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Balance Sheet and Other Details (Tables)
12 Months Ended
Jul. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Cash, Cash Equivalents, and Restricted Cash
The following tables provide details of selected balance sheet and other items (in millions):
Cash, Cash Equivalents, and Restricted Cash
July 31, 2021July 25, 2020
Cash and cash equivalents$9,175 $11,809 
Restricted cash included in other current assets14 — 
Restricted cash included in other assets753 
Total cash, cash equivalents, and restricted cash$9,942 $11,812 
Cash, Cash Equivalents, and Restricted Cash
The following tables provide details of selected balance sheet and other items (in millions):
Cash, Cash Equivalents, and Restricted Cash
July 31, 2021July 25, 2020
Cash and cash equivalents$9,175 $11,809 
Restricted cash included in other current assets14 — 
Restricted cash included in other assets753 
Total cash, cash equivalents, and restricted cash$9,942 $11,812 
Inventories
Inventories
July 31, 2021July 25, 2020
Raw materials$801 $456 
Work in process54 25 
Finished goods:
Deferred cost of sales97 59 
Manufactured finished goods422 542 
Total finished goods519 601 
Service-related spares174 184 
Demonstration systems11 16 
Total$1,559 $1,282 
Property and Equipment, Net Depreciation and amortization are computed using the straight-line method, generally over the following periods:
Asset CategoryPeriod
Buildings
25 years
Building improvements
10 years
Leasehold improvements
Shorter of remaining lease term or up to 10 years
Computer equipment and related software
30 to 36 months
Production, engineering, and other equipment
Up to 5 years
Operating lease assetsBased on lease term
Furniture and fixtures
5 years
Property and Equipment, Net
July 31, 2021July 25, 2020
Gross property and equipment:
Land, buildings, and building and leasehold improvements$4,304 $4,252 
Computer equipment and related software858 875 
Production, engineering, and other equipment5,106 5,163 
Operating lease assets273 337 
Furniture, fixtures and other377 387 
Total gross property and equipment10,918 11,014 
Less: accumulated depreciation and amortization(8,580)(8,561)
Total$2,338 $2,453 
Remaining Performance Obligations
Remaining Performance Obligations
July 31, 2021July 25, 2020
Product$13,270 $11,261 
Service17,623 17,093 
Total$30,893 $28,354 
Deferred Revenue
Deferred Revenue
July 31, 2021July 25, 2020
Product$9,416 $7,895 
Service12,748 12,551 
Total$22,164 $20,446 
Reported as:
Current$12,148 $11,406 
Noncurrent10,016 9,040 
Total$22,164 $20,446