Risk/Return: Document Type Document Period End Date Registrant Name Central Index Key Amendment Flag Document Creation Date Document Effective Date Prospectus Date Rbc funds trust [Abstract] Prospectus: Risk/Return [Heading] Objective [Heading] Objective, Primary [Text Block] Expense [Heading] Expense Narrative [Text Block] Shareholder Fees Caption [Text] Shareholder Fees [Table] Operating Expenses Caption [Text] Annual Fund Operating Expenses [Table] Expense Example [Heading] Expense Example Narrative [Text Block] Expense Example, With Redemption [Table] Portfolio Turnover [Heading] Portfolio Turnover [Text Block] Strategy [Heading] Strategy Narrative [Text Block] Risk [Heading] Risk Narrative [Text Block] Bar Chart and Performance Table [Heading] Performance Narrative [Text Block] Bar Chart [Heading] Bar Chart [Table] Bar Chart Closing [Text Block] Performance Table Heading Performance Table Narrative Performance [Table] Shareholder Fees: Maximum Sales Charge (Load) Imposed on Purchases (as a % of offering price) Maximum Sales Charge (Load) Imposed on Purchases (as a % of offering price) Maximum Deferred Sales Charge (Load) (as a % of offering or sales price, whichever is less) Redemption Fee (as a percentage of Amount Redeemed) Redemption Fee (as a % of amount redeemed or exchanged within 30 days after the date of purchase) Operating Expenses: Management Fees Management Fee Distribution and Service (12b-1) Fees Distribution and Service (12b-1) Fee Total Other Expenses Other Expenses Total Other Expenses Other Expenses (includes 0.08% Interest Expense) Expenses (as a percentage of Assets) Total Annual Fund Operating Expenses Total Annual Fund Operating Expenses Fee Waiver and/or Expense Reimbursement Fee Waiver and/or Expense Reimbursement Fee Waiver and/or Expense Reimbursement Net Expenses (as a percentage of Assets) Total Annual Fund Operating Expenses after Fee Waiver and/or Expense Reimbursement Total Annual Fund Operating Expenses after Fee Waiver and/or Expense Reimbursement Expense Example: Expense Example, with Redemption, 1 Year 1 Year One Year Expense Example, with Redemption, 3 Years 3 Years Three Years Expense Example, with Redemption, 5 Years 5 Years Five Years Expense Example, with Redemption, 10 Years 10 Years Ten Years Bar Chart Table: Annual Return 2002 Annual Return 2003 Annual Return 2004 Annual Return 2005 Annual Return 2006 Annual Return 2007 Annual Return 2008 Annual Return 2009 Annual Return 2010 Annual Return 2011 Average Annual Return: Past Year Past 5 Years Past 10 Years Since Inception Inception Date Fee Waiver or Reimbursement over Assets, Date of Termination Portfolio Turnover, Rate Expense Breakpoint Discounts [Text] Expense Breakpoint, Minimum Investment Required [Amount] Risk Lose Money [Text] Risk Nondiversified Status [Text] Risk Not Insured Depository Institution [Text] Performance Information Illustrates Variability of Returns [Text] Performance Availability Phone [Text] Performance Availability Website Address [Text] Performance Past Does Not Indicate Future [Text] Bar Chart Does Not Reflect Sales Loads [Text] Year to Date Return, Label Bar Chart, Year to Date Return, Date Bar Chart, Year to Date Return Highest Quarterly Return, Label Label Highest Quarterly Return, Date Highest Quarterly Return Lowest Quarterly Return, Label Label Lowest Quarterly Return, Date Lowest Quarterly Return Performance Table Uses Highest Federal Rate Performance Table Not Relevant to Tax Deferred Performance Table One Class of after Tax Shown [Text] Performance Table Explanation after Tax Higher Performance Measure [Axis] After Taxes On Distributions [Member] After Taxes on Distributions After Taxes On Distributions And Sales [Member] After Taxes on Distributions and Sale of Shares Series [Axis] Entity [Domain] Series S000027288 [Member] RBC Mid Cap Value Fund Share Class [Axis] Share Class [Domain] Share Classes S000027288 Class Parent [Member] RBC Mid Cap Value Fund Class Parent C000082323 [Member] Class I Performance Measure [Domain] Before Taxes Russell Midcap Value Index [Member] Russell Midcap Value Index [Member] Russell Midcap Value Index (reflects no deduction for fees, expenses or taxes) Russell 2500 Growth Index [Member] Russell2500 Growth Index [Member] Russell 2500 Growth Index (reflects no deduction for fees, expenses or taxes) Russell 2000 Index (November 30, 1983) [Member] Russell2000 Index November301983 [Member] Russell 2000 Index (reflects no deduction for fees, expenses or taxes; inception calculated from November 30, 1983) Russell 2000 Index (July 31, 1991) [Member] Russell2000 Index July311991 [Member] Russell 2000 Index (reflects no deduction for fees, expenses or taxes; inception calculated from July 31, 1991) Russell 2000 Value Index (August 31, 1987) [Member] Russell2000 Value Index August311987 [Member] Russell 2000 Value Index (reflects no deduction for fees, expenses or taxes; inception calculated from August 31, 1987) Barclays Capital U.S. Securitized Index [Member] Barclays Capital U S Securitized Index [Member] Barclays Capital U.S. Securitized Index (reflects no deduction for fees, expenses or taxes) Barclays Capital U.S. Aggregate Bond Index [Member] Barclays Capital U S Aggregate Bond Index [Member] Barclays Capital U.S. Aggregate Bond Index (reflects no deduction for fees, expenses or taxes) S000001804 [Member] RBC SMID Cap Growth Fund S000001804 Class Parent [Member] RBC SMID Cap Growth Fund Class Parent C000004723 [Member] Class A C000004724 [Member] Class I S000001811 [Member] RBC Enterprise Fund S000001811 Class Parent [Member] RBC Enterprise Fund Class Parent C000004738 [Member] Class A C000034084 [Member] Class I S000001812 [Member] RBC Small Cap Core Fund S000001812 Class Parent [Member] RBC Small Cap Core Fund Class Parent C000004742 [Member] Class A C000047132 [Member] Class I S000001814 [Member] RBC Microcap Value Fund S000001814 Class Parent [Member] RBC Microcap Value Fund Class Parent C000004750 [Member] Class A C000004753 [Member] Class I S000022825 [Member] Access Capital Community Investment Fund S000022825 Class Parent [Member] Access Capital Community Investment Fund Class Parent C000074294 [Member] Class A C000066097 [Member] Class I