v3.25.2
Shareholder Report
 6 Months Ended
Apr. 30, 2025
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Northern Lights Fund Trust IV
Entity Central Index Key 0001644419
Entity Investment Company Type N-1A
Document Period End Date Apr. 30, 2025
C000228990  
Shareholder Report [Line Items]  
Fund Name Main International ETF
Trading Symbol INTL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Main International ETF for the period of November 1, 2024 to April 30, 2025.
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.mainmgtetfs.com/intl/. You can also request this information by contacting us at 1-866-383-9778
Material Fund Change Notice [Text Block] This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1-866-383-9778
Additional Information Website https://www.mainmgtetfs.com/intl/
Expenses [Text Block]

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

(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
Main International ETF
$38
0.73%Footnote Reference*

* Annualized
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.73%
AssetsNet $ 123,215,790
Holdings Count | Holding 9
Advisory Fees Paid, Amount $ 314,916
InvestmentCompanyPortfolioTurnover 40.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

Net Assets
$123,215,790
Number of Portfolio Holdings
9
Advisory Fee
$314,916
Portfolio Turnover
40%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Exchange-Traded Funds
99.3%
Money Market Funds
0.7%

Asset Weighting (% of net assets)

Group By Sector Chart
Value
Value
Liabilities in Excess of Other Assets
-0.1%
Money Market Funds
0.7%
Equity
99.4%

Top Holdings (% of net assets)

Holding Name
% of Net Assets
iShares Core MSCI International Developed Markets ETF
40.7%
iShares Core MSCI Emerging Markets ETF
16.7%
SPDR Portfolio Europe ETF
13.2%
KraneShares CSI China Internet ETF
9.1%
SPDR Portfolio Emerging Markets ETF
6.2%
Vanguard FTSE Pacific ETF
5.6%
Franklin FTSE Mexico ETF
5.5%
Franklin FTSE Canada ETF
2.4%
State Street Institutional Money Market Fund, Premier Class
0.7%
C000190408  
Shareholder Report [Line Items]  
Fund Name Main Sector Rotation ETF
Trading Symbol SECT
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Main Sector Rotation ETF for the period of November 1, 2024 to April 30, 2025.
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.mainmgtetfs.com/sect/. You can also request this information by contacting us at 1-866-383-9778
Material Fund Change Notice [Text Block] This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1-866-383-9778
Additional Information Website https://www.mainmgtetfs.com/sect/
Expenses [Text Block]

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

(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
Main Sector Rotation ETF
$27
0.56%Footnote Reference*

* Annualized
Expenses Paid, Amount $ 27
Expense Ratio, Percent 0.56%
AssetsNet $ 1,845,859,526
Holdings Count | Holding 12
Advisory Fees Paid, Amount $ 4,822,721
InvestmentCompanyPortfolioTurnover 24.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

Net Assets
$1,845,859,526
Number of Portfolio Holdings
12
Advisory Fee
$4,822,721
Portfolio Turnover
24%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Exchange-Traded Funds
90.9%
Money Market Funds
9.1%

Asset Weighting (% of net assets)

Group By Sector Chart
Value
Value
Liabilities in Excess of Other Assets
-8.9%
Index Option
-0.1%
Money Market Funds
0.0%
Collateral for Securities Loaned
9.9%
Equity
99.1%

Top 10 Holdings (% of net assets)

Holding Name
% of Net Assets
Invesco QQQ Trust Series 1
18.9%
Communication Services Select Sector SPDR Fund
15.3%
Financial Select Sector SPDR Fund
13.9%
Health Care Select Sector SPDR Fund
11.0%
VanEck Semiconductor ETF
10.8%
Technology Select Sector SPDR Fund
10.2%
State Street Navigator Securities Lending Government Money Market Portfolio
9.9%
iShares Expanded Tech-Software Sector ETF
8.7%
Consumer Discretionary Select Sector SPDR Fund
8.4%
iShares U.S. Home Construction ETF
1.9%
C000223946  
Shareholder Report [Line Items]  
Fund Name Main Thematic Innovation ETF
Trading Symbol TMAT
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Main Thematic Innovation ETF for the period of November 1, 2024 to April 30, 2025.
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.mainmgtetfs.com/tmat/. You can also request this information by contacting us at 1-866-383-9778
Material Fund Change Notice [Text Block] This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number 1-866-383-9778
Additional Information Website https://www.mainmgtetfs.com/tmat/
Expenses [Text Block]

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

(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
Main Thematic Innovation ETF
$41
0.82%Footnote Reference*

* Annualized
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.82%
AssetsNet $ 135,504,617
Holdings Count | Holding 121
Advisory Fees Paid, Amount $ 488,967
InvestmentCompanyPortfolioTurnover 3.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

Net Assets
$135,504,617
Number of Portfolio Holdings
121
Advisory Fee
$488,967
Portfolio Turnover
3%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Value
Value
Common Stocks
95.5%
Money Market Funds
4.5%
Right
0.0%

Sector Weighting (% of net assets)

Group By Sector Chart
Value
Value
Liabilities in Excess of Other Assets
-3.5%
Utilities
0.6%
Real Estate
1.0%
Money Market Funds
1.2%
Industrials
3.1%
Collateral for Securities Loaned
3.5%
Financials
4.2%
Consumer Discretionary
6.5%
Health Care
10.1%
Communications
11.8%
Technology
61.5%

Top 10 Holdings (% of net assets)

Holding Name
% of Net Assets
Palantir Technologies, Inc.
4.6%
State Street Navigator Securities Lending Government Money Market Portfolio
3.5%
NVIDIA Corporation
3.4%
Broadcom, Inc.
2.5%
Cloudflare, Inc., Class A
2.2%
Snowflake, Inc., Class A
2.0%
ROBLOX Corporation, Class A
1.9%
Meta Platforms, Inc., Class A
1.8%
CACI International, Inc., Class A
1.7%
Taiwan Semiconductor Manufacturing Company Ltd.
1.6%