S 000002074 Summary [Member]
Prospectus Summary
Prospectus Summary
S 000002074 [Member]
T. Rowe Price QM U.S. Small-Cap Growth Equity Fund
T. Rowe Price QM U.S. Small-Cap Growth Equity Fund
Amendment Flag
Amendment Flag
Document Creation Date
Document Creation Date
Prospectus
Prospectus
Document Effective Date
Document Effective Date
Document [Axis]
Document [Axis]
Document Period End Date
Document Period End Date
Document Type
Document Type
Entity Central Index Key
Entity Central Index Key
EntityInvCompanyType
EntityInvCompanyType
Registrant Name
Registrant Name
Series [Axis]
Series [Axis]
After Taxes on Distributions and Sales
After Taxes on Distributions and Sales
After Taxes on Distributions
After Taxes on Distributions
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses [Table]
Bar Chart [Table]
Bar Chart [Table]
Expense Example, No Redemption [Table]
Expense Example, No Redemption [Table]
Expense Example, With Redemption [Table]
Expense Example, With Redemption [Table]
Market Index Performance [Table]
Market Index Performance [Table]
Performance Measure [Axis]
Performance Measure [Axis]
Before Taxes
Before Taxes
Performance [Table]
Performance [Table]
Prospectus Date
Prospectus Date
Share Class [Axis]
Share Class [Axis]
Prospectus:
Prospectus:
Risk/Return:
Risk/Return:
Shareholder Fees [Table]
Shareholder Fees [Table]
Supplement to Prospectus [Text Block]
Supplement to Prospectus [Text Block]