Business Combinations (NDS) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jul. 26, 2014	Jul. 27, 2013
Business Acquisition [Line Items]
Total purchase consideration	$ 3,181	$ 6,982
Goodwill	2,318	4,913
Purchased Intangible Assets	(838)	(2,391)
NDS Group Limited
Business Acquisition [Line Items]
Cash consideration to seller		4,012
Repayment of NDS debt to third party creditors		993
Total purchase consideration		5,005
Cash and cash equivalents		98
Accounts receivable, net		199
Other tangible assets		268
Goodwill		3,444
Purchased Intangible Assets		(1,746)
Deferred tax liabilities, net		(378)
Liabilities assumed		$ (372)

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of other assets expected to be realized or consumed before one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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