| 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    |