v3.26.1
Shareholder Report
 6 Months Ended
Jun. 30, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name EMPOWER FUNDS, INC.
Entity Central Index Key 0000356476
Entity Investment Company Type N-1A
Document Period End Date Jun. 30, 2026
Empower S&P Small Cap 600® Index Fund - Class L  
Shareholder Report [Line Items]  
Fund Name Empower S&P Small Cap 600® Index Fund
Class Name Class L
Trading Symbol MXNSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Empower S&P Small Cap 600® Index Fund (the "Fund”) for the period of January 1, 2026, to June 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents. You may also request this information by contacting us at 1-866-831-7129.
Additional Information Phone Number 1-866-831-7129
Additional Information Website https://www.empower.com/investments/empower-funds/fund-documents
Expenses [Text Block]
Fund Expenses for the period ended
June 30, 2026
(Based on a hypothetical $10,000 investment)
Fund (Class)
Costs of a $10,000 investment
Costs paid as a percentage
of a $10,000 investment
Empower S&P Small Cap 600
®
Index Fund
(Class L/MXNSX)
$
90		 0.81
%
Expenses Paid, Amount $ 90
Expense Ratio, Percent 0.81%
Net Assets $ 1,273,000,000
Holdings Count | Holding 606
Advisory Fees Paid, Amount $ 1,100,000
Investment Company, Portfolio Turnover 1400.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
The following table outlines key fund statistics that you should pay attention to.
Fund net assets
$
1,273M
Total number of portfolio holdings
 606
Total advisory fee paid
$
1.1M
Portfolio turnover rate as of the end of the reporting period (not annualized)
 14
%
Holdings [Text Block]
Graphical Representation of Holdings
The tables below show the investment makeup of the Fund, representing percentages of the total investments of the Fund.
Top Ten Holdings
Dreyfus Institutional Preferred Government Money Market Fund Institutional Class 3.20
%
FormFactor Inc 0.66
%
Viasat Inc 0.63
%
Molina Healthcare Inc 0.62
%
Argan Inc 0.59
%
Element Solutions Inc 0.57
%
BrightSpring Health Services Inc 0.57
%
MaxLinear Inc 0.57
%
Krystal Biotech Inc 0.51
%
ESCO Technologies Inc 0.48
%
SECTOR ALLOCATION
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block]
Top Ten Holdings
Dreyfus Institutional Preferred Government Money Market Fund Institutional Class 3.20
%
FormFactor Inc 0.66
%
Viasat Inc 0.63
%
Molina Healthcare Inc 0.62
%
Argan Inc 0.59
%
Element Solutions Inc 0.57
%
BrightSpring Health Services Inc 0.57
%
MaxLinear Inc 0.57
%
Krystal Biotech Inc 0.51
%
ESCO Technologies Inc 0.48
%
Material Fund Change [Text Block]
Material Fund Changes
There were no material changes to the Fund during the reporting period.
Accountant Change Disagreements [Text Block]
Changes in and Disagreements with Accountants
There were no changes in or disagreements with the Fund's accountants during the reporting period.
Empower S&P Small Cap 600® Index Fund - Institutional Class  
Shareholder Report [Line Items]  
Fund Name Empower S&P Small Cap 600® Index Fund
Class Name Institutional Class
Trading Symbol MXERX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Empower S&P Small Cap 600® Index Fund (the "Fund”) for the period of January 1, 2026, to June 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents. You may also request this information by contacting us at 1-866-831-7129.
Additional Information Phone Number 1-866-831-7129
Additional Information Website https://www.empower.com/investments/empower-funds/fund-documents
Expenses [Text Block]
Fund Expenses for the period ended
June 30, 2026
(Based on a hypothetical $10,000 investment)
Fund (Class)
Costs of a $10,000 investment
Costs paid as a percentage
of a $10,000 investment
Empower S&P Small Cap 600
®
Index Fund
(Institutional Class/MXERX)
$
23		 0.21
%
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.21%
Net Assets $ 1,273,000,000
Holdings Count | Holding 606
Advisory Fees Paid, Amount $ 1,100,000
Investment Company, Portfolio Turnover 14.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
The following table outlines key fund statistics that you should pay attention to.
Fund net assets
$
1,273M
Total number of portfolio holdings
 606
Total advisory fee paid
$
1.1M
Portfolio turnover rate as of the end of the reporting period (not annualized)
 14
%
Holdings [Text Block]
Graphical Representation of Holdings
The tables below show the investment makeup of the Fund, representing percentages of the total investments of the Fund.
Top Ten Holdings
Dreyfus Institutional Preferred Government Money Market Fund Institutional Class 3.20
%
FormFactor Inc 0.66
%
Viasat Inc 0.63
%
Molina Healthcare Inc 0.62
%
Argan Inc 0.59
%
Element Solutions Inc 0.57
%
BrightSpring Health Services Inc 0.57
%
MaxLinear Inc 0.57
%
Krystal Biotech Inc 0.51
%
ESCO Technologies Inc 0.48
%
SECTOR ALLOCATION
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block]
Top Ten Holdings
Dreyfus Institutional Preferred Government Money Market Fund Institutional Class 3.20
%
FormFactor Inc 0.66
%
Viasat Inc 0.63
%
Molina Healthcare Inc 0.62
%
Argan Inc 0.59
%
Element Solutions Inc 0.57
%
BrightSpring Health Services Inc 0.57
%
MaxLinear Inc 0.57
%
Krystal Biotech Inc 0.51
%
ESCO Technologies Inc 0.48
%
Material Fund Change [Text Block]
Material Fund Changes
There were no material changes to the Fund during the reporting period.
Accountant Change Disagreements [Text Block]
Changes in and Disagreements with Accountants
There were no changes in or disagreements with the Fund's accountants during the reporting period.
Empower S&P Small Cap 600® Index Fund - Investor Class  
Shareholder Report [Line Items]  
Fund Name Empower S&P Small Cap 600® Index Fund
Class Name Investor Class
Trading Symbol MXISX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Empower S&P Small Cap 600® Index Fund (the "Fund”) for the period of January 1, 2026, to June 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents. You may also request this information by contacting us at 1-866-831-7129.
Additional Information Phone Number 1-866-831-7129
Additional Information Website https://www.empower.com/investments/empower-funds/fund-documents
Expenses [Text Block]
Fund Expenses for the period ended
June 30, 2026
(Based on a hypothetical $10,000 investment)
Fund (Class)
Costs of a $10,000 investment
Costs paid as a percentage
of a $10,000 investment
Empower S&P Small Cap 600
®
Index Fund
(Investor Class/MXISX)
$
62		 0.56
%
Expenses Paid, Amount $ 62
Expense Ratio, Percent 0.56%
Net Assets $ 1,273,000,000
Holdings Count | Holding 606
Advisory Fees Paid, Amount $ 1,100,000
Investment Company, Portfolio Turnover 14.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
The following table outlines key fund statistics that you should pay attention to.
Fund net assets
$
1,273M
Total number of portfolio holdings
 606
Total advisory fee paid
$
1.1M
Portfolio turnover rate as of the end of the reporting period (not annualized)
 14
%
Holdings [Text Block]
Graphical Representation of Holdings
The tables below show the investment makeup of the Fund, representing percentages of the total investments of the Fund.
Top Ten Holdings
Dreyfus Institutional Preferred Government Money Market Fund Institutional Class 3.20
%
FormFactor Inc 0.66
%
Viasat Inc 0.63
%
Molina Healthcare Inc 0.62
%
Argan Inc 0.59
%
Element Solutions Inc 0.57
%
BrightSpring Health Services Inc 0.57
%
MaxLinear Inc 0.57
%
Krystal Biotech Inc 0.51
%
ESCO Technologies Inc 0.48
%
SECTOR ALLOCATION
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block]
Top Ten Holdings
Dreyfus Institutional Preferred Government Money Market Fund Institutional Class 3.20
%
FormFactor Inc 0.66
%
Viasat Inc 0.63
%
Molina Healthcare Inc 0.62
%
Argan Inc 0.59
%
Element Solutions Inc 0.57
%
BrightSpring Health Services Inc 0.57
%
MaxLinear Inc 0.57
%
Krystal Biotech Inc 0.51
%
ESCO Technologies Inc 0.48
%
Material Fund Change [Text Block]
Material Fund Changes
There were no material changes to the Fund during the reporting period.
Accountant Change Disagreements [Text Block]
Changes in and Disagreements with Accountants
There were no changes in or disagreements with the Fund's accountants during the reporting period.
Empower Small Cap Growth Fund - Institutional Class  
Shareholder Report [Line Items]  
Fund Name Empower Small Cap Growth Fund
Class Name Institutional Class
Trading Symbol MXMSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Empower Small Cap Growth Fund (the "Fund”) for the period of January 1, 2026, to June 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents. You may also request this information by contacting us at 1-866-831-7129.
Additional Information Phone Number 1-866-831-7129
Additional Information Website https://www.empower.com/investments/empower-funds/fund-documents
Expenses [Text Block]
Fund Expenses for the period ended
June 30, 2026
(Based on a hypothetical $10,000 investment)
Fund (Class)
Costs of a $10,000 investment
Costs paid as a percentage
of a $10,000 investment
Empower Small Cap Growth Fund
(Institutional Class/MXMSX)
$
92		 0.84
%
Expenses Paid, Amount $ 92
Expense Ratio, Percent 0.84%
Net Assets $ 260,000,000
Holdings Count | Holding 193
Advisory Fees Paid, Amount $ 1,100,000
Investment Company, Portfolio Turnover 42.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
The following table outlines key fund statistics that you should pay attention to.
Fund net assets
$
260M
Total number of portfolio holdings
 193
Total advisory fee paid
$
1.1M
Portfolio turnover rate as of the end of the reporting period (not annualized)
 42
%
Holdings [Text Block]
Graphical Representation of Holdings
The tables below show the investment makeup of the Fund, representing percentages of the total investments of the Fund.
Top Ten Holdings
Dreyfus Institutional Preferred Government Money Market Fund Institutional Class 3.79
%
Element Solutions Inc 1.37
%
MACOM Technology Solutions Holdings Inc 1.33
%
Mercury Systems Inc 1.33
%
SPX Technologies Inc 1.32
%
MYR Group Inc 1.30
%
Legence Corp Class A 1.29
%
TechnipFMC PLC 1.28
%
Advanced Energy Industries Inc 1.26
%
JFrog Ltd 1.22
%
SECTOR ALLOCATION
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block]
Top Ten Holdings
Dreyfus Institutional Preferred Government Money Market Fund Institutional Class 3.79
%
Element Solutions Inc 1.37
%
MACOM Technology Solutions Holdings Inc 1.33
%
Mercury Systems Inc 1.33
%
SPX Technologies Inc 1.32
%
MYR Group Inc 1.30
%
Legence Corp Class A 1.29
%
TechnipFMC PLC 1.28
%
Advanced Energy Industries Inc 1.26
%
JFrog Ltd 1.22
%
Material Fund Change [Text Block]
Material Fund Changes
There were no material changes to the Fund during the reporting period.
Accountant Change Disagreements [Text Block]
Changes in and Disagreements with Accountants
There were no changes in or disagreements with the Fund's accountants during the reporting period.
Empower Small Cap Growth Fund - Investor Class  
Shareholder Report [Line Items]  
Fund Name Empower Small Cap Growth Fund
Class Name Investor Class
Trading Symbol MXMTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Empower Small Cap Growth Fund (the "Fund”) for the period of January 1, 2026, to June 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents. You may also request this information by contacting us at 1-866-831-7129.
Additional Information Phone Number 1-866-831-7129
Additional Information Website https://www.empower.com/investments/empower-funds/fund-documents
Expenses [Text Block]
Fund Expenses for the period ended
June 30, 2026
(Based on a hypothetical $10,000 investment)
Fund (Class)
Costs of a $10,000 investment
Costs paid as a percentage
of a $10,000 investment
Empower Small Cap Growth Fund
(Investor Class/MXMTX)
$
131		 1.19
%
Expenses Paid, Amount $ 131
Expense Ratio, Percent 1.19%
Net Assets $ 260,000,000
Holdings Count | Holding 193
Advisory Fees Paid, Amount $ 1,100,000
Investment Company, Portfolio Turnover 42.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
The following table outlines key fund statistics that you should pay attention to.
Fund net assets
$
260M
Total number of portfolio holdings
 193
Total advisory fee paid
$
1.1M
Portfolio turnover rate as of the end of the reporting period (not annualized)
 42
%
Holdings [Text Block]
Graphical Representation of Holdings
The tables below show the investment makeup of the Fund, representing percentages of the total investments of the Fund.
Top Ten Holdings
Dreyfus Institutional Preferred Government Money Market Fund Institutional Class 3.79
%
Element Solutions Inc 1.37
%
MACOM Technology Solutions Holdings Inc 1.33
%
Mercury Systems Inc 1.33
%
SPX Technologies Inc 1.32
%
MYR Group Inc 1.30
%
Legence Corp Class A 1.29
%
TechnipFMC PLC 1.28
%
Advanced Energy Industries Inc 1.26
%
JFrog Ltd 1.22
%
SECTOR ALLOCATION
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block]
Top Ten Holdings
Dreyfus Institutional Preferred Government Money Market Fund Institutional Class 3.79
%
Element Solutions Inc 1.37
%
MACOM Technology Solutions Holdings Inc 1.33
%
Mercury Systems Inc 1.33
%
SPX Technologies Inc 1.32
%
MYR Group Inc 1.30
%
Legence Corp Class A 1.29
%
TechnipFMC PLC 1.28
%
Advanced Energy Industries Inc 1.26
%
JFrog Ltd 1.22
%
Material Fund Change [Text Block]
Material Fund Changes
There were no material changes to the Fund during the reporting period.
Accountant Change Disagreements [Text Block]
Changes in and Disagreements with Accountants
There were no changes in or disagreements with the Fund's accountants during the reporting period.
Empower Small Cap Value Fund - Institutional Class  
Shareholder Report [Line Items]  
Fund Name Empower Small Cap Value Fund
Class Name Institutional Class
Trading Symbol MXTFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Empower Small Cap Value Fund (the "Fund”) for the period of January 1, 2026, to June 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents. You may also request this information by contacting us at 1-866-831-7129.
Additional Information Phone Number 1-866-831-7129
Additional Information Website https://www.empower.com/investments/empower-funds/fund-documents
Expenses [Text Block]
Fund Expenses for the period ended
June 30, 2026
(Based on a hypothetical $10,000 investment)
Fund (Class)
Costs of a $10,000 investment
Costs paid as a percentage
of a $10,000 investment
Empower Small Cap Value Fund
(Institutional Class/MXTFX)
$
82		 0.74
%
Expenses Paid, Amount $ 82
Expense Ratio, Percent 0.74%
Net Assets $ 639,000,000
Holdings Count | Holding 425
Advisory Fees Paid, Amount $ 2,300,000
Investment Company, Portfolio Turnover 28.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
The following table outlines key fund statistics that you should pay attention to.
Fund net assets
$
639M
Total number of portfolio holdings
 425
Total advisory fee paid
$
2.3M
Portfolio turnover rate as of the end of the reporting period (not annualized)
 28
%
Holdings [Text Block]
Graphical Representation of Holdings
The tables below show the investment makeup of the Fund, representing percentages of the total investments of the Fund.
Top Ten Holdings
Dreyfus Institutional Preferred Government Money Market Fund Institutional Class 3.22
%
Moog Inc Class A 1.74
%
Garrett Motion Inc 1.73
%
Bel Fuse Inc Class B 1.33
%
Kodiak Gas Services Inc 1.25
%
Popular Inc 1.21
%
TD SYNNEX Corp 1.20
%
Ultra Clean Holdings Inc 1.12
%
Ameris Bancorp 1.08
%
Concentra Group Holdings Parent Inc 1.06
%
SECTOR ALLOCATION
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block]
Top Ten Holdings
Dreyfus Institutional Preferred Government Money Market Fund Institutional Class 3.22
%
Moog Inc Class A 1.74
%
Garrett Motion Inc 1.73
%
Bel Fuse Inc Class B 1.33
%
Kodiak Gas Services Inc 1.25
%
Popular Inc 1.21
%
TD SYNNEX Corp 1.20
%
Ultra Clean Holdings Inc 1.12
%
Ameris Bancorp 1.08
%
Concentra Group Holdings Parent Inc 1.06
%
Material Fund Change [Text Block]
Material Fund Changes
There were no material changes to the Fund during the reporting period.
Accountant Change Disagreements [Text Block]
Changes in and Disagreements with Accountants
There were no changes in or disagreements with the Fund's accountants during the reporting period.
Empower Small Cap Value Fund - Investor Class  
Shareholder Report [Line Items]  
Fund Name Empower Small Cap Value Fund
Class Name Investor Class
Trading Symbol MXLSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Empower Small Cap Value Fund (the "Fund”) for the period of January 1, 2026, to June 30, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.empower.com/investments/empower-funds/fund-documents. You may also request this information by contacting us at 1-866-831-7129.
Additional Information Phone Number 1-866-831-7129
Additional Information Website https://www.empower.com/investments/empower-funds/fund-documents
Expenses [Text Block]
Fund Expenses for the period ended
June 30, 2026
(Based on a hypothetical $10,000 investment)
Fund (Class)
Costs of a $10,000 investment
Costs paid as a percentage
of a $10,000 investment
Empower Small Cap Value Fund
(Investor Class/MXLSX)
$
121		 1.09
%
Expenses Paid, Amount $ 121
Expense Ratio, Percent 1.09%
Net Assets $ 639,000,000
Holdings Count | Holding 425
Advisory Fees Paid, Amount $ 2,300,000
Investment Company, Portfolio Turnover 28.00%
Additional Fund Statistics [Text Block]
Key Fund Statistics
The following table outlines key fund statistics that you should pay attention to.
Fund net assets
$
639M
Total number of portfolio holdings
 425
Total advisory fee paid
$
2.3M
Portfolio turnover rate as of the end of the reporting period (not annualized)
 28
%
Holdings [Text Block]
Graphical Representation of Holdings
The tables below show the investment makeup of the Fund, representing percentages of the total investments of the Fund.
Top Ten Holdings
Dreyfus Institutional Preferred Government Money Market Fund Institutional Class 3.22
%
Moog Inc Class A 1.74
%
Garrett Motion Inc 1.73
%
Bel Fuse Inc Class B 1.33
%
Kodiak Gas Services Inc 1.25
%
Popular Inc 1.21
%
TD SYNNEX Corp 1.20
%
Ultra Clean Holdings Inc 1.12
%
Ameris Bancorp 1.08
%
Concentra Group Holdings Parent Inc 1.06
%
SECTOR ALLOCATION
Graphical Representation - Allocation 2 Chart
Largest Holdings [Text Block]
Top Ten Holdings
Dreyfus Institutional Preferred Government Money Market Fund Institutional Class 3.22
%
Moog Inc Class A 1.74
%
Garrett Motion Inc 1.73
%
Bel Fuse Inc Class B 1.33
%
Kodiak Gas Services Inc 1.25
%
Popular Inc 1.21
%
TD SYNNEX Corp 1.20
%
Ultra Clean Holdings Inc 1.12
%
Ameris Bancorp 1.08
%
Concentra Group Holdings Parent Inc 1.06
%
Material Fund Change [Text Block]
Material Fund Changes
There were no material changes to the Fund during the reporting period.
Accountant Change Disagreements [Text Block]
Changes in and Disagreements with Accountants
There were no changes in or disagreements with the Fund's accountants during the reporting period.