v3.26.1
Shareholder Report
 6 Months Ended
May 31, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name AIM Investment Funds (Invesco Investment Funds)
Entity Central Index Key 0000826644
Entity Investment Company Type N-1A
Document Period End Date May 31, 2026
C000209569 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Select 40 Fund
Class Name Class R6
Trading Symbol OSPSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Select 40 Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Select 40 Fund
(Class R6)		 $607 11.03%†
*
Annualized.
​†
Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
Expenses Paid, Amount $ 607
Expense Ratio, Percent 11.03% [1],[2]
Net Assets $ 2,332,180,297
Holdings Count | Holding 48
Investment Company Portfolio Turnover 1.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $2,332,180,297
Total number of portfolio holdings 48
Portfolio turnover rate 1%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 7.56%
Energy Transfer L.P. 7.40%
MPLX L.P. 6.84%
Plains All American Pipeline L.P. 5.90%
Targa Resources Corp. 5.75%
Kodiak Gas Services, Inc. 5.70%
ONEOK, Inc. 5.51%
Enterprise Products Partners L.P. 5.44%
Williams Cos., Inc. (The) 5.38%
NGL Energy Partners L.P. 5.24%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 7.56%
Energy Transfer L.P. 7.40%
MPLX L.P. 6.84%
Plains All American Pipeline L.P. 5.90%
Targa Resources Corp. 5.75%
Kodiak Gas Services, Inc. 5.70%
ONEOK, Inc. 5.51%
Enterprise Products Partners L.P. 5.44%
Williams Cos., Inc. (The) 5.38%
NGL Energy Partners L.P. 5.24%
* Excluding money market fund holdings, if any.
C000209568 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Select 40 Fund
Class Name Class R5
Trading Symbol SPMVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Select 40 Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Select 40 Fund
(Class R5)		 $608 11.04%†
*
Annualized.
​†
Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
Expenses Paid, Amount $ 608
Expense Ratio, Percent 11.04% [3],[4]
Net Assets $ 2,332,180,297
Holdings Count | Holding 48
Investment Company Portfolio Turnover 1.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $2,332,180,297
Total number of portfolio holdings 48
Portfolio turnover rate 1%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 7.56%
Energy Transfer L.P. 7.40%
MPLX L.P. 6.84%
Plains All American Pipeline L.P. 5.90%
Targa Resources Corp. 5.75%
Kodiak Gas Services, Inc. 5.70%
ONEOK, Inc. 5.51%
Enterprise Products Partners L.P. 5.44%
Williams Cos., Inc. (The) 5.38%
NGL Energy Partners L.P. 5.24%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 7.56%
Energy Transfer L.P. 7.40%
MPLX L.P. 6.84%
Plains All American Pipeline L.P. 5.90%
Targa Resources Corp. 5.75%
Kodiak Gas Services, Inc. 5.70%
ONEOK, Inc. 5.51%
Enterprise Products Partners L.P. 5.44%
Williams Cos., Inc. (The) 5.38%
NGL Energy Partners L.P. 5.24%
* Excluding money market fund holdings, if any.
C000209567 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Select 40 Fund
Class Name Class Y
Trading Symbol MLPTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Select 40 Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Select 40 Fund
(Class Y)		 $611 11.11%†
*
Annualized.
​†
Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
Expenses Paid, Amount $ 611
Expense Ratio, Percent 11.11% [5],[6]
Net Assets $ 2,332,180,297
Holdings Count | Holding 48
Investment Company Portfolio Turnover 1.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $2,332,180,297
Total number of portfolio holdings 48
Portfolio turnover rate 1%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 7.56%
Energy Transfer L.P. 7.40%
MPLX L.P. 6.84%
Plains All American Pipeline L.P. 5.90%
Targa Resources Corp. 5.75%
Kodiak Gas Services, Inc. 5.70%
ONEOK, Inc. 5.51%
Enterprise Products Partners L.P. 5.44%
Williams Cos., Inc. (The) 5.38%
NGL Energy Partners L.P. 5.24%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 7.56%
Energy Transfer L.P. 7.40%
MPLX L.P. 6.84%
Plains All American Pipeline L.P. 5.90%
Targa Resources Corp. 5.75%
Kodiak Gas Services, Inc. 5.70%
ONEOK, Inc. 5.51%
Enterprise Products Partners L.P. 5.44%
Williams Cos., Inc. (The) 5.38%
NGL Energy Partners L.P. 5.24%
* Excluding money market fund holdings, if any.
C000209566 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Select 40 Fund
Class Name Class R
Trading Symbol SPMWX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Select 40 Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Select 40 Fund
(Class R)		 $638 11.61%†
*
Annualized.
​†
Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
Expenses Paid, Amount $ 638
Expense Ratio, Percent 11.61% [7],[8]
Net Assets $ 2,332,180,297
Holdings Count | Holding 48
Investment Company Portfolio Turnover 1.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $2,332,180,297
Total number of portfolio holdings 48
Portfolio turnover rate 1%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 7.56%
Energy Transfer L.P. 7.40%
MPLX L.P. 6.84%
Plains All American Pipeline L.P. 5.90%
Targa Resources Corp. 5.75%
Kodiak Gas Services, Inc. 5.70%
ONEOK, Inc. 5.51%
Enterprise Products Partners L.P. 5.44%
Williams Cos., Inc. (The) 5.38%
NGL Energy Partners L.P. 5.24%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 7.56%
Energy Transfer L.P. 7.40%
MPLX L.P. 6.84%
Plains All American Pipeline L.P. 5.90%
Targa Resources Corp. 5.75%
Kodiak Gas Services, Inc. 5.70%
ONEOK, Inc. 5.51%
Enterprise Products Partners L.P. 5.44%
Williams Cos., Inc. (The) 5.38%
NGL Energy Partners L.P. 5.24%
* Excluding money market fund holdings, if any.
C000209565 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Select 40 Fund
Class Name Class C
Trading Symbol MLPEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Select 40 Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Select 40 Fund
(Class C)		 $665 12.11%†
*
Annualized.
​†
Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
Expenses Paid, Amount $ 665
Expense Ratio, Percent 12.11% [9],[10]
Net Assets $ 2,332,180,297
Holdings Count | Holding 48
Investment Company Portfolio Turnover 1.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $2,332,180,297
Total number of portfolio holdings 48
Portfolio turnover rate 1%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 7.56%
Energy Transfer L.P. 7.40%
MPLX L.P. 6.84%
Plains All American Pipeline L.P. 5.90%
Targa Resources Corp. 5.75%
Kodiak Gas Services, Inc. 5.70%
ONEOK, Inc. 5.51%
Enterprise Products Partners L.P. 5.44%
Williams Cos., Inc. (The) 5.38%
NGL Energy Partners L.P. 5.24%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 7.56%
Energy Transfer L.P. 7.40%
MPLX L.P. 6.84%
Plains All American Pipeline L.P. 5.90%
Targa Resources Corp. 5.75%
Kodiak Gas Services, Inc. 5.70%
ONEOK, Inc. 5.51%
Enterprise Products Partners L.P. 5.44%
Williams Cos., Inc. (The) 5.38%
NGL Energy Partners L.P. 5.24%
* Excluding money market fund holdings, if any.
C000209570 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Select 40 Fund
Class Name Class A
Trading Symbol MLPFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Select 40 Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Select 40 Fund
(Class A)		 $625 11.36%†
*
Annualized.
​†
Reflects fee waivers and/or expense reimbursements, without which expenses would have been higher.
Expenses Paid, Amount $ 625
Expense Ratio, Percent 11.36% [11],[12]
Net Assets $ 2,332,180,297
Holdings Count | Holding 48
Investment Company Portfolio Turnover 1.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $2,332,180,297
Total number of portfolio holdings 48
Portfolio turnover rate 1%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 7.56%
Energy Transfer L.P. 7.40%
MPLX L.P. 6.84%
Plains All American Pipeline L.P. 5.90%
Targa Resources Corp. 5.75%
Kodiak Gas Services, Inc. 5.70%
ONEOK, Inc. 5.51%
Enterprise Products Partners L.P. 5.44%
Williams Cos., Inc. (The) 5.38%
NGL Energy Partners L.P. 5.24%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 7.56%
Energy Transfer L.P. 7.40%
MPLX L.P. 6.84%
Plains All American Pipeline L.P. 5.90%
Targa Resources Corp. 5.75%
Kodiak Gas Services, Inc. 5.70%
ONEOK, Inc. 5.51%
Enterprise Products Partners L.P. 5.44%
Williams Cos., Inc. (The) 5.38%
NGL Energy Partners L.P. 5.24%
* Excluding money market fund holdings, if any.
C000209574 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Alpha Fund
Class Name Class A
Trading Symbol MLPAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Alpha Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Alpha Fund
(Class A)		 $502 9.35%
*
Annualized.
Expenses Paid, Amount $ 502
Expense Ratio, Percent 9.35% [13]
Net Assets $ 1,137,776,540
Holdings Count | Holding 22
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $1,137,776,540
Total number of portfolio holdings 22
Portfolio turnover rate 0%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
MPLX L.P. 12.32%
Energy Transfer L.P. 11.92%
Western Midstream Partners L.P. 10.42%
Enterprise Products Partners L.P. 9.89%
Targa Resources Corp. 9.29%
Plains All American Pipeline L.P. 7.28%
Hess Midstream L.P., Class A 5.28%
Sunoco L.P. 5.10%
ONEOK, Inc. 3.81%
Williams Cos., Inc. (The) 3.52%
* Excluding money market fund holdings, if any.
Sector allocation
(% of net assets)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
MPLX L.P. 12.32%
Energy Transfer L.P. 11.92%
Western Midstream Partners L.P. 10.42%
Enterprise Products Partners L.P. 9.89%
Targa Resources Corp. 9.29%
Plains All American Pipeline L.P. 7.28%
Hess Midstream L.P., Class A 5.28%
Sunoco L.P. 5.10%
ONEOK, Inc. 3.81%
Williams Cos., Inc. (The) 3.52%
* Excluding money market fund holdings, if any.
C000209575 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Alpha Fund
Class Name Class C
Trading Symbol MLPGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Alpha Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Alpha Fund
(Class C)		 $542 10.10%
*
Annualized.
Expenses Paid, Amount $ 542
Expense Ratio, Percent 10.10% [14]
Net Assets $ 1,137,776,540
Holdings Count | Holding 22
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $1,137,776,540
Total number of portfolio holdings 22
Portfolio turnover rate 0%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
MPLX L.P. 12.32%
Energy Transfer L.P. 11.92%
Western Midstream Partners L.P. 10.42%
Enterprise Products Partners L.P. 9.89%
Targa Resources Corp. 9.29%
Plains All American Pipeline L.P. 7.28%
Hess Midstream L.P., Class A 5.28%
Sunoco L.P. 5.10%
ONEOK, Inc. 3.81%
Williams Cos., Inc. (The) 3.52%
* Excluding money market fund holdings, if any.
Sector allocation
(% of net assets)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
MPLX L.P. 12.32%
Energy Transfer L.P. 11.92%
Western Midstream Partners L.P. 10.42%
Enterprise Products Partners L.P. 9.89%
Targa Resources Corp. 9.29%
Plains All American Pipeline L.P. 7.28%
Hess Midstream L.P., Class A 5.28%
Sunoco L.P. 5.10%
ONEOK, Inc. 3.81%
Williams Cos., Inc. (The) 3.52%
* Excluding money market fund holdings, if any.
C000209576 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Alpha Fund
Class Name Class R
Trading Symbol SPMGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Alpha Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Alpha Fund
(Class R)		 $516 9.60%
*
Annualized.
Expenses Paid, Amount $ 516
Expense Ratio, Percent 9.60% [15]
Net Assets $ 1,137,776,540
Holdings Count | Holding 22
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $1,137,776,540
Total number of portfolio holdings 22
Portfolio turnover rate 0%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
MPLX L.P. 12.32%
Energy Transfer L.P. 11.92%
Western Midstream Partners L.P. 10.42%
Enterprise Products Partners L.P. 9.89%
Targa Resources Corp. 9.29%
Plains All American Pipeline L.P. 7.28%
Hess Midstream L.P., Class A 5.28%
Sunoco L.P. 5.10%
ONEOK, Inc. 3.81%
Williams Cos., Inc. (The) 3.52%
* Excluding money market fund holdings, if any.
Sector allocation
(% of net assets)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
MPLX L.P. 12.32%
Energy Transfer L.P. 11.92%
Western Midstream Partners L.P. 10.42%
Enterprise Products Partners L.P. 9.89%
Targa Resources Corp. 9.29%
Plains All American Pipeline L.P. 7.28%
Hess Midstream L.P., Class A 5.28%
Sunoco L.P. 5.10%
ONEOK, Inc. 3.81%
Williams Cos., Inc. (The) 3.52%
* Excluding money market fund holdings, if any.
C000209573 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Alpha Fund
Class Name Class Y
Trading Symbol MLPOX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Alpha Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Alpha Fund
(Class Y)		 $489 9.10%
*
Annualized.
Expenses Paid, Amount $ 489
Expense Ratio, Percent 9.10% [16]
Net Assets $ 1,137,776,540
Holdings Count | Holding 22
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $1,137,776,540
Total number of portfolio holdings 22
Portfolio turnover rate 0%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
MPLX L.P. 12.32%
Energy Transfer L.P. 11.92%
Western Midstream Partners L.P. 10.42%
Enterprise Products Partners L.P. 9.89%
Targa Resources Corp. 9.29%
Plains All American Pipeline L.P. 7.28%
Hess Midstream L.P., Class A 5.28%
Sunoco L.P. 5.10%
ONEOK, Inc. 3.81%
Williams Cos., Inc. (The) 3.52%
* Excluding money market fund holdings, if any.
Sector allocation
(% of net assets)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
MPLX L.P. 12.32%
Energy Transfer L.P. 11.92%
Western Midstream Partners L.P. 10.42%
Enterprise Products Partners L.P. 9.89%
Targa Resources Corp. 9.29%
Plains All American Pipeline L.P. 7.28%
Hess Midstream L.P., Class A 5.28%
Sunoco L.P. 5.10%
ONEOK, Inc. 3.81%
Williams Cos., Inc. (The) 3.52%
* Excluding money market fund holdings, if any.
C000209571 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Alpha Fund
Class Name Class R5
Trading Symbol SPMHX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Alpha Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Alpha Fund
(Class R5)		 $485 9.02%
*
Annualized.
Expenses Paid, Amount $ 485
Expense Ratio, Percent 9.02% [17]
Net Assets $ 1,137,776,540
Holdings Count | Holding 22
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $1,137,776,540
Total number of portfolio holdings 22
Portfolio turnover rate 0%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
MPLX L.P. 12.32%
Energy Transfer L.P. 11.92%
Western Midstream Partners L.P. 10.42%
Enterprise Products Partners L.P. 9.89%
Targa Resources Corp. 9.29%
Plains All American Pipeline L.P. 7.28%
Hess Midstream L.P., Class A 5.28%
Sunoco L.P. 5.10%
ONEOK, Inc. 3.81%
Williams Cos., Inc. (The) 3.52%
* Excluding money market fund holdings, if any.
Sector allocation
(% of net assets)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
MPLX L.P. 12.32%
Energy Transfer L.P. 11.92%
Western Midstream Partners L.P. 10.42%
Enterprise Products Partners L.P. 9.89%
Targa Resources Corp. 9.29%
Plains All American Pipeline L.P. 7.28%
Hess Midstream L.P., Class A 5.28%
Sunoco L.P. 5.10%
ONEOK, Inc. 3.81%
Williams Cos., Inc. (The) 3.52%
* Excluding money market fund holdings, if any.
C000209572 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Alpha Fund
Class Name Class R6
Trading Symbol OSPAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Alpha Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Alpha Fund
(Class R6)		 $485 9.02%
*
Annualized.
Expenses Paid, Amount $ 485
Expense Ratio, Percent 9.02% [18]
Net Assets $ 1,137,776,540
Holdings Count | Holding 22
Investment Company Portfolio Turnover 0.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $1,137,776,540
Total number of portfolio holdings 22
Portfolio turnover rate 0%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
MPLX L.P. 12.32%
Energy Transfer L.P. 11.92%
Western Midstream Partners L.P. 10.42%
Enterprise Products Partners L.P. 9.89%
Targa Resources Corp. 9.29%
Plains All American Pipeline L.P. 7.28%
Hess Midstream L.P., Class A 5.28%
Sunoco L.P. 5.10%
ONEOK, Inc. 3.81%
Williams Cos., Inc. (The) 3.52%
* Excluding money market fund holdings, if any.
Sector allocation
(% of net assets)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
MPLX L.P. 12.32%
Energy Transfer L.P. 11.92%
Western Midstream Partners L.P. 10.42%
Enterprise Products Partners L.P. 9.89%
Targa Resources Corp. 9.29%
Plains All American Pipeline L.P. 7.28%
Hess Midstream L.P., Class A 5.28%
Sunoco L.P. 5.10%
ONEOK, Inc. 3.81%
Williams Cos., Inc. (The) 3.52%
* Excluding money market fund holdings, if any.
C000209581 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Income Fund
Class Name Class R6
Trading Symbol OSPMX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Income Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Income Fund
(Class R6)		 $509 9.44%
*
Annualized.
Expenses Paid, Amount $ 509
Expense Ratio, Percent 9.44% [19]
Net Assets $ 4,450,274,193
Holdings Count | Holding 29
Investment Company Portfolio Turnover 1.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $4,450,274,193
Total number of portfolio holdings 29
Portfolio turnover rate 1%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 15.29%
Enterprise Products Partners L.P. 14.99%
Energy Transfer L.P. 14.91%
MPLX L.P. 13.88%
Plains All American Pipeline L.P. 10.88%
Sunoco L.P. 8.54%
USA Compression Partners L.P. 5.66%
Antero Midstream Corp. 5.61%
NGL Energy Partners L.P. 4.77%
Kodiak Gas Services, Inc. 3.55%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 15.29%
Enterprise Products Partners L.P. 14.99%
Energy Transfer L.P. 14.91%
MPLX L.P. 13.88%
Plains All American Pipeline L.P. 10.88%
Sunoco L.P. 8.54%
USA Compression Partners L.P. 5.66%
Antero Midstream Corp. 5.61%
NGL Energy Partners L.P. 4.77%
Kodiak Gas Services, Inc. 3.55%
* Excluding money market fund holdings, if any.
C000209580 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Income Fund
Class Name Class R5
Trading Symbol SPMQX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Income Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Income Fund
(Class R5)		 $509 9.44%
*
Annualized.
Expenses Paid, Amount $ 509
Expense Ratio, Percent 9.44% [20]
Net Assets $ 4,450,274,193
Holdings Count | Holding 29
Investment Company Portfolio Turnover 1.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $4,450,274,193
Total number of portfolio holdings 29
Portfolio turnover rate 1%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 15.29%
Enterprise Products Partners L.P. 14.99%
Energy Transfer L.P. 14.91%
MPLX L.P. 13.88%
Plains All American Pipeline L.P. 10.88%
Sunoco L.P. 8.54%
USA Compression Partners L.P. 5.66%
Antero Midstream Corp. 5.61%
NGL Energy Partners L.P. 4.77%
Kodiak Gas Services, Inc. 3.55%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 15.29%
Enterprise Products Partners L.P. 14.99%
Energy Transfer L.P. 14.91%
MPLX L.P. 13.88%
Plains All American Pipeline L.P. 10.88%
Sunoco L.P. 8.54%
USA Compression Partners L.P. 5.66%
Antero Midstream Corp. 5.61%
NGL Energy Partners L.P. 4.77%
Kodiak Gas Services, Inc. 3.55%
* Excluding money market fund holdings, if any.
C000209579 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Income Fund
Class Name Class Y
Trading Symbol MLPZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Income Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Income Fund
(Class Y)		 $513 9.51%
*
Annualized.
Expenses Paid, Amount $ 513
Expense Ratio, Percent 9.51% [21]
Net Assets $ 4,450,274,193
Holdings Count | Holding 29
Investment Company Portfolio Turnover 1.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $4,450,274,193
Total number of portfolio holdings 29
Portfolio turnover rate 1%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 15.29%
Enterprise Products Partners L.P. 14.99%
Energy Transfer L.P. 14.91%
MPLX L.P. 13.88%
Plains All American Pipeline L.P. 10.88%
Sunoco L.P. 8.54%
USA Compression Partners L.P. 5.66%
Antero Midstream Corp. 5.61%
NGL Energy Partners L.P. 4.77%
Kodiak Gas Services, Inc. 3.55%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 15.29%
Enterprise Products Partners L.P. 14.99%
Energy Transfer L.P. 14.91%
MPLX L.P. 13.88%
Plains All American Pipeline L.P. 10.88%
Sunoco L.P. 8.54%
USA Compression Partners L.P. 5.66%
Antero Midstream Corp. 5.61%
NGL Energy Partners L.P. 4.77%
Kodiak Gas Services, Inc. 3.55%
* Excluding money market fund holdings, if any.
C000209578 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Income Fund
Class Name Class R
Trading Symbol SPNNX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Income Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Income Fund
(Class R)		 $539 10.01%
*
Annualized.
Expenses Paid, Amount $ 539
Expense Ratio, Percent 10.01% [22]
Net Assets $ 4,450,274,193
Holdings Count | Holding 29
Investment Company Portfolio Turnover 1.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $4,450,274,193
Total number of portfolio holdings 29
Portfolio turnover rate 1%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 15.29%
Enterprise Products Partners L.P. 14.99%
Energy Transfer L.P. 14.91%
MPLX L.P. 13.88%
Plains All American Pipeline L.P. 10.88%
Sunoco L.P. 8.54%
USA Compression Partners L.P. 5.66%
Antero Midstream Corp. 5.61%
NGL Energy Partners L.P. 4.77%
Kodiak Gas Services, Inc. 3.55%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 15.29%
Enterprise Products Partners L.P. 14.99%
Energy Transfer L.P. 14.91%
MPLX L.P. 13.88%
Plains All American Pipeline L.P. 10.88%
Sunoco L.P. 8.54%
USA Compression Partners L.P. 5.66%
Antero Midstream Corp. 5.61%
NGL Energy Partners L.P. 4.77%
Kodiak Gas Services, Inc. 3.55%
* Excluding money market fund holdings, if any.
C000209577 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Income Fund
Class Name Class C
Trading Symbol MLPRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Income Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Income Fund
(Class C)		 $565 10.51%
*
Annualized.
Expenses Paid, Amount $ 565
Expense Ratio, Percent 10.51% [23]
Net Assets $ 4,450,274,193
Holdings Count | Holding 29
Investment Company Portfolio Turnover 1.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $4,450,274,193
Total number of portfolio holdings 29
Portfolio turnover rate 1%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 15.29%
Enterprise Products Partners L.P. 14.99%
Energy Transfer L.P. 14.91%
MPLX L.P. 13.88%
Plains All American Pipeline L.P. 10.88%
Sunoco L.P. 8.54%
USA Compression Partners L.P. 5.66%
Antero Midstream Corp. 5.61%
NGL Energy Partners L.P. 4.77%
Kodiak Gas Services, Inc. 3.55%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 15.29%
Enterprise Products Partners L.P. 14.99%
Energy Transfer L.P. 14.91%
MPLX L.P. 13.88%
Plains All American Pipeline L.P. 10.88%
Sunoco L.P. 8.54%
USA Compression Partners L.P. 5.66%
Antero Midstream Corp. 5.61%
NGL Energy Partners L.P. 4.77%
Kodiak Gas Services, Inc. 3.55%
* Excluding money market fund holdings, if any.
C000209582 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Income Fund
Class Name Class A
Trading Symbol MLPDX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Income Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Income Fund
(Class A)		 $526 9.76%
*
Annualized.
Expenses Paid, Amount $ 526
Expense Ratio, Percent 9.76% [24]
Net Assets $ 4,450,274,193
Holdings Count | Holding 29
Investment Company Portfolio Turnover 1.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $4,450,274,193
Total number of portfolio holdings 29
Portfolio turnover rate 1%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 15.29%
Enterprise Products Partners L.P. 14.99%
Energy Transfer L.P. 14.91%
MPLX L.P. 13.88%
Plains All American Pipeline L.P. 10.88%
Sunoco L.P. 8.54%
USA Compression Partners L.P. 5.66%
Antero Midstream Corp. 5.61%
NGL Energy Partners L.P. 4.77%
Kodiak Gas Services, Inc. 3.55%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
Western Midstream Partners L.P. 15.29%
Enterprise Products Partners L.P. 14.99%
Energy Transfer L.P. 14.91%
MPLX L.P. 13.88%
Plains All American Pipeline L.P. 10.88%
Sunoco L.P. 8.54%
USA Compression Partners L.P. 5.66%
Antero Midstream Corp. 5.61%
NGL Energy Partners L.P. 4.77%
Kodiak Gas Services, Inc. 3.55%
* Excluding money market fund holdings, if any.
C000209588 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Alpha Plus Fund
Class Name Class A
Trading Symbol MLPLX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Alpha Plus Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Alpha Plus Fund
(Class A)		 $777 14.05%
*
Annualized.
Expenses Paid, Amount $ 777
Expense Ratio, Percent 14.05% [25]
Net Assets $ 328,348,387
Holdings Count | Holding 20
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $328,348,387
Total number of portfolio holdings 20
Portfolio turnover rate 6%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
MPLX L.P. 17.34%
Energy Transfer L.P. 16.94%
Western Midstream Partners L.P. 14.74%
Enterprise Products Partners L.P. 13.97%
Targa Resources Corp. 13.33%
Plains All American Pipeline L.P. 10.31%
Hess Midstream L.P., Class A 7.46%
Sunoco L.P. 7.20%
ONEOK, Inc. 5.32%
Williams Cos., Inc. (The) 5.07%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
MPLX L.P. 17.34%
Energy Transfer L.P. 16.94%
Western Midstream Partners L.P. 14.74%
Enterprise Products Partners L.P. 13.97%
Targa Resources Corp. 13.33%
Plains All American Pipeline L.P. 10.31%
Hess Midstream L.P., Class A 7.46%
Sunoco L.P. 7.20%
ONEOK, Inc. 5.32%
Williams Cos., Inc. (The) 5.07%
* Excluding money market fund holdings, if any.
C000209587 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Alpha Plus Fund
Class Name Class C
Trading Symbol MLPMX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Alpha Plus Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Alpha Plus Fund
(Class C)		 $817 14.80%
*
Annualized.
Expenses Paid, Amount $ 817
Expense Ratio, Percent 14.80% [26]
Net Assets $ 328,348,387
Holdings Count | Holding 20
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $328,348,387
Total number of portfolio holdings 20
Portfolio turnover rate 6%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
MPLX L.P. 17.34%
Energy Transfer L.P. 16.94%
Western Midstream Partners L.P. 14.74%
Enterprise Products Partners L.P. 13.97%
Targa Resources Corp. 13.33%
Plains All American Pipeline L.P. 10.31%
Hess Midstream L.P., Class A 7.46%
Sunoco L.P. 7.20%
ONEOK, Inc. 5.32%
Williams Cos., Inc. (The) 5.07%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
MPLX L.P. 17.34%
Energy Transfer L.P. 16.94%
Western Midstream Partners L.P. 14.74%
Enterprise Products Partners L.P. 13.97%
Targa Resources Corp. 13.33%
Plains All American Pipeline L.P. 10.31%
Hess Midstream L.P., Class A 7.46%
Sunoco L.P. 7.20%
ONEOK, Inc. 5.32%
Williams Cos., Inc. (The) 5.07%
* Excluding money market fund holdings, if any.
C000209586 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Alpha Plus Fund
Class Name Class R
Trading Symbol SPMJX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Alpha Plus Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Alpha Plus Fund
(Class R)		 $791 14.30%
*
Annualized.
Expenses Paid, Amount $ 791
Expense Ratio, Percent 14.30% [27]
Net Assets $ 328,348,387
Holdings Count | Holding 20
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $328,348,387
Total number of portfolio holdings 20
Portfolio turnover rate 6%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
MPLX L.P. 17.34%
Energy Transfer L.P. 16.94%
Western Midstream Partners L.P. 14.74%
Enterprise Products Partners L.P. 13.97%
Targa Resources Corp. 13.33%
Plains All American Pipeline L.P. 10.31%
Hess Midstream L.P., Class A 7.46%
Sunoco L.P. 7.20%
ONEOK, Inc. 5.32%
Williams Cos., Inc. (The) 5.07%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
MPLX L.P. 17.34%
Energy Transfer L.P. 16.94%
Western Midstream Partners L.P. 14.74%
Enterprise Products Partners L.P. 13.97%
Targa Resources Corp. 13.33%
Plains All American Pipeline L.P. 10.31%
Hess Midstream L.P., Class A 7.46%
Sunoco L.P. 7.20%
ONEOK, Inc. 5.32%
Williams Cos., Inc. (The) 5.07%
* Excluding money market fund holdings, if any.
C000209585 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Alpha Plus Fund
Class Name Class Y
Trading Symbol MLPNX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Alpha Plus Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Alpha Plus Fund
(Class Y)		 $764 13.80%
*
Annualized.
Expenses Paid, Amount $ 764
Expense Ratio, Percent 13.80% [28]
Net Assets $ 328,348,387
Holdings Count | Holding 20
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $328,348,387
Total number of portfolio holdings 20
Portfolio turnover rate 6%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
MPLX L.P. 17.34%
Energy Transfer L.P. 16.94%
Western Midstream Partners L.P. 14.74%
Enterprise Products Partners L.P. 13.97%
Targa Resources Corp. 13.33%
Plains All American Pipeline L.P. 10.31%
Hess Midstream L.P., Class A 7.46%
Sunoco L.P. 7.20%
ONEOK, Inc. 5.32%
Williams Cos., Inc. (The) 5.07%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
MPLX L.P. 17.34%
Energy Transfer L.P. 16.94%
Western Midstream Partners L.P. 14.74%
Enterprise Products Partners L.P. 13.97%
Targa Resources Corp. 13.33%
Plains All American Pipeline L.P. 10.31%
Hess Midstream L.P., Class A 7.46%
Sunoco L.P. 7.20%
ONEOK, Inc. 5.32%
Williams Cos., Inc. (The) 5.07%
* Excluding money market fund holdings, if any.
C000209584 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Alpha Plus Fund
Class Name Class R5
Trading Symbol SPMPX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Alpha Plus Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Alpha Plus Fund
(Class R5)		 $761 13.74%
*
Annualized.
Expenses Paid, Amount $ 761
Expense Ratio, Percent 13.74% [29]
Net Assets $ 328,348,387
Holdings Count | Holding 20
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $328,348,387
Total number of portfolio holdings 20
Portfolio turnover rate 6%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
MPLX L.P. 17.34%
Energy Transfer L.P. 16.94%
Western Midstream Partners L.P. 14.74%
Enterprise Products Partners L.P. 13.97%
Targa Resources Corp. 13.33%
Plains All American Pipeline L.P. 10.31%
Hess Midstream L.P., Class A 7.46%
Sunoco L.P. 7.20%
ONEOK, Inc. 5.32%
Williams Cos., Inc. (The) 5.07%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
MPLX L.P. 17.34%
Energy Transfer L.P. 16.94%
Western Midstream Partners L.P. 14.74%
Enterprise Products Partners L.P. 13.97%
Targa Resources Corp. 13.33%
Plains All American Pipeline L.P. 10.31%
Hess Midstream L.P., Class A 7.46%
Sunoco L.P. 7.20%
ONEOK, Inc. 5.32%
Williams Cos., Inc. (The) 5.07%
* Excluding money market fund holdings, if any.
C000209583 [Member]  
Shareholder Report [Line Items]  
Fund Name Invesco SteelPath MLP Alpha Plus Fund
Class Name Class R6
Trading Symbol OSPPX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Invesco SteelPath MLP Alpha Plus Fund (the “Fund”) for the period December 1, 2025 to May 31, 2026.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at invesco.com/reports. You can also request this information by contacting us at (800) 959-4246.
Additional Information Phone Number (800) 959-4246
Additional Information Website invesco.com/reports
Expenses [Text Block]
What Were The Fund Costs For The Last Six Months ?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage
of a $10,000 investment*
Invesco SteelPath MLP Alpha Plus Fund
(Class R6)		 $761 13.74%
*
Annualized.
Expenses Paid, Amount $ 761
Expense Ratio, Percent 13.74% [30]
Net Assets $ 328,348,387
Holdings Count | Holding 20
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
What Are Key Statistics About The Fund?
(as of May 31, 2026)
Fund net assets $328,348,387
Total number of portfolio holdings 20
Portfolio turnover rate 6%
Holdings [Text Block]
What Comprised The Fund's Holdings?
(as of May 31, 2026)
Top ten holdings*
(% of net assets)
MPLX L.P. 17.34%
Energy Transfer L.P. 16.94%
Western Midstream Partners L.P. 14.74%
Enterprise Products Partners L.P. 13.97%
Targa Resources Corp. 13.33%
Plains All American Pipeline L.P. 10.31%
Hess Midstream L.P., Class A 7.46%
Sunoco L.P. 7.20%
ONEOK, Inc. 5.32%
Williams Cos., Inc. (The) 5.07%
* Excluding money market fund holdings, if any.
Sector allocation
(% of total investments)
Graphical Representation - Allocation 1 Chart
Largest Holdings [Text Block]
Top ten holdings*
(% of net assets)
MPLX L.P. 17.34%
Energy Transfer L.P. 16.94%
Western Midstream Partners L.P. 14.74%
Enterprise Products Partners L.P. 13.97%
Targa Resources Corp. 13.33%
Plains All American Pipeline L.P. 10.31%
Hess Midstream L.P., Class A 7.46%
Sunoco L.P. 7.20%
ONEOK, Inc. 5.32%
Williams Cos., Inc. (The) 5.07%
* Excluding money market fund holdings, if any.
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