|
Commitments And Contingencies (Additional Information) (Details) (USD $)
|
3 Months Ended | 3 Months Ended | 45 Months Ended | 3 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Oct. 26, 2013
|
Jul. 27, 2013
|
Oct. 26, 2013
Minimum [Member]
|
Oct. 26, 2013
Maximum [Member]
|
Oct. 26, 2013
Acquisition [Member]
|
Oct. 27, 2012
Acquisition [Member]
|
Oct. 26, 2013
Acquisition [Member]
Maximum [Member]
|
Oct. 26, 2013
Investments In Privately Held Companies
|
Jul. 27, 2013
Investments In Privately Held Companies
|
Oct. 26, 2013
VCE [Member]
|
Oct. 27, 2012
VCE [Member]
|
Apr. 27, 2013
VCE [Member]
|
Oct. 26, 2013
Insieme Networks Inc [Member]
|
Oct. 26, 2013
Insieme Networks Inc [Member]
November 2012 Amendment [Member]
|
Oct. 26, 2013
Insieme Networks Inc [Member]
Including $257M expensed year-to-date [Member]
Maximum [Member]
|
Oct. 26, 2013
XpertUniverse [Member]
Fraud by concealment claims [Member]
|
Oct. 26, 2013
XpertUniverse [Member]
Maximum [Member]
Patents infringement [Member]
|
|
| Site Contingency [Line Items] | |||||||||||||||||
| Inventory purchase commitments | $ 4,020,000,000 | $ 4,033,000,000 | |||||||||||||||
| Recorded liabilities related to inventory purchase commitments | 169,000,000 | 172,000,000 | |||||||||||||||
| Compensation Expense | 304,000,000 | 12,000,000 | 853,000,000 | 257,000,000 | 863,000,000 | ||||||||||||
| Funding commitments | 265,000,000 | 263,000,000 | |||||||||||||||
| Cumulative investment in entity | 578,000,000 | ||||||||||||||||
| Ownership percentage in entity (in percentage) | 35.00% | ||||||||||||||||
| Investments for the period, equity method | 64,000,000 | ||||||||||||||||
| Company's share of VCE's losses (in percentage) | 36.80% | 36.80% | |||||||||||||||
| Cumulative lossess - VCE | 53,000,000 | 42,000,000 | 475,000,000 | ||||||||||||||
| VCE-Carrying Value | 103,000,000 | ||||||||||||||||
| Initial investment in Insieme | 100,000,000 | ||||||||||||||||
| Conditional additional investment in Insieme | 35,000,000 | ||||||||||||||||
| Ownership percentage of Insieme | 83.00% | ||||||||||||||||
| Warranty Period for Products, low range (in days) | 90 days | ||||||||||||||||
| Warranty Period For Products, high range (in years) | 5 years | ||||||||||||||||
| Brazilian authority claim of import tax evasion by importer, tax portion | 394,000,000 | ||||||||||||||||
| Brazilian authority claim of import tax evasion by importer, interest portion | 1,200,000,000 | ||||||||||||||||
| Brazilian authority claim of import tax evasion by importer, penalties portion | 1,800,000,000 | ||||||||||||||||
| Loss Contingency, Damages Awarded, Value | 70,000,000 | 35,000 | |||||||||||||||
| Loss Contingency, Damages Award Vacated, Value | $ (70,000,000) | ||||||||||||||||