Risk/Return Detail Data - StrategicAdvisersFidelityAlternativesFund-PRO |
May 23, 2025
USD ($)
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| StrategicAdvisersFidelityAlternativesFund-PRO | Strategic Advisers Fidelity Alternatives Fund | Strategic Advisers Fidelity Alternatives Fund | ||||||
| Prospectus Line Items | ||||||
| Management Fees (as a percentage of Assets) | 0.35% | [1],[2] | ||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||
| Other Expenses (as a percentage of Assets): | 0.05% | [1] | ||||
| Acquired Fund Fees and Expenses | 1.12% | [1] | ||||
| Expenses (as a percentage of Assets) | 1.52% | |||||
| Fee Waiver or Reimbursement | (0.25%) | [2] | ||||
| Net Expenses (as a percentage of Assets) | 1.27% | |||||
| Expense Example, with Redemption, 1 Year | $ 129 | |||||
| Expense Example, with Redemption, 3 Years | $ 403 | |||||
| StrategicAdvisersFidelityAlternativesFund-PRO | Strategic Advisers Fidelity Alternatives Fund | ||||||
| Prospectus Line Items | ||||||
| Risk/Return [Heading] | Fund Summary Fund: Strategic Advisers® Fidelity® Alternatives Fund | |||||
| Objective [Heading] | Investment Objective | |||||
| Objective, Primary [Text Block] | Strategic Advisers® Fidelity® Alternatives Fund seeks total return. | |||||
| Expense Heading [Optional Text] | Fee Table | |||||
| Expense Narrative [Text Block] | The following table describes the fees and expenses that may be incurred when you buy, hold, and sell shares of the fund. | |||||
| Shareholder Fees Caption [Optional Text] | Shareholder fees | |||||
| Shareholder Fee, Other | $ 0 | |||||
| Operating Expenses Caption [Optional Text] | Annual Operating Expenses | |||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | September 30, 2028 | |||||
| Portfolio Turnover [Heading] | Portfolio Turnover | |||||
| Portfolio Turnover [Text Block] | The fund will not incur transaction costs, such as commissions, when it buys and sells shares of affiliated mutual funds but may incur transaction costs when buying or selling non-affiliated funds and other types of securities (including Exchange Traded Funds (ETFs)) directly (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when fund shares are held in a taxable account. These costs, which are not reflected in annual operating expenses or in the example, affect the fund's performance. | |||||
| Other Expenses, New Fund, Based on Estimates [Text] | Based on estimated amounts for the current fiscal year. | |||||
| Expense Example Narrative [Text Block] | This example helps compare the cost of investing in the fund with the cost of investing in other funds. Let's say, hypothetically, that the annual return for shares of the fund is 5% and that the fees and the annual operating expenses for shares of the fund are exactly as described in the fee table. This example illustrates the effect of fees and expenses, but is not meant to suggest actual or expected fees and expenses or returns, all of which may vary. For every $10,000 you invested, here's how much you would pay in total expenses if you sell all of your shares at the end of each time period indicated: | |||||
| Strategy [Heading] | Principal Investment Strategies | |||||
| Strategy Narrative [Text Block] | Seeking to provide shareholders with positive total returns over a complete market cycle (generally five to eight years) through multiple "alternative" or non-traditional strategies that may have positive, low or negative correlation to equity markets. Normally allocating the fund's assets among affiliated and unaffiliated mutual funds and exchange-traded funds (collectively, underlying funds), derivatives, and sub-advisers that provide exposure to equity, debt (including debt securities of less than investment-grade quality, also referred to as high yield debt securities or junk bonds), derivatives, currency, and commodities markets, across different market sectors, countries and regions, including the United States, non-U.S. developed markets and emerging markets, cash and cash equivalents. Allocating a majority of the fund's assets among underlying Fidelity® funds and sub-advisers, as well as derivatives, that provide exposure to the investments above. Engaging in transactions that have a leveraging effect on the fund, including long and short investments in derivatives - such as forward contracts, futures, options, swaps, and various volatility related instruments - and forward-settling securities, to: create and adjust the fund's investment exposure; enhance total return; hedge against fluctuations in securities prices, interest rates, or currency exchange rates; change the effective duration of the fund's portfolio; manage certain investment risks; manage volatility; and/or substitute for the purchase or sale of securities, currencies, or commodities. Allocating assets among affiliated funds (i.e., Fidelity® funds, including mutual funds and ETFs), non-affiliated funds that typically participate in Fidelity's FundsNetwork®, non-affiliated ETFs and sub-advisers. Allocating assets among sub-advisers and underlying funds using proprietary fundamental and quantitative research, considering factors including, but not limited to, performance in different market environments, manager experience and investment style, management company infrastructure, costs, asset size, portfolio turnover, and impact on portfolio risk characteristics. Investing up to 25% of assets in one or more wholly-owned subsidiaries organized under the laws of the Cayman Islands with a May 31 fiscal year end that invest in commodity-linked derivative instruments. Pursuant to an exemptive order granted by the Securities and Exchange Commission (SEC), Strategic Advisers LLC (Strategic Advisers) is permitted, subject to the approval of the Board of Trustees, to enter into new or amended sub-advisory agreements with one or more unaffiliated sub-advisers without obtaining shareholder approval of such agreements. Subject to oversight by the Board of Trustees, Strategic Advisers has the ultimate responsibility to oversee the fund's sub-advisers and recommend their hiring, termination, and replacement. In the event the Board of Trustees approves a sub-advisory agreement with a new unaffiliated sub-adviser, shareholders will be provided with information about the new sub-adviser and sub-advisory agreement . | |||||
| Bar Chart and Performance Table [Heading] | Performance | |||||
| Performance Narrative [Text Block] | Performance history will be available for the fund after the fund has been in operation for one calendar year. | |||||
| Performance One Year or Less [Text] | Performance history will be available for the fund after the fund has been in operation for one calendar year. | |||||
| Document Type | 485BPOS | |||||
| Registrant Name | Fidelity Rutland Square Trust II | |||||
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