Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Oct. 31, 2015	Oct. 31, 2014
Cash flows from operating activities:
Net loss	$ (31)	$ (84)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	45	36
Amortization of acquired intangible assets	10	18
Share-based compensation expense	69	61
Deferred income taxes	(2)	(6)
Tax benefit from share-based compensation plans	9	18
Excess tax benefit from share-based compensation plans	(9)	(18)
Other	10	12
Total adjustments	132	121
Changes in operating assets and liabilities:
Accounts receivable	(28)	(4)
Income taxes receivable	(17)	(56)
Prepaid expenses and other assets	(29)	(3)
Accounts payable	(6)	32
Accrued compensation and related liabilities	(145)	(139)
Deferred revenue	(54)	28
Other liabilities	(19)	(13)
Total changes in operating assets and liabilities	(298)	(155)
Net cash used in operating activities	(197)	(118)
Cash flows from investing activities:
Purchases of available-for-sale debt securities	(117)	(365)
Sales of available-for-sale debt securities	940	147
Maturities of available-for-sale debt securities	64	229
Net change in money market funds and other cash equivalents held to satisfy customer fund obligations	(10)	(69)
Net change in customer fund deposits	10	69
Purchases of property and equipment	(70)	(55)
Acquisitions of businesses, net of cash acquired	0	(9)
Other	(1)	(8)
Net cash provided by (used in) investing activities	816	(61)
Cash flows from financing activities:
Proceeds from borrowings under credit facility	350	0
Net proceeds from issuance of stock under employee stock plans	24	47
Cash paid for purchases of treasury stock	(1,253)	(114)
Dividends and dividend rights paid	(82)	(74)
Excess tax benefit from share-based compensation plans	9	18
Net cash used in financing activities	(952)	(123)
Effect of exchange rates on cash and cash equivalents	(1)	(5)
Net decrease in cash and cash equivalents	(334)	(307)
Cash and cash equivalents at beginning of period	808	849
Cash and cash equivalents at end of period	$ 474	$ 542