Organization - Additional Information (Detail) |
6 Months Ended | |
|---|---|---|
|
Jun. 30, 2026
CreationUnit
shares
|
Dec. 31, 2025
shares
|
|
| Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] | ||
| General shares, shares issued | 40 | 40 |
| Treasury obligation measurement maximum maturity period | 12 months | |
| Minimum number of Creation Units that can be purchased | CreationUnit | 1 | |
| Number of shares issued per Creation Unit | 50,000 | |
| Invesco Capital Management LLC [Member] | ||
| Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] | ||
| Purchase agreement transaction date | Feb. 23, 2015 |