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
|
| C000158659 [Member] |
|
| Shareholder Report [Line Items] |
|
| Fund Name |
Federated Hermes Government Reserves Fund
|
| Class Name |
Class A Shares
|
| Trading Symbol |
GRAXX
|
| Annual or Semi-Annual Statement [Text Block] |
This annual shareholder report contains important information about the Federated Hermes Government Reserves Fund (the “Fund”) for the period of August 1, 2025 to July 31, 2026.
|
| Shareholder Report Annual or Semi-Annual |
annual shareholder report
|
| Additional Information [Text Block] |
You can find additional information about the Fund 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)
| Class Name |
Costs of a $10,000 investment |
Costs paid as a percentage of a $10,000 investment |
| Class A Shares |
$88 |
0.87% |
|
| Expenses Paid, Amount |
$ 88
|
| Expense Ratio, Percent |
0.87%
|
| Net Assets |
$ 5,172,743,678
|
| Holdings Count | Holding |
89
|
| Advisory Fees Paid, Amount |
$ 6,754,526
|
| Additional Fund Statistics [Text Block] |
Key Fund Statistics
| Net Assets |
$5,172,743,678 |
| Number of Investments |
89 |
| Total Advisory Fees Paid |
$6,754,526 |
|
| Holdings [Text Block] |
Fund Holdings Top Security Types
(% of Net Assets) Effective Maturity Schedule
(% of Net Assets)
|
| C000158661 [Member] |
|
| Shareholder Report [Line Items] |
|
| Fund Name |
Federated Hermes Government Reserves Fund
|
| Class Name |
Class C Shares
|
| Trading Symbol |
GRCXX
|
| Annual or Semi-Annual Statement [Text Block] |
This annual shareholder report contains important information about the Federated Hermes Government Reserves Fund (the “Fund”) for the period of August 1, 2025 to July 31, 2026.
|
| Shareholder Report Annual or Semi-Annual |
annual shareholder report
|
| Additional Information [Text Block] |
You can find additional information about the Fund 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)
| Class Name |
Costs of a $10,000 investment |
Costs paid as a percentage of a $10,000 investment |
| Class C Shares |
$128 |
1.26% |
|
| Expenses Paid, Amount |
$ 128
|
| Expense Ratio, Percent |
1.26%
|
| Net Assets |
$ 5,172,743,678
|
| Holdings Count | Holding |
89
|
| Advisory Fees Paid, Amount |
$ 6,754,526
|
| Additional Fund Statistics [Text Block] |
Key Fund Statistics
| Net Assets |
$5,172,743,678 |
| Number of Investments |
89 |
| Total Advisory Fees Paid |
$6,754,526 |
|
| Holdings [Text Block] |
Fund Holdings Top Security Types
(% of Net Assets) Effective Maturity Schedule
(% of Net Assets)
|
| C000158662 [Member] |
|
| Shareholder Report [Line Items] |
|
| Fund Name |
Federated Hermes Government Reserves Fund
|
| Class Name |
Class F Shares
|
| Trading Symbol |
GRGXX
|
| Annual or Semi-Annual Statement [Text Block] |
This annual shareholder report contains important information about the Federated Hermes Government Reserves Fund (the “Fund”) for the period of August 1, 2025 to July 31, 2026.
|
| Shareholder Report Annual or Semi-Annual |
annual shareholder report
|
| Additional Information [Text Block] |
You can find additional information about the Fund 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.
|
| Material Fund Change Notice [Text Block] |
This report describes planned changes made to the Fund since the beginning of the reporting period.
|
| 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)
| Class Name |
Costs of a $10,000 investment |
Costs paid as a percentage of a $10,000 investment |
| Class F Shares |
$88 |
0.87% |
|
| Expenses Paid, Amount |
$ 88
|
| Expense Ratio, Percent |
0.87%
|
| Net Assets |
$ 5,172,743,678
|
| Holdings Count | Holding |
89
|
| Advisory Fees Paid, Amount |
$ 6,754,526
|
| Additional Fund Statistics [Text Block] |
Key Fund Statistics
| Net Assets |
$5,172,743,678 |
| Number of Investments |
89 |
| Total Advisory Fees Paid |
$6,754,526 |
|
| Holdings [Text Block] |
Fund Holdings Top Security Types
(% of Net Assets) Effective Maturity Schedule
(% of Net Assets)
|
| Material Fund Change [Text Block] |
Material Fund Changes Following is a summary of material changes planned for the Fund since the beginning of the reporting period. For more complete and current information, you may review the Fund’s disclosure documents on its webpage at FederatedHermes.com/us/FundInformation or upon request at 1-800-341-7400, Option 4, or by contacting your financial advisor. On May 14, 2026, the Fund's Board of Trustees approved conversion of Class F Shares into Class A Shares of the Fund on or about August 28, 2026, resulting in the closure and termination of the Fund's Class F Shares.
|
| Summary of Change Legend [Text Block] |
Following is a summary of material changes planned for the Fund since the beginning of the reporting period. For more complete and current information, you may review the Fund’s disclosure documents on its webpage at FederatedHermes.com/us/FundInformation or upon request at 1-800-341-7400, Option 4, or by contacting your financial advisor.
|
| Updated Prospectus Phone Number |
1-800-341-7400
|
| Updated Prospectus Web Address |
FederatedHermes.com/us/FundInformation
|
| C000026050 [Member] |
|
| Shareholder Report [Line Items] |
|
| Fund Name |
Federated Hermes Government Reserves Fund
|
| Class Name |
Class P Shares
|
| Trading Symbol |
GRFXX
|
| Annual or Semi-Annual Statement [Text Block] |
This annual shareholder report contains important information about the Federated Hermes Government Reserves Fund (the “Fund”) for the period of August 1, 2025 to July 31, 2026.
|
| Shareholder Report Annual or Semi-Annual |
annual shareholder report
|
| Additional Information [Text Block] |
You can find additional information about the Fund 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)
| Class Name |
Costs of a $10,000 investment |
Costs paid as a percentage of a $10,000 investment |
| Class P Shares |
$103 |
1.02% |
|
| Expenses Paid, Amount |
$ 103
|
| Expense Ratio, Percent |
1.02%
|
| Net Assets |
$ 5,172,743,678
|
| Holdings Count | Holding |
89
|
| Advisory Fees Paid, Amount |
$ 6,754,526
|
| Additional Fund Statistics [Text Block] |
Key Fund Statistics
| Net Assets |
$5,172,743,678 |
| Number of Investments |
89 |
| Total Advisory Fees Paid |
$6,754,526 |
|
| Holdings [Text Block] |
Fund Holdings Top Security Types
(% of Net Assets) Effective Maturity Schedule
(% of Net Assets)
|
| C000026082 [Member] |
|
| Shareholder Report [Line Items] |
|
| Fund Name |
Federated Hermes Capital Reserves Fund
|
| Class Name |
Federated Hermes Capital Reserves Fund
|
| Trading Symbol |
FRFXX
|
| Annual or Semi-Annual Statement [Text Block] |
This annual shareholder report contains important information about the Federated Hermes Capital Reserves Fund (the “Fund”) for the period of August 1, 2025 to July 31, 2026.
|
| Shareholder Report Annual or Semi-Annual |
annual shareholder report
|
| Additional Information [Text Block] |
You can find additional information about the Fund 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)
| Fund Name |
Costs of a $10,000 investment |
Costs paid as a percentage of a $10,000 investment |
| Federated Hermes Capital Reserves Fund |
$104 |
1.02% |
|
| Expenses Paid, Amount |
$ 104
|
| Expense Ratio, Percent |
1.02%
|
| Net Assets |
$ 2,695,032,326
|
| Holdings Count | Holding |
71
|
| Advisory Fees Paid, Amount |
$ 2,959,360
|
| Additional Fund Statistics [Text Block] |
Key Fund Statistics
| Net Assets |
$2,695,032,326 |
| Number of Investments |
71 |
| Total Advisory Fees Paid |
$2,959,360 |
|
| Holdings [Text Block] |
Fund Holdings Top Security Types
(% of Net Assets) Effective Maturity Schedule
(% of Net Assets)
|
| C000158663 [Member] |
|
| Shareholder Report [Line Items] |
|
| Fund Name |
Federated Hermes Government Obligations Tax-Managed Fund
|
| Class Name |
Automated Shares
|
| Trading Symbol |
GOAXX
|
| Annual or Semi-Annual Statement [Text Block] |
This annual shareholder report contains important information about the Federated Hermes Government Obligations Tax-Managed Fund (the “Fund”) for the period of August 1, 2025 to July 31, 2026.
|
| Shareholder Report Annual or Semi-Annual |
annual shareholder report
|
| Additional Information [Text Block] |
You can find additional information about the Fund 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)
| Class Name |
Costs of a $10,000 investment |
Costs paid as a percentage of a $10,000 investment |
| Automated Shares |
$56 |
0.55% |
|
| Expenses Paid, Amount |
$ 56
|
| Expense Ratio, Percent |
0.55%
|
| Net Assets |
$ 7,272,571,348
|
| Holdings Count | Holding |
67
|
| Advisory Fees Paid, Amount |
$ 8,414,547
|
| Additional Fund Statistics [Text Block] |
Key Fund Statistics
| Net Assets |
$7,272,571,348 |
| Number of Investments |
67 |
| Total Advisory Fees Paid |
$8,414,547 |
|
| Holdings [Text Block] |
Fund Holdings Top Security Types
(% of Net Assets) Effective Maturity Schedule
(% of Net Assets)
|
| C000026063 [Member] |
|
| Shareholder Report [Line Items] |
|
| Fund Name |
Federated Hermes Government Obligations Tax-Managed Fund
|
| Class Name |
Institutional Shares
|
| Trading Symbol |
GOTXX
|
| Annual or Semi-Annual Statement [Text Block] |
This annual shareholder report contains important information about the Federated Hermes Government Obligations Tax-Managed Fund (the “Fund”) for the period of August 1, 2025 to July 31, 2026.
|
| Shareholder Report Annual or Semi-Annual |
annual shareholder report
|
| Additional Information [Text Block] |
You can find additional information about the Fund 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)
| 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%
|
| Net Assets |
$ 7,272,571,348
|
| Holdings Count | Holding |
67
|
| Advisory Fees Paid, Amount |
$ 8,414,547
|
| Additional Fund Statistics [Text Block] |
Key Fund Statistics
| Net Assets |
$7,272,571,348 |
| Number of Investments |
67 |
| Total Advisory Fees Paid |
$8,414,547 |
|
| Holdings [Text Block] |
Fund Holdings Top Security Types
(% of Net Assets) Effective Maturity Schedule
(% of Net Assets)
|
| C000026064 [Member] |
|
| Shareholder Report [Line Items] |
|
| Fund Name |
Federated Hermes Government Obligations Tax-Managed Fund
|
| Class Name |
Service Shares
|
| Trading Symbol |
GTSXX
|
| Annual or Semi-Annual Statement [Text Block] |
This annual shareholder report contains important information about the Federated Hermes Government Obligations Tax-Managed Fund (the “Fund”) for the period of August 1, 2025 to July 31, 2026.
|
| Shareholder Report Annual or Semi-Annual |
annual shareholder report
|
| Additional Information [Text Block] |
You can find additional information about the Fund 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)
| 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%
|
| Net Assets |
$ 7,272,571,348
|
| Holdings Count | Holding |
67
|
| Advisory Fees Paid, Amount |
$ 8,414,547
|
| Additional Fund Statistics [Text Block] |
Key Fund Statistics
| Net Assets |
$7,272,571,348 |
| Number of Investments |
67 |
| Total Advisory Fees Paid |
$8,414,547 |
|
| Holdings [Text Block] |
Fund Holdings Top Security Types
(% of Net Assets) Effective Maturity Schedule
(% of Net Assets)
|
