v3.26.1
Shareholder Report
 6 Months Ended
Mar. 31, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Victory Portfolios IV
Entity Central Index Key 0002042316
Entity Investment Company Type N-1A
Document Period End Date Mar. 31, 2026
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
C000256500  
Shareholder Report [Line Items]  
Fund Name Victory Pioneer Strategic Income Fund
Class Name Class A
Trading Symbol PSRAX
Annual or Semi-Annual Statement [Text Block] Semi-Annual Shareholder Report
Additional Information [Text Block] You can find additional information about the Fund at advisor.vcm.com/literature/ mutual-fund-prospectuses. You may also request more information by calling 800-539-3863 or visiting vcm.com/contact-us.    
Additional Information Phone Number 800-539-3863
Additional Information Website vcm.com
Expenses [Text Block]

What were the Fund's costs for the last six months?

(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 InvestmentFootnote Reference*
Class A
$50
1.00%
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 50
Expense Ratio, Percent 1.00%
AssetsNet $ 3,725,684,000
Holdings Count | Holding 1,196
InvestmentCompanyPortfolioTurnover 43.00%
Additional Fund Statistics [Text Block]

FUND STATISTICS

($ amounts in 000s)

(as of March 31, 2026)

Table Summary
Net Assets
$3,725,684
Number of Holdings
1,196
Portfolio Turnover
43%
Holdings [Text Block]

Asset AllocationFootnote Reference* ^ (% of Net Assets)

(as of March 31, 2026)

Group By Asset Type Chart
Table Summary
Value
Value
Corporate Bonds
23.4%
Yankee Dollars
21.9%
U.S. Treasury Obligations
18.2%
U.S. Government Agency Mortgages
17.8%
Collateralized Mortgage Obligations
9.3%
Asset-Backed Securities
7.8%
Insurance-Linked Securities
3.6%
OtherFootnote Reference**
2.6%
C000256504  
Shareholder Report [Line Items]  
Fund Name Victory Pioneer Strategic Income Fund
Class Name Class C
Trading Symbol PSRCX
Annual or Semi-Annual Statement [Text Block] Semi-Annual Shareholder Report
Additional Information [Text Block] You can find additional information about the Fund at advisor.vcm.com/literature/ mutual-fund-prospectuses. You may also request more information by calling 800-539-3863 or visiting vcm.com/contact-us.    
Additional Information Phone Number 800-539-3863
Additional Information Website vcm.com
Expenses [Text Block]

What were the Fund's costs for the last six months?

(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 InvestmentFootnote Reference*
Class C
$84
1.68%
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 84
Expense Ratio, Percent 1.68%
AssetsNet $ 3,725,684,000
Holdings Count | Holding 1,196
InvestmentCompanyPortfolioTurnover 43.00%
Additional Fund Statistics [Text Block]

FUND STATISTICS

($ amounts in 000s)

(as of March 31, 2026)

Table Summary
Net Assets
$3,725,684
Number of Holdings
1,196
Portfolio Turnover
43%
Holdings [Text Block]

Asset AllocationFootnote Reference* ^ (% of Net Assets)

(as of March 31, 2026)

Group By Asset Type Chart
Table Summary
Value
Value
Corporate Bonds
23.4%
Yankee Dollars
21.9%
U.S. Treasury Obligations
18.2%
U.S. Government Agency Mortgages
17.8%
Collateralized Mortgage Obligations
9.3%
Asset-Backed Securities
7.8%
Insurance-Linked Securities
3.6%
OtherFootnote Reference**
2.6%
C000256503  
Shareholder Report [Line Items]  
Fund Name Victory Pioneer Strategic Income Fund
Class Name Class R
Trading Symbol STIRX
Annual or Semi-Annual Statement [Text Block] Semi-Annual Shareholder Report
Additional Information [Text Block] You can find additional information about the Fund at advisor.vcm.com/literature/ mutual-fund-prospectuses. You may also request more information by calling 800-539-3863 or visiting vcm.com/contact-us.    
Additional Information Phone Number 800-539-3863
Additional Information Website vcm.com
Expenses [Text Block]

What were the Fund's costs for the last six months?

(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 InvestmentFootnote Reference*
Class R
$67
1.34%
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 67
Expense Ratio, Percent 1.34%
AssetsNet $ 3,725,684,000
Holdings Count | Holding 1,196
InvestmentCompanyPortfolioTurnover 43.00%
Additional Fund Statistics [Text Block]

FUND STATISTICS

($ amounts in 000s)

(as of March 31, 2026)

Table Summary
Net Assets
$3,725,684
Number of Holdings
1,196
Portfolio Turnover
43%
Holdings [Text Block]

Asset AllocationFootnote Reference* ^ (% of Net Assets)

(as of March 31, 2026)

Group By Asset Type Chart
Table Summary
Value
Value
Corporate Bonds
23.4%
Yankee Dollars
21.9%
U.S. Treasury Obligations
18.2%
U.S. Government Agency Mortgages
17.8%
Collateralized Mortgage Obligations
9.3%
Asset-Backed Securities
7.8%
Insurance-Linked Securities
3.6%
OtherFootnote Reference**
2.6%
C000256501  
Shareholder Report [Line Items]  
Fund Name Victory Pioneer Strategic Income Fund
Class Name Class R6
Trading Symbol STRKX
Annual or Semi-Annual Statement [Text Block] Semi-Annual Shareholder Report
Additional Information [Text Block] You can find additional information about the Fund at advisor.vcm.com/literature/ mutual-fund-prospectuses. You may also request more information by calling 800-539-3863 or visiting vcm.com/contact-us.    
Additional Information Phone Number 800-539-3863
Additional Information Website vcm.com
Expenses [Text Block]

What were the Fund's costs for the last six months?

(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 InvestmentFootnote Reference*
Class R6
$30
0.59%
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 30
Expense Ratio, Percent 0.59%
AssetsNet $ 3,725,684,000
Holdings Count | Holding 1,196
InvestmentCompanyPortfolioTurnover 43.00%
Additional Fund Statistics [Text Block]

FUND STATISTICS

($ amounts in 000s)

(as of March 31, 2026)

Table Summary
Net Assets
$3,725,684
Number of Holdings
1,196
Portfolio Turnover
43%
Holdings [Text Block]

Asset AllocationFootnote Reference* ^ (% of Net Assets)

(as of March 31, 2026)

Group By Asset Type Chart
Table Summary
Value
Value
Corporate Bonds
23.4%
Yankee Dollars
21.9%
U.S. Treasury Obligations
18.2%
U.S. Government Agency Mortgages
17.8%
Collateralized Mortgage Obligations
9.3%
Asset-Backed Securities
7.8%
Insurance-Linked Securities
3.6%
OtherFootnote Reference**
2.6%
C000256502  
Shareholder Report [Line Items]  
Fund Name Victory Pioneer Strategic Income Fund
Class Name Class Y
Trading Symbol STRYX
Annual or Semi-Annual Statement [Text Block] Semi-Annual Shareholder Report
Additional Information [Text Block] You can find additional information about the Fund at advisor.vcm.com/literature/ mutual-fund-prospectuses. You may also request more information by calling 800-539-3863 or visiting vcm.com/contact-us.    
Additional Information Phone Number 800-539-3863
Additional Information Website vcm.com
Expenses [Text Block]

What were the Fund's costs for the last six months?

(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 InvestmentFootnote Reference*
Class Y
$34
0.68%
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.68%
AssetsNet $ 3,725,684,000
Holdings Count | Holding 1,196
InvestmentCompanyPortfolioTurnover 43.00%
Additional Fund Statistics [Text Block]

FUND STATISTICS

($ amounts in 000s)

(as of March 31, 2026)

Table Summary
Net Assets
$3,725,684
Number of Holdings
1,196
Portfolio Turnover
43%
Holdings [Text Block]

Asset AllocationFootnote Reference* ^ (% of Net Assets)

(as of March 31, 2026)

Group By Asset Type Chart
Table Summary
Value
Value
Corporate Bonds
23.4%
Yankee Dollars
21.9%
U.S. Treasury Obligations
18.2%
U.S. Government Agency Mortgages
17.8%
Collateralized Mortgage Obligations
9.3%
Asset-Backed Securities
7.8%
Insurance-Linked Securities
3.6%
OtherFootnote Reference**
2.6%