v3.26.3
Shareholder Report
 12 Months Ended
Jul. 31, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSR
Amendment Flag false
Registrant Name Federated Hermes Money Market Obligations Trust
Entity Central Index Key 0000856517
Entity Investment Company Type N-1A
Document Period End Date Jul. 31, 2026
Shareholder Report Annual or Semi-Annual Annual Shareholder Report
C000194027  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Administrative Shares
Trading Symbol GOEXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Administrative Shares
$46
0.45%
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.45%
AssetsNet $ 177,455,889,239
Holdings Count | Holding 135
Advisory Fees Paid, Amount $ 131,821,911
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$177,455,889,239
  • Number of Investments135
  • Total Advisory Fees Paid$131,821,911
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
22.7%
U.S. Government Agency Securities
25.0%
Repurchase Agreements
50.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.2%
91-180 Days
8.8%
31-90 Days
10.1%
8-30 Days
2.4%
1-7 Days
69.0%
Material Fund Change [Text Block]
C000190786  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Advisor Shares
Trading Symbol GOVXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Advisor Shares
$15
0.15%
Expenses Paid, Amount $ 15
Expense Ratio, Percent 0.15%
AssetsNet $ 177,455,889,239
Holdings Count | Holding 135
Advisory Fees Paid, Amount $ 131,821,911
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$177,455,889,239
  • Number of Investments135
  • Total Advisory Fees Paid$131,821,911
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
22.7%
U.S. Government Agency Securities
25.0%
Repurchase Agreements
50.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.2%
91-180 Days
8.8%
31-90 Days
10.1%
8-30 Days
2.4%
1-7 Days
69.0%
Material Fund Change [Text Block]
C000026059  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Capital Shares
Trading Symbol GOCXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Capital Shares
$31
0.30%
Expenses Paid, Amount $ 31
Expense Ratio, Percent 0.30%
AssetsNet $ 177,455,889,239
Holdings Count | Holding 135
Advisory Fees Paid, Amount $ 131,821,911
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$177,455,889,239
  • Number of Investments135
  • Total Advisory Fees Paid$131,821,911
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
22.7%
U.S. Government Agency Securities
25.0%
Repurchase Agreements
50.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.2%
91-180 Days
8.8%
31-90 Days
10.1%
8-30 Days
2.4%
1-7 Days
69.0%
Material Fund Change [Text Block]
C000157038  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Cash II Shares
Trading Symbol GFYXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Cash II Shares
$84
0.83%
Expenses Paid, Amount $ 84
Expense Ratio, Percent 0.83%
AssetsNet $ 177,455,889,239
Holdings Count | Holding 135
Advisory Fees Paid, Amount $ 131,821,911
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$177,455,889,239
  • Number of Investments135
  • Total Advisory Fees Paid$131,821,911
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
22.7%
U.S. Government Agency Securities
25.0%
Repurchase Agreements
50.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.2%
91-180 Days
8.8%
31-90 Days
10.1%
8-30 Days
2.4%
1-7 Days
69.0%
Material Fund Change [Text Block]
C000157039  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Cash Series Shares
Trading Symbol GFSXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Cash Series Shares
$103
1.02%
Expenses Paid, Amount $ 103
Expense Ratio, Percent 1.02%
AssetsNet $ 177,455,889,239
Holdings Count | Holding 135
Advisory Fees Paid, Amount $ 131,821,911
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$177,455,889,239
  • Number of Investments135
  • Total Advisory Fees Paid$131,821,911
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
22.7%
U.S. Government Agency Securities
25.0%
Repurchase Agreements
50.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.2%
91-180 Days
8.8%
31-90 Days
10.1%
8-30 Days
2.4%
1-7 Days
69.0%
Material Fund Change [Text Block]
C000026060  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Institutional Shares
Trading Symbol GOIXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Shares
$20
0.20%
Expenses Paid, Amount $ 20
Expense Ratio, Percent 0.20%
AssetsNet $ 177,455,889,239
Holdings Count | Holding 135
Advisory Fees Paid, Amount $ 131,821,911
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$177,455,889,239
  • Number of Investments135
  • Total Advisory Fees Paid$131,821,911
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
22.7%
U.S. Government Agency Securities
25.0%
Repurchase Agreements
50.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.2%
91-180 Days
8.8%
31-90 Days
10.1%
8-30 Days
2.4%
1-7 Days
69.0%
Material Fund Change [Text Block]
C000151096  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Premier Shares
Trading Symbol GOFXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Premier Shares
$15
0.15%
Expenses Paid, Amount $ 15
Expense Ratio, Percent 0.15%
AssetsNet $ 177,455,889,239
Holdings Count | Holding 135
Advisory Fees Paid, Amount $ 131,821,911
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$177,455,889,239
  • Number of Investments135
  • Total Advisory Fees Paid$131,821,911
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
22.7%
U.S. Government Agency Securities
25.0%
Repurchase Agreements
50.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.2%
91-180 Days
8.8%
31-90 Days
10.1%
8-30 Days
2.4%
1-7 Days
69.0%
Material Fund Change [Text Block]
C000235065  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name SDG Shares
Trading Symbol GPHXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
SDG Shares
$15
0.15%
Expenses Paid, Amount $ 15
Expense Ratio, Percent 0.15%
AssetsNet $ 177,455,889,239
Holdings Count | Holding 135
Advisory Fees Paid, Amount $ 131,821,911
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$177,455,889,239
  • Number of Investments135
  • Total Advisory Fees Paid$131,821,911
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
22.7%
U.S. Government Agency Securities
25.0%
Repurchase Agreements
50.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.2%
91-180 Days
8.8%
31-90 Days
10.1%
8-30 Days
2.4%
1-7 Days
69.0%
Material Fund Change [Text Block]
C000168188  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Select Shares
Trading Symbol GRTXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Select Shares
$18
0.18%
Expenses Paid, Amount $ 18
Expense Ratio, Percent 0.18%
AssetsNet $ 177,455,889,239
Holdings Count | Holding 135
Advisory Fees Paid, Amount $ 131,821,911
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$177,455,889,239
  • Number of Investments135
  • Total Advisory Fees Paid$131,821,911
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
22.7%
U.S. Government Agency Securities
25.0%
Repurchase Agreements
50.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.2%
91-180 Days
8.8%
31-90 Days
10.1%
8-30 Days
2.4%
1-7 Days
69.0%
Material Fund Change [Text Block]
C000026061  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Service Shares
Trading Symbol GOSXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Service Shares
$43
0.42%
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.42%
AssetsNet $ 177,455,889,239
Holdings Count | Holding 135
Advisory Fees Paid, Amount $ 131,821,911
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$177,455,889,239
  • Number of Investments135
  • Total Advisory Fees Paid$131,821,911
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
22.7%
U.S. Government Agency Securities
25.0%
Repurchase Agreements
50.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.2%
91-180 Days
8.8%
31-90 Days
10.1%
8-30 Days
2.4%
1-7 Days
69.0%
Material Fund Change [Text Block]
C000026062  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Government Obligations Fund
Class Name Trust Shares
Trading Symbol GORXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Government Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Trust Shares
$69
0.68%
Expenses Paid, Amount $ 69
Expense Ratio, Percent 0.68%
AssetsNet $ 177,455,889,239
Holdings Count | Holding 135
Advisory Fees Paid, Amount $ 131,821,911
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$177,455,889,239
  • Number of Investments135
  • Total Advisory Fees Paid$131,821,911
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
22.7%
U.S. Government Agency Securities
25.0%
Repurchase Agreements
50.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
8.2%
91-180 Days
8.8%
31-90 Days
10.1%
8-30 Days
2.4%
1-7 Days
69.0%
Material Fund Change [Text Block]
C000026156  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Institutional Prime Obligations Fund
Class Name Institutional Shares
Trading Symbol POIXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Institutional Prime Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Shares
$18
0.18%
Expenses Paid, Amount $ 18
Expense Ratio, Percent 0.18%
AssetsNet $ 17,442,896,871
Holdings Count | Holding 153
Advisory Fees Paid, Amount $ 16,470,850
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$17,442,896,871
  • Number of Investments153
  • Total Advisory Fees Paid$16,470,850
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Asset-Backed Securities
0.1%
Bank Note
1.9%
Variable Rate Instruments
11.0%
Bank Instruments
15.3%
Commercial Paper
20.8%
Other Repurchase Agreements and Repurchase Agreements
50.5%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
12.3%
91-180 Days
6.1%
31-90 Days
10.0%
8-30 Days
3.2%
1-7 Days
68.0%
Material Fund Change [Text Block]
C000026157  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Institutional Prime Obligations Fund
Class Name Service Shares
Trading Symbol PRSXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Institutional Prime Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Service Shares
$43
0.42%
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.42%
AssetsNet $ 17,442,896,871
Holdings Count | Holding 153
Advisory Fees Paid, Amount $ 16,470,850
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$17,442,896,871
  • Number of Investments153
  • Total Advisory Fees Paid$16,470,850
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Asset-Backed Securities
0.1%
Bank Note
1.9%
Variable Rate Instruments
11.0%
Bank Instruments
15.3%
Commercial Paper
20.8%
Other Repurchase Agreements and Repurchase Agreements
50.5%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
12.3%
91-180 Days
6.1%
31-90 Days
10.0%
8-30 Days
3.2%
1-7 Days
68.0%
Material Fund Change [Text Block]
C000157048  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Automated Shares
Trading Symbol PTAXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Automated Shares
$51
0.50%
Expenses Paid, Amount $ 51
Expense Ratio, Percent 0.50%
AssetsNet $ 103,599,328,299
Holdings Count | Holding 235
Advisory Fees Paid, Amount $ 122,469,917
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$103,599,328,299
  • Number of Investments235
  • Total Advisory Fees Paid$122,469,917
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.3%
Variable Rate Instruments
11.5%
Bank Instruments
12.8%
Commercial Paper
17.5%
Other Repurchase Agreements and Repurchase Agreements
52.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
11.7%
91-180 Days
6.3%
31-90 Days
8.3%
8-30 Days
4.0%
1-7 Days
67.6%
Material Fund Change [Text Block]
C000190787  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Advisor Shares
Trading Symbol PCVXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Advisor Shares
$20
0.20%
Expenses Paid, Amount $ 20
Expense Ratio, Percent 0.20%
AssetsNet $ 103,599,328,299
Holdings Count | Holding 235
Advisory Fees Paid, Amount $ 122,469,917
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$103,599,328,299
  • Number of Investments235
  • Total Advisory Fees Paid$122,469,917
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.3%
Variable Rate Instruments
11.5%
Bank Instruments
12.8%
Commercial Paper
17.5%
Other Repurchase Agreements and Repurchase Agreements
52.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
11.7%
91-180 Days
6.3%
31-90 Days
8.3%
8-30 Days
4.0%
1-7 Days
67.6%
Material Fund Change [Text Block]
C000026149  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Capital Shares
Trading Symbol PCCXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Capital Shares
$31
0.30%
Expenses Paid, Amount $ 31
Expense Ratio, Percent 0.30%
AssetsNet $ 103,599,328,299
Holdings Count | Holding 235
Advisory Fees Paid, Amount $ 122,469,917
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$103,599,328,299
  • Number of Investments235
  • Total Advisory Fees Paid$122,469,917
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.3%
Variable Rate Instruments
11.5%
Bank Instruments
12.8%
Commercial Paper
17.5%
Other Repurchase Agreements and Repurchase Agreements
52.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
11.7%
91-180 Days
6.3%
31-90 Days
8.3%
8-30 Days
4.0%
1-7 Days
67.6%
Material Fund Change [Text Block]
C000157049  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Cash II Shares
Trading Symbol PCDXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Cash II Shares
$91
0.90%
Expenses Paid, Amount $ 91
Expense Ratio, Percent 0.90%
AssetsNet $ 103,599,328,299
Holdings Count | Holding 235
Advisory Fees Paid, Amount $ 122,469,917
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$103,599,328,299
  • Number of Investments235
  • Total Advisory Fees Paid$122,469,917
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.3%
Variable Rate Instruments
11.5%
Bank Instruments
12.8%
Commercial Paper
17.5%
Other Repurchase Agreements and Repurchase Agreements
52.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
11.7%
91-180 Days
6.3%
31-90 Days
8.3%
8-30 Days
4.0%
1-7 Days
67.6%
Material Fund Change [Text Block]
C000157045  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Cash Series Shares
Trading Symbol PTSXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Cash Series Shares
$107
1.05%
Expenses Paid, Amount $ 107
Expense Ratio, Percent 1.05%
AssetsNet $ 103,599,328,299
Holdings Count | Holding 235
Advisory Fees Paid, Amount $ 122,469,917
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$103,599,328,299
  • Number of Investments235
  • Total Advisory Fees Paid$122,469,917
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.3%
Variable Rate Instruments
11.5%
Bank Instruments
12.8%
Commercial Paper
17.5%
Other Repurchase Agreements and Repurchase Agreements
52.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
11.7%
91-180 Days
6.3%
31-90 Days
8.3%
8-30 Days
4.0%
1-7 Days
67.6%
Material Fund Change [Text Block]
C000157046  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Class R Shares
Trading Symbol PTRXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class R Shares
$117
1.15%
Expenses Paid, Amount $ 117
Expense Ratio, Percent 1.15%
AssetsNet $ 103,599,328,299
Holdings Count | Holding 235
Advisory Fees Paid, Amount $ 122,469,917
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$103,599,328,299
  • Number of Investments235
  • Total Advisory Fees Paid$122,469,917
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.3%
Variable Rate Instruments
11.5%
Bank Instruments
12.8%
Commercial Paper
17.5%
Other Repurchase Agreements and Repurchase Agreements
52.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
11.7%
91-180 Days
6.3%
31-90 Days
8.3%
8-30 Days
4.0%
1-7 Days
67.6%
Material Fund Change [Text Block]
C000026148  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Service Shares
Trading Symbol PRCXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Service Shares
$46
0.45%
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.45%
AssetsNet $ 103,599,328,299
Holdings Count | Holding 235
Advisory Fees Paid, Amount $ 122,469,917
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$103,599,328,299
  • Number of Investments235
  • Total Advisory Fees Paid$122,469,917
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.3%
Variable Rate Instruments
11.5%
Bank Instruments
12.8%
Commercial Paper
17.5%
Other Repurchase Agreements and Repurchase Agreements
52.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
11.7%
91-180 Days
6.3%
31-90 Days
8.3%
8-30 Days
4.0%
1-7 Days
67.6%
Material Fund Change [Text Block]
C000157047  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Trust Shares
Trading Symbol PTTXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Trust Shares
$69
0.68%
Expenses Paid, Amount $ 69
Expense Ratio, Percent 0.68%
AssetsNet $ 103,599,328,299
Holdings Count | Holding 235
Advisory Fees Paid, Amount $ 122,469,917
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$103,599,328,299
  • Number of Investments235
  • Total Advisory Fees Paid$122,469,917
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.3%
Variable Rate Instruments
11.5%
Bank Instruments
12.8%
Commercial Paper
17.5%
Other Repurchase Agreements and Repurchase Agreements
52.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
11.7%
91-180 Days
6.3%
31-90 Days
8.3%
8-30 Days
4.0%
1-7 Days
67.6%
Material Fund Change [Text Block]
C000026147  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Prime Cash Obligations Fund
Class Name Wealth Shares
Trading Symbol PCOXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Prime Cash Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Wealth Shares
$20
0.20%
Expenses Paid, Amount $ 20
Expense Ratio, Percent 0.20%
AssetsNet $ 103,599,328,299
Holdings Count | Holding 235
Advisory Fees Paid, Amount $ 122,469,917
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$103,599,328,299
  • Number of Investments235
  • Total Advisory Fees Paid$122,469,917
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
Bank Note
3.3%
Variable Rate Instruments
11.5%
Bank Instruments
12.8%
Commercial Paper
17.5%
Other Repurchase Agreements and Repurchase Agreements
52.8%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
11.7%
91-180 Days
6.3%
31-90 Days
8.3%
8-30 Days
4.0%
1-7 Days
67.6%
Material Fund Change [Text Block]
C000242771  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Administrative Shares
Trading Symbol TODXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Administrative Shares
$46
0.45%
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.45%
AssetsNet $ 56,397,422,121
Holdings Count | Holding 75
Advisory Fees Paid, Amount $ 41,193,942
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$56,397,422,121
  • Number of Investments75
  • Total Advisory Fees Paid$41,193,942
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
46.8%
Repurchase Agreements
49.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
6.1%
91-180 Days
9.7%
31-90 Days
12.4%
8-30 Days
2.0%
1-7 Days
66.0%
Material Fund Change [Text Block]
C000242768  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Advisor Shares
Trading Symbol TOVXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Advisor Shares
$15
0.15%
Expenses Paid, Amount $ 15
Expense Ratio, Percent 0.15%
AssetsNet $ 56,397,422,121
Holdings Count | Holding 75
Advisory Fees Paid, Amount $ 41,193,942
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$56,397,422,121
  • Number of Investments75
  • Total Advisory Fees Paid$41,193,942
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
46.8%
Repurchase Agreements
49.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
6.1%
91-180 Days
9.7%
31-90 Days
12.4%
8-30 Days
2.0%
1-7 Days
66.0%
Material Fund Change [Text Block]
C000026166  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Capital Shares
Trading Symbol TOCXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Capital Shares
$31
0.30%
Expenses Paid, Amount $ 31
Expense Ratio, Percent 0.30%
AssetsNet $ 56,397,422,121
Holdings Count | Holding 75
Advisory Fees Paid, Amount $ 41,193,942
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$56,397,422,121
  • Number of Investments75
  • Total Advisory Fees Paid$41,193,942
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
46.8%
Repurchase Agreements
49.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
6.1%
91-180 Days
9.7%
31-90 Days
12.4%
8-30 Days
2.0%
1-7 Days
66.0%
Material Fund Change [Text Block]
C000242769  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Cash Management Shares
Trading Symbol TOMXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Cash Management Shares
$71
0.70%
Expenses Paid, Amount $ 71
Expense Ratio, Percent 0.70%
AssetsNet $ 56,397,422,121
Holdings Count | Holding 75
Advisory Fees Paid, Amount $ 41,193,942
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$56,397,422,121
  • Number of Investments75
  • Total Advisory Fees Paid$41,193,942
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
46.8%
Repurchase Agreements
49.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
6.1%
91-180 Days
9.7%
31-90 Days
12.4%
8-30 Days
2.0%
1-7 Days
66.0%
Material Fund Change [Text Block]
C000144363  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Automated Shares
Trading Symbol TOAXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Automated Shares
$51
0.50%
Expenses Paid, Amount $ 51
Expense Ratio, Percent 0.50%
AssetsNet $ 56,397,422,121
Holdings Count | Holding 75
Advisory Fees Paid, Amount $ 41,193,942
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$56,397,422,121
  • Number of Investments75
  • Total Advisory Fees Paid$41,193,942
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
46.8%
Repurchase Agreements
49.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
6.1%
91-180 Days
9.7%
31-90 Days
12.4%
8-30 Days
2.0%
1-7 Days
66.0%
Material Fund Change [Text Block]
C000026167  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Institutional Shares
Trading Symbol TOIXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Shares
$20
0.20%
Expenses Paid, Amount $ 20
Expense Ratio, Percent 0.20%
AssetsNet $ 56,397,422,121
Holdings Count | Holding 75
Advisory Fees Paid, Amount $ 41,193,942
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$56,397,422,121
  • Number of Investments75
  • Total Advisory Fees Paid$41,193,942
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
46.8%
Repurchase Agreements
49.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
6.1%
91-180 Days
9.7%
31-90 Days
12.4%
8-30 Days
2.0%
1-7 Days
66.0%
Material Fund Change [Text Block]
C000242770  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Premier Shares
Trading Symbol TOPXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Premier Shares
$15
0.15%
Expenses Paid, Amount $ 15
Expense Ratio, Percent 0.15%
AssetsNet $ 56,397,422,121
Holdings Count | Holding 75
Advisory Fees Paid, Amount $ 41,193,942
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$56,397,422,121
  • Number of Investments75
  • Total Advisory Fees Paid$41,193,942
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
46.8%
Repurchase Agreements
49.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
6.1%
91-180 Days
9.7%
31-90 Days
12.4%
8-30 Days
2.0%
1-7 Days
66.0%
Material Fund Change [Text Block]
C000242767  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Select Shares
Trading Symbol TOLXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Select Shares
$18
0.18%
Expenses Paid, Amount $ 18
Expense Ratio, Percent 0.18%
AssetsNet $ 56,397,422,121
Holdings Count | Holding 75
Advisory Fees Paid, Amount $ 41,193,942
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$56,397,422,121
  • Number of Investments75
  • Total Advisory Fees Paid$41,193,942
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
46.8%
Repurchase Agreements
49.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
6.1%
91-180 Days
9.7%
31-90 Days
12.4%
8-30 Days
2.0%
1-7 Days
66.0%
Material Fund Change [Text Block]
C000026168  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Service Shares
Trading Symbol TOSXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Service Shares
$43
0.42%
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.42%
AssetsNet $ 56,397,422,121
Holdings Count | Holding 75
Advisory Fees Paid, Amount $ 41,193,942
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$56,397,422,121
  • Number of Investments75
  • Total Advisory Fees Paid$41,193,942
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
46.8%
Repurchase Agreements
49.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
6.1%
91-180 Days
9.7%
31-90 Days
12.4%
8-30 Days
2.0%
1-7 Days
66.0%
Material Fund Change [Text Block]
C000026169  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Treasury Obligations Fund
Class Name Trust Shares
Trading Symbol TOTXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Treasury Obligations Fund (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Trust Shares
$67
0.66%
Expenses Paid, Amount $ 67
Expense Ratio, Percent 0.66%
AssetsNet $ 56,397,422,121
Holdings Count | Holding 75
Advisory Fees Paid, Amount $ 41,193,942
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$56,397,422,121
  • Number of Investments75
  • Total Advisory Fees Paid$41,193,942
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
46.8%
Repurchase Agreements
49.4%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
6.1%
91-180 Days
9.7%
31-90 Days
12.4%
8-30 Days
2.0%
1-7 Days
66.0%
Material Fund Change [Text Block]
C000262483  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Trust for U.S. Treasury Obligations
Class Name Automated Shares
Trading Symbol TATXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Trust for U.S. Treasury Obligations (the "Fund") for the period of May 29, 2026 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as an annualized percentage of a $10,000 investment
Automated Shares
$9Footnote Reference*
0.50%
FootnoteDescription
Footnote*
Based on operations for the period from May 29, 2026 to July 31, 2026. Expenses for the full year would be higher.
Expenses Paid, Amount $ 9 [1]
Expense Ratio, Percent 0.50%
Expenses Short Period Footnote [Text Block] Based on operations for the period from May 29, 2026 to July 31, 2026. Expenses for the full year would be higher.
AssetsNet $ 13,729,709,018
Holdings Count | Holding 66
Advisory Fees Paid, Amount $ 15,281,088
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$13,729,709,018
  • Number of Investments66
  • Total Advisory Fees Paid$15,281,088
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
43.8%
Repurchase Agreements
56.0%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
6.0%
91-180 Days
9.2%
31-90 Days
12.0%
8-30 Days
1.9%
1-7 Days
70.8%
Material Fund Change [Text Block]
C000157051  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Trust for U.S. Treasury Obligations
Class Name Cash II Shares
Trading Symbol TTIXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Trust for U.S. Treasury Obligations (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Cash II Shares
$91
0.90%
Expenses Paid, Amount $ 91
Expense Ratio, Percent 0.90%
AssetsNet $ 13,729,709,018
Holdings Count | Holding 66
Advisory Fees Paid, Amount $ 15,281,088
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$13,729,709,018
  • Number of Investments66
  • Total Advisory Fees Paid$15,281,088
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
43.8%
Repurchase Agreements
56.0%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
6.0%
91-180 Days
9.2%
31-90 Days
12.0%
8-30 Days
1.9%
1-7 Days
70.8%
Material Fund Change [Text Block]
C000157050  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Trust for U.S. Treasury Obligations
Class Name Cash Series Shares
Trading Symbol TCSXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Trust for U.S. Treasury Obligations (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Cash Series Shares
$106
1.04%
Expenses Paid, Amount $ 106
Expense Ratio, Percent 1.04%
AssetsNet $ 13,729,709,018
Holdings Count | Holding 66
Advisory Fees Paid, Amount $ 15,281,088
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$13,729,709,018
  • Number of Investments66
  • Total Advisory Fees Paid$15,281,088
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
43.8%
Repurchase Agreements
56.0%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
6.0%
91-180 Days
9.2%
31-90 Days
12.0%
8-30 Days
1.9%
1-7 Days
70.8%
Material Fund Change [Text Block]
C000026170  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Trust for U.S. Treasury Obligations
Class Name Institutional Shares
Trading Symbol TTOXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Trust for U.S. Treasury Obligations (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Shares
$20
0.20%
Expenses Paid, Amount $ 20
Expense Ratio, Percent 0.20%
AssetsNet $ 13,729,709,018
Holdings Count | Holding 66
Advisory Fees Paid, Amount $ 15,281,088
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$13,729,709,018
  • Number of Investments66
  • Total Advisory Fees Paid$15,281,088
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
43.8%
Repurchase Agreements
56.0%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
6.0%
91-180 Days
9.2%
31-90 Days
12.0%
8-30 Days
1.9%
1-7 Days
70.8%
Material Fund Change [Text Block]
C000243030  
Shareholder Report [Line Items]  
Fund Name Federated Hermes Trust for U.S. Treasury Obligations
Class Name Service Shares
Trading Symbol TTQXX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about the Federated Hermes Trust for U.S. Treasury Obligations (the "Fund") for the period of August 1, 2025 to July 31, 2026.
Additional Information [Text Block] You can find additional information at FederatedHermes.com/us/FundInformation. You can also request this information by contacting us at 1-800-341-7400, Option 4, or your financial advisor.
Additional Information Phone Number 1-800-341-7400
Additional Information Website FederatedHermes.com/us/FundInformation
Expenses [Text Block]

What were the Fund costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Service Shares
$46
0.45%
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.45%
AssetsNet $ 13,729,709,018
Holdings Count | Holding 66
Advisory Fees Paid, Amount $ 15,281,088
Additional Fund Statistics [Text Block]

Key Fund Statistics

  • Net Assets$13,729,709,018
  • Number of Investments66
  • Total Advisory Fees Paid$15,281,088
Holdings [Text Block]

Top Security Types (% of Net Assets)

Group By Sector Chart
Table Summary
Value
Value
U.S. Treasury Securities
43.8%
Repurchase Agreements
56.0%

Effective Maturity Schedule (% of Net Assets)

Group By Maturity Chart
Table Summary
Value
Value
181 Days or More
6.0%
91-180 Days
9.2%
31-90 Days
12.0%
8-30 Days
1.9%
1-7 Days
70.8%
Material Fund Change [Text Block]
[1] Based on operations for the period from May 29, 2026 to July 31, 2026. Expenses for the full year would be higher.