Business Combinations (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended		9 Months Ended
Apr. 30, 2011 Mint Software Inc. [Member]	Nov. 02, 2009 Mint Software Inc. [Member]	Apr. 30, 2011 Medfusion Inc. [Member]	May 21, 2010 Medfusion Inc. [Member]
Business Combinations (Textuals)
Cost of acquired entity		$ 170		$ 89
Fair value of assumed equity awards and cash retention bonuses that will be charged to expense over a three year service period		24		10
Allocation of consideration to tangible assets and liabilities		1		8
Allocation of consideration to identified intangible assets		43		23
Excess consideration as goodwill		$ 102		$ 62
Amortization of identified intangible assets over weighted average life, in years	7		6
Period for charging total consideration as expense		3		3

Business Combinations Textuals.

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Fair value of assumed equity awards and cash retention bonuses.

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Period for charging total consideration as expense.

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The calculated weighted-average amortization period of a major class of finite-lived intangible assets acquired during the current period either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 44
-Subparagraph a(3)
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16265-109275

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The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Paragraph 51
-Subparagraph d
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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The amount of identifiable intangible assets recognized as of the acquisition date.

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-Topic 805
-SubTopic 20
-Section 50
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-URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472

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-Topic 805
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-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=6910123&loc=d3e2207-128464

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The amount of property, plant, and equipment recognized as of the acquisition date.

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