Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Oct. 31, 2012	Oct. 31, 2011
Cash flows from operating activities:
Net loss	$ (19)	$ (64)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	40	44
Amortization of acquired intangible assets	14	28
Share-based compensation expense	49	40
Pre-tax gain on sale of discontinued operations	(53)	0
Deferred income taxes	53	(5)
Tax benefit from share-based compensation plans	44	30
Excess tax benefit from share-based compensation plans	(44)	(29)
Other	4	(6)
Total adjustments	107	102
Changes in operating assets and liabilities:
Accounts receivable	(1)	5
Prepaid expenses, income taxes receivable and other assets	(128)	(78)
Accounts payable	12	39
Accrued compensation and related liabilities	(96)	(74)
Deferred revenue	(16)	(25)
Income taxes payable	0	1
Other liabilities	(4)	(16)
Total changes in operating assets and liabilities	(233)	(148)
Net cash used in operating activities	(145)	(110)
Cash flows from investing activities:
Purchases of available-for-sale debt securities	(87)	(197)
Sales of available-for-sale debt securities	81	136
Maturities of available-for-sale debt securities	21	41
Net change in money market funds and other cash equivalents held to satisfy customer fund obligations	81	93
Net change in customer fund deposits	(81)	(93)
Purchases of property and equipment	(70)	(44)
Proceeds from divestiture of businesses	60	0
Other	(5)	14
Net cash provided by (used in) investing activities	0	(50)
Cash flows from financing activities:
Net proceeds from issuance of treasury stock under employee stock plans	73	45
Purchases of treasury stock	(100)	(255)
Cash dividends paid to stockholders	(50)	(45)
Excess tax benefit from share-based compensation plans	44	29
Net cash used in financing activities	(33)	(226)
Effect of exchange rates on cash and cash equivalents	1	(3)
Net decrease in cash and cash equivalents	(177)	(389)
Cash and cash equivalents at beginning of period	393	722
Cash and cash equivalents at end of period	$ 216	$ 333