| Component: (Network and Table) | |
|---|---|
| Network | 193 - Disclosure - Valuation and Qualifying Accounts (Detail) (http://www.salesforce.com/taxonomy/role/DisclosureValuationAndQualifyingAccounts) | 
| Table | Valuation and Qualifying Accounts Disclosure [Table] | 
| Reporting Entity [Axis] | 0001108524 (http://www.sec.gov/CIK) | 
| Legal Entity [Axis] | Entity [Domain] | 
| Valuation Allowances And Reserves Type [Axis] | Allowance For Doubtful Accounts [Member] | 
| Valuation and Qualifying Accounts Disclosure [Line Items] | Period [Axis] | ||
|---|---|---|---|
| 2012-02-01 - 2013-01-31 | 2011-02-01 - 2012-01-31 | 2010-02-01 - 2011-01-31 | |
| Balance at Beginning of Year | 1,273,000   | 1,711,000   | 1,050,000   | 
| Additions | 6,350,000   | 4,174,000   | 3,995,000   | 
| Deductions Write-offs | 5,770,000   | 4,612,000   | 3,334,000   | 
| Balance at End of Year | 1,853,000   | 1,273,000   | 1,711,000   |