38)
Acquisitions of businesses, net of cash acquired	0	(85)
Originations of term loans to small businesses	(125)	(11)
Principal repayments of term loans from small businesses	72	29
Other	(28)	(13)
Net cash provided by (used in) investing activities	796	(130)
Cash flows from financing activities:
Repayments on borrowings under unsecured revolving credit facility	0	(1,000)
Proceeds from borrowings under secured revolving credit facility	2	0
Repayment of debt	0	(13)
Proceeds from issuance of stock under employee stock plans	55	88
Payments for employee taxes withheld upon vesting of restricted stock units	(167)	(99)
Cash paid for purchases of treasury stock	(335)	0
Dividends and dividend rights paid	(190)	(158)
Net change in customer fund deposits	(151)	29
Net cash used in financing activities	(786)	(1,153)
Effect of exchange rates on cash, cash equivalents, restricted cash, and restricted cash equivalents	(2)	(1)
Net increase (decrease) in cash, cash equivalents, restricted cash, and restricted cash equivalents	153	(1,239)
Cash, cash equivalents, restricted cash, and restricted cash equivalents at beginning of period	2,819	6,697
Cash, cash equivalents, restricted cash, and restricted cash equivalents at end of period	2,972	5,458
Reconciliation of cash, cash equivalents, restricted cash, and restricted cash equivalents reported within the condensed consolidated balance sheets to the total amounts reported on the condensed consolidated statements of cash flows
Cash and cash equivalents	2,864	5,174
Restricted cash and restricted cash equivalents included in funds held for customers	108	284
Total cash, cash equivalents, restricted cash, and restricted cash equivalents at end of period	$ 2,972	$ 5,458