T. Rowe Price Mid Cap Growth Portfolio Fees and Expenses - T. Rowe Price Mid Cap Growth Portfolio |
Dec. 31, 2025 |
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| Prospectus [Line Items] | |
| Expense Heading [Optional Text] | <span style="color:#000000;font-family:Times New Roman;font-size:11.5pt;font-weight:bold;">Fees and Expenses of the Portfolio</span> |
| Expense Narrative [Text Block] | The following table describes the fees and expenses that you may pay if you buy and hold shares of the Portfolio. The table and the Example below do not reflect the fees, expenses or withdrawal charges imposed by your variable life insurance policy or variable annuity contract (the “Contract”). If Contract expenses were reflected, the fees and expenses in the table and Example would be higher. See the Contract prospectus for a description of those fees, expenses and charges. |
| Shareholder Fees Caption [Optional Text] | <span style="color:#000000;font-family:Times New Roman;font-size:11.5pt;font-weight:bold;margin-left:0.0pt;">Shareholder Fees</span><span style="color:#000000;font-family:Times New Roman;font-size:11.5pt;margin-left:0.0pt;">(fees paid directly from your investment)</span> |
| Operating Expenses Caption [Optional Text] | <span style="font-family:Times New Roman;font-size:11.5pt;font-weight:bold;margin-left:0.0pt;">Annual Portfolio Operating Expenses </span><span style="font-family:Times New Roman;font-size:11.5pt;margin-left:0.0pt;">(expenses </span><span style="font-family:Times New Roman;font-size:11.5pt;margin-left:0.0pt;">that you pay each year as a percentage of the value of </span><span style="font-family:Times New Roman;font-size:11.5pt;margin-left:0.0pt;">your investment)</span> |
| Expense Example [Heading] | <span style="color:#000000;font-family:Times New Roman;font-size:11.5pt;font-weight:bold;">Example</span> |
| Expense Example Narrative [Text Block] | The following Example is intended to help you compare the cost of investing in the Portfolio with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Portfolio for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year, that the Portfolio’s operating expenses remain the same, and that all fee waivers for the Portfolio will expire after one year. Although your actual costs may be higher or lower, based on these assumptions, your costs would be: |
| Portfolio Turnover [Heading] | <span style="color:#000000;font-family:Times New Roman;font-size:11.5pt;font-weight:bold;">Portfolio Turnover</span> |
| Portfolio Turnover [Text Block] | The Portfolio pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs. These costs, which are not reflected in annual portfolio operating expenses or in the Example, affect the Portfolio’s performance. During the most recent fiscal year, the Portfolio’s portfolio turnover rate was 37% of the average value of its portfolio. |
| Portfolio Turnover, Rate | 37.00% |