Performance Management - Federated Hermes Strategic Dividend Growth Fund Inc.	Nov. 30, 2025
Prospectus [Line Items]
Bar Chart and Performance Table [Heading]	<span style="color:#000000;font-family:Arial;font-size:8pt;font-weight:bold;text-transform:uppercase;">Performance: Bar Chart and Table</span><span style="color:#000000;font-family:Arial;font-size:8.5pt;font-weight:bold;">Risk/Return Bar Chart</span>
Performance Narrative [Text Block]	The bar chart and performance table below reflect historical performance data for the Fund and are intended to help you analyze the Fund’s investment risks in light of its historical returns. The bar chart shows the variability of the Fund’s A class total returns on a calendar year-by-year basis. The Average Annual Total Return Table shows returns for each class averaged over the stated periods, and includes comparative performance information with a broad-based securities market index. The Fund’s performance is also compared to a secondary index to show how the Fund’s performance compares with the returns of an index with similar investments. The Fund’s performance will fluctuate, and past performance (before and after taxes) is not necessarily an indication of future results.Updated performance information for the Fund is available under the “Products” section at FederatedHermes.com/us or by calling 1-800-341-7400.
Performance Past Does Not Indicate Future [Text]	<span style="color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;">The Fund’s performance will fluctuate, and past performance (before and after taxes) is not necessarily an indication of future results.</span>
Performance Information Illustrates Variability of Returns [Text]	<span style="color:#000000;font-family:Times New Roman;font-size:10pt;margin-left:10pt;">The bar chart and performance table below reflect historical performance data for the Fund and are intended to help you </span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;">analyze the Fund’s investment risks in light of its historical returns. The bar chart shows the variability of the Fund’s A class total returns on a calendar year-by-year basis.</span>
Bar Chart Does Not Reflect Sales Loads [Text]	<span style="color:#000000;font-family:Arial Narrow;font-size:7.75pt;font-style:italic;">The total returns shown in the bar chart do not reflect the payment of any sales charges or recurring shareholder account fees. If these charges or fees had been included, the returns shown would have been lower.</span>
Bar Chart [Heading]	Federated Hermes Strategic Dividend Growth Fund, Inc. – A Class
Bar Chart Closing [Text Block]	The total returns shown in the bar chart do not reflect the payment of any sales charges or recurring shareholder account fees. If these charges or fees had been included, the returns shown would have been lower.Within the periods shown in the bar chart, the Fund’s A class highest quarterly return was 15.82% (quarter ended December 31, 2020). Its lowest quarterly return was (25.16)% (quarter ended March 31, 2020).
Performance Table Heading	<span style="color:#000000;font-family:Arial;font-size:8.5pt;font-weight:bold;">Average Annual Total Return Table</span>
Performance Table Narrative	In addition to Return Before Taxes, Return After Taxes is shown for the Fund’s A class to illustrate the effect of federal taxes on Fund returns. After-tax returns are shown only for A class, and after-tax returns for C, F, R and IS classes will differ from those shown for the A class.Actual after-tax returns depend on each investor’s personal tax situation, and are likely to differ from those shown. After-tax returns are calculated using a standard set of assumptions. The stated returns assume the highest historical federal income and capital gains tax rates. These after-tax returns do not reflect the effect of any applicable state and local taxes.After-tax returns are not relevant to investors holding Shares through a 401(k) plan, an Individual Retirement Account or other tax-advantaged investment plans.(For the Period Ended December 31, 2025)
Performance Table Uses Highest Federal Rate	<span style="color:#000000;font-family:Times New Roman;font-size:10pt;">After-tax returns are calculated using a standard set of assumptions. The stated returns </span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;">assume the highest historical </span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:bold;">federal</span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;"> income and capital gains tax rates. These after-tax returns do </span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:bold;">not</span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;"> reflect the effect of any applicable </span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:bold;">state</span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;"> and </span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:bold;">local</span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;"> taxes.</span>
Performance Table Not Relevant to Tax Deferred	<span style="color:#000000;font-family:Times New Roman;font-size:10pt;">After-tax returns are not relevant to investors holding Shares through a 401(k) plan, an Individual Retirement Account or other tax-advantaged investment plans.</span>
Performance Table One Class of after Tax Shown [Text]	<span style="color:#000000;font-family:Times New Roman;font-size:10pt;">After-tax returns are shown only for A class, and after-tax returns for C, F, R and IS classes will </span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;">differ from those shown for the A class.</span>
Performance Availability Website Address [Text]	<span style="color:#000000;font-family:Times New Roman;font-size:10pt;">FederatedHermes.com/us</span>
Performance Availability Phone [Text]	<span style="color:#000000;font-family:Times New Roman;font-size:10pt;">1-800-341-7400</span>
A
Prospectus [Line Items]
Highest Quarterly Return, Label [Optional Text]	highest quarterly return
Highest Quarterly Return	15.82%
Highest Quarterly Return, Date	Dec. 31, 2020
Lowest Quarterly Return, Label [Optional Text]	lowest quarterly return
Lowest Quarterly Return	(25.16%)
Lowest Quarterly Return, Date	Mar. 31, 2020