v3.26.1
Shareholder Report
 6 Months Ended
Apr. 30, 2026
USD ($)
$ / shares
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Innovator ETFs Trust
Entity Central Index Key 0001415726
Entity Investment Company Type N-1A
Document Period End Date Apr. 30, 2026
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Innovator Buffer Step-Up Strategy ETF®  
Shareholder Report [Line Items]  
Fund Name Innovator Buffer Step-Up Strategy ETF®
Class Name Innovator Buffer Step-Up Strategy ETF®
Trading Symbol BSTP
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Buffer Step-Up Strategy ETF® for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BSTP. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BSTP
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Buffer Step-Up Strategy ETF®
$45
0.89%
[1]
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.89%
Material Change Date Jun. 17, 2026
Net Assets $ 58,373,635
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 252,408
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$58,373,635
Number of Holdings
4
Net Advisory Fee
$252,408
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $7.23
98.9%
State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $718.70
5.8%
State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $841.84 (Short)
-1.4%
State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $654.02 (Short)
-3.6%
[2]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BSTP
Innovator Deepwater Frontier Tech ETF  
Shareholder Report [Line Items]  
Fund Name Innovator Deepwater Frontier Tech ETF
Class Name Innovator Deepwater Frontier Tech ETF
Trading Symbol LOUP
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Deepwater Frontier Tech ETF for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=LOUP. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=LOUP
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Deepwater Frontier Tech ETF
$34
0.70%
[3]
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.70%
Material Change Date Jun. 17, 2026
Net Assets $ 176,542,847
Holdings Count | $ / shares 31
Advisory Fees Paid, Amount $ 572,820
Investment Company Portfolio Turnover 68.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$176,542,847
Number of Holdings
31
Net Advisory Fee
$572,820
Portfolio Turnover
68%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Sectors
(%)
Technology
34.9%
Communications
23.1%
Industrial
23.1%
Consumer, Non-cyclical
8.5%
Financial
4.5%
Basic Materials
2.9%
Utilities
2.8%
Cash & Other
0.2%
[4]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=LOUP
Innovator Equity Autocallable Income Strategy ETF  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Autocallable Income Strategy ETF
Class Name Innovator Equity Autocallable Income Strategy ETF
Trading Symbol ACEI
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Autocallable Income Strategy ETF for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=ACEI. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=ACEI
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Autocallable Income Strategy ETF
$40
0.79%
[5]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 34,663,006
Holdings Count | $ / shares 11
Advisory Fees Paid, Amount $ 77,115
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$34,663,006
Number of Holdings
11
Net Advisory Fee
$77,115
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
United States Treasury Bill
104.1%
AAPL AUTOCALL 3-29-29
0.2%
Amazon.com, Inc.
0.1%
Nvidia Corp.
0.1%
AVGO TRS 04302029
0.0%
GOOG TRS 04302029
0.0%
Tesla, Inc.
0.0%
Berkshire Hathaway, Inc.
0.0%
Meta Platforms, Inc.
-0.9%
Microsoft Corp.
-1.1%
[6]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=ACEI
Innovator Equity Managed 10 Buffer ETF™  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Managed 10 Buffer ETF™
Class Name Innovator Equity Managed 10 Buffer ETF™
Trading Symbol XBFR
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Managed 10 Buffer ETF™ for the period of February 23, 2026, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=XBFR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=XBFR
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Equity Managed 10 Buffer ETF™
$14
0.79%
[7],[8]
Expenses Paid, Amount $ 14
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 26,766,049
Holdings Count | $ / shares 196
Advisory Fees Paid, Amount $ 19,060
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$26,766,049
Number of Holdings
196
Net Advisory Fee
$19,060
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Sectors
(%)
Technology
33.2%
Communications
17.3%
Financial
13.0%
Consumer, Non-cyclical
10.9%
Consumer, Cyclical
7.9%
Industrial
7.9%
Energy
3.6%
Utilities
2.0%
Basic Materials
1.2%
Cash & Other
3.0%
[9]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Innovator Equity Managed 100 Buffer ETF™  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Managed 100 Buffer ETF™
Class Name Innovator Equity Managed 100 Buffer ETF™
Trading Symbol BFRZ
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Managed 100 Buffer ETF™ for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BFRZ. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BFRZ
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Managed 100 Buffer ETF™
$44
0.89%
[10]
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.89%
Material Change Date Jun. 17, 2026
Net Assets $ 124,100,809
Holdings Count | $ / shares 192
Advisory Fees Paid, Amount $ 439,873
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$124,100,809
Number of Holdings
192
Net Advisory Fee
$439,873
Portfolio Turnover
12%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Sectors
(%)
Technology
31.5%
Communications
16.8%
Financial
12.3%
Consumer, Non-cyclical
11.2%
Industrial
8.4%
Consumer, Cyclical
8.1%
Finance and Insurance
4.2%
Energy
3.5%
Utilities
2.3%
Cash & Other
1.7%
[11]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BFRZ
Innovator Equity Managed Floor ETF®  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Managed Floor ETF®
Class Name Innovator Equity Managed Floor ETF®
Trading Symbol SFLR
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Managed Floor ETF® for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=SFLR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=SFLR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Managed Floor ETF®
$44
0.89%
[12]
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.89%
Material Change Date Jun. 17, 2026
Net Assets $ 1,648,035,608
Holdings Count | $ / shares 196
Advisory Fees Paid, Amount $ 6,222,082
Investment Company Portfolio Turnover 16.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$1,648,035,608
Number of Holdings
196
Net Advisory Fee
$6,222,082
Portfolio Turnover
16%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Sectors
(%)
Technology
33.1%
Communications
17.5%
Financial
12.5%
Consumer, Non-cyclical
11.4%
Industrial
8.1%
Consumer, Cyclical
7.8%
Energy
3.7%
Utilities
2.4%
Basic Materials
2.0%
Cash & Other
1.5%
[13]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=SFLR
Innovator Equity Premium Income - Daily Putwrite ETF  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Premium Income - Daily Putwrite ETF
Class Name Innovator Equity Premium Income - Daily Putwrite ETF
Trading Symbol SPUT
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Premium Income - Daily Putwrite ETF for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=SPUT. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=SPUT
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Premium Income - Daily Putwrite ETF
$40
0.79%
[14]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 13,913,913
Holdings Count | $ / shares 503
Advisory Fees Paid, Amount $ 45,669
Investment Company Portfolio Turnover 2.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$13,913,913
Number of Holdings
503
Net Advisory Fee
$45,669
Portfolio Turnover
2%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Sectors
(%)
Technology
16.7%
Communications
9.2%
Consumer, Non-cyclical
6.4%
Financial
6.2%
Industrial
4.3%
Consumer, Cyclical
4.1%
Energy
1.9%
Utilities
1.1%
Basic Materials
0.8%
Cash & Other
49.3%
[15]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=SPUT
Innovator Gradient Tactical Rotation Strategy ETF  
Shareholder Report [Line Items]  
Fund Name Innovator Gradient Tactical Rotation Strategy ETF
Class Name Innovator Gradient Tactical Rotation Strategy ETF
Trading Symbol IGTR
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Gradient Tactical Rotation Strategy ETF for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=IGTR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=IGTR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Gradient Tactical Rotation Strategy ETF
$42
0.80%
[16]
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.80%
Material Change Date Jun. 17, 2026
Net Assets $ 54,905,055
Holdings Count | $ / shares 197
Advisory Fees Paid, Amount $ 222,706
Investment Company Portfolio Turnover 280.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$54,905,055
Number of Holdings
197
Net Advisory Fee
$222,706
Portfolio Turnover
280%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Sectors
(%)
Financial
29.0%
Industrial
16.7%
Consumer, Cyclical
12.9%
Consumer, Non-cyclical
12.7%
Technology
9.9%
Basic Materials
7.1%
Energy
4.3%
Communications
2.5%
Utilities
1.9%
Cash & Other
3.0%
[17]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=IGTR
Innovator Hedged Nasdaq-100® ETF  
Shareholder Report [Line Items]  
Fund Name Innovator Hedged Nasdaq-100® ETF
Class Name Innovator Hedged Nasdaq-100® ETF
Trading Symbol QHDG
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Hedged Nasdaq-100® ETF for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=QHDG. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=QHDG
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Hedged Nasdaq-100® ETF
$39
0.79%
[18]
Expenses Paid, Amount $ 39
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 2,984,441
Holdings Count | $ / shares 105
Advisory Fees Paid, Amount $ 12,486
Investment Company Portfolio Turnover 18.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$2,984,441
Number of Holdings
105
Net Advisory Fee
$12,486
Portfolio Turnover
18%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Sectors
(%)
Technology
55.1%
Communications
28.1%
Consumer, Cyclical
12.2%
Consumer, Non-cyclical
8.3%
Industrial
1.9%
Utilities
1.5%
Basic Materials
1.2%
Energy
0.7%
Financial
0.1%
Cash & Other
-9.1%
[19]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=QHDG
Innovator Index Autocallable Income Strategy ETF  
Shareholder Report [Line Items]  
Fund Name Innovator Index Autocallable Income Strategy ETF
Class Name Innovator Index Autocallable Income Strategy ETF
Trading Symbol ACII
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Index Autocallable Income Strategy ETF for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=ACII. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=ACII
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Index Autocallable Income Strategy ETF
$40
0.79%
[20]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 83,046,704
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 111,730
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$83,046,704
Number of Holdings
5
Net Advisory Fee
$111,730
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
United States Treasury Bill
98.1%
Worst of SPY QQQ IWM 2029
0.3%
Worst of SPY QQQ IWM 2027
0.2%
SPY QQQ IWM TRS 04302029
0.0%
[21]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=ACII
Innovator International Developed Managed 10 Buffer ETF™  
Shareholder Report [Line Items]  
Fund Name Innovator International Developed Managed 10 Buffer ETF™
Class Name Innovator International Developed Managed 10 Buffer ETF™
Trading Symbol IBFR
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator International Developed Managed 10 Buffer ETF™ for the period of February 23, 2026, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=IBFR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=IBFR
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator International Developed Managed 10 Buffer ETF™
$16
0.89%
[22],[23]
Expenses Paid, Amount $ 16
Expense Ratio, Percent 0.89%
Material Change Date Jun. 17, 2026
Net Assets $ 14,635,131
Holdings Count | $ / shares 289
Advisory Fees Paid, Amount $ 7,844
Investment Company Portfolio Turnover 1.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$14,635,131
Number of Holdings
289
Net Advisory Fee
$7,844
Portfolio Turnover
1%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Sectors
(%)
Financial
25.4%
Consumer, Non-cyclical
17.2%
Industrial
16.4%
Consumer, Cyclical
10.8%
Technology
6.8%
Basic Materials
5.3%
Communications
4.2%
Energy
4.0%
Utilities
3.8%
Cash & Other
6.1%
[24]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=IBFR
Innovator International Developed Managed Floor ETF®  
Shareholder Report [Line Items]  
Fund Name Innovator International Developed Managed Floor ETF®
Class Name Innovator International Developed Managed Floor ETF®
Trading Symbol IFLR
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator International Developed Managed Floor ETF® for the period of November 19, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=IFLR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=IFLR
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator International Developed Managed Floor ETF®
$41
0.89%
[25],[26]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.89%
Material Change Date Jun. 17, 2026
Net Assets $ 61,528,021
Holdings Count | $ / shares 312
Advisory Fees Paid, Amount $ 131,164
Investment Company Portfolio Turnover 4.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$61,528,021
Number of Holdings
312
Net Advisory Fee
$131,164
Portfolio Turnover
4%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Sectors
(%)
Financial
25.5%
Consumer, Non-cyclical
17.7%
Industrial
16.5%
Consumer, Cyclical
11.4%
Technology
7.7%
Basic Materials
5.4%
Energy
4.2%
Communications
4.1%
Utilities
3.8%
Cash & Other
3.7%
[27]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=IFLR
Innovator Laddered Allocation Buffer ETF™  
Shareholder Report [Line Items]  
Fund Name Innovator Laddered Allocation Buffer ETF™
Class Name Innovator Laddered Allocation Buffer ETF™
Trading Symbol BUFB
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Laddered Allocation Buffer ETF™ for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BUFB. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BUFB
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator Laddered Allocation Buffer ETF™
$5**
0.10%**
[28],[29]
Expenses Paid, Amount $ 5 [28]
Expense Ratio, Percent 0.10%
Material Change Date Jun. 17, 2026
Net Assets $ 286,108,485
Holdings Count | $ / shares 13
Advisory Fees Paid, Amount $ 116,808
Investment Company Portfolio Turnover 1.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$286,108,485
Number of Holdings
13
Net Advisory Fee
$116,808
Portfolio Turnover
1%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Innovator U.S. Equity Buffer ETF - November
8.4%
Innovator U.S. Equity Buffer ETF -December
8.4%
Innovator U.S. Equity Buffer ETF - February
8.4%
Innovator U.S. Equity Buffer ETF - October
8.4%
Innovator U.S. Equity Buffer ETF - January
8.4%
Innovator U.S. Equity Buffer ETF - March
8.3%
Innovator U.S. Equity Buffer ETF - September
8.3%
Innovator U.S. Equity Buffer ETF - August
8.3%
Innovator U.S. Equity Buffer ETF - July
8.3%
Innovator U.S. Equity Buffer ETF April
8.3%
[30]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BUFB
Innovator Laddered Allocation Power Buffer ETF™  
Shareholder Report [Line Items]  
Fund Name Innovator Laddered Allocation Power Buffer ETF™
Class Name Innovator Laddered Allocation Power Buffer ETF™
Trading Symbol BUFF
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Laddered Allocation Power Buffer ETF™ for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BUFF. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BUFF
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator Laddered Allocation Power Buffer ETF™
$5**
0.10%**
[31],[32]
Expenses Paid, Amount $ 5 [31]
Expense Ratio, Percent 0.10%
Material Change Date Jun. 17, 2026
Net Assets $ 841,645,624
Holdings Count | $ / shares 12
Advisory Fees Paid, Amount $ 377,873
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$841,645,624
Number of Holdings
12
Net Advisory Fee
$377,873
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Innovator U.S. Equity Power Buffer ETF - November
8.4%
Innovator U.S. Equity Power Buffer ETF - December
8.4%
Innovator U.S. Equity Power Buffer ETF - October
8.4%
Innovator U.S. Equity Power Buffer ETF - February
8.4%
Innovator U.S. Equity Power Buffer ETF - January
8.4%
Innovator U.S. Equity Power Buffer ETF - March
8.3%
Innovator U.S. Equity Power Buffer ETF - September
8.3%
Innovator U.S. Equity Power Buffer ETF - August
8.3%
Innovator U.S. Equity Power Buffer ETF - April
8.3%
Innovator U.S. Equity Power Buffer ETF - July
8.3%
[33]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BUFF
Innovator Nasdaq-100® Managed 10 Buffer ETF™  
Shareholder Report [Line Items]  
Fund Name Innovator Nasdaq-100® Managed 10 Buffer ETF™
Class Name Innovator Nasdaq-100® Managed 10 Buffer ETF™
Trading Symbol NBFR
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Nasdaq-100® Managed 10 Buffer ETF™ for the period of February 23, 2026, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=NBFR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=NBFR
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Nasdaq-100® Managed 10 Buffer ETF™
$14
0.79%
[34],[35]
Expenses Paid, Amount $ 14
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 19,056,104
Holdings Count | $ / shares 50
Advisory Fees Paid, Amount $ 15,847
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$19,056,104
Number of Holdings
50
Net Advisory Fee
$15,847
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Sectors
(%)
Technology
51.7%
Communications
26.4%
Consumer, Cyclical
10.2%
Consumer, Non-cyclical
5.9%
Basic Materials
2.1%
Utilities
1.2%
Industrial
1.1%
Finance and Insurance
-0.4%
Cash & Other
1.8%
[36]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=NBFR
Innovator Nasdaq-100® Managed Floor ETF®  
Shareholder Report [Line Items]  
Fund Name Innovator Nasdaq-100® Managed Floor ETF®
Class Name Innovator Nasdaq-100® Managed Floor ETF®
Trading Symbol QFLR
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Nasdaq-100® Managed Floor ETF® for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=QFLR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=QFLR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Nasdaq-100® Managed Floor ETF®
$45
0.89%
[37]
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.89%
Material Change Date Jun. 17, 2026
Net Assets $ 505,626,668
Holdings Count | $ / shares 52
Advisory Fees Paid, Amount $ 1,997,238
Investment Company Portfolio Turnover 21.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$505,626,668
Number of Holdings
52
Net Advisory Fee
$1,997,238
Portfolio Turnover
21%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
NVIDIA Corp.
9.4%
Apple, Inc.
7.7%
Microsoft Corp.
5.3%
Amazon.com, Inc.
5.3%
Alphabet, Inc. - Class A
4.6%
Alphabet, Inc. - Class C
4.3%
Broadcom, Inc.
4.3%
Advanced Micro Devices, Inc.
4.0%
Lam Research Corp.
3.6%
Meta Platforms, Inc. - Class A
3.5%
[38]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=QFLR
Innovator Power Buffer Step-Up Strategy ETF®  
Shareholder Report [Line Items]  
Fund Name Innovator Power Buffer Step-Up Strategy ETF®
Class Name Innovator Power Buffer Step-Up Strategy ETF®
Trading Symbol PSTP
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Power Buffer Step-Up Strategy ETF® for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=PSTP. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=PSTP
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Power Buffer Step-Up Strategy ETF®
$45
0.89%
[39]
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.89%
Material Change Date Jun. 17, 2026
Net Assets $ 127,900,695
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 568,644
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$127,900,695
Number of Holdings
4
Net Advisory Fee
$568,644
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $7.17
99.0%
State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $718.65
5.8%
State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $812.29 (Short)
-2.5%
State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $610.85 (Short)
-2.6%
[40]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=PSTP
Innovator S&P Investment Grade Preferred ETF  
Shareholder Report [Line Items]  
Fund Name Innovator S&P Investment Grade Preferred ETF
Class Name Innovator S&P Investment Grade Preferred ETF
Trading Symbol EPRF
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator S&P Investment Grade Preferred ETF for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=EPRF. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=EPRF
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator S&P Investment Grade Preferred ETF
$23
0.47%
[41]
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.47%
Material Change Date Jun. 17, 2026
Net Assets $ 71,804,796
Holdings Count | $ / shares 80
Advisory Fees Paid, Amount $ 175,048
Investment Company Portfolio Turnover 7.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$71,804,796
Number of Holdings
80
Net Advisory Fee
$175,048
Portfolio Turnover
7%
Average Credit Quality
AAA
Effective Duration
2 yrs
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Mount Vernon Liquid Assets Portfolio, LLC
5.4%
Apollo Global Management, Inc.
4.2%
KKR & Co., Inc.
4.1%
Ares Management Corp.
4.0%
Voya Financial, Inc.
3.9%
UMB Financial Corp.
3.8%
State Street Corp.
3.8%
Northern Trust Corp.
3.8%
Hartford Insurance Group, Inc.
3.8%
Bank of New York Mellon Corp.
3.8%
[42]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=EPRF
Innovator U.S. Small Cap Managed 10 Buffer ETF™  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Small Cap Managed 10 Buffer ETF™
Class Name Innovator U.S. Small Cap Managed 10 Buffer ETF™
Trading Symbol KBFR
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Small Cap Managed 10 Buffer ETF™ for the period of February 23, 2026, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=KBFR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=KBFR
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator U.S. Small Cap Managed 10 Buffer ETF™
$15
0.79%
[43],[44]
Expenses Paid, Amount $ 15
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 7,649,636
Holdings Count | $ / shares 847
Advisory Fees Paid, Amount $ 9,258
Investment Company Portfolio Turnover 1.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$7,649,636
Number of Holdings
847
Net Advisory Fee
$9,258
Portfolio Turnover
1%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Sectors
(%)
Financial
23.6%
Consumer, Non-cyclical
22.1%
Industrial
14.9%
Consumer, Cyclical
11.1%
Technology
9.6%
Energy
6.0%
Communications
3.8%
Basic Materials
3.7%
Utilities
2.3%
Cash & Other
2.9%
[45]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=KBFR
Innovator U.S. Small Cap Managed Floor ETF®  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Small Cap Managed Floor ETF®
Class Name Innovator U.S. Small Cap Managed Floor ETF®
Trading Symbol RFLR
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Small Cap Managed Floor ETF® for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=RFLR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=RFLR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Small Cap Managed Floor ETF®
$46
0.89%
[46]
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.89%
Material Change Date Jun. 17, 2026
Net Assets $ 76,875,983
Holdings Count | $ / shares 849
Advisory Fees Paid, Amount $ 232,889
Investment Company Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$76,875,983
Number of Holdings
849
Net Advisory Fee
$232,889
Portfolio Turnover
29%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Sectors
(%)
Financial
23.5%
Consumer, Non-cyclical
22.1%
Industrial
15.2%
Consumer, Cyclical
10.9%
Technology
9.5%
Energy
6.5%
Communications
3.8%
Basic Materials
3.7%
Utilities
2.1%
Cash & Other
2.7%
[47]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=RFLR
Innovator Uncapped Accelerated U.S. Equity ETF  
Shareholder Report [Line Items]  
Fund Name Innovator Uncapped Accelerated U.S. Equity ETF
Class Name Innovator Uncapped Accelerated U.S. Equity ETF
Trading Symbol XUSP
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Uncapped Accelerated U.S. Equity ETF for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=XUSP. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=XUSP
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Uncapped Accelerated U.S. Equity ETF
$40
0.79%
[48]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 43,808,451
Holdings Count | $ / shares 12
Advisory Fees Paid, Amount $ 185,469
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$43,808,451
Number of Holdings
12
Net Advisory Fee
$185,469
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $6.69
25.7%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $6.85
25.5%
State Street SPDR S&P 500 ETF Trust, Expiration: 03/31/2027; Exercise Price: $6.53
23.2%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $6.20
23.2%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $648.74
4.3%
State Street SPDR S&P 500 ETF Trust, Expiration: 03/31/2027; Exercise Price: $682.86
4.2%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $716.02
3.1%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $699.49
2.9%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $681.95 (Short)
-2.7%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $666.21 (Short)
-2.7%
[49]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=XUSP
Innovator 20+ Year Treasury Bond 5 Floor ETF® - Quarterly  
Shareholder Report [Line Items]  
Fund Name Innovator 20+ Year Treasury Bond 5 Floor ETF® - Quarterly
Class Name Innovator 20+ Year Treasury Bond 5 Floor ETF® - Quarterly
Trading Symbol TFJL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator 20+ Year Treasury Bond 5 Floor ETF® - Quarterly for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=TFJL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=TFJL
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator 20+ Year Treasury Bond 5 Floor ETF® - Quarterly
$38
0.79%
[50]
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 7,758,643
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 36,799
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$7,758,643
Number of Holdings
3
Net Advisory Fee
$36,799
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares 20+ Year Treasury Bond ETF, Expiration: 06/30/2026; Exercise Price: $0.22
99.3%
iShares 20+ Year Treasury Bond ETF, Expiration: 06/30/2026; Exercise Price: $82.36
0.6%
iShares 20+ Year Treasury Bond ETF, Expiration: 06/30/2026; Exercise Price: $109.94 (Short)
0.0%
[51]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=TFJL
Innovator 20+ Year Treasury Bond 9 Buffer ETF™ - July  
Shareholder Report [Line Items]  
Fund Name Innovator 20+ Year Treasury Bond 9 Buffer ETF™ - July
Class Name Innovator 20+ Year Treasury Bond 9 Buffer ETF™ - July
Trading Symbol TBJL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator 20+ Year Treasury Bond 9 Buffer ETF™ - July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=TBJL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=TBJL
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator 20+ Year Treasury Bond 9 Buffer ETF™ - July
$39
0.79%
[52]
Expenses Paid, Amount $ 39
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 22,750,865
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 94,989
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$22,750,865
Number of Holdings
4
Net Advisory Fee
$94,989
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares 20+ Year Treasury Bond ETF, Expiration: 06/30/2026; Exercise Price: $0.88
96.5%
iShares 20+ Year Treasury Bond ETF, Expiration: 06/30/2026; Exercise Price: $88.28
3.7%
iShares 20+ Year Treasury Bond ETF, Expiration: 06/30/2026; Exercise Price: $131.23 (Short)
0.0%
iShares 20+ Year Treasury Bond ETF, Expiration: 06/30/2026; Exercise Price: $80.33 (Short)
-0.4%
[53]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=TBJL
Innovator Defined Wealth Shield ETF  
Shareholder Report [Line Items]  
Fund Name Innovator Defined Wealth Shield ETF
Class Name Innovator Defined Wealth Shield ETF
Trading Symbol BALT
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Defined Wealth Shield ETF for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BALT. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BALT
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Defined Wealth Shield ETF
$35
0.69%
[54]
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.69%
Material Change Date Jun. 17, 2026
Net Assets $ 2,421,404,060
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 7,363,954
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$2,421,404,060
Number of Holdings
4
Net Advisory Fee
$7,363,954
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $1.63
108.4%
State Street SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $650.34
0.6%
State Street SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $520.27 (Short)
-0.1%
State Street SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $667.31 (Short)
-9.0%
[55]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BALT
Innovator Emerging Markets 10 Buffer ETF™ - Quarterly  
Shareholder Report [Line Items]  
Fund Name Innovator Emerging Markets 10 Buffer ETF™ - Quarterly
Class Name Innovator Emerging Markets 10 Buffer ETF™ - Quarterly
Trading Symbol EBUF
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Emerging Markets 10 Buffer ETF™ - Quarterly for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=EBUF. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=EBUF
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator Emerging Markets 10 Buffer ETF™ - Quarterly
$46
0.89%
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.89%
Material Change Date Jun. 17, 2026
Net Assets $ 31,816,994
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 91,284
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$31,816,994
Number of Holdings
4
Net Advisory Fee
$91,284
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI Emerging Markets ETF, Expiration: 06/30/2026; Exercise Price: $0.14
106.1%
iShares MSCI Emerging Markets ETF, Expiration: 06/30/2026; Exercise Price: $56.79
1.1%
iShares MSCI Emerging Markets ETF, Expiration: 06/30/2026; Exercise Price: $51.11 (Short)
-0.4%
iShares MSCI Emerging Markets ETF, Expiration: 06/30/2026; Exercise Price: $61.33 (Short)
-6.9%
[56]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=EBUF
Innovator Emerging Markets Power Buffer ETF™ - April  
Shareholder Report [Line Items]  
Fund Name Innovator Emerging Markets Power Buffer ETF™ - April
Class Name Innovator Emerging Markets Power Buffer ETF™ - April
Trading Symbol EAPR
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Emerging Markets Power Buffer ETF™ - April for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=EAPR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=EAPR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Emerging Markets Power Buffer ETF™ - April
$46
0.89%
[57]
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.89%
Material Change Date Jun. 17, 2026
Net Assets $ 99,863,888
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 346,069
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$99,863,888
Number of Holdings
4
Net Advisory Fee
$346,069
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI Emerging Markets ETF, Expiration: 03/31/2027; Exercise Price: $0.57
103.1%
iShares MSCI Emerging Markets ETF, Expiration: 03/31/2027; Exercise Price: $56.79
4.6%
iShares MSCI Emerging Markets ETF, Expiration: 03/31/2027; Exercise Price: $48.27 (Short)
-1.9%
iShares MSCI Emerging Markets ETF, Expiration: 03/31/2027; Exercise Price: $70.53 (Short)
-6.0%
[58]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=EAPR
Innovator Emerging Markets Power Buffer ETF™ - January  
Shareholder Report [Line Items]  
Fund Name Innovator Emerging Markets Power Buffer ETF™ - January
Class Name Innovator Emerging Markets Power Buffer ETF™ - January
Trading Symbol EJAN
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Emerging Markets Power Buffer ETF™ - January for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=EJAN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=EJAN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Emerging Markets Power Buffer ETF™ - January
$46
0.89%
[59]
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.89%
Material Change Date Jun. 17, 2026
Net Assets $ 155,367,819
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 527,830
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$155,367,819
Number of Holdings
4
Net Advisory Fee
$527,830
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI Emerging Markets ETF, Expiration: 12/31/2026; Exercise Price: $0.55
108.5%
iShares MSCI Emerging Markets ETF, Expiration: 12/31/2026; Exercise Price: $54.71
3.4%
iShares MSCI Emerging Markets ETF, Expiration: 12/31/2026; Exercise Price: $46.50 (Short)
-1.4%
iShares MSCI Emerging Markets ETF, Expiration: 12/31/2026; Exercise Price: $62.62 (Short)
-10.7%
[60]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=EJAN
Innovator Emerging Markets Power Buffer ETF™ - July  
Shareholder Report [Line Items]  
Fund Name Innovator Emerging Markets Power Buffer ETF™ - July
Class Name Innovator Emerging Markets Power Buffer ETF™ - July
Trading Symbol EJUL
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Emerging Markets Power Buffer ETF™ - July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=EJUL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=EJUL
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Emerging Markets Power Buffer ETF™ - July
$45
0.89%
[61]
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.89%
Material Change Date Jun. 17, 2026
Net Assets $ 140,256,107
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 606,560
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$140,256,107
Number of Holdings
4
Net Advisory Fee
$606,560
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI Emerging Markets ETF, Expiration: 06/30/2026; Exercise Price: $0.48
117.1%
iShares MSCI Emerging Markets ETF, Expiration: 06/30/2026; Exercise Price: $48.24
0.2%
iShares MSCI Emerging Markets ETF, Expiration: 06/30/2026; Exercise Price: $41.00 (Short)
-0.1%
iShares MSCI Emerging Markets ETF, Expiration: 06/30/2026; Exercise Price: $54.93 (Short)
-17.3%
[62]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=EJUL
Innovator Emerging Markets Power Buffer ETF™ - October  
Shareholder Report [Line Items]  
Fund Name Innovator Emerging Markets Power Buffer ETF™ - October
Class Name Innovator Emerging Markets Power Buffer ETF™ - October
Trading Symbol EOCT
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Emerging Markets Power Buffer ETF™ - October for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=EOCT. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=EOCT
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Emerging Markets Power Buffer ETF™ - October
$46
0.89%
[63]
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.89%
Material Change Date Jun. 17, 2026
Net Assets $ 112,419,999
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 528,556
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$112,419,999
Number of Holdings
4
Net Advisory Fee
$528,556
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI Emerging Markets ETF, Expiration: 09/30/2026; Exercise Price: $0.53
108.4%
iShares MSCI Emerging Markets ETF, Expiration: 09/30/2026; Exercise Price: $53.40
1.8%
iShares MSCI Emerging Markets ETF, Expiration: 09/30/2026; Exercise Price: $45.39 (Short)
-0.6%
iShares MSCI Emerging Markets ETF, Expiration: 09/30/2026; Exercise Price: $61.52 (Short)
-9.7%
[64]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=EOCT
Innovator Equity Defined Protection ETF® - 1 Yr April  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 1 Yr April
Class Name Innovator Equity Defined Protection ETF® - 1 Yr April
Trading Symbol ZAPR
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 1 Yr April for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=ZAPR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=ZAPR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Defined Protection ETF® - 1 Yr April
$39
0.78%
[65]
Expenses Paid, Amount $ 39
Expense Ratio, Percent 0.78%
Material Change Date Jun. 17, 2026
Net Assets $ 82,062,433
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 165,009
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$82,062,433
Number of Holdings
5
Net Advisory Fee
$165,009
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Vanguard S&P 500 ETF
107.2%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $597.55
3.6%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $621.45
0.3%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $621.45 (Short)
-0.1%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $641.11 (Short)
-11.3%
[66]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=ZAPR
Innovator Equity Defined Protection ETF® - 1 Yr August  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 1 Yr August
Class Name Innovator Equity Defined Protection ETF® - 1 Yr August
Trading Symbol ZAUG
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 1 Yr August for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=ZAUG. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=ZAUG
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Defined Protection ETF® - 1 Yr August
$40
0.79%
[67]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 103,487,714
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 429,728
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$103,487,714
Number of Holdings
3
Net Advisory Fee
$429,728
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $6.35
107.6%
SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $632.11
0.8%
SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $678.16 (Short)
-8.5%
[68]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=ZAUG
Innovator Equity Defined Protection ETF® - 1 Yr December  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 1 Yr December
Class Name Innovator Equity Defined Protection ETF® - 1 Yr December
Trading Symbol ZDEK
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 1 Yr December for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=ZDEK. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=ZDEK
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Defined Protection ETF® - 1 Yr December
$40
0.79%
[69]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 114,457,430
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 458,170
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$114,457,430
Number of Holdings
3
Net Advisory Fee
$458,170
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $6.86
102.0%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $683.42
3.2%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $730.26 (Short)
-5.4%
[70]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=ZDEK
Innovator Equity Defined Protection ETF® - 1 Yr February  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 1 Yr February
Class Name Innovator Equity Defined Protection ETF® - 1 Yr February
Trading Symbol ZFEB
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 1 Yr February for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=ZFEB. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=ZFEB
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Equity Defined Protection ETF® - 1 Yr February
$40
0.79%
[71],[72]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 162,508,093
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 524,262
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$162,508,093
Number of Holdings
3
Net Advisory Fee
$524,262
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $6.95
101.7%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $692.00
4.1%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $736.12 (Short)
-6.0%
[73]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=ZFEB
Innovator Equity Defined Protection ETF® - 1 Yr January  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 1 Yr January
Class Name Innovator Equity Defined Protection ETF® - 1 Yr January
Trading Symbol ZJAN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 1 Yr January for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=ZJAN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=ZJAN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Defined Protection ETF® - 1 Yr January
$40
0.79%
[74]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 115,218,888
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 348,777
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$115,218,888
Number of Holdings
3
Net Advisory Fee
$348,777
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $6.86
102.5%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $681.96
3.6%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $726.65 (Short)
-6.3%
[75]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=ZJAN
Innovator Equity Defined Protection ETF® - 1 Yr July  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 1 Yr July
Class Name Innovator Equity Defined Protection ETF® - 1 Yr July
Trading Symbol ZJUL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 1 Yr July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=ZJUL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=ZJUL
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator Equity Defined Protection ETF® - 1 Yr July
$40
0.79%
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 129,722,386
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 546,971
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$129,722,386
Number of Holdings
3
Net Advisory Fee
$546,971
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $6.22
109.5%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $617.89
0.4%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $661.10 (Short)
-10.0%
[76]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=ZJUL
Innovator Equity Defined Protection ETF® - 1 Yr June  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 1 Yr June
Class Name Innovator Equity Defined Protection ETF® - 1 Yr June
Trading Symbol ZJUN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 1 Yr June for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=ZJUN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=ZJUN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Defined Protection ETF® - 1 Yr June
$40
0.79%
[77]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 33,463,897
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 161,136
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$33,463,897
Number of Holdings
3
Net Advisory Fee
$161,136
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 05/29/2026; Exercise Price: $5.92
113.9%
SPDR S&P 500 ETF Trust, Expiration: 05/29/2026; Exercise Price: $589.41
0.1%
SPDR S&P 500 ETF Trust, Expiration: 05/29/2026; Exercise Price: $632.42 (Short)
-14.3%
[78]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=ZJUN
Innovator Equity Defined Protection ETF® - 1 Yr March  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 1 Yr March
Class Name Innovator Equity Defined Protection ETF® - 1 Yr March
Trading Symbol ZMAR
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 1 Yr March for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=ZMAR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=ZMAR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Defined Protection ETF® - 1 Yr March
$39
0.78%
[79]
Expenses Paid, Amount $ 39
Expense Ratio, Percent 0.78%
Material Change Date Jun. 17, 2026
Net Assets $ 121,234,860
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 370,601
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$121,234,860
Number of Holdings
5
Net Advisory Fee
$370,601
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Vanguard S&P 500 ETF
102.1%
Vanguard S&P 500 ETF, Expiration: 02/26/2027; Exercise Price: $631.04
4.2%
Vanguard S&P 500 ETF, Expiration: 02/26/2027; Exercise Price: $656.28
0.2%
Vanguard S&P 500 ETF, Expiration: 02/26/2027; Exercise Price: $656.28 (Short)
-0.1%
Vanguard S&P 500 ETF, Expiration: 02/26/2027; Exercise Price: $673.51 (Short)
-6.9%
[80]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=ZMAR
Innovator Equity Defined Protection ETF® - 1 Yr May  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 1 Yr May
Class Name Innovator Equity Defined Protection ETF® - 1 Yr May
Trading Symbol ZMAY
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 1 Yr May for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=ZMAY. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=ZMAY
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Defined Protection ETF® - 1 Yr May
$40
0.79%
[81]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 33,489,361
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 137,402
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$33,489,361
Number of Holdings
5
Net Advisory Fee
$137,402
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Vanguard S&P 500 ETF
98.7%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $660.58
5.9%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $687.00
0.1%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $687.00 (Short)
-0.1%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $708.87 (Short)
-4.8%
[82]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=ZMAY
Innovator Equity Defined Protection ETF® - 1 Yr November  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 1 Yr November
Class Name Innovator Equity Defined Protection ETF® - 1 Yr November
Trading Symbol ZNOV
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 1 Yr November for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=ZNOV. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=ZNOV
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Defined Protection ETF® - 1 Yr November
$40
0.79%
[83]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 141,247,581
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 468,413
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$141,247,581
Number of Holdings
3
Net Advisory Fee
$468,413
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $6.85
101.8%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $682.09
2.8%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $728.78 (Short)
-4.8%
[84]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=ZNOV
Innovator Equity Defined Protection ETF® - 1 Yr October  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 1 Yr October
Class Name Innovator Equity Defined Protection ETF® - 1 Yr October
Trading Symbol ZOCT
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 1 Yr October for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=ZOCT. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=ZOCT
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Defined Protection ETF® - 1 Yr October
$40
0.79%
[85]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 114,747,276
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 485,846
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$114,747,276
Number of Holdings
3
Net Advisory Fee
$485,846
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $6.70
103.7%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $666.22
2.1%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $709.68 (Short)
-6.0%
[86]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=ZOCT
Innovator Equity Defined Protection ETF® - 1 Yr September  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 1 Yr September
Class Name Innovator Equity Defined Protection ETF® - 1 Yr September
Trading Symbol ZSEP
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 1 Yr September for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=ZSEP. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=ZSEP
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Defined Protection ETF® - 1 Yr September
$40
0.79%
[87]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 144,522,271
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 540,243
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$144,522,271
Number of Holdings
3
Net Advisory Fee
$540,243
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $6.48
106.4%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $645.08
1.3%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $688.46 (Short)
-7.9%
[88]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=ZSEP
Innovator Equity Defined Protection ETF® - 2 Yr to April 2028  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 2 Yr to April 2028
Class Name Innovator Equity Defined Protection ETF® - 2 Yr to April 2028
Trading Symbol AAPR
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 2 Yr to April 2028 for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=AAPR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=AAPR
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator Equity Defined Protection ETF® - 2 Yr to April 2028
$40
0.79%
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 54,326,487
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 213,970
Investment Company Portfolio Turnover 7.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$54,326,487
Number of Holdings
5
Net Advisory Fee
$213,970
Portfolio Turnover
7%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Vanguard S&P 500 ETF
105.5%
Vanguard S&P 500 ETF, Expiration: 03/31/2028; Exercise Price: $597.55
5.6%
Vanguard S&P 500 ETF, Expiration: 03/31/2028; Exercise Price: $645.35
0.7%
Vanguard S&P 500 ETF, Expiration: 03/31/2028; Exercise Price: $645.35 (Short)
-0.3%
Vanguard S&P 500 ETF, Expiration: 03/31/2028; Exercise Price: $691.57 (Short)
-11.8%
[89]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=AAPR
Innovator Equity Defined Protection ETF® - 2 Yr to April 2027  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 2 Yr to April 2027
Class Name Innovator Equity Defined Protection ETF® - 2 Yr to April 2027
Trading Symbol TAPR
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 2 Yr to April 2027 for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=TAPR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=TAPR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Defined Protection ETF® - 2 Yr to April 2027
$40
0.79%
[90]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 10,502,337
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 40,557
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$10,502,337
Number of Holdings
3
Net Advisory Fee
$40,557
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 03/31/2027; Exercise Price: $10.07
116.4%
SPDR S&P 500 ETF Trust, Expiration: 03/31/2027; Exercise Price: $559.39
1.9%
SPDR S&P 500 ETF Trust, Expiration: 03/31/2027; Exercise Price: $645.09 (Short)
-18.8%
[91]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=TAPR
Innovator Equity Defined Protection ETF® - 2 Yr to January 2028  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 2 Yr to January 2028
Class Name Innovator Equity Defined Protection ETF® - 2 Yr to January 2028
Trading Symbol AJAN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 2 Yr to January 2028 for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=AJAN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=AJAN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Defined Protection ETF® - 2 Yr to January 2028
$40
0.79%
[92]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 45,158,687
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 170,191
Investment Company Portfolio Turnover 8.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$45,158,687
Number of Holdings
3
Net Advisory Fee
$170,191
Portfolio Turnover
8%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 12/31/2027; Exercise Price: $12.27
102.2%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2027; Exercise Price: $681.92
6.1%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2027; Exercise Price: $772.68 (Short)
-8.5%
[93]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=AJAN
Innovator Equity Defined Protection ETF® - 2 Yr to January 2027  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 2 Yr to January 2027
Class Name Innovator Equity Defined Protection ETF® - 2 Yr to January 2027
Trading Symbol TJAN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 2 Yr to January 2027 for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=TJAN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=TJAN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Defined Protection ETF® - 2 Yr to January 2027
$40
0.79%
[94]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 32,013,258
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 131,962
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$32,013,258
Number of Holdings
3
Net Advisory Fee
$131,962
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $10.55
110.0%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $586.08
1.6%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $679.50 (Short)
-11.9%
[95]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=TJAN
Innovator Equity Defined Protection ETF® - 2 Yr to July 2027  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 2 Yr to July 2027
Class Name Innovator Equity Defined Protection ETF® - 2 Yr to July 2027
Trading Symbol TJUL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 2 Yr to July 2027 for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=TJUL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=TJUL
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Defined Protection ETF® - 2 Yr to July 2027
$40
0.79%
[96]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 141,895,594
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 623,693
Investment Company Portfolio Turnover 3.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$141,895,594
Number of Holdings
3
Net Advisory Fee
$623,693
Portfolio Turnover
3%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 06/30/2027; Exercise Price: $11.12
109.3%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2027; Exercise Price: $617.85
3.4%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2027; Exercise Price: $701.94 (Short)
-12.8%
[97]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=TJUL
Innovator Equity Defined Protection ETF® - 2 Yr to July 2026  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 2 Yr to July 2026
Class Name Innovator Equity Defined Protection ETF® - 2 Yr to July 2026
Trading Symbol AJUL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 2 Yr to July 2026 for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=AJUL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=AJUL
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator Equity Defined Protection ETF® - 2 Yr to July 2026
$40
0.79%
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 58,792,476
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 232,832
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$58,792,476
Number of Holdings
3
Net Advisory Fee
$232,832
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $9.80
112.5%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $544.22
0.1%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $643.27 (Short)
-12.9%
[98]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=AJUL
Innovator Equity Defined Protection ETF® - 2 Yr to October 2026  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 2 Yr to October 2026
Class Name Innovator Equity Defined Protection ETF® - 2 Yr to October 2026
Trading Symbol AOCT
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 2 Yr to October 2026 for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=AOCT. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=AOCT
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Defined Protection ETF® - 2 Yr to October 2026
$40
0.79%
[99]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 69,684,756
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 277,728
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$69,684,756
Number of Holdings
3
Net Advisory Fee
$277,728
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $10.33
113.2%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $573.76
0.8%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $648.12 (Short)
-14.4%
[100]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=AOCT
Innovator Equity Defined Protection ETF® - 2 Yr to October 2027  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 2 Yr to October 2027
Class Name Innovator Equity Defined Protection ETF® - 2 Yr to October 2027
Trading Symbol TOCT
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 2 Yr to October 2027 for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=TOCT. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=TOCT
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Equity Defined Protection ETF® - 2 Yr to October 2027
$40
0.79%
[101],[102]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 19,487,370
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 61,775
Investment Company Portfolio Turnover 4.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$19,487,370
Number of Holdings
3
Net Advisory Fee
$61,775
Portfolio Turnover
4%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 09/30/2027; Exercise Price: $11.99
103.6%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2027; Exercise Price: $666.18
5.2%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2027; Exercise Price: $751.32 (Short)
-9.0%
[103]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=TOCT
Innovator Equity Defined Protection ETF® - 6 Mo Apr/Oct  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 6 Mo Apr/Oct
Class Name Innovator Equity Defined Protection ETF® - 6 Mo Apr/Oct
Trading Symbol APOC
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 6 Mo Apr/Oct for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=APOC. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=APOC
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Defined Protection ETF® - 6 Mo Apr/Oct
$39
0.79%
[104]
Expenses Paid, Amount $ 39
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 80,811,489
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 399,222
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$80,811,489
Number of Holdings
5
Net Advisory Fee
$399,222
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Vanguard S&P 500 ETF
108.6%
Vanguard S&P 500 ETF, Expiration: 09/30/2026; Exercise Price: $597.55
1.8%
Vanguard S&P 500 ETF, Expiration: 09/30/2026; Exercise Price: $609.50
0.1%
Vanguard S&P 500 ETF, Expiration: 09/30/2026; Exercise Price: $609.50 (Short)
0.0%
Vanguard S&P 500 ETF, Expiration: 09/30/2026; Exercise Price: $618.05 (Short)
-10.6%
[105]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=APOC
Innovator Equity Defined Protection ETF® - 6 Mo Jan/Jul  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Defined Protection ETF® - 6 Mo Jan/Jul
Class Name Innovator Equity Defined Protection ETF® - 6 Mo Jan/Jul
Trading Symbol JAJL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Defined Protection ETF® - 6 Mo Jan/Jul for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=JAJL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=JAJL
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator Equity Defined Protection ETF® - 6 Mo Jan/Jul
$40
0.79%
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 252,790,368
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 935,312
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$252,790,368
Number of Holdings
3
Net Advisory Fee
$935,312
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $3.41
103.0%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $681.92
1.1%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $704.49 (Short)
-4.2%
[106]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=JAJL
Innovator Equity Dual Directional 10 Buffer ETF™ - April  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 10 Buffer ETF™ - April
Class Name Innovator Equity Dual Directional 10 Buffer ETF™ - April
Trading Symbol DDTA
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 10 Buffer ETF™ - April for the period of March 31, 2026, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDTA. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDTA
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Equity Dual Directional 10 Buffer ETF™ - April
$7
0.76%
[107],[108]
Expenses Paid, Amount $ 7
Expense Ratio, Percent 0.76%
Material Change Date Jun. 17, 2026
Net Assets $ 14,509,467
Holdings Count | $ / shares 7
Advisory Fees Paid, Amount $ 7,280
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$14,509,467
Number of Holdings
7
Net Advisory Fee
$7,280
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Vanguard S&P 500 ETF
103.3%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $531.82
20.1%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $597.53
6.8%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $621.42
0.3%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $621.42 (Short)
-0.1%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $695.91 (Short)
-5.4%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $537.80 (Short)
-25.3%
[109]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDTA
Innovator Equity Dual Directional 10 Buffer ETF™ - December  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 10 Buffer ETF™ - December
Class Name Innovator Equity Dual Directional 10 Buffer ETF™ - December
Trading Symbol DDTD
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 10 Buffer ETF™ - December for the period of November 28, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDTD. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDTD
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Equity Dual Directional 10 Buffer ETF™ - December
$33
0.79%
[110],[111]
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 28,260,714
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 59,988
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$28,260,714
Number of Holdings
5
Net Advisory Fee
$59,988
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $6.87
99.8%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $608.22
15.2%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $683.43
6.3%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $777.01 (Short)
-2.1%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $615.05 (Short)
-19.5%
[112]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDTD
Innovator Equity Dual Directional 10 Buffer ETF™ - February  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 10 Buffer ETF™ - February
Class Name Innovator Equity Dual Directional 10 Buffer ETF™ - February
Trading Symbol DDTF
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 10 Buffer ETF™ - February for the period of January 30, 2026, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDTF. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDTF
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Equity Dual Directional 10 Buffer ETF™ - February
$20
0.79%
[113],[114]
Expenses Paid, Amount $ 20
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 18,297,272
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 27,894
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$18,297,272
Number of Holdings
5
Net Advisory Fee
$27,894
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $6.98
100.1%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $615.85
21.0%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $692.03
8.0%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $783.59 (Short)
-2.6%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $622.77 (Short)
-26.7%
[115]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDTF
Innovator Equity Dual Directional 10 Buffer ETF™ - January  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 10 Buffer ETF™ - January
Class Name Innovator Equity Dual Directional 10 Buffer ETF™ - January
Trading Symbol DDTJ
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 10 Buffer ETF™ - January for the period of December 31, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDTJ. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDTJ
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Equity Dual Directional 10 Buffer ETF™ - January
$26
0.79%
[116],[117]
Expenses Paid, Amount $ 26
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 23,078,256
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 49,010
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$23,078,256
Number of Holdings
5
Net Advisory Fee
$49,010
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $6.87
100.4%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $606.91
17.6%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $681.97
7.0%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $769.27 (Short)
-2.9%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $613.73 (Short)
-22.5%
[118]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDTJ
Innovator Equity Dual Directional 10 Buffer ETF™ - July  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 10 Buffer ETF™ - July
Class Name Innovator Equity Dual Directional 10 Buffer ETF™ - July
Trading Symbol DDTL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 10 Buffer ETF™ - July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDTL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDTL
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Dual Directional 10 Buffer ETF™ - July
$40
0.79%
[119]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 102,646,427
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 397,862
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$102,646,427
Number of Holdings
5
Net Advisory Fee
$397,862
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $6.23
104.5%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $549.89
1.3%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $617.90
0.7%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $556.07 (Short)
-1.7%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $695.71 (Short)
-5.2%
[120]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDTL
Innovator Equity Dual Directional 10 Buffer ETF™ - March  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 10 Buffer ETF™ - March
Class Name Innovator Equity Dual Directional 10 Buffer ETF™ - March
Trading Symbol DDTM
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 10 Buffer ETF™ - March for the period of February 27, 2026, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDTM. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDTM
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Equity Dual Directional 10 Buffer ETF™ - March
$13
0.79%
[121],[122]
Expenses Paid, Amount $ 13
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 12,768,391
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 14,008
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$12,768,391
Number of Holdings
5
Net Advisory Fee
$14,008
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $6.91
100.8%
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $610.53
22.0%
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $686.04
8.2%
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $780.04 (Short)
-3.3%
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $617.39 (Short)
-27.9%
[123]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDTM
Innovator Equity Dual Directional 10 Buffer ETF™ - May  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 10 Buffer ETF™ - May
Class Name Innovator Equity Dual Directional 10 Buffer ETF™ - May
Trading Symbol DDTY
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 10 Buffer ETF™ - May for the period of April 30, 2026, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDTY. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDTY
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Equity Dual Directional 10 Buffer ETF™ - May
$0
0.79%
[124],[125]
Expenses Paid, Amount $ 0
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 983,981
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 0
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$983,981
Number of Holdings
5
Net Advisory Fee
$0
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Vanguard S&P 500 ETF
98.5%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $587.92
32.2%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $660.55
11.6%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $757.04 (Short)
-1.9%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $594.52 (Short)
-40.8%
[126]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDTY
Innovator Equity Dual Directional 10 Buffer ETF™ - November  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 10 Buffer ETF™ - November
Class Name Innovator Equity Dual Directional 10 Buffer ETF™ - November
Trading Symbol DDTN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 10 Buffer ETF™ - November for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDTN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDTN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Dual Directional 10 Buffer ETF™ - November
$40
0.79%
[127]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 47,239,687
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 166,523
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$47,239,687
Number of Holdings
5
Net Advisory Fee
$166,523
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $6.86
99.3%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $607.03
12.6%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $682.10
5.5%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $776.53 (Short)
-1.6%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $613.85 (Short)
-16.3%
[128]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDTN
Innovator Equity Dual Directional 10 Buffer ETF™ - October  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 10 Buffer ETF™ - October
Class Name Innovator Equity Dual Directional 10 Buffer ETF™ - October
Trading Symbol DDTO
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 10 Buffer ETF™ - October for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDTO. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDTO
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Dual Directional 10 Buffer ETF™ - October
$40
0.79%
[129]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 30,835,975
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 131,469
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$30,835,975
Number of Holdings
5
Net Advisory Fee
$131,469
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $6.72
100.6%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $592.90
8.9%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $666.23
4.0%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $749.72 (Short)
-2.5%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $599.56 (Short)
-11.4%
[130]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDTO
Innovator Equity Dual Directional 10 Buffer ETF™ - September  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 10 Buffer ETF™ - September
Class Name Innovator Equity Dual Directional 10 Buffer ETF™ - September
Trading Symbol DDTS
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 10 Buffer ETF™ - September for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDTS. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDTS
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Dual Directional 10 Buffer ETF™ - September
$40
0.79%
[131]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 22,630,755
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 87,057
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$22,630,755
Number of Holdings
5
Net Advisory Fee
$87,057
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $6.49
102.3%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $574.09
5.4%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $645.09
2.5%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $726.71 (Short)
-3.7%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $580.55 (Short)
-7.0%
[132]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDTS
Innovator Equity Dual Directional 15 Buffer ETF™ - April  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 15 Buffer ETF™ - April
Class Name Innovator Equity Dual Directional 15 Buffer ETF™ - April
Trading Symbol DDFA
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 15 Buffer ETF™ - April for the period of March 31, 2026, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDFA. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDFA
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Equity Dual Directional 15 Buffer ETF™ - April
$6
0.76%
[133],[134]
Expenses Paid, Amount $ 6
Expense Ratio, Percent 0.76%
Material Change Date Jun. 17, 2026
Net Assets $ 99,663,815
Holdings Count | $ / shares 7
Advisory Fees Paid, Amount $ 44,641
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$99,663,815
Number of Holdings
7
Net Advisory Fee
$44,641
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Vanguard S&P 500 ETF
104.2%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $501.94
23.8%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $597.52
6.9%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $621.43
0.3%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $621.43 (Short)
0.0%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $677.38 (Short)
-7.1%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $507.92 (Short)
-28.4%
[135]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDFA
Innovator Equity Dual Directional 15 Buffer ETF™ - December  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 15 Buffer ETF™ - December
Class Name Innovator Equity Dual Directional 15 Buffer ETF™ - December
Trading Symbol DDFD
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 15 Buffer ETF™ - December for the period of November 28, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDFD. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDFD
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Equity Dual Directional 15 Buffer ETF™ - December
$33
0.79%
[136],[137]
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 118,435,667
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 326,740
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$118,435,667
Number of Holdings
5
Net Advisory Fee
$326,740
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $6.89
100.6%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $574.05
16.7%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $683.44
6.3%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $749.00 (Short)
-3.8%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $580.90 (Short)
-20.1%
[138]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDFD
Innovator Equity Dual Directional 15 Buffer ETF™ - February  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 15 Buffer ETF™ - February
Class Name Innovator Equity Dual Directional 15 Buffer ETF™ - February
Trading Symbol DDFF
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 15 Buffer ETF™ - February for the period of January 30, 2026, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDFF. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDFF
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Equity Dual Directional 15 Buffer ETF™ - February
$19
0.79%
[139],[140]
Expenses Paid, Amount $ 19
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 69,750,581
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 106,525
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$69,750,581
Number of Holdings
5
Net Advisory Fee
$106,525
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $6.99
100.5%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $581.25
23.4%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $692.04
8.1%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $756.74 (Short)
-4.3%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $588.24 (Short)
-28.2%
[141]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDFF
Innovator Equity Dual Directional 15 Buffer ETF™ - January  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 15 Buffer ETF™ - January
Class Name Innovator Equity Dual Directional 15 Buffer ETF™ - January
Trading Symbol DDFJ
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 15 Buffer ETF™ - January for the period of December 31, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDFJ. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDFJ
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Equity Dual Directional 15 Buffer ETF™ - January
$26
0.79%
[142],[143]
Expenses Paid, Amount $ 26
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 77,874,403
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 240,356
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$77,874,403
Number of Holdings
5
Net Advisory Fee
$240,356
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $6.89
101.4%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $572.81
19.5%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $681.95
7.0%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $743.09 (Short)
-4.8%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $579.66 (Short)
-23.5%
[144]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDFJ
Innovator Equity Dual Directional 15 Buffer ETF™ - July  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 15 Buffer ETF™ - July
Class Name Innovator Equity Dual Directional 15 Buffer ETF™ - July
Trading Symbol DDFL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 15 Buffer ETF™ - July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDFL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDFL
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Dual Directional 15 Buffer ETF™ - July
$40
0.79%
[145]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 71,879,014
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 301,221
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$71,879,014
Number of Holdings
5
Net Advisory Fee
$301,221
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $6.24
107.7%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $518.99
1.4%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $617.87
0.7%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $525.20 (Short)
-1.8%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $672.22 (Short)
-8.3%
[146]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDFL
Innovator Equity Dual Directional 15 Buffer ETF™ - March  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 15 Buffer ETF™ - March
Class Name Innovator Equity Dual Directional 15 Buffer ETF™ - March
Trading Symbol DDFM
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 15 Buffer ETF™ - March for the period of February 27, 2026, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDFM. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDFM
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Equity Dual Directional 15 Buffer ETF™ - March
$13
0.79%
[147],[148]
Expenses Paid, Amount $ 13
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 45,766,423
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 46,844
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$45,766,423
Number of Holdings
5
Net Advisory Fee
$46,844
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $6.93
101.5%
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $576.23
25.0%
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $686.06
8.2%
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $753.08 (Short)
-5.2%
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $583.16 (Short)
-29.9%
[149]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDFM
Innovator Equity Dual Directional 15 Buffer ETF™ - May  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 15 Buffer ETF™ - May
Class Name Innovator Equity Dual Directional 15 Buffer ETF™ - May
Trading Symbol DDFY
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 15 Buffer ETF™ - May for the period of April 30, 2026, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDFY. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDFY
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Equity Dual Directional 15 Buffer ETF™ - May
$0
0.79%
[150],[151]
Expenses Paid, Amount $ 0
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 983,982
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 0
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$983,982
Number of Holdings
5
Net Advisory Fee
$0
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Vanguard S&P 500 ETF
98.6%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $554.89
36.7%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $660.56
11.5%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $729.90 (Short)
-3.3%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $561.49 (Short)
-43.9%
[152]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDFY
Innovator Equity Dual Directional 15 Buffer ETF™ - November  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 15 Buffer ETF™ - November
Class Name Innovator Equity Dual Directional 15 Buffer ETF™ - November
Trading Symbol DDFN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 15 Buffer ETF™ - November for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDFN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDFN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Dual Directional 15 Buffer ETF™ - November
$40
0.79%
[153]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 110,116,276
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 356,076
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$110,116,276
Number of Holdings
5
Net Advisory Fee
$356,076
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $6.88
100.1%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $572.93
13.6%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $682.11
5.5%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $750.27 (Short)
-3.1%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $579.76 (Short)
-16.4%
[154]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDFN
Innovator Equity Dual Directional 15 Buffer ETF™ - October  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 15 Buffer ETF™ - October
Class Name Innovator Equity Dual Directional 15 Buffer ETF™ - October
Trading Symbol DDFO
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 15 Buffer ETF™ - October for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDFO. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDFO
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Dual Directional 15 Buffer ETF™ - October
$40
0.79%
[155]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 99,159,388
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 482,411
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$99,159,388
Number of Holdings
5
Net Advisory Fee
$482,411
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $6.73
101.9%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $559.59
9.5%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $666.21
4.1%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $726.34 (Short)
-4.3%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $566.28 (Short)
-11.6%
[156]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDFO
Innovator Equity Dual Directional 15 Buffer ETF™ - September  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 15 Buffer ETF™ - September
Class Name Innovator Equity Dual Directional 15 Buffer ETF™ - September
Trading Symbol DDFS
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 15 Buffer ETF™ - September for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDFS. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDFS
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Equity Dual Directional 15 Buffer ETF™ - September
$40
0.79%
[157]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 52,624,700
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 209,764
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$52,624,700
Number of Holdings
5
Net Advisory Fee
$209,764
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $6.50
104.2%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $541.84
6.0%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $645.10
2.5%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $705.10 (Short)
-5.9%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $548.31 (Short)
-7.1%
[158]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Innovator Equity Dual Directional 5 Buffer ETF™ - Quarterly  
Shareholder Report [Line Items]  
Fund Name Innovator Equity Dual Directional 5 Buffer ETF™ - Quarterly
Class Name Innovator Equity Dual Directional 5 Buffer ETF™ - Quarterly
Trading Symbol DDSQ
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Equity Dual Directional 5 Buffer ETF™ - Quarterly for the period of December 31, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDSQ. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDSQ
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Equity Dual Directional 5 Buffer ETF™ - Quarterly
$27
0.79%
[159],[160]
Expenses Paid, Amount $ 27
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 53,936,909
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 79,396
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$53,936,909
Number of Holdings
5
Net Advisory Fee
$79,396
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $1.64
105.9%
State Street SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $611.32
1.5%
State Street SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $650.35
1.2%
State Street SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $617.82 (Short)
-2.3%
State Street SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $686.76 (Short)
-6.3%
[161]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDSQ
Innovator Growth Accelerated ETF®-Quarterly  
Shareholder Report [Line Items]  
Fund Name Innovator Growth Accelerated ETF®-Quarterly
Class Name Innovator Growth Accelerated ETF®-Quarterly
Trading Symbol XDQQ
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth Accelerated ETF®-Quarterly for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=XDQQ. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=XDQQ
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator Growth Accelerated ETF®-Quarterly
$40
0.79%
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 53,978,917
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 238,273
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$53,978,917
Number of Holdings
3
Net Advisory Fee
$238,273
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $1.44
106.9%
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $577.18
15.5%
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $606.67 (Short)
-22.5%
[162]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=XDQQ
Innovator Growth Accelerated Plus ETF® - April  
Shareholder Report [Line Items]  
Fund Name Innovator Growth Accelerated Plus ETF® - April
Class Name Innovator Growth Accelerated Plus ETF® - April
Trading Symbol QTAP
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth Accelerated Plus ETF® - April for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=QTAP. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=QTAP
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Growth Accelerated Plus ETF® - April
$42
0.79%
[163]
Expenses Paid, Amount $ 42
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 16,191,735
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 83,744
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$16,191,735
Number of Holdings
3
Net Advisory Fee
$83,744
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 03/31/2027; Exercise Price: $5.78
105.5%
Invesco QQQ Trust Series 1, Expiration: 03/31/2027; Exercise Price: $577.18
42.2%
Invesco QQQ Trust Series 1, Expiration: 03/31/2027; Exercise Price: $621.05 (Short)
-47.8%
[164]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=QTAP
Innovator Growth Accelerated Plus ETF® - January  
Shareholder Report [Line Items]  
Fund Name Innovator Growth Accelerated Plus ETF® - January
Class Name Innovator Growth Accelerated Plus ETF® - January
Trading Symbol QTJA
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth Accelerated Plus ETF® - January for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=QTJA. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=QTJA
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Growth Accelerated Plus ETF® - January
$41
0.79%
[165]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 16,662,409
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 71,631
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$16,662,409
Number of Holdings
3
Net Advisory Fee
$71,631
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 12/31/2026; Exercise Price: $6.16
101.3%
Invesco QQQ Trust Series 1, Expiration: 12/31/2026; Exercise Price: $614.31
28.6%
Invesco QQQ Trust Series 1, Expiration: 12/31/2026; Exercise Price: $653.99 (Short)
-30.2%
[166]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=QTJA
Innovator Growth Accelerated Plus ETF® - July  
Shareholder Report [Line Items]  
Fund Name Innovator Growth Accelerated Plus ETF® - July
Class Name Innovator Growth Accelerated Plus ETF® - July
Trading Symbol QTJL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth Accelerated Plus ETF® - July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=QTJL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=QTJL
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Growth Accelerated Plus ETF® - July
$41
0.79%
[167]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 27,023,560
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 99,279
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$27,023,560
Number of Holdings
3
Net Advisory Fee
$99,279
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $5.53
103.3%
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $551.64
37.8%
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $586.61 (Short)
-41.3%
[168]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=QTJL
Innovator Growth Accelerated Plus ETF®-October  
Shareholder Report [Line Items]  
Fund Name Innovator Growth Accelerated Plus ETF®-October
Class Name Innovator Growth Accelerated Plus ETF®-October
Trading Symbol QTOC
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth Accelerated Plus ETF®-October for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=QTOC. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=QTOC
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Growth Accelerated Plus ETF®-October
$41
0.79%
[169]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 15,546,403
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 62,157
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$15,546,403
Number of Holdings
3
Net Advisory Fee
$62,157
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 09/30/2026; Exercise Price: $6.02
100.2%
Invesco QQQ Trust Series 1, Expiration: 09/30/2026; Exercise Price: $600.37
27.5%
Invesco QQQ Trust Series 1, Expiration: 09/30/2026; Exercise Price: $638.13 (Short)
-28.0%
[170]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=QTOC
Innovator Growth-100 Dual Directional 5 Buffer ETF™ - Quarterly  
Shareholder Report [Line Items]  
Fund Name Innovator Growth-100 Dual Directional 5 Buffer ETF™ - Quarterly
Class Name Innovator Growth-100 Dual Directional 5 Buffer ETF™ - Quarterly
Trading Symbol DDNQ
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth-100 Dual Directional 5 Buffer ETF™ - Quarterly for the period of December 31, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=DDNQ. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=DDNQ
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator Growth-100 Dual Directional 5 Buffer ETF™ - Quarterly
$26
0.79%
[171],[172]
Expenses Paid, Amount $ 26
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 24,511,076
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 49,513
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$24,511,076
Number of Holdings
5
Net Advisory Fee
$49,513
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $1.43
109.6%
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $542.55
1.6%
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $577.17
1.1%
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $548.31 (Short)
-2.4%
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $617.12 (Short)
-10.0%
[173]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=DDNQ
Innovator Growth-100 Power Buffer ETF™ - April  
Shareholder Report [Line Items]  
Fund Name Innovator Growth-100 Power Buffer ETF™ - April
Class Name Innovator Growth-100 Power Buffer ETF™ - April
Trading Symbol NAPR
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth-100 Power Buffer ETF™ - April for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=NAPR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=NAPR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Growth-100 Power Buffer ETF™ - April
$41
0.79%
[174]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 216,121,041
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 769,676
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$216,121,041
Number of Holdings
4
Net Advisory Fee
$769,676
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 03/31/2027; Exercise Price: $5.77
108.3%
Invesco QQQ Trust Series 1, Expiration: 03/31/2027; Exercise Price: $577.18
3.8%
Invesco QQQ Trust Series 1, Expiration: 03/31/2027; Exercise Price: $490.60 (Short)
-1.8%
Invesco QQQ Trust Series 1, Expiration: 03/31/2027; Exercise Price: $676.63 (Short)
-10.5%
[175]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=NAPR
Innovator Growth-100 Power Buffer ETF™ - August  
Shareholder Report [Line Items]  
Fund Name Innovator Growth-100 Power Buffer ETF™ - August
Class Name Innovator Growth-100 Power Buffer ETF™ - August
Trading Symbol NAUG
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth-100 Power Buffer ETF™ - August for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=NAUG. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=NAUG
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Growth-100 Power Buffer ETF™ - August
$40
0.79%
[176]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 80,361,147
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 312,100
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$80,361,147
Number of Holdings
4
Net Advisory Fee
$312,100
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 07/31/2026; Exercise Price: $5.65
106.2%
Invesco QQQ Trust Series 1, Expiration: 07/31/2026; Exercise Price: $565.01
0.8%
Invesco QQQ Trust Series 1, Expiration: 07/31/2026; Exercise Price: $480.26 (Short)
-0.3%
Invesco QQQ Trust Series 1, Expiration: 07/31/2026; Exercise Price: $648.35 (Short)
-6.9%
[177]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=NAUG
Innovator Growth-100 Power Buffer ETF™ - December  
Shareholder Report [Line Items]  
Fund Name Innovator Growth-100 Power Buffer ETF™ - December
Class Name Innovator Growth-100 Power Buffer ETF™ - December
Trading Symbol NDEC
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth-100 Power Buffer ETF™ - December for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=NDEC. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=NDEC
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Growth-100 Power Buffer ETF™ - December
$40
0.79%
[178]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 79,937,565
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 250,417
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$79,937,565
Number of Holdings
4
Net Advisory Fee
$250,417
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 11/30/2026; Exercise Price: $6.19
101.9%
Invesco QQQ Trust Series 1, Expiration: 11/30/2026; Exercise Price: $619.25
3.7%
Invesco QQQ Trust Series 1, Expiration: 11/30/2026; Exercise Price: $526.36 (Short)
-1.5%
Invesco QQQ Trust Series 1, Expiration: 11/30/2026; Exercise Price: $714.61 (Short)
-4.3%
[179]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=NDEC
Innovator Growth-100 Power Buffer ETF™ - February  
Shareholder Report [Line Items]  
Fund Name Innovator Growth-100 Power Buffer ETF™ - February
Class Name Innovator Growth-100 Power Buffer ETF™ - February
Trading Symbol NFEB
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth-100 Power Buffer ETF™ - February for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=NFEB. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=NFEB
Expenses [Text Block]
WHAT WERE THE FUND 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 investment325490
Innovator Growth-100 Power Buffer ETF™ - February
$41
0.79%
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 83,204,803
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 209,657
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$83,204,803
Number of Holdings
4
Net Advisory Fee
$209,657
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 01/29/2027; Exercise Price: $6.22
102.8%
Invesco QQQ Trust Series 1, Expiration: 01/29/2027; Exercise Price: $621.87
4.5%
Invesco QQQ Trust Series 1, Expiration: 01/29/2027; Exercise Price: $528.59 (Short)
-2.0%
Invesco QQQ Trust Series 1, Expiration: 01/29/2027; Exercise Price: $715.83 (Short)
-5.6%
[180]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=NFEB
Innovator Growth-100 Power Buffer ETF™ - January  
Shareholder Report [Line Items]  
Fund Name Innovator Growth-100 Power Buffer ETF™ - January
Class Name Innovator Growth-100 Power Buffer ETF™ - January
Trading Symbol NJAN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth-100 Power Buffer ETF™ - January for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=NJAN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=NJAN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Growth-100 Power Buffer ETF™ - January
$40
0.79%
[181]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 371,113,855
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 1,289,448
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$371,113,855
Number of Holdings
4
Net Advisory Fee
$1,289,448
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 12/31/2026; Exercise Price: $6.14
103.3%
Invesco QQQ Trust Series 1, Expiration: 12/31/2026; Exercise Price: $614.31
3.9%
Invesco QQQ Trust Series 1, Expiration: 12/31/2026; Exercise Price: $522.16 (Short)
-1.7%
Invesco QQQ Trust Series 1, Expiration: 12/31/2026; Exercise Price: $704.31 (Short)
-5.8%
[182]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=NJAN
Innovator Growth-100 Power Buffer ETF™ - July  
Shareholder Report [Line Items]  
Fund Name Innovator Growth-100 Power Buffer ETF™ - July
Class Name Innovator Growth-100 Power Buffer ETF™ - July
Trading Symbol NJUL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth-100 Power Buffer ETF™ - July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=NJUL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=NJUL
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Growth-100 Power Buffer ETF™ - July
$40
0.79%
[183]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 212,733,988
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 882,360
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$212,733,988
Number of Holdings
4
Net Advisory Fee
$882,360
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $5.52
107.3%
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $551.64
0.4%
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $468.89 (Short)
-0.1%
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $632.23 (Short)
-7.9%
[184]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=NJUL
Innovator Growth-100 Power Buffer ETF™ - June  
Shareholder Report [Line Items]  
Fund Name Innovator Growth-100 Power Buffer ETF™ - June
Class Name Innovator Growth-100 Power Buffer ETF™ - June
Trading Symbol NJUN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth-100 Power Buffer ETF™ - June for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=NJUN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=NJUN
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator Growth-100 Power Buffer ETF™ - June
$40
0.79%
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 56,426,456
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 256,717
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$56,426,456
Number of Holdings
4
Net Advisory Fee
$256,717
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 05/29/2026; Exercise Price: $5.19
112.0%
Invesco QQQ Trust Series 1, Expiration: 05/29/2026; Exercise Price: $519.11
0.0%
Invesco QQQ Trust Series 1, Expiration: 05/29/2026; Exercise Price: $441.24 (Short)
0.0%
Invesco QQQ Trust Series 1, Expiration: 05/29/2026; Exercise Price: $598.95 (Short)
-12.3%
[185]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=NJUN
Innovator Growth-100 Power Buffer ETF™ - March  
Shareholder Report [Line Items]  
Fund Name Innovator Growth-100 Power Buffer ETF™ - March
Class Name Innovator Growth-100 Power Buffer ETF™ - March
Trading Symbol NMAR
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth-100 Power Buffer ETF™ - March for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=NMAR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=NMAR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Growth-100 Power Buffer ETF™ - March
$41
0.79%
[186]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 93,321,484
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 155,204
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$93,321,484
Number of Holdings
4
Net Advisory Fee
$155,204
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 02/26/2027; Exercise Price: $6.07
104.6%
Invesco QQQ Trust Series 1, Expiration: 02/26/2027; Exercise Price: $607.29
4.3%
Invesco QQQ Trust Series 1, Expiration: 02/26/2027; Exercise Price: $516.20 (Short)
-2.0%
Invesco QQQ Trust Series 1, Expiration: 02/26/2027; Exercise Price: $703.73 (Short)
-7.2%
[187]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=NMAR
Innovator Growth-100 Power Buffer ETF™ - May  
Shareholder Report [Line Items]  
Fund Name Innovator Growth-100 Power Buffer ETF™ - May
Class Name Innovator Growth-100 Power Buffer ETF™ - May
Trading Symbol NMAY
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth-100 Power Buffer ETF™ - May for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=NMAY. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=NMAY
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Growth-100 Power Buffer ETF™ - May
$40
0.79%
[188]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 13,551,059
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 57,755
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$13,551,059
Number of Holdings
4
Net Advisory Fee
$57,755
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 04/30/2027; Exercise Price: $6.68
99.2%
Invesco QQQ Trust Series 1, Expiration: 04/30/2027; Exercise Price: $667.74
7.5%
Invesco QQQ Trust Series 1, Expiration: 04/30/2027; Exercise Price: $567.58 (Short)
-3.4%
Invesco QQQ Trust Series 1, Expiration: 04/30/2027; Exercise Price: $776.11 (Short)
-3.8%
[189]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=NMAY
Innovator Growth-100 Power Buffer ETF™ - November  
Shareholder Report [Line Items]  
Fund Name Innovator Growth-100 Power Buffer ETF™ - November
Class Name Innovator Growth-100 Power Buffer ETF™ - November
Trading Symbol NNOV
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth-100 Power Buffer ETF™ - November for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=NNOV. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=NNOV
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Growth-100 Power Buffer ETF™ - November
$40
0.79%
[190]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 111,109,484
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 398,230
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$111,109,484
Number of Holdings
4
Net Advisory Fee
$398,230
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 10/30/2026; Exercise Price: $6.29
100.2%
Invesco QQQ Trust Series 1, Expiration: 10/30/2026; Exercise Price: $629.07
3.6%
Invesco QQQ Trust Series 1, Expiration: 10/30/2026; Exercise Price: $534.71 (Short)
-1.3%
Invesco QQQ Trust Series 1, Expiration: 10/30/2026; Exercise Price: $729.22 (Short)
-2.7%
[191]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=NNOV
Innovator Growth-100 Power Buffer ETF™ - October  
Shareholder Report [Line Items]  
Fund Name Innovator Growth-100 Power Buffer ETF™ - October
Class Name Innovator Growth-100 Power Buffer ETF™ - October
Trading Symbol NOCT
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth-100 Power Buffer ETF™ - October for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=NOCT. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=NOCT
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Growth-100 Power Buffer ETF™ - October
$40
0.79%
[192]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 236,953,390
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 994,548
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$236,953,390
Number of Holdings
4
Net Advisory Fee
$994,548
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 09/30/2026; Exercise Price: $6.00
103.2%
Invesco QQQ Trust Series 1, Expiration: 09/30/2026; Exercise Price: $600.37
2.3%
Invesco QQQ Trust Series 1, Expiration: 09/30/2026; Exercise Price: $510.31 (Short)
-0.8%
Invesco QQQ Trust Series 1, Expiration: 09/30/2026; Exercise Price: $685.98 (Short)
-4.9%
[193]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=NOCT
Innovator Growth-100 Power Buffer ETF™ - September  
Shareholder Report [Line Items]  
Fund Name Innovator Growth-100 Power Buffer ETF™ - September
Class Name Innovator Growth-100 Power Buffer ETF™ - September
Trading Symbol NSEP
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Growth-100 Power Buffer ETF™ - September for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=NSEP. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=NSEP
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Growth-100 Power Buffer ETF™ - September
$40
0.79%
[194]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 38,940,502
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 175,028
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$38,940,502
Number of Holdings
4
Net Advisory Fee
$175,028
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 08/31/2026; Exercise Price: $5.70
106.6%
Invesco QQQ Trust Series 1, Expiration: 08/31/2026; Exercise Price: $570.40
1.3%
Invesco QQQ Trust Series 1, Expiration: 08/31/2026; Exercise Price: $484.84 (Short)
-0.4%
Invesco QQQ Trust Series 1, Expiration: 08/31/2026; Exercise Price: $649.80 (Short)
-7.8%
[195]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=NSEP
Innovator International Developed 10 Buffer ETF™ - Quarterly  
Shareholder Report [Line Items]  
Fund Name Innovator International Developed 10 Buffer ETF™ - Quarterly
Class Name Innovator International Developed 10 Buffer ETF™ - Quarterly
Trading Symbol IBUF
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator International Developed 10 Buffer ETF™ - Quarterly for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=IBUF. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=IBUF
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator International Developed 10 Buffer ETF™ - Quarterly
$43
0.85%
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.85%
Material Change Date Jun. 17, 2026
Net Assets $ 104,029,716
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 369,903
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$104,029,716
Number of Holdings
4
Net Advisory Fee
$369,903
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI EAFE ETF, Expiration: 06/30/2026; Exercise Price: $0.24
100.5%
iShares MSCI EAFE ETF, Expiration: 06/30/2026; Exercise Price: $97.13
1.6%
iShares MSCI EAFE ETF, Expiration: 06/30/2026; Exercise Price: $87.42 (Short)
-0.4%
iShares MSCI EAFE ETF, Expiration: 06/30/2026; Exercise Price: $104.12 (Short)
-1.7%
[196]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=IBUF
Innovator International Developed Power Buffer ETF™ - April  
Shareholder Report [Line Items]  
Fund Name Innovator International Developed Power Buffer ETF™ - April
Class Name Innovator International Developed Power Buffer ETF™ - April
Trading Symbol IAPR
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator International Developed Power Buffer ETF™ - April for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=IAPR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=IAPR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator International Developed Power Buffer ETF™ - April
$44
0.85%
[197]
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.85%
Material Change Date Jun. 17, 2026
Net Assets $ 205,133,410
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 923,828
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$205,133,410
Number of Holdings
4
Net Advisory Fee
$923,828
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI EAFE ETF, Expiration: 03/31/2027; Exercise Price: $0.97
100.0%
iShares MSCI EAFE ETF, Expiration: 03/31/2027; Exercise Price: $97.13
4.8%
iShares MSCI EAFE ETF, Expiration: 03/31/2027; Exercise Price: $82.56 (Short)
-2.2%
iShares MSCI EAFE ETF, Expiration: 03/31/2027; Exercise Price: $113.64 (Short)
-2.7%
[198]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=IAPR
Innovator International Developed Power Buffer ETF™ - August  
Shareholder Report [Line Items]  
Fund Name Innovator International Developed Power Buffer ETF™ - August
Class Name Innovator International Developed Power Buffer ETF™ - August
Trading Symbol IAUG
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator International Developed Power Buffer ETF™ - August for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=IAUG. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=IAUG
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator International Developed Power Buffer ETF™ - August
$43
0.85%
[199]
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.85%
Material Change Date Jun. 17, 2026
Net Assets $ 45,711,736
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 293,061
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$45,711,736
Number of Holdings
4
Net Advisory Fee
$293,061
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI EAFE ETF, Expiration: 07/31/2026; Exercise Price: $0.88
104.0%
iShares MSCI EAFE ETF, Expiration: 07/31/2026; Exercise Price: $87.52
0.9%
iShares MSCI EAFE ETF, Expiration: 07/31/2026; Exercise Price: $74.39 (Short)
-0.4%
iShares MSCI EAFE ETF, Expiration: 07/31/2026; Exercise Price: $99.79 (Short)
-4.7%
[200]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=IAUG
Innovator International Developed Power Buffer ETF™ - December  
Shareholder Report [Line Items]  
Fund Name Innovator International Developed Power Buffer ETF™ - December
Class Name Innovator International Developed Power Buffer ETF™ - December
Trading Symbol IDEC
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator International Developed Power Buffer ETF™ - December for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=IDEC. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=IDEC
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator International Developed Power Buffer ETF™ - December
$43
0.85%
[201]
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.85%
Material Change Date Jun. 17, 2026
Net Assets $ 44,335,006
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 174,439
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$44,335,006
Number of Holdings
4
Net Advisory Fee
$174,439
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI EAFE ETF, Expiration: 11/30/2026; Exercise Price: $0.95
99.7%
iShares MSCI EAFE ETF, Expiration: 11/30/2026; Exercise Price: $95.19
3.1%
iShares MSCI EAFE ETF, Expiration: 11/30/2026; Exercise Price: $80.91 (Short)
-1.2%
iShares MSCI EAFE ETF, Expiration: 11/30/2026; Exercise Price: $111.86 (Short)
-1.8%
[202]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=IDEC
Innovator International Developed Power Buffer ETF™ - February  
Shareholder Report [Line Items]  
Fund Name Innovator International Developed Power Buffer ETF™ - February
Class Name Innovator International Developed Power Buffer ETF™ - February
Trading Symbol IFEB
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator International Developed Power Buffer ETF™ - February for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=IFEB. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=IFEB
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator International Developed Power Buffer ETF™ - February
$43
0.85%
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.85%
Material Change Date Jun. 17, 2026
Net Assets $ 82,562,739
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 217,623
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$82,562,739
Number of Holdings
4
Net Advisory Fee
$217,623
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI EAFE ETF, Expiration: 01/29/2027; Exercise Price: $1.01
98.3%
iShares MSCI EAFE ETF, Expiration: 01/29/2027; Exercise Price: $100.74
5.3%
iShares MSCI EAFE ETF, Expiration: 01/29/2027; Exercise Price: $114.33 (Short)
-1.8%
iShares MSCI EAFE ETF, Expiration: 01/29/2027; Exercise Price: $85.63 (Short)
-2.0%
[203]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=IFEB
Innovator International Developed Power Buffer ETF™ - January  
Shareholder Report [Line Items]  
Fund Name Innovator International Developed Power Buffer ETF™ - January
Class Name Innovator International Developed Power Buffer ETF™ - January
Trading Symbol IJAN
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator International Developed Power Buffer ETF™ - January for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=IJAN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=IJAN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator International Developed Power Buffer ETF™ - January
$43
0.85%
[204]
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.85%
Material Change Date Jun. 17, 2026
Net Assets $ 263,169,430
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 902,746
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$263,169,430
Number of Holdings
4
Net Advisory Fee
$902,746
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI Emerging Markets ETF, Expiration: 12/31/2026; Exercise Price: $0.96
100.4%
iShares MSCI Emerging Markets ETF, Expiration: 12/31/2026; Exercise Price: $96.03
3.8%
iShares MSCI Emerging Markets ETF, Expiration: 12/31/2026; Exercise Price: $81.63 (Short)
-1.5%
iShares MSCI Emerging Markets ETF, Expiration: 12/31/2026; Exercise Price: $109.28 (Short)
-2.9%
[205]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=IJAN
Innovator International Developed Power Buffer ETF™ - July  
Shareholder Report [Line Items]  
Fund Name Innovator International Developed Power Buffer ETF™ - July
Class Name Innovator International Developed Power Buffer ETF™ - July
Trading Symbol IJUL
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator International Developed Power Buffer ETF™ - July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=IJUL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=IJUL
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator International Developed Power Buffer ETF™ - July
$44
0.85%
[206]
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.85%
Material Change Date Jun. 17, 2026
Net Assets $ 193,424,683
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 903,433
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$193,424,683
Number of Holdings
4
Net Advisory Fee
$903,433
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI EAFE ETF, Expiration: 06/30/2026; Exercise Price: $0.89
102.2%
iShares MSCI EAFE ETF, Expiration: 06/30/2026; Exercise Price: $89.39
0.7%
iShares MSCI EAFE ETF, Expiration: 06/30/2026; Exercise Price: $75.98 (Short)
-0.2%
iShares MSCI EAFE ETF, Expiration: 06/30/2026; Exercise Price: $101.55 (Short)
-2.9%
[207]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=IJUL
Innovator International Developed Power Buffer ETF™ - June  
Shareholder Report [Line Items]  
Fund Name Innovator International Developed Power Buffer ETF™ - June
Class Name Innovator International Developed Power Buffer ETF™ - June
Trading Symbol IJUN
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator International Developed Power Buffer ETF™ - June for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=IJUN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=IJUN
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator International Developed Power Buffer ETF™ - June
$44
0.85%
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.85%
Material Change Date Jun. 17, 2026
Net Assets $ 43,474,831
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 223,173
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$43,474,831
Number of Holdings
4
Net Advisory Fee
$223,173
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI EAFE ETF, Expiration: 05/29/2026; Exercise Price: $0.89
102.2%
iShares MSCI EAFE ETF, Expiration: 05/29/2026; Exercise Price: $88.81
0.2%
iShares MSCI EAFE ETF, Expiration: 05/29/2026; Exercise Price: $75.49 (Short)
0.0%
iShares MSCI EAFE ETF, Expiration: 05/29/2026; Exercise Price: $101.74 (Short)
-2.5%
[208]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=IJUN
Innovator International Developed Power Buffer ETF™ - March  
Shareholder Report [Line Items]  
Fund Name Innovator International Developed Power Buffer ETF™ - March
Class Name Innovator International Developed Power Buffer ETF™ - March
Trading Symbol IMAR
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator International Developed Power Buffer ETF™ - March for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=IMAR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=IMAR
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator International Developed Power Buffer ETF™ - March
$43
0.85%
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.85%
Material Change Date Jun. 17, 2026
Net Assets $ 82,594,409
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 189,532
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$82,594,409
Number of Holdings
4
Net Advisory Fee
$189,532
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI EAFE ETF, Expiration: 02/26/2027; Exercise Price: $1.05
96.4%
iShares MSCI EAFE ETF, Expiration: 02/26/2027; Exercise Price: $105.38
7.3%
iShares MSCI EAFE ETF, Expiration: 02/26/2027; Exercise Price: $119.98 (Short)
-1.1%
iShares MSCI EAFE ETF, Expiration: 02/26/2027; Exercise Price: $89.57 (Short)
-2.8%
[209]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=IMAR
Innovator International Developed Power Buffer ETF™ - May  
Shareholder Report [Line Items]  
Fund Name Innovator International Developed Power Buffer ETF™ - May
Class Name Innovator International Developed Power Buffer ETF™ - May
Trading Symbol IMAY
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator International Developed Power Buffer ETF™ - May for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=IMAY. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=IMAY
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator International Developed Power Buffer ETF™ - May
$44
0.85%
[210]
Expenses Paid, Amount $ 44
Expense Ratio, Percent 0.85%
Material Change Date Jun. 17, 2026
Net Assets $ 31,911,387
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 141,054
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$31,911,387
Number of Holdings
4
Net Advisory Fee
$141,054
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI EAFE ETF, Expiration: 04/30/2027; Exercise Price: $1.02
97.8%
iShares MSCI EAFE ETF, Expiration: 04/30/2027; Exercise Price: $102.32
6.7%
iShares MSCI EAFE ETF, Expiration: 04/30/2027; Exercise Price: $118.63 (Short)
-1.9%
iShares MSCI EAFE ETF, Expiration: 04/30/2027; Exercise Price: $86.97 (Short)
-2.7%
[211]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=IMAY
Innovator International Developed Power Buffer ETF™ - November  
Shareholder Report [Line Items]  
Fund Name Innovator International Developed Power Buffer ETF™ - November
Class Name Innovator International Developed Power Buffer ETF™ - November
Trading Symbol INOV
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator International Developed Power Buffer ETF™ - November for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=INOV. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=INOV
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator International Developed Power Buffer ETF™ - November
$43
0.85%
[212]
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.85%
Material Change Date Jun. 17, 2026
Net Assets $ 54,578,205
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 212,941
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$54,578,205
Number of Holdings
4
Net Advisory Fee
$212,941
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI EAFE ETF, Expiration: 10/30/2026; Exercise Price: $0.94
99.5%
iShares MSCI EAFE ETF, Expiration: 10/30/2026; Exercise Price: $94.49
2.5%
iShares MSCI EAFE ETF, Expiration: 10/30/2026; Exercise Price: $80.32 (Short)
-0.9%
iShares MSCI EAFE ETF, Expiration: 10/30/2026; Exercise Price: $112.32 (Short)
-1.3%
[213]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=INOV
Innovator International Developed Power Buffer ETF™ - October  
Shareholder Report [Line Items]  
Fund Name Innovator International Developed Power Buffer ETF™ - October
Class Name Innovator International Developed Power Buffer ETF™ - October
Trading Symbol IOCT
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator International Developed Power Buffer ETF™ - October for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=IOCT. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=IOCT
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator International Developed Power Buffer ETF™ - October
$43
0.85%
[214]
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.85%
Material Change Date Jun. 17, 2026
Net Assets $ 177,991,625
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 801,247
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$177,991,625
Number of Holdings
4
Net Advisory Fee
$801,247
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI EAFE ETF, Expiration: 09/30/2026; Exercise Price: $0.93
101.0%
iShares MSCI EAFE ETF, Expiration: 09/30/2026; Exercise Price: $93.37
2.0%
iShares MSCI EAFE ETF, Expiration: 09/30/2026; Exercise Price: $79.36 (Short)
-0.6%
iShares MSCI EAFE ETF, Expiration: 09/30/2026; Exercise Price: $106.34 (Short)
-2.6%
[215]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=IOCT
Innovator International Developed Power Buffer ETF™ - September  
Shareholder Report [Line Items]  
Fund Name Innovator International Developed Power Buffer ETF™ - September
Class Name Innovator International Developed Power Buffer ETF™ - September
Trading Symbol ISEP
Security Exchange Name NYSEArca
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator International Developed Power Buffer ETF™ - September for the period of November 1, 2025, to April 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.innovatoretfs.com/etf/?ticker=ISEP. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=ISEP
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator International Developed Power Buffer ETF™ - September
$43
0.85%
[216]
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.85%
Material Change Date Jun. 17, 2026
Net Assets $ 91,207,512
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 410,095
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$91,207,512
Number of Holdings
4
Net Advisory Fee
$410,095
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI EAFE ETF, Expiration: 08/31/2026; Exercise Price: $0.91
101.8%
iShares MSCI EAFE ETF, Expiration: 08/31/2026; Exercise Price: $91.48
1.4%
iShares MSCI EAFE ETF, Expiration: 08/31/2026; Exercise Price: $77.76 (Short)
-0.5%
iShares MSCI EAFE ETF, Expiration: 08/31/2026; Exercise Price: $104.10 (Short)
-2.9%
[217]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=ISEP
Innovator Nasdaq-100® 10 Buffer ETF™ - Quarterly  
Shareholder Report [Line Items]  
Fund Name Innovator Nasdaq-100® 10 Buffer ETF™ - Quarterly
Class Name Innovator Nasdaq-100® 10 Buffer ETF™ - Quarterly
Trading Symbol QBUF
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Nasdaq-100® 10 Buffer ETF™ - Quarterly for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=QBUF. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=QBUF
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator Nasdaq-100® 10 Buffer ETF™ - Quarterly
$40
0.79%
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 158,078,566
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 767,684
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$158,078,566
Number of Holdings
4
Net Advisory Fee
$767,684
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $1.45
111.0%
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $577.19
0.6%
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $519.46 (Short)
-0.2%
Invesco QQQ Trust Series 1, Expiration: 06/30/2026; Exercise Price: $608.52 (Short)
-11.4%
[218]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=QBUF
Innovator Premium Income 15 Buffer ETF™ - April  
Shareholder Report [Line Items]  
Fund Name Innovator Premium Income 15 Buffer ETF™ - April
Class Name Innovator Premium Income 15 Buffer ETF™ - April
Trading Symbol LAPR
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Premium Income 15 Buffer ETF™ - April for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=LAPR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=LAPR
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator Premium Income 15 Buffer ETF™ - April
$40
0.79%
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 6,956,088
Holdings Count | $ / shares 12
Advisory Fees Paid, Amount $ 25,911
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$6,956,088
Number of Holdings
12
Net Advisory Fee
$25,911
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
United States Treasury Bill
96.2%
United States Treasury Bill
0.6%
United States Treasury Bill
0.6%
United States Treasury Bill
0.5%
United States Treasury Bill
0.5%
United States Treasury Bill
0.5%
United States Treasury Bill
0.5%
United States Treasury Bill
0.5%
United States Treasury Bill
0.5%
United States Treasury Bill
0.5%
[219]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=LAPR
Innovator Premium Income 15 Buffer ETF™ - January  
Shareholder Report [Line Items]  
Fund Name Innovator Premium Income 15 Buffer ETF™ - January
Class Name Innovator Premium Income 15 Buffer ETF™ - January
Trading Symbol LJAN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Premium Income 15 Buffer ETF™ - January for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=LJAN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=LJAN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Premium Income 15 Buffer ETF™ - January
$40
0.79%
[220]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 12,307,940
Holdings Count | $ / shares 9
Advisory Fees Paid, Amount $ 48,175
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$12,307,940
Number of Holdings
9
Net Advisory Fee
$48,175
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
United States Treasury Bill
98.7%
United States Treasury Bill
0.4%
United States Treasury Bill
0.4%
United States Treasury Bill
0.4%
United States Treasury Bill
0.4%
United States Treasury Bill
0.4%
United States Treasury Bill
0.4%
United States Treasury Bill
0.4%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $582.51 (Short)
-1.5%
[221]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=LJAN
Innovator Premium Income 15 Buffer ETF™ - July  
Shareholder Report [Line Items]  
Fund Name Innovator Premium Income 15 Buffer ETF™ - July
Class Name Innovator Premium Income 15 Buffer ETF™ - July
Trading Symbol LJUL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Premium Income 15 Buffer ETF™ - July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=LJUL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=LJUL
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Premium Income 15 Buffer ETF™ - July
$40
0.79%
[222]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 8,968,851
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 32,297
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$8,968,851
Number of Holdings
3
Net Advisory Fee
$32,297
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
United States Treasury Bill
99.7%
United States Treasury Bill
0.4%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $525.18 (Short)
-0.1%
[223]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=LJUL
Innovator Premium Income 15 Buffer ETF™ - October  
Shareholder Report [Line Items]  
Fund Name Innovator Premium Income 15 Buffer ETF™ - October
Class Name Innovator Premium Income 15 Buffer ETF™ - October
Trading Symbol LOCT
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Premium Income 15 Buffer ETF™ - October for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=LOCT. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=LOCT
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Premium Income 15 Buffer ETF™ - October
$40
0.79%
[224]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 13,723,544
Holdings Count | $ / shares 6
Advisory Fees Paid, Amount $ 53,673
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$13,723,544
Number of Holdings
6
Net Advisory Fee
$53,673
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
United States Treasury Bill
99.0%
United States Treasury Bill
0.5%
United States Treasury Bill
0.4%
United States Treasury Bill
0.4%
United States Treasury Bill
0.4%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $566.27 (Short)
-0.7%
[225]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=LOCT
Innovator Premium Income 20 Barrier ETF® - April  
Shareholder Report [Line Items]  
Fund Name Innovator Premium Income 20 Barrier ETF® - April
Class Name Innovator Premium Income 20 Barrier ETF® - April
Trading Symbol APRH
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Premium Income 20 Barrier ETF® - April for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=APRH. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=APRH
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Premium Income 20 Barrier ETF™ - April
$40
0.79%
[226]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 23,903,825
Holdings Count | $ / shares 7
Advisory Fees Paid, Amount $ 96,919
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$23,903,825
Number of Holdings
7
Net Advisory Fee
$96,919
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
United States Treasury Bill
96.4%
S&P 500 Index, Expiration: 03/31/2027; Exercise Price: $5,157.41
23.6%
United States Treasury Bill
2.1%
United States Treasury Bill
2.0%
United States Treasury Bill
2.0%
S&P 500 Mini Index, Expiration: 03/31/2027; Exercise Price: $522.27 (Short)
-1.3%
S&P 500 Index, Expiration: 03/31/2027; Exercise Price: $5,222.70 (Short)
-24.8%
[227]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=APRH
Innovator Premium Income 20 Barrier ETF® - January  
Shareholder Report [Line Items]  
Fund Name Innovator Premium Income 20 Barrier ETF® - January
Class Name Innovator Premium Income 20 Barrier ETF® - January
Trading Symbol JANH
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Premium Income 20 Barrier ETF® - January for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=JANH. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=JANH
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Premium Income 20 Barrier ETF® - January
$40
0.79%
[228]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 19,203,335
Holdings Count | $ / shares 6
Advisory Fees Paid, Amount $ 58,223
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$19,203,335
Number of Holdings
6
Net Advisory Fee
$58,223
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
United States Treasury Bill
99.2%
S&P 500 Index, Expiration: 12/31/2026; Exercise Price: $5,435.90
20.1%
United States Treasury Bill
1.6%
United States Treasury Bill
1.5%
S&P 500 Mini Index, Expiration: 12/31/2026; Exercise Price: $550.47 (Short)
-1.1%
S&P 500 Index, Expiration: 12/31/2026; Exercise Price: $5,504.70 (Short)
-21.3%
[229]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=JANH
Innovator Premium Income 20 Barrier ETF® - July  
Shareholder Report [Line Items]  
Fund Name Innovator Premium Income 20 Barrier ETF® - July
Class Name Innovator Premium Income 20 Barrier ETF® - July
Trading Symbol JULH
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Premium Income 20 Barrier ETF® - July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=JULH. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=JULH
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Premium Income 20 Barrier ETF® - July
$40
0.79%
[230]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 16,849,769
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 71,870
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$16,849,769
Number of Holdings
4
Net Advisory Fee
$71,870
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
United States Treasury Bill
100.2%
S&P 500 Index, Expiration: 06/30/2026; Exercise Price: $4,901.91
1.5%
S&P 500 Mini Index, Expiration: 06/30/2026; Exercise Price: $496.39 (Short)
0.0%
S&P 500 Index, Expiration: 06/30/2026; Exercise Price: $4,963.96 (Short)
-1.7%
[231]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=JULH
Innovator Premium Income 20 Barrier ETF® - October  
Shareholder Report [Line Items]  
Fund Name Innovator Premium Income 20 Barrier ETF® - October
Class Name Innovator Premium Income 20 Barrier ETF® - October
Trading Symbol OCTH
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Premium Income 20 Barrier ETF® - October for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=OCTH. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=OCTH
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Premium Income 20 Barrier ETF® - October
$40
0.79%
[232]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 19,883,118
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 77,602
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$19,883,118
Number of Holdings
5
Net Advisory Fee
$77,602
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
United States Treasury Bill
99.5%
S&P 500 Index, Expiration: 09/30/2026; Exercise Price: $5,283.85
9.7%
United States Treasury Bill
1.6%
S&P 500 Mini Index, Expiration: 09/30/2026; Exercise Price: $535.07 (Short)
-0.5%
S&P 500 Index, Expiration: 09/30/2026; Exercise Price: $5,350.74 (Short)
-10.2%
[233]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=OCTH
Innovator Premium Income 30 Barrier ETF® - April  
Shareholder Report [Line Items]  
Fund Name Innovator Premium Income 30 Barrier ETF® - April
Class Name Innovator Premium Income 30 Barrier ETF® - April
Trading Symbol APRJ
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Premium Income 30 Barrier ETF® - April for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=APRJ. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=APRJ
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Premium Income 30 Barrier ETF® - April
$40
0.79%
[234]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 31,167,942
Holdings Count | $ / shares 7
Advisory Fees Paid, Amount $ 124,259
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$31,167,942
Number of Holdings
7
Net Advisory Fee
$124,259
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
United States Treasury Bill
96.8%
S&P 500 Index, Expiration: 03/31/2027; Exercise Price: $4,504.58
21.9%
United States Treasury Bill
1.7%
United States Treasury Bill
1.7%
United States Treasury Bill
1.6%
S&P 500 Mini Index, Expiration: 03/31/2027; Exercise Price: $456.99 (Short)
-0.7%
S&P 500 Index, Expiration: 03/31/2027; Exercise Price: $4,569.86 (Short)
-23.0%
[235]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=APRJ
Innovator Premium Income 30 Barrier ETF® - January  
Shareholder Report [Line Items]  
Fund Name Innovator Premium Income 30 Barrier ETF® - January
Class Name Innovator Premium Income 30 Barrier ETF® - January
Trading Symbol JANJ
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Premium Income 30 Barrier ETF® - January for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=JANJ. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=JANJ
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator Premium Income 30 Barrier ETF® - January
$40
0.79%
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 15,473,205
Holdings Count | $ / shares 6
Advisory Fees Paid, Amount $ 59,512
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$15,473,205
Number of Holdings
6
Net Advisory Fee
$59,512
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
United States Treasury Bill
99.1%
S&P 500 Index, Expiration: 12/31/2026; Exercise Price: $4,747.81
17.3%
United States Treasury Bill
1.2%
United States Treasury Bill
1.2%
S&P 500 Mini Index, Expiration: 12/31/2026; Exercise Price: $481.66 (Short)
-0.6%
S&P 500 Index, Expiration: 12/31/2026; Exercise Price: $4,816.62 (Short)
-18.2%
[236]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=JANJ
Innovator Premium Income 30 Barrier ETF® - July  
Shareholder Report [Line Items]  
Fund Name Innovator Premium Income 30 Barrier ETF® - July
Class Name Innovator Premium Income 30 Barrier ETF® - July
Trading Symbol JULJ
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Premium Income 30 Barrier ETF® - July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=JULJ. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=JULJ
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Premium Income 30 Barrier ETF® - July
$40
0.79%
[237]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 16,228,051
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 66,024
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$16,228,051
Number of Holdings
4
Net Advisory Fee
$66,024
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
United States Treasury Bill
100.2%
S&P 500 Index, Expiration: 06/30/2026; Exercise Price: $4,281.42
1.1%
S&P 500 Mini Index, Expiration: 06/30/2026; Exercise Price: $434.34 (Short)
0.0%
S&P 500 Index, Expiration: 06/30/2026; Exercise Price: $4,343.47 (Short)
-1.2%
[238]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=JULJ
Innovator Premium Income 30 Barrier ETF® - October  
Shareholder Report [Line Items]  
Fund Name Innovator Premium Income 30 Barrier ETF® - October
Class Name Innovator Premium Income 30 Barrier ETF® - October
Trading Symbol OCTJ
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Premium Income 30 Barrier ETF® - October for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=OCTJ. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=OCTJ
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Premium Income 30 Barrier ETF® - October
$40
0.79%
[239]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 19,241,728
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 74,965
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$19,241,728
Number of Holdings
5
Net Advisory Fee
$74,965
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
United States Treasury Bill
99.4%
S&P 500 Index, Expiration: 09/30/2026; Exercise Price: $4,615.01
8.4%
United States Treasury Bill
1.3%
S&P 500 Mini Index, Expiration: 09/30/2026; Exercise Price: $468.19 (Short)
-0.3%
S&P 500 Index, Expiration: 09/30/2026; Exercise Price: $4,681.89 (Short)
-8.8%
[240]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=OCTJ
Innovator U.S. Equity 10 Buffer ETF™ - Quarterly  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity 10 Buffer ETF™ - Quarterly
Class Name Innovator U.S. Equity 10 Buffer ETF™ - Quarterly
Trading Symbol ZALT
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity 10 Buffer ETF™ - Quarterly for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=ZALT. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=ZALT
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity 10 Buffer ETF™ - Quarterly
$35
0.69%
[241]
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.69%
Material Change Date Jun. 17, 2026
Net Assets $ 632,252,232
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 2,300,655
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$632,252,232
Number of Holdings
4
Net Advisory Fee
$2,300,655
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $1.61
106.9%
State Street SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $650.33
0.6%
State Street SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $585.31 (Short)
-0.2%
State Street SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $678.69 (Short)
-7.4%
[242]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=ZALT
Innovator U.S. Equity 5 to 15 Buffer ETF™ - Quarterly  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity 5 to 15 Buffer ETF™ - Quarterly
Class Name Innovator U.S. Equity 5 to 15 Buffer ETF™ - Quarterly
Trading Symbol EALT
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity 5 to 15 Buffer ETF™ - Quarterly for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=EALT. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=EALT
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity 5 to 15 Buffer ETF™ - Quarterly
$34
0.69%
[243]
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.69%
Material Change Date Jun. 17, 2026
Net Assets $ 165,436,529
Holdings Count | $ / shares 6
Advisory Fees Paid, Amount $ 566,950
Investment Company Portfolio Turnover 2.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$165,436,529
Number of Holdings
6
Net Advisory Fee
$566,950
Portfolio Turnover
2%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Vanguard S&P 500 ETF
105.2%
Vanguard S&P 500 ETF, Expiration: 06/30/2026; Exercise Price: $567.67
0.4%
Vanguard S&P 500 ETF, Expiration: 06/30/2026; Exercise Price: $603.53
0.0%
Vanguard S&P 500 ETF, Expiration: 06/30/2026; Exercise Price: $603.53 (Short)
0.0%
Vanguard S&P 500 ETF, Expiration: 06/30/2026; Exercise Price: $507.92 (Short)
-0.2%
Vanguard S&P 500 ETF, Expiration: 06/30/2026; Exercise Price: $637.11 (Short)
-5.5%
[244]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=EALT
Innovator U.S. Equity Accelerated 9 Buffer ETF™ - April  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Accelerated 9 Buffer ETF™ - April
Class Name Innovator U.S. Equity Accelerated 9 Buffer ETF™ - April
Trading Symbol XBAP
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Accelerated 9 Buffer ETF™ - April for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=XBAP. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=XBAP
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Accelerated 9 Buffer ETF™ - April
$41
0.79%
[245]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 131,639,226
Holdings Count | $ / shares 7
Advisory Fees Paid, Amount $ 528,290
Investment Company Portfolio Turnover 2.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$131,639,226
Number of Holdings
7
Net Advisory Fee
$528,290
Portfolio Turnover
2%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Vanguard S&P 500 ETF
103.8%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $597.56
16.1%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $597.56
3.4%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $621.46
0.3%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $621.46 (Short)
-0.1%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $543.77 (Short)
-2.2%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $642.55 (Short)
-21.5%
[246]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=XBAP
Innovator U.S. Equity Accelerated 9 Buffer ETF™ - January  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Accelerated 9 Buffer ETF™ - January
Class Name Innovator U.S. Equity Accelerated 9 Buffer ETF™ - January
Trading Symbol XBJA
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Accelerated 9 Buffer ETF™ - January for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=XBJA. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=XBJA
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Accelerated 9 Buffer ETF™ - January
$40
0.79%
[247]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 95,116,855
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 354,846
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$95,116,855
Number of Holdings
5
Net Advisory Fee
$354,846
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $6.79
100.7%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $681.89
10.6%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $681.89
3.5%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $620.52 (Short)
-2.0%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $722.63 (Short)
-13.0%
[248]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=XBJA
Innovator U.S. Equity Accelerated 9 Buffer ETF™ - July  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Accelerated 9 Buffer ETF™ - July
Class Name Innovator U.S. Equity Accelerated 9 Buffer ETF™ - July
Trading Symbol XBJL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Accelerated 9 Buffer ETF™ - July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=XBJL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=XBJL
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator U.S. Equity Accelerated 9 Buffer ETF™ - July
$40
0.79%
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 74,044,777
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 409,078
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$74,044,777
Number of Holdings
5
Net Advisory Fee
$409,078
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $6.15
104.9%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $617.83
15.6%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $617.83
0.3%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $562.22 (Short)
-0.2%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $654.55 (Short)
-20.9%
[249]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=XBJL
Innovator U.S. Equity Accelerated 9 Buffer ETF™ - October  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Accelerated 9 Buffer ETF™ - October
Class Name Innovator U.S. Equity Accelerated 9 Buffer ETF™ - October
Trading Symbol XBOC
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Accelerated 9 Buffer ETF™ - October for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=XBOC. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=XBOC
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Accelerated 9 Buffer ETF™ - October
$40
0.79%
[250]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 63,431,583
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 283,951
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$63,431,583
Number of Holdings
5
Net Advisory Fee
$283,951
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $6.64
100.8%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $666.15
10.6%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $666.15
2.0%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $606.20 (Short)
-1.0%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $705.15 (Short)
-12.6%
[251]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=XBOC
Innovator U.S. Equity Accelerated ETF® - Quarterly  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Accelerated ETF® - Quarterly
Class Name Innovator U.S. Equity Accelerated ETF® - Quarterly
Trading Symbol XDSQ
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Accelerated ETF® - Quarterly for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=XDSQ. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=XDSQ
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Accelerated ETF® - Quarterly
$40
0.79%
[252]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 70,576,850
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 279,776
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$70,576,850
Number of Holdings
5
Net Advisory Fee
$279,776
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Vanguard S&P 500 ETF
103.6%
Vanguard S&P 500 ETF, Expiration: 06/30/2026; Exercise Price: $597.55
10.9%
Vanguard S&P 500 ETF, Expiration: 06/30/2026; Exercise Price: $603.54
0.0%
Vanguard S&P 500 ETF, Expiration: 06/30/2026; Exercise Price: $603.54 (Short)
0.0%
Vanguard S&P 500 ETF, Expiration: 06/30/2026; Exercise Price: $623.24 (Short)
-14.5%
[253]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=XDSQ
Innovator U.S. Equity Accelerated Plus ETF® - April  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Accelerated Plus ETF® - April
Class Name Innovator U.S. Equity Accelerated Plus ETF® - April
Trading Symbol XTAP
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Accelerated Plus ETF® - April for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=XTAP. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=XTAP
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Accelerated Plus ETF® - April
$41
0.79%
[254]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 22,125,362
Holdings Count | $ / shares 5
Advisory Fees Paid, Amount $ 82,653
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$22,125,362
Number of Holdings
5
Net Advisory Fee
$82,653
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Vanguard S&P 500 ETF
101.8%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $597.57
31.5%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $621.47
0.3%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $621.47 (Short)
-0.1%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $636.39 (Short)
-33.6%
[255]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=XTAP
Innovator U.S. Equity Accelerated Plus ETF® - January  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Accelerated Plus ETF® - January
Class Name Innovator U.S. Equity Accelerated Plus ETF® - January
Trading Symbol XTJA
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Accelerated Plus ETF® - January for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=XTJA. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=XTJA
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Accelerated Plus ETF® - January
$40
0.79%
[256]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 18,172,777
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 67,122
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$18,172,777
Number of Holdings
3
Net Advisory Fee
$67,122
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $6.78
99.6%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $681.88
21.1%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $716.83 (Short)
-21.2%
[257]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=XTJA
Innovator U.S. Equity Accelerated Plus ETF® - July  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Accelerated Plus ETF® - July
Class Name Innovator U.S. Equity Accelerated Plus ETF® - July
Trading Symbol XTJL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Accelerated Plus ETF® - July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=XTJL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=XTJL
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator U.S. Equity Accelerated Plus ETF® - July
$40
0.79%
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 21,266,505
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 76,804
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$21,266,505
Number of Holdings
3
Net Advisory Fee
$76,804
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $6.14
102.3%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $617.81
30.3%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $649.05 (Short)
-32.8%
[258]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=XTJL
Innovator U.S. Equity Accelerated Plus ETF® - October  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Accelerated Plus ETF® - October
Class Name Innovator U.S. Equity Accelerated Plus ETF® - October
Trading Symbol XTOC
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Accelerated Plus ETF® - October for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=XTOC. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=XTOC
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Accelerated Plus ETF® - October
$40
0.79%
[259]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 21,045,756
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 74,494
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$21,045,756
Number of Holdings
3
Net Advisory Fee
$74,494
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $6.62
99.3%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $666.14
20.9%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $699.29 (Short)
-20.4%
[260]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=XTOC
Innovator U.S. Equity Buffer ETF™ - April  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Buffer ETF™ - April
Class Name Innovator U.S. Equity Buffer ETF™ - April
Trading Symbol BAPR
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Buffer ETF™ - April for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BAPR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BAPR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Buffer ETF™ - April
$41
0.79%
[261]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 395,854,559
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 1,369,444
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$395,854,559
Number of Holdings
4
Net Advisory Fee
$1,369,444
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 03/31/2027; Exercise Price: $6.52
102.9%
State Street SPDR S&P 500 ETF Trust, Expiration: 03/31/2027; Exercise Price: $650.35
3.4%
State Street SPDR S&P 500 ETF Trust, Expiration: 03/31/2027; Exercise Price: $591.82 (Short)
-2.1%
State Street SPDR S&P 500 ETF Trust, Expiration: 03/31/2027; Exercise Price: $770.65 (Short)
-4.4%
[262]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BAPR
Innovator U.S. Equity Buffer ETF™ - August  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Buffer ETF™ - August
Class Name Innovator U.S. Equity Buffer ETF™ - August
Trading Symbol BAUG
Security Exchange Name BOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Buffer ETF™ - August for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BAUG. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BAUG
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Buffer ETF™ - August
$40
0.79%
[263]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 192,956,109
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 791,198
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$192,956,109
Number of Holdings
4
Net Advisory Fee
$791,198
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $6.33
101.9%
SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $632.09
0.7%
SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $575.19 (Short)
-0.4%
SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $732.01 (Short)
-2.5%
[264]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BAUG
Innovator U.S. Equity Buffer ETF™ - December  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Buffer ETF™ - December
Class Name Innovator U.S. Equity Buffer ETF™ - December
Trading Symbol BDEC
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Buffer ETF™ - December for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BDEC. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BDEC
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Buffer ETF™ - December
$40
0.79%
[265]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 247,921,353
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 898,042
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$247,921,353
Number of Holdings
4
Net Advisory Fee
$898,042
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $6.85
99.5%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $683.40
3.1%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $802.46 (Short)
-1.1%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $621.88 (Short)
-1.7%
[266]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BDEC
Innovator U.S. Equity Buffer ETF™ - February  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Buffer ETF™ - February
Class Name Innovator U.S. Equity Buffer ETF™ - February
Trading Symbol BFEB
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Buffer ETF™ - February for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BFEB. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BFEB
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Buffer ETF™ - February
$41
0.79%
[267]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 235,608,713
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 740,247
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$235,608,713
Number of Holdings
4
Net Advisory Fee
$740,247
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $6.93
99.7%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $691.98
4.0%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $806.91 (Short)
-1.6%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $629.71 (Short)
-2.4%
[268]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BFEB
Innovator U.S. Equity Buffer ETF™ - January  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Buffer ETF™ - January
Class Name Innovator U.S. Equity Buffer ETF™ - January
Trading Symbol BJAN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Buffer ETF™ - January for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BJAN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BJAN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Buffer ETF™ - January
$41
0.79%
[269]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 381,041,389
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 1,297,889
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$381,041,389
Number of Holdings
4
Net Advisory Fee
$1,297,889
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $6.83
100.0%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $681.93
3.5%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $794.23 (Short)
-1.7%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $620.56 (Short)
-2.0%
[270]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BJAN
Innovator U.S. Equity Buffer ETF™ - July  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Buffer ETF™ - July
Class Name Innovator U.S. Equity Buffer ETF™ - July
Trading Symbol BJUL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Buffer ETF™ - July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BJUL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BJUL
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Buffer ETF™ - July
$40
0.79%
[271]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 284,496,618
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 1,069,814
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$284,496,618
Number of Holdings
4
Net Advisory Fee
$1,069,814
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $6.19
102.5%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $617.86
0.3%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $562.26 (Short)
-0.1%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $716.77 (Short)
-2.9%
[272]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BJUL
Innovator U.S. Equity Buffer ETF™ - June  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Buffer ETF™ - June
Class Name Innovator U.S. Equity Buffer ETF™ - June
Trading Symbol BJUN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Buffer ETF™ - June for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BJUN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BJUN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Buffer ETF™ - June
$40
0.79%
[273]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 139,552,152
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 538,126
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$139,552,152
Number of Holdings
4
Net Advisory Fee
$538,126
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 05/29/2026; Exercise Price: $5.91
105.5%
SPDR S&P 500 ETF Trust, Expiration: 05/29/2026; Exercise Price: $589.40
0.1%
SPDR S&P 500 ETF Trust, Expiration: 05/29/2026; Exercise Price: $536.34 (Short)
0.0%
SPDR S&P 500 ETF Trust, Expiration: 05/29/2026; Exercise Price: $685.28 (Short)
-5.8%
[274]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BJUN
Innovator U.S. Equity Buffer ETF™ - March  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Buffer ETF™ - March
Class Name Innovator U.S. Equity Buffer ETF™ - March
Trading Symbol BMAR
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Buffer ETF™ - March for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BMAR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BMAR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Buffer ETF™ - March
$41
0.79%
[275]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 227,345,690
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 708,214
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$227,345,690
Number of Holdings
4
Net Advisory Fee
$708,214
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $6.87
100.3%
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $686.00
4.1%
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $802.47 (Short)
-2.1%
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $624.26 (Short)
-2.5%
[276]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BMAR
Innovator U.S. Equity Buffer ETF™ - May  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Buffer ETF™ - May
Class Name Innovator U.S. Equity Buffer ETF™ - May
Trading Symbol BMAY
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Buffer ETF™ - May for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BMAY. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BMAY
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Buffer ETF™ - May
$40
0.79%
[277]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 149,936,794
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 586,620
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$149,936,794
Number of Holdings
4
Net Advisory Fee
$586,620
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $7.20
98.9%
State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $718.67
5.9%
State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $840.40 (Short)
-1.4%
State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $653.99 (Short)
-3.6%
[278]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BMAY
Innovator U.S. Equity Buffer ETF™ - November  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Buffer ETF™ - November
Class Name Innovator U.S. Equity Buffer ETF™ - November
Trading Symbol BNOV
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Buffer ETF™ - November for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BNOV. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BNOV
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Buffer ETF™ - November
$40
0.79%
[279]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 232,936,108
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 842,877
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$232,936,108
Number of Holdings
4
Net Advisory Fee
$842,877
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $6.83
99.3%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $682.07
2.7%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $802.17 (Short)
-0.8%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $620.67 (Short)
-1.4%
[280]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BNOV
Innovator U.S. Equity Buffer ETF™ - October  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Buffer ETF™ - October
Class Name Innovator U.S. Equity Buffer ETF™ - October
Trading Symbol BOCT
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Buffer ETF™ - October for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BOCT. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BOCT
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Buffer ETF™ - October
$40
0.79%
[281]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Net Assets $ 289,745,059
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 1,200,496
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$289,745,059
Number of Holdings
4
Net Advisory Fee
$1,200,496
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $6.68
100.2%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $666.19
2.0%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $606.24 (Short)
-1.0%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $768.64 (Short)
-1.5%
[282]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BOCT
Innovator U.S. Equity Buffer ETF™ - September  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Buffer ETF™ - September
Class Name Innovator U.S. Equity Buffer ETF™ - September
Trading Symbol BSEP
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Buffer ETF™ - September for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=BSEP. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=BSEP
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Buffer ETF™ - September
$40
0.79%
[283]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 211,769,864
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 895,600
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$211,769,864
Number of Holdings
4
Net Advisory Fee
$895,600
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $6.46
101.5%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $645.06
1.2%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $587.00 (Short)
-0.6%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $744.13 (Short)
-2.4%
[284]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=BSEP
Innovator U.S. Equity Power Buffer ETF™ - April  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Power Buffer ETF™ - April
Class Name Innovator U.S. Equity Power Buffer ETF™ - April
Trading Symbol PAPR
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Power Buffer ETF™ - April for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=PAPR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=PAPR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Power Buffer ETF™ - April
$41
0.79%
[285]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 939,984,535
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 3,114,556
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$939,984,535
Number of Holdings
4
Net Advisory Fee
$3,114,556
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 03/31/2027; Exercise Price: $6.50
104.7%
State Street SPDR S&P 500 ETF Trust, Expiration: 03/31/2027; Exercise Price: $650.34
3.5%
State Street SPDR S&P 500 ETF Trust, Expiration: 03/31/2027; Exercise Price: $552.79 (Short)
-1.6%
State Street SPDR S&P 500 ETF Trust, Expiration: 03/31/2027; Exercise Price: $741.32 (Short)
-6.8%
[286]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=PAPR
Innovator U.S. Equity Power Buffer ETF™ - August  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Power Buffer ETF™ - August
Class Name Innovator U.S. Equity Power Buffer ETF™ - August
Trading Symbol PAUG
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Power Buffer ETF™ - August for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=PAUG. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=PAUG
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Power Buffer ETF™ - August
$40
0.79%
[287]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 884,608,609
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 3,585,018
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$884,608,609
Number of Holdings
4
Net Advisory Fee
$3,585,018
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $6.32
103.9%
SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $632.08
0.7%
SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $537.27 (Short)
-0.3%
SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $709.51 (Short)
-4.6%
[288]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=PAUG
Innovator U.S. Equity Power Buffer ETF™ - December  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Power Buffer ETF™ - December
Class Name Innovator U.S. Equity Power Buffer ETF™ - December
Trading Symbol PDEC
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Power Buffer ETF™ - December for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=PDEC. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=PDEC
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Power Buffer ETF™ - December
$40
0.79%
[289]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 1,021,620,158
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 3,874,325
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$1,021,620,158
Number of Holdings
4
Net Advisory Fee
$3,874,325
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $6.83
100.1%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $683.39
3.2%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $580.88 (Short)
-1.2%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $773.20 (Short)
-2.3%
[290]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=PDEC
Innovator U.S. Equity Power Buffer ETF™ - February  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Power Buffer ETF™ - February
Class Name Innovator U.S. Equity Power Buffer ETF™ - February
Trading Symbol PFEB
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Power Buffer ETF™ - February for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=PFEB. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=PFEB
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Power Buffer ETF™ - February
$40
0.79%
[291]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 920,901,618
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 3,127,898
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$920,901,618
Number of Holdings
4
Net Advisory Fee
$3,127,898
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $6.92
100.3%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $691.97
4.1%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $588.17 (Short)
-1.7%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $777.98 (Short)
-2.9%
[292]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=PFEB
Innovator U.S. Equity Power Buffer ETF™ - January  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Power Buffer ETF™ - January
Class Name Innovator U.S. Equity Power Buffer ETF™ - January
Trading Symbol PJAN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Power Buffer ETF™ - January for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=PJAN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=PJAN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Power Buffer ETF™ - January
$40
0.79%
[293]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 1,587,568,044
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 5,503,202
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$1,587,568,044
Number of Holdings
4
Net Advisory Fee
$5,503,202
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $6.82
100.8%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $681.92
3.5%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $579.63 (Short)
-1.4%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $765.86 (Short)
-3.1%
[294]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=PJAN
Innovator U.S. Equity Power Buffer ETF™ - July  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Power Buffer ETF™ - July
Class Name Innovator U.S. Equity Power Buffer ETF™ - July
Trading Symbol PJUL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Power Buffer ETF™ - July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=PJUL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=PJUL
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Power Buffer ETF™ - July
$40
0.79%
[295]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 1,003,151,938
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 4,081,294
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$1,003,151,938
Number of Holdings
4
Net Advisory Fee
$4,081,294
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $6.18
105.1%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $617.85
0.3%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $525.17 (Short)
-0.1%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $692.55 (Short)
-5.6%
[296]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=PJUL
Innovator U.S. Equity Power Buffer ETF™ - June  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Power Buffer ETF™ - June
Class Name Innovator U.S. Equity Power Buffer ETF™ - June
Trading Symbol PJUN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Power Buffer ETF™ - June for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=PJUN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=PJUN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Power Buffer ETF™ - June
$40
0.79%
[297]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 643,966,557
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 2,657,777
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$643,966,557
Number of Holdings
4
Net Advisory Fee
$2,657,777
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 05/29/2026; Exercise Price: $5.89
108.7%
SPDR S&P 500 ETF Trust, Expiration: 05/29/2026; Exercise Price: $589.39
0.1%
SPDR S&P 500 ETF Trust, Expiration: 05/29/2026; Exercise Price: $500.98 (Short)
0.0%
SPDR S&P 500 ETF Trust, Expiration: 05/29/2026; Exercise Price: $663.58 (Short)
-9.0%
[298]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=PJUN
Innovator U.S. Equity Power Buffer ETF™ - March  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Power Buffer ETF™ - March
Class Name Innovator U.S. Equity Power Buffer ETF™ - March
Trading Symbol PMAR
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Power Buffer ETF™ - March for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=PMAR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=PMAR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Power Buffer ETF™ - March
$40
0.79%
[299]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 760,664,708
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 2,510,785
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$760,664,708
Number of Holdings
4
Net Advisory Fee
$2,510,785
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $6.86
101.1%
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $685.99
4.1%
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $583.09 (Short)
-1.7%
State Street SPDR S&P 500 ETF Trust, Expiration: 02/26/2027; Exercise Price: $773.73 (Short)
-3.7%
[300]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=PMAR
Innovator U.S. Equity Power Buffer ETF™ - May  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Power Buffer ETF™ - May
Class Name Innovator U.S. Equity Power Buffer ETF™ - May
Trading Symbol PMAY
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Power Buffer ETF™ - May for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=PMAY. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=PMAY
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Power Buffer ETF™ - May
$40
0.79%
[301]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 603,399,544
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 2,369,312
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$603,399,544
Number of Holdings
4
Net Advisory Fee
$2,369,312
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $7.19
99.0%
State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $718.66
5.8%
State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $812.09 (Short)
-2.4%
State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $610.86 (Short)
-2.6%
[302]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=PMAY
Innovator U.S. Equity Power Buffer ETF™ - November  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Power Buffer ETF™ - November
Class Name Innovator U.S. Equity Power Buffer ETF™ - November
Trading Symbol PNOV
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Power Buffer ETF™ - November for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=PNOV. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=PNOV
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Power Buffer ETF™ - November
$40
0.79%
[303]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 949,784,055
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 3,700,109
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$949,784,055
Number of Holdings
4
Net Advisory Fee
$3,700,109
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $6.82
99.8%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $682.06
2.7%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $579.75 (Short)
-1.0%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $772.50 (Short)
-1.8%
[304]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=PNOV
Innovator U.S. Equity Power Buffer ETF™ - October  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Power Buffer ETF™ - October
Class Name Innovator U.S. Equity Power Buffer ETF™ - October
Trading Symbol POCT
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Power Buffer ETF™ - October for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=POCT. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=POCT
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Power Buffer ETF™ - October
$40
0.79%
[305]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 1,046,535,865
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 4,238,709
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$1,046,535,865
Number of Holdings
4
Net Advisory Fee
$4,238,709
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $6.66
101.3%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $666.18
2.0%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $566.25 (Short)
-0.7%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $744.86 (Short)
-2.9%
[306]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=POCT
Innovator U.S. Equity Power Buffer ETF™ - September  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Power Buffer ETF™ - September
Class Name Innovator U.S. Equity Power Buffer ETF™ - September
Trading Symbol PSEP
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Power Buffer ETF™ - September for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=PSEP. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=PSEP
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Power Buffer ETF™ - September
$40
0.79%
[307]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 856,903,739
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 3,479,359
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$856,903,739
Number of Holdings
4
Net Advisory Fee
$3,479,359
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $6.45
103.2%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $645.05
1.3%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $548.29 (Short)
-0.4%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $720.70 (Short)
-4.3%
[308]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=PSEP
Innovator U.S. Equity Ultra Buffer ETF™ - April  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Ultra Buffer ETF™ - April
Class Name Innovator U.S. Equity Ultra Buffer ETF™ - April
Trading Symbol UAPR
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Ultra Buffer ETF™ - April for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=UAPR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=UAPR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Ultra Buffer ETF™ - April
$40
0.78%
[309]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.78%
Material Change Date Jun. 17, 2026
Net Assets $ 154,790,283
Holdings Count | $ / shares 6
Advisory Fees Paid, Amount $ 572,331
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$154,790,283
Number of Holdings
6
Net Advisory Fee
$572,331
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Vanguard S&P 500 ETF
104.9%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $567.67
2.7%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $621.44
0.3%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $621.44 (Short)
-0.1%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $388.41 (Short)
-0.6%
Vanguard S&P 500 ETF, Expiration: 03/31/2027; Exercise Price: $675.47 (Short)
-7.4%
[310]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=UAPR
Innovator U.S. Equity Ultra Buffer ETF™ - August  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Ultra Buffer ETF™ - August
Class Name Innovator U.S. Equity Ultra Buffer ETF™ - August
Trading Symbol UAUG
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Ultra Buffer ETF™ - August for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=UAUG. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=UAUG
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Ultra Buffer ETF™ - August
$40
0.79%
[311]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 169,118,738
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 779,427
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$169,118,738
Number of Holdings
4
Net Advisory Fee
$779,427
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $6.31
104.4%
SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $600.48
0.5%
SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $410.85 (Short)
-0.1%
SPDR S&P 500 ETF Trust, Expiration: 07/31/2026; Exercise Price: $705.53 (Short)
-5.0%
[312]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=UAUG
Innovator U.S. Equity Ultra Buffer ETF™ - December  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Ultra Buffer ETF™ - December
Class Name Innovator U.S. Equity Ultra Buffer ETF™ - December
Trading Symbol UDEC
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Ultra Buffer ETF™ - December for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=UDEC. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=UDEC
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Ultra Buffer ETF™ - December
$40
0.79%
[313]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 312,526,890
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 1,125,970
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$312,526,890
Number of Holdings
4
Net Advisory Fee
$1,125,970
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $6.82
100.6%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $649.22
2.2%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $444.20 (Short)
-0.3%
SPDR S&P 500 ETF Trust, Expiration: 11/30/2026; Exercise Price: $765.66 (Short)
-2.7%
[314]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=UDEC
Innovator U.S. Equity Ultra Buffer ETF™ - February  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Ultra Buffer ETF™ - February
Class Name Innovator U.S. Equity Ultra Buffer ETF™ - February
Trading Symbol UFEB
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Ultra Buffer ETF™ - February for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=UFEB. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=UFEB
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Ultra Buffer ETF™- February
$40
0.79%
[315]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 251,525,515
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 741,979
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$251,525,515
Number of Holdings
4
Net Advisory Fee
$741,979
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $6.89
100.6%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $657.37
3.0%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $449.78 (Short)
-0.5%
State Street SPDR S&P 500 ETF Trust, Expiration: 01/29/2027; Exercise Price: $770.79 (Short)
-3.4%
[316]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=UFEB
Innovator U.S. Equity Ultra Buffer ETF™ - January  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Ultra Buffer ETF™ - January
Class Name Innovator U.S. Equity Ultra Buffer ETF™ - January
Trading Symbol UJAN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Ultra Buffer ETF™ - January for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=UJAN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=UJAN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Ultra Buffer ETF™ - January
$40
0.79%
[317]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 323,769,415
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 1,038,845
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$323,769,415
Number of Holdings
4
Net Advisory Fee
$1,038,845
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $6.81
101.2%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $647.82
2.6%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $443.25 (Short)
-0.4%
SPDR S&P 500 ETF Trust, Expiration: 12/31/2026; Exercise Price: $759.66 (Short)
-3.6%
[318]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=UJAN
Innovator U.S. Equity Ultra Buffer ETF™ - July  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Ultra Buffer ETF™ - July
Class Name Innovator U.S. Equity Ultra Buffer ETF™ - July
Trading Symbol UJUL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Ultra Buffer ETF™ - July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=UJUL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=UJUL
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Ultra Buffer ETF™ - July
$40
0.79%
[319]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 144,158,636
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 658,735
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$144,158,636
Number of Holdings
4
Net Advisory Fee
$658,735
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $6.17
105.6%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $586.96
0.2%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $401.60 (Short)
0.0%
SPDR S&P 500 ETF Trust, Expiration: 06/30/2026; Exercise Price: $688.96 (Short)
-6.1%
[320]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=UJUL
Innovator U.S. Equity Ultra Buffer ETF™ - June  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Ultra Buffer ETF™ - June
Class Name Innovator U.S. Equity Ultra Buffer ETF™ - June
Trading Symbol UJUN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Ultra Buffer ETF™ - June for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=UJUN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=UJUN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Ultra Buffer ETF™ - June
$40
0.79%
[321]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 77,867,249
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 327,167
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$77,867,249
Number of Holdings
4
Net Advisory Fee
$327,167
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 05/29/2026; Exercise Price: $5.88
109.5%
SPDR S&P 500 ETF Trust, Expiration: 05/29/2026; Exercise Price: $559.92
0.0%
SPDR S&P 500 ETF Trust, Expiration: 05/29/2026; Exercise Price: $383.10 (Short)
0.0%
SPDR S&P 500 ETF Trust, Expiration: 05/29/2026; Exercise Price: $658.82 (Short)
-9.8%
[322]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=UJUN
Innovator U.S. Equity Ultra Buffer ETF™ - March  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Ultra Buffer ETF™ - March
Class Name Innovator U.S. Equity Ultra Buffer ETF™ - March
Trading Symbol UMAR
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Ultra Buffer ETF™ - March for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=UMAR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=UMAR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Ultra Buffer ETF™ - March
$40
0.78%
[323]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.78%
Material Change Date Jun. 17, 2026
Net Assets $ 210,535,292
Holdings Count | $ / shares 6
Advisory Fees Paid, Amount $ 501,089
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$210,535,292
Number of Holdings
6
Net Advisory Fee
$501,089
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Vanguard S&P 500 ETF
100.9%
Vanguard S&P 500 ETF, Expiration: 02/26/2027; Exercise Price: $599.49
3.1%
Vanguard S&P 500 ETF, Expiration: 02/26/2027; Exercise Price: $656.27
0.2%
Vanguard S&P 500 ETF, Expiration: 02/26/2027; Exercise Price: $656.27 (Short)
-0.1%
Vanguard S&P 500 ETF, Expiration: 02/26/2027; Exercise Price: $410.18 (Short)
-0.6%
Vanguard S&P 500 ETF, Expiration: 02/26/2027; Exercise Price: $707.21 (Short)
-4.0%
[324]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=UMAR
Innovator U.S. Equity Ultra Buffer ETF™ - May  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Ultra Buffer ETF™ - May
Class Name Innovator U.S. Equity Ultra Buffer ETF™ - May
Trading Symbol UMAY
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Ultra Buffer ETF™ - May for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=UMAY. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=UMAY
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Ultra Buffer ETF™ - May
$40
0.79%
[325]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 59,699,390
Holdings Count | $ / shares 6
Advisory Fees Paid, Amount $ 230,005
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$59,699,390
Number of Holdings
6
Net Advisory Fee
$230,005
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
Vanguard S&P 500 ETF
98.7%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $627.55
4.5%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $686.99
0.2%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $686.99 (Short)
-0.1%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $429.38 (Short)
-0.9%
Vanguard S&P 500 ETF, Expiration: 04/30/2027; Exercise Price: $743.48 (Short)
-2.6%
[326]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=UMAY
Innovator U.S. Equity Ultra Buffer ETF™ - November  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Ultra Buffer ETF™ - November
Class Name Innovator U.S. Equity Ultra Buffer ETF™ - November
Trading Symbol UNOV
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Ultra Buffer ETF™ - November for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=UNOV. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=UNOV
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Ultra Buffer ETF™ - November
$40
0.79%
[327]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 178,730,495
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 656,810
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$178,730,495
Number of Holdings
4
Net Advisory Fee
$656,810
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $6.81
100.3%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $647.96
2.0%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $443.34 (Short)
-0.3%
SPDR S&P 500 ETF Trust, Expiration: 10/30/2026; Exercise Price: $763.91 (Short)
-2.2%
[328]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=UNOV
Innovator U.S. Equity Ultra Buffer ETF™ - October  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Ultra Buffer ETF™ - October
Class Name Innovator U.S. Equity Ultra Buffer ETF™ - October
Trading Symbol UOCT
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Ultra Buffer ETF™ - October for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=UOCT. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=UOCT
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Ultra Buffer ETF™ - October
$40
0.79%
[329]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 180,136,846
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 907,842
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$180,136,846
Number of Holdings
4
Net Advisory Fee
$907,842
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $6.65
101.8%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $632.87
1.4%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $433.02 (Short)
-0.2%
SPDR S&P 500 ETF Trust, Expiration: 09/30/2026; Exercise Price: $739.66 (Short)
-3.2%
[330]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=UOCT
Innovator U.S. Equity Ultra Buffer ETF™ - September  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Equity Ultra Buffer ETF™ - September
Class Name Innovator U.S. Equity Ultra Buffer ETF™ - September
Trading Symbol USEP
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Equity Ultra Buffer ETF™ - September for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=USEP. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=USEP
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Equity Ultra Buffer ETF™ - September
$40
0.79%
[331]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 152,005,962
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 770,477
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$152,005,962
Number of Holdings
4
Net Advisory Fee
$770,477
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $6.44
103.7%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $612.80
0.8%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $419.28 (Short)
-0.1%
SPDR S&P 500 ETF Trust, Expiration: 08/31/2026; Exercise Price: $717.17 (Short)
-4.7%
[332]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=USEP
Innovator U.S. Small Cap 10 Buffer ETF™ - Quarterly  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Small Cap 10 Buffer ETF™ - Quarterly
Class Name Innovator U.S. Small Cap 10 Buffer ETF™ - Quarterly
Trading Symbol RBUF
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Small Cap 10 Buffer ETF™ - Quarterly for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=RBUF. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=RBUF
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Small Cap 10 Buffer ETF™ - Quarterly
$40
0.79%
[333]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 86,226,231
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 305,698
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$86,226,231
Number of Holdings
4
Net Advisory Fee
$305,698
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares Russell 2000 ETF, Expiration: 06/30/2026; Exercise Price: $0.62
106.9%
iShares Russell 2000 ETF, Expiration: 06/30/2026; Exercise Price: $248.00
0.8%
iShares Russell 2000 ETF, Expiration: 06/30/2026; Exercise Price: $223.20 (Short)
-0.3%
iShares Russell 2000 ETF, Expiration: 06/30/2026; Exercise Price: $263.97 (Short)
-7.5%
[334]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=RBUF
Innovator U.S. Small Cap Power Buffer ETF™ - April  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Small Cap Power Buffer ETF™ - April
Class Name Innovator U.S. Small Cap Power Buffer ETF™ - April
Trading Symbol KAPR
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Small Cap Power Buffer ETF™ - April for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=KAPR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=KAPR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Small Cap Power Buffer ETF™ - April
$41
0.79%
[335]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 208,859,022
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 648,603
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$208,859,022
Number of Holdings
4
Net Advisory Fee
$648,603
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares Russell 2000 ETF, Expiration: 03/31/2027; Exercise Price: $2.48
104.0%
iShares Russell 2000 ETF, Expiration: 03/31/2027; Exercise Price: $248.00
4.3%
iShares Russell 2000 ETF, Expiration: 03/31/2027; Exercise Price: $210.80 (Short)
-2.0%
iShares Russell 2000 ETF, Expiration: 03/31/2027; Exercise Price: $298.79 (Short)
-6.5%
[336]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=KAPR
Innovator U.S. Small Cap Power Buffer ETF™ - August  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Small Cap Power Buffer ETF™ - August
Class Name Innovator U.S. Small Cap Power Buffer ETF™ - August
Trading Symbol KAUG
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Small Cap Power Buffer ETF™ - August for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=KAUG. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=KAUG
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Small Cap Power Buffer ETF™ - August
$41
0.79%
[337]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 80,093,701
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 456,689
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$80,093,701
Number of Holdings
4
Net Advisory Fee
$456,689
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares Russell 2000 ETF, Expiration: 07/31/2026; Exercise Price: $2.19
110.4%
iShares Russell 2000 ETF, Expiration: 07/31/2026; Exercise Price: $219.39
0.5%
iShares Russell 2000 ETF, Expiration: 07/31/2026; Exercise Price: $186.48 (Short)
-0.2%
iShares Russell 2000 ETF, Expiration: 07/31/2026; Exercise Price: $257.30 (Short)
-10.9%
[338]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=KAUG
Innovator U.S. Small Cap Power Buffer ETF™ - December  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Small Cap Power Buffer ETF™ - December
Class Name Innovator U.S. Small Cap Power Buffer ETF™ - December
Trading Symbol KDEC
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Small Cap Power Buffer ETF™ - December for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=KDEC. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=KDEC
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Small Cap Power Buffer ETF™ - December
$41
0.79%
[339]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 84,947,103
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 326,271
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$84,947,103
Number of Holdings
4
Net Advisory Fee
$326,271
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares Russell 2000 ETF, Expiration: 11/30/2026; Exercise Price: $2.49
103.0%
iShares Russell 2000 ETF, Expiration: 11/30/2026; Exercise Price: $248.75
3.1%
iShares Russell 2000 ETF, Expiration: 11/30/2026; Exercise Price: $211.44 (Short)
-1.2%
iShares Russell 2000 ETF, Expiration: 11/30/2026; Exercise Price: $293.77 (Short)
-5.1%
[340]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=KDEC
Innovator U.S. Small Cap Power Buffer ETF™ - February  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Small Cap Power Buffer ETF™ - February
Class Name Innovator U.S. Small Cap Power Buffer ETF™ - February
Trading Symbol KFEB
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Small Cap Power Buffer ETF™ - February for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=KFEB. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=KFEB
Expenses [Text Block]
WHAT WERE THE FUND 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*,**
Innovator U.S. Small Cap Power Buffer ETF™ - February
$41
0.79%
[341],[342]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 55,406,971
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 132,698
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$55,406,971
Number of Holdings
4
Net Advisory Fee
$132,698
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares Russell 2000 ETF, Expiration: 01/29/2027; Exercise Price: $2.60
101.3%
iShares Russell 2000 ETF, Expiration: 01/29/2027; Exercise Price: $259.65
4.8%
iShares Russell 2000 ETF, Expiration: 01/29/2027; Exercise Price: $220.70 (Short)
-1.9%
iShares Russell 2000 ETF, Expiration: 01/29/2027; Exercise Price: $305.43 (Short)
-4.5%
[343]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=KFEB
Innovator U.S. Small Cap Power Buffer ETF™ - January  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Small Cap Power Buffer ETF™ - January
Class Name Innovator U.S. Small Cap Power Buffer ETF™ - January
Trading Symbol KJAN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Small Cap Power Buffer ETF™ - January for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=KJAN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=KJAN
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Small Cap Power Buffer ETF™ - January
$41
0.79%
[344]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 326,297,041
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 1,237,004
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$326,297,041
Number of Holdings
4
Net Advisory Fee
$1,237,004
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares MSCI Emerging Markets ETF, Expiration: 12/31/2026; Exercise Price: $2.46
104.4%
iShares MSCI Emerging Markets ETF, Expiration: 12/31/2026; Exercise Price: $246.16
3.4%
iShares MSCI Emerging Markets ETF, Expiration: 12/31/2026; Exercise Price: $209.24 (Short)
-1.3%
iShares MSCI Emerging Markets ETF, Expiration: 12/31/2026; Exercise Price: $288.82 (Short)
-6.7%
[345]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=KJAN
Innovator U.S. Small Cap Power Buffer ETF™ - July  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Small Cap Power Buffer ETF™ - July
Class Name Innovator U.S. Small Cap Power Buffer ETF™ - July
Trading Symbol KJUL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Small Cap Power Buffer ETF™ - July for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=KJUL. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=KJUL
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Small Cap Power Buffer ETF™ - July
$41
0.79%
[346]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 134,652,703
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 581,430
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$134,652,703
Number of Holdings
4
Net Advisory Fee
$581,430
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares Russell 2000 ETF, Expiration: 06/30/2026; Exercise Price: $2.16
111.2%
iShares Russell 2000 ETF, Expiration: 06/30/2026; Exercise Price: $215.79
0.2%
iShares Russell 2000 ETF, Expiration: 06/30/2026; Exercise Price: $183.42 (Short)
-0.1%
iShares Russell 2000 ETF, Expiration: 06/30/2026; Exercise Price: $252.79 (Short)
-11.5%
[347]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=KJUL
Innovator U.S. Small Cap Power Buffer ETF™ - June  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Small Cap Power Buffer ETF™ - June
Class Name Innovator U.S. Small Cap Power Buffer ETF™ - June
Trading Symbol KJUN
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Small Cap Power Buffer ETF™ - June for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=KJUN. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=KJUN
Expenses [Text Block]
WHAT WERE THE FUND 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
Innovator U.S. Small Cap Power Buffer ETF™ - June
$40
0.79%
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 16,730,489
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 68,837
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$16,730,489
Number of Holdings
4
Net Advisory Fee
$68,837
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares Russell 2000 ETF, Expiration: 05/29/2026; Exercise Price: $2.05
116.2%
iShares Russell 2000 ETF, Expiration: 05/29/2026; Exercise Price: $205.07
0.0%
iShares Russell 2000 ETF, Expiration: 05/29/2026; Exercise Price: $174.31 (Short)
0.0%
iShares Russell 2000 ETF, Expiration: 05/29/2026; Exercise Price: $239.85 (Short)
-16.5%
[348]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=KJUN
Innovator U.S. Small Cap Power Buffer ETF™ - March  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Small Cap Power Buffer ETF™ - March
Class Name Innovator U.S. Small Cap Power Buffer ETF™ - March
Trading Symbol KMAR
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Small Cap Power Buffer ETF™ - March for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=KMAR. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=KMAR
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Small Cap Power Buffer ETF™ - March
$41
0.79%
[349]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 34,894,541
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 64,671
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$34,894,541
Number of Holdings
4
Net Advisory Fee
$64,671
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares Russell 2000 ETF, Expiration: 02/26/2027; Exercise Price: $2.61
101.3%
iShares Russell 2000 ETF, Expiration: 02/26/2027; Exercise Price: $261.41
5.2%
iShares Russell 2000 ETF, Expiration: 02/26/2027; Exercise Price: $222.20 (Short)
-2.2%
iShares Russell 2000 ETF, Expiration: 02/26/2027; Exercise Price: $308.73 (Short)
-4.5%
[350]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=KMAR
Innovator U.S. Small Cap Power Buffer ETF™ - May  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Small Cap Power Buffer ETF™ - May
Class Name Innovator U.S. Small Cap Power Buffer ETF™ - May
Trading Symbol KMAY
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Small Cap Power Buffer ETF™ - May for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=KMAY. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=KMAY
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Small Cap Power Buffer ETF™ - May
$40
0.79%
[351]
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 13,846,632
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 61,886
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$13,846,632
Number of Holdings
4
Net Advisory Fee
$61,886
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares Russell 2000 ETF, Expiration: 04/30/2027; Exercise Price: $2.78
98.4%
iShares Russell 2000 ETF, Expiration: 04/30/2027; Exercise Price: $277.97
8.0%
iShares Russell 2000 ETF, Expiration: 04/30/2027; Exercise Price: $329.28 (Short)
-3.2%
iShares Russell 2000 ETF, Expiration: 04/30/2027; Exercise Price: $236.27 (Short)
-3.5%
[352]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=KMAY
Innovator U.S. Small Cap Power Buffer ETF™ - November  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Small Cap Power Buffer ETF™ - November
Class Name Innovator U.S. Small Cap Power Buffer ETF™ - November
Trading Symbol KNOV
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Small Cap Power Buffer ETF™ - November for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=KNOV. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=KNOV
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Small Cap Power Buffer ETF™ - November
$41
0.79%
[353]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 104,741,254
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 238,664
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$104,741,254
Number of Holdings
4
Net Advisory Fee
$238,664
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares Russell 2000 ETF, Expiration: 10/30/2026; Exercise Price: $2.46
102.9%
iShares Russell 2000 ETF, Expiration: 10/30/2026; Exercise Price: $246.23
2.6%
iShares Russell 2000 ETF, Expiration: 10/30/2026; Exercise Price: $209.30 (Short)
-0.9%
iShares Russell 2000 ETF, Expiration: 10/30/2026; Exercise Price: $291.22 (Short)
-4.9%
[354]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=KNOV
Innovator U.S. Small Cap Power Buffer ETF™ - October  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Small Cap Power Buffer ETF™ - October
Class Name Innovator U.S. Small Cap Power Buffer ETF™ - October
Trading Symbol KOCT
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Small Cap Power Buffer ETF™ - October for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=KOCT. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=KOCT
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Small Cap Power Buffer ETF™ - October
$41
0.79%
[355]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 142,091,431
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 528,405
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$142,091,431
Number of Holdings
4
Net Advisory Fee
$528,405
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares Russell 2000 ETF, Expiration: 09/30/2026; Exercise Price: $2.42
104.0%
iShares Russell 2000 ETF, Expiration: 09/30/2026; Exercise Price: $241.96
1.9%
iShares Russell 2000 ETF, Expiration: 09/30/2026; Exercise Price: $205.67 (Short)
-0.7%
iShares Russell 2000 ETF, Expiration: 09/30/2026; Exercise Price: $283.53 (Short)
-5.5%
[356]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=KOCT
Innovator U.S. Small Cap Power Buffer ETF™ - September  
Shareholder Report [Line Items]  
Fund Name Innovator U.S. Small Cap Power Buffer ETF™ - September
Class Name Innovator U.S. Small Cap Power Buffer ETF™ - September
Trading Symbol KSEP
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator U.S. Small Cap Power Buffer ETF™ - September for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=KSEP. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=KSEP
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator U.S. Small Cap Power Buffer ETF™ - September
$41
0.79%
[357]
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 24,662,961
Holdings Count | $ / shares 4
Advisory Fees Paid, Amount $ 144,853
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$24,662,961
Number of Holdings
4
Net Advisory Fee
$144,853
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
iShares Russell 2000 ETF, Expiration: 08/31/2026; Exercise Price: $2.35
105.5%
iShares Russell 2000 ETF, Expiration: 08/31/2026; Exercise Price: $235.17
1.2%
iShares Russell 2000 ETF, Expiration: 08/31/2026; Exercise Price: $199.89 (Short)
-0.4%
iShares Russell 2000 ETF, Expiration: 08/31/2026; Exercise Price: $275.62 (Short)
-6.5%
[358]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=KSEP
Innovator Uncapped Bitcoin 20 Floor ETF® - Quarterly  
Shareholder Report [Line Items]  
Fund Name Innovator Uncapped Bitcoin 20 Floor ETF® - Quarterly
Class Name Innovator Uncapped Bitcoin 20 Floor ETF® - Quarterly
Trading Symbol QBF
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Innovator Uncapped Bitcoin 20 Floor ETF® - Quarterly for the period of November 1, 2025, to April 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.innovatoretfs.com/etf/?ticker=QBF. You can also request this information by contacting us at 800.208.5212.
Additional Information Phone Number 800.208.5212
Additional Information Website https://www.innovatoretfs.com/etf/?ticker=QBF
Expenses [Text Block]
WHAT WERE THE FUND 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*
Innovator Uncapped Bitcoin 20 Floor ETF® - Quarterly
$34
0.79%
[359]
Expenses Paid, Amount $ 34
Expense Ratio, Percent 0.79%
Material Change Date Jun. 17, 2026
Net Assets $ 16,663,424
Holdings Count | $ / shares 3
Advisory Fees Paid, Amount $ 72,148
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of April 30, 2026)
Net Assets
$16,663,424
Number of Holdings
3
Net Advisory Fee
$72,148
Portfolio Turnover
0%
Holdings [Text Block]
WHAT DID THE FUND INVEST IN?* (as of April 30, 2026)
Top Holdings
(%)
United States Treasury Bill
73.1%
Cboe Mini Bitcoin U.S. ETF Index, Expiration: 06/30/2026; Exercise Price: $127.99
31.9%
Cboe Mini Bitcoin U.S. ETF Index, Expiration: 06/30/2026; Exercise Price: $159.99 (Short)
-5.0%
[360]
Material Fund Change [Text Block]
CHANGE IN AUDITOR
On June 17th, 2026, upon the resignation of Cohen & Company, Ltd., the Audit Committee of the Board of Trustees of the Innovator ETFs Trust (the “Trust”) appointed, and the Board of Trustees of the Trust ratified and approved, PricewaterhouseCoopers LLP as the independent registered public accounting firm for the Trust for the fiscal year ending October 31, 2026.
During the Trust’s two most recent fiscal years and the subsequent interim period through June 17th, 2026, there were no disagreements with Cohen & Company, Ltd. on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure.
Updated Prospectus Web Address https://www.innovatoretfs.com/etf/?ticker=QBF
[1]
* Annualized
[2]
* Percentages are stated as a percent of net assets.
[3]
* Annualized
[4]
* Percentages are stated as a percent of net assets.
[5]
* Annualized
[6]
* Percentages are stated as a percent of net assets.
[7]
** Annualized
[8]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[9]
* Percentages are stated as a percent of net assets.
[10]
* Annualized
[11]
* Percentages are stated as a percent of net assets.
[12]
* Annualized
[13]
* Percentages are stated as a percent of net assets.
[14]
* Annualized
[15]
* Percentages are stated as a percent of net assets.
[16]
* Annualized
[17]
* Percentages are stated as a percent of net assets.
[18]
* Annualized
[19]
* Percentages are stated as a percent of net assets.
[20]
* Annualized
[21]
* Percentages are stated as a percent of net assets.
[22]
** Annualized
[23]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[24]
* Percentages are stated as a percent of net assets.
[25]
** Annualized
[26]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[27]
* Percentages are stated as a percent of net assets.
[28]
** Excludes fees and expenses incurred indirectly as a result of investments in underlying funds.
[29]
* Expense ratio is annualized. Amount shown reflects the expenses of the Fund for the current reporting period.
[30]
* Percentages are stated as a percent of net assets.
[31]
** Excludes fees and expenses incurred indirectly as a result of investments in underlying funds.
[32]
* Expense ratio is annualized. Amount shown reflects the expenses of the Fund for the current reporting period.
[33]
* Percentages are stated as a percent of net assets.
[34]
** Annualized
[35]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[36]
* Percentages are stated as a percent of net assets.
[37]
* Annualized
[38]
* Percentages are stated as a percent of net assets.
[39]
* Annualized
[40]
* Percentages are stated as a percent of net assets.
[41]
* Annualized
[42]
* Percentages are stated as a percent of net assets.
[43]
** Annualized
[44]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[45]
* Percentages are stated as a percent of net assets.
[46]
* Annualized
[47]
* Percentages are stated as a percent of net assets.
[48]
* Annualized
[49]
* Percentages are stated as a percent of net assets.
[50]
* Annualized
[51]
* Percentages are stated as a percent of net assets.
[52]
* Annualized
[53]
* Percentages are stated as a percent of net assets.
[54]
* Annualized
[55]
* Percentages are stated as a percent of net assets.
[56]
* Percentages are stated as a percent of net assets.
[57]
* Annualized
[58]
* Percentages are stated as a percent of net assets.
[59]
* Annualized
[60]
* Percentages are stated as a percent of net assets.
[61]
* Annualized
[62]
* Percentages are stated as a percent of net assets.
[63]
* Annualized
[64]
* Percentages are stated as a percent of net assets.
[65]
* Annualized
[66]
* Percentages are stated as a percent of net assets.
[67]
* Annualized
[68]
* Percentages are stated as a percent of net assets.
[69]
* Annualized
[70]
* Percentages are stated as a percent of net assets.
[71]
** Annualized
[72]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[73]
* Percentages are stated as a percent of net assets.
[74]
* Annualized
[75]
* Percentages are stated as a percent of net assets.
[76]
* Percentages are stated as a percent of net assets.
[77]
* Annualized
[78]
* Percentages are stated as a percent of net assets.
[79]
* Annualized
[80]
* Percentages are stated as a percent of net assets.
[81]
* Annualized
[82]
* Percentages are stated as a percent of net assets.
[83]
* Annualized
[84]
* Percentages are stated as a percent of net assets.
[85]
* Annualized
[86]
* Percentages are stated as a percent of net assets.
[87]
* Annualized
[88]
* Percentages are stated as a percent of net assets.
[89]
* Percentages are stated as a percent of net assets.
[90]
* Annualized
[91]
* Percentages are stated as a percent of net assets.
[92]
* Annualized
[93]
* Percentages are stated as a percent of net assets.
[94]
* Annualized
[95]
* Percentages are stated as a percent of net assets.
[96]
* Annualized
[97]
* Percentages are stated as a percent of net assets.
[98]
* Percentages are stated as a percent of net assets.
[99]
* Annualized
[100]
* Percentages are stated as a percent of net assets.
[101]
** Annualized
[102]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[103]
* Percentages are stated as a percent of net assets.
[104]
* Annualized
[105]
* Percentages are stated as a percent of net assets.
[106]
* Percentages are stated as a percent of net assets.
[107]
** Annualized
[108]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[109]
* Percentages are stated as a percent of net assets.
[110]
** Annualized
[111]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[112]
* Percentages are stated as a percent of net assets.
[113]
** Annualized
[114]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[115]
* Percentages are stated as a percent of net assets.
[116]
** Annualized
[117]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[118]
* Percentages are stated as a percent of net assets.
[119]
* Annualized
[120]
* Percentages are stated as a percent of net assets.
[121]
** Annualized
[122]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[123]
* Percentages are stated as a percent of net assets.
[124]
** Annualized
[125]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[126]
* Percentages are stated as a percent of net assets.
[127]
* Annualized
[128]
* Percentages are stated as a percent of net assets.
[129]
* Annualized
[130]
* Percentages are stated as a percent of net assets.
[131]
* Annualized
[132]
* Percentages are stated as a percent of net assets.
[133]
** Annualized
[134]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[135]
* Percentages are stated as a percent of net assets.
[136]
** Annualized
[137]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[138]
* Percentages are stated as a percent of net assets.
[139]
** Annualized
[140]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[141]
* Percentages are stated as a percent of net assets.
[142]
** Annualized
[143]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[144]
* Percentages are stated as a percent of net assets.
[145]
* Annualized
[146]
* Percentages are stated as a percent of net assets.
[147]
** Annualized
[148]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[149]
* Percentages are stated as a percent of net assets.
[150]
** Annualized
[151]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[152]
* Percentages are stated as a percent of net assets.
[153]
* Annualized
[154]
* Percentages are stated as a percent of net assets.
[155]
* Annualized
[156]
* Percentages are stated as a percent of net assets.
[157]
* Annualized
[158]
* Percentages are stated as a percent of net assets.
[159]
** Annualized
[160]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[161]
* Percentages are stated as a percent of net assets.
[162]
* Percentages are stated as a percent of net assets.
[163]
* Annualized
[164]
* Percentages are stated as a percent of net assets.
[165]
* Annualized
[166]
* Percentages are stated as a percent of net assets.
[167]
* Annualized
[168]
* Percentages are stated as a percent of net assets.
[169]
* Annualized
[170]
* Percentages are stated as a percent of net assets.
[171]
** Annualized
[172]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[173]
* Percentages are stated as a percent of net assets.
[174]
* Annualized
[175]
* Percentages are stated as a percent of net assets.
[176]
* Annualized
[177]
* Percentages are stated as a percent of net assets.
[178]
* Annualized
[179]
* Percentages are stated as a percent of net assets.
[180]
* Percentages are stated as a percent of net assets.
[181]
* Annualized
[182]
* Percentages are stated as a percent of net assets.
[183]
* Annualized
[184]
* Percentages are stated as a percent of net assets.
[185]
* Percentages are stated as a percent of net assets.
[186]
* Annualized
[187]
* Percentages are stated as a percent of net assets.
[188]
* Annualized
[189]
* Percentages are stated as a percent of net assets.
[190]
* Annualized
[191]
* Percentages are stated as a percent of net assets.
[192]
* Annualized
[193]
* Percentages are stated as a percent of net assets.
[194]
* Annualized
[195]
* Percentages are stated as a percent of net assets.
[196]
* Percentages are stated as a percent of net assets.
[197]
* Annualized
[198]
* Percentages are stated as a percent of net assets.
[199]
* Annualized
[200]
* Percentages are stated as a percent of net assets.
[201]
* Annualized
[202]
* Percentages are stated as a percent of net assets.
[203]
* Percentages are stated as a percent of net assets.
[204]
* Annualized
[205]
* Percentages are stated as a percent of net assets.
[206]
* Annualized
[207]
* Percentages are stated as a percent of net assets.
[208]
* Percentages are stated as a percent of net assets.
[209]
* Percentages are stated as a percent of net assets.
[210]
* Annualized
[211]
* Percentages are stated as a percent of net assets.
[212]
* Annualized
[213]
* Percentages are stated as a percent of net assets.
[214]
* Annualized
[215]
* Percentages are stated as a percent of net assets.
[216]
* Annualized
[217]
* Percentages are stated as a percent of net assets.
[218]
* Percentages are stated as a percent of net assets.
[219]
* Percentages are stated as a percent of net assets.
[220]
* Annualized
[221]
* Percentages are stated as a percent of net assets.
[222]
* Annualized
[223]
* Percentages are stated as a percent of net assets.
[224]
* Annualized
[225]
* Percentages are stated as a percent of net assets.
[226]
* Annualized
[227]
* Percentages are stated as a percent of net assets.
[228]
* Annualized
[229]
* Percentages are stated as a percent of net assets.
[230]
* Annualized
[231]
* Percentages are stated as a percent of net assets.
[232]
* Annualized
[233]
* Percentages are stated as a percent of net assets.
[234]
* Annualized
[235]
* Percentages are stated as a percent of net assets.
[236]
* Percentages are stated as a percent of net assets.
[237]
* Annualized
[238]
* Percentages are stated as a percent of net assets.
[239]
* Annualized
[240]
* Percentages are stated as a percent of net assets.
[241]
* Annualized
[242]
* Percentages are stated as a percent of net assets.
[243]
* Annualized
[244]
* Percentages are stated as a percent of net assets.
[245]
* Annualized
[246]
* Percentages are stated as a percent of net assets.
[247]
* Annualized
[248]
* Percentages are stated as a percent of net assets.
[249]
* Percentages are stated as a percent of net assets.
[250]
* Annualized
[251]
* Percentages are stated as a percent of net assets.
[252]
* Annualized
[253]
* Percentages are stated as a percent of net assets.
[254]
* Annualized
[255]
* Percentages are stated as a percent of net assets.
[256]
* Annualized
[257]
* Percentages are stated as a percent of net assets.
[258]
* Percentages are stated as a percent of net assets.
[259]
* Annualized
[260]
* Percentages are stated as a percent of net assets.
[261]
* Annualized
[262]
* Percentages are stated as a percent of net assets.
[263]
* Annualized
[264]
* Percentages are stated as a percent of net assets.
[265]
* Annualized
[266]
* Percentages are stated as a percent of net assets.
[267]
* Annualized
[268]
* Percentages are stated as a percent of net assets.
[269]
* Annualized
[270]
* Percentages are stated as a percent of net assets.
[271]
* Annualized
[272]
* Percentages are stated as a percent of net assets.
[273]
* Annualized
[274]
* Percentages are stated as a percent of net assets.
[275]
* Annualized
[276]
* Percentages are stated as a percent of net assets.
[277]
* Annualized
[278]
* Percentages are stated as a percent of net assets.
[279]
* Annualized
[280]
* Percentages are stated as a percent of net assets.
[281]
* Annualized
[282]
* Percentages are stated as a percent of net assets.
[283]
* Annualized
[284]
* Percentages are stated as a percent of net assets.
[285]
* Annualized
[286]
* Percentages are stated as a percent of net assets.
[287]
* Annualized
[288]
* Percentages are stated as a percent of net assets.
[289]
* Annualized
[290]
* Percentages are stated as a percent of net assets.
[291]
* Annualized
[292]
* Percentages are stated as a percent of net assets.
[293]
* Annualized
[294]
* Percentages are stated as a percent of net assets.
[295]
* Annualized
[296]
* Percentages are stated as a percent of net assets.
[297]
* Annualized
[298]
* Percentages are stated as a percent of net assets.
[299]
* Annualized
[300]
* Percentages are stated as a percent of net assets.
[301]
* Annualized
[302]
* Percentages are stated as a percent of net assets.
[303]
* Annualized
[304]
* Percentages are stated as a percent of net assets.
[305]
* Annualized
[306]
* Percentages are stated as a percent of net assets.
[307]
* Annualized
[308]
* Percentages are stated as a percent of net assets.
[309]
* Annualized
[310]
* Percentages are stated as a percent of net assets.
[311]
* Annualized
[312]
* Percentages are stated as a percent of net assets.
[313]
* Annualized
[314]
* Percentages are stated as a percent of net assets.
[315]
* Annualized
[316]
* Percentages are stated as a percent of net assets.
[317]
* Annualized
[318]
* Percentages are stated as a percent of net assets.
[319]
* Annualized
[320]
* Percentages are stated as a percent of net assets.
[321]
* Annualized
[322]
* Percentages are stated as a percent of net assets.
[323]
* Annualized
[324]
* Percentages are stated as a percent of net assets.
[325]
* Annualized
[326]
* Percentages are stated as a percent of net assets.
[327]
* Annualized
[328]
* Percentages are stated as a percent of net assets.
[329]
* Annualized
[330]
* Percentages are stated as a percent of net assets.
[331]
* Annualized
[332]
* Percentages are stated as a percent of net assets.
[333]
* Annualized
[334]
* Percentages are stated as a percent of net assets.
[335]
* Annualized
[336]
* Percentages are stated as a percent of net assets.
[337]
* Annualized
[338]
* Percentages are stated as a percent of net assets.
[339]
* Annualized
[340]
* Percentages are stated as a percent of net assets.
[341]
** Annualized
[342]
* Amount shown reflects the expenses of the Fund from inception date through April 30, 2026. Expenses would be higher if the Fund had been in operation for the entire period of this report.
[343]
* Percentages are stated as a percent of net assets.
[344]
* Annualized
[345]
* Percentages are stated as a percent of net assets.
[346]
* Annualized
[347]
* Percentages are stated as a percent of net assets.
[348]
* Percentages are stated as a percent of net assets.
[349]
* Annualized
[350]
* Percentages are stated as a percent of net assets.
[351]
* Annualized
[352]
* Percentages are stated as a percent of net assets.
[353]
* Annualized
[354]
* Percentages are stated as a percent of net assets.
[355]
* Annualized
[356]
* Percentages are stated as a percent of net assets.
[357]
* Annualized
[358]
* Percentages are stated as a percent of net assets.
[359]
* Annualized
[360]
* Percentages are stated as a percent of net assets.