Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Oct. 31, 2018	Oct. 31, 2017
Cash flows from operating activities:
Net income (loss)	$ 34	$ (2)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation	51	60
Amortization of acquired intangible assets	6	5
Share-based compensation expense	105	97
Deferred income taxes	(9)	(4)
Other	2	2
Total adjustments	155	160
Changes in operating assets and liabilities:
Accounts receivable	21	(14)
Income taxes receivable	(47)	2
Prepaid expenses and other assets	(72)	(25)
Accounts payable	24	61
Accrued compensation and related liabilities	(191)	(147)
Deferred revenue	(69)	(120)
Other liabilities	2	7
Total changes in operating assets and liabilities	(332)	(236)
Net cash used in operating activities	(143)	(78)
Cash flows from investing activities:
Purchases of corporate and customer fund investments	(70)	(86)
Sales of corporate and customer fund investments	33	38
Maturities of corporate and customer fund investments	41	46
Net change in customer fund deposits	71	(53)
Purchases of property and equipment	(35)	(50)
Originations of term loans to small businesses	(76)	(12)
Principal repayments of term loans from small businesses	52	4
Other	4	(15)
Net cash provided by (used in) investing activities	20	(128)
Cash flows from financing activities:
Proceeds from borrowings under revolving credit facility	0	400
Repayment of debt	(13)	(13)
Proceeds from issuance of stock under employee stock plans	120	83
Payments for employee taxes withheld upon vesting of restricted stock units	(63)	(39)
Cash paid for purchases of treasury stock	(95)	(168)
Dividends and dividend rights paid	(129)	(105)
Other	(2)	0
Net cash provided by (used in) financing activities	(182)	158
Effect of exchange rates on cash, cash equivalents, restricted cash, and restricted cash equivalents	(4)	(5)
Net decrease in cash, cash equivalents, restricted cash, and restricted cash equivalents	(309)	(53)
Cash, cash equivalents, restricted cash, and restricted cash equivalents at beginning of period	1,631	701
Cash, cash equivalents, restricted cash, and restricted cash equivalents at end of period	$ 1,322	$ 648