Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	9 Months Ended
Apr. 30, 2015	Apr. 30, 2014
Cash flows from operating activities:
Net income	$ 351us-gaap_NetIncomeLoss	$ 936us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	115us-gaap_Depreciation	110us-gaap_Depreciation
Amortization of acquired intangible assets	55us-gaap_AdjustmentForAmortization	37us-gaap_AdjustmentForAmortization
Goodwill impairment charge	263us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss
Share-based compensation expense	184us-gaap_ShareBasedCompensation	148us-gaap_ShareBasedCompensation
Pre-tax gain on sale of discontinued operations	0	(40)
Deferred income taxes	(3)us-gaap_DeferredIncomeTaxExpenseBenefit	62us-gaap_DeferredIncomeTaxExpenseBenefit
Tax benefit from share-based compensation plans	51	52
Excess tax benefit from share-based compensation plans	(51)	(52)
Other	(3)us-gaap_OtherNoncashIncomeExpense	16us-gaap_OtherNoncashIncomeExpense
Total adjustments	611	333
Changes in operating assets and liabilities:
Accounts receivable	(76)	(148)
Income taxes receivable	27	60
Prepaid expenses and other assets	18	(18)
Accounts payable	125	56
Accrued compensation and related liabilities	(29)	(18)
Deferred revenue	407	(9)
Income taxes payable	224	275
Other liabilities	64	63
Total changes in operating assets and liabilities	760	261
Net cash provided by operating activities	1,722	1,530
Cash flows from investing activities:
Purchases of available-for-sale debt securities	(785)	(917)
Sales of available-for-sale debt securities	534	218
Maturities of available-for-sale debt securities	406	318
Net change in money market funds and other cash equivalents held to satisfy customer fund obligations	(41)	(38)
Net change in customer fund deposits	41	38
Purchases of property and equipment	(183)	(121)
Acquisitions of businesses, net of cash acquired	(95)	(90)
Proceeds from divestiture of businesses	0	1,025
Other	28	(14)
Net cash provided by (used in) investing activities	(95)	419
Cash flows from financing activities:
Net proceeds from issuance of stock under employee stock plans	129	161
Cash paid for purchases of treasury stock	(1,234)	(1,425)
Dividends and dividend rights paid	(212)us-gaap_PaymentsOfDividends	(165)us-gaap_PaymentsOfDividends
Excess tax benefit from share-based compensation plans	51	52
Net cash used in financing activities	(1,266)	(1,377)
Effect of exchange rates on cash and cash equivalents	(17)	(7)
Net increase in cash and cash equivalents	344	565
Cash and cash equivalents at beginning of period	849	1,009
Cash and cash equivalents at end of period	$ 1,193	$ 1,574

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The cash outflow to acquire debt securities classified as available-for-sale securities, because they are not classified as either held-to-maturity securities or trading securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562

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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

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- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

+ Details

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- Definition

The total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

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- Definition

The cash inflow associated with maturities (principal being due), prepayments and calls (requests of early payments) on securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (a),(b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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- Definition

The cash inflow associated with the sale of debt securities classified as available-for-sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 45

-Paragraph 11

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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