Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jul. 31, 2012		Jul. 31, 2011		Jul. 31, 2010
Cash flows from operating activities:
Net income (loss)	$ 792		$ 634		$ 574
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	171		164		148
Amortization of acquired intangible assets	71		77		108
Goodwill and intangible asset impairment charge	0		30		0
Share-based compensation expense	169		153		135
Pre-tax gain on sale of discontinued operations	0	[1]	0	[1]	(58)	[1]
Deferred income taxes	(62)		31		(69)
Tax benefit from share-based compensation plans	71		81		36
Excess tax benefit from share-based compensation plans	(70)		(71)		(18)
Other	11		19		23
Total adjustments	361		484		305
Changes in operating assets and liabilities:
Accounts receivable	(10)		(36)		2
Prepaid expenses, income taxes receivable and other assets	31		(70)		20
Accounts payable	19		(24)		40
Accrued compensation and related liabilities	17		8		33
Deferred revenue	38		28		32
Income taxes payable	0		(15)		14
Other liabilities	(2)		4		(22)
Total changes in operating assets and liabilities	93		(105)		119
Net cash provided by operating activities	1,246		1,013		998
Cash flows from investing activities:
Purchases of available-for-sale debt securities	(669)		(1,257)		(3,029)
Sales of available-for-sale debt securities	840		1,626		1,660
Maturities of available-for-sale debt securities	178		328		474
Net change in money market funds and other cash equivalents held to satisfy customer fund obligations	124		(51)		82
Net change in customer fund deposits	(124)		77		65
Purchases of property and equipment	(135)		(114)		(74)
Capitalization of internal use software	(51)		(99)		(56)
Acquisitions of businesses, net of cash acquired	(392)		0		(218)
Acquisitions of intangible assets	(10)		(15)		(13)
Proceeds from divestiture of businesses	0		0		122
Other	14		2		(10)
Net cash provided by (used in) investing activities	(225)		497		(997)
Cash flows from financing activities:
Repayment of debt	(500)		0		0
Net proceeds from issuance of treasury stock under employee stock plans	164		283		416
Purchases of treasury stock	(900)		(1,360)		(900)
Cash dividends paid to stockholders	(178)		0		0
Excess tax benefit from share-based compensation plans	70		71		18
Other	0		0		(1)
Net cash used in financing activities	(1,344)		(1,006)		(467)
Effect of exchange rates on cash and cash equivalents	(6)		4		1
Net increase (decrease) in cash and cash equivalents	(329)		508		(465)
Cash and cash equivalents at beginning of period	722		214		679
Cash and cash equivalents at end of period	393		722		214
Supplemental disclosure of cash flow information:
Interest paid	60		60		61
Income taxes paid	$ 312		$ 270		$ 277

[1] Because the cash flows of our discontinued operations were not material for any period presented, we have not segregated the cash flows of those businesses on these statements of cash flows. We have presented the effect of the gain on disposal of discontinued operations on these statements of cash flows. See Note 8 for more information.